Publications of R.-P. Kudritzki:

• Non-LTE-effects and Influence of Helium Abundance in AO Ia-supergiant-atmospheres
  Astron. Astrophys. 28, 103, 1973
• Non-LTE Model Atmospheres of Subluminous O-Stars
  Astron. Astrophys. 52, 11, 1976
• Redistribution Effects in Expanding Atmospheres: The Angle Averaged Redistribution Function in the Comoving Frame
  Astron. Astrophys. 54, 525, 1977 (with W. R. Hamann)
• On the Absolute Scale of Mass-loss in Red Giants. II. Circumstellar Absorption Lines in the Spectrum of Sco B and Mass-loss of Sco A
  Astron. Astrophys. 70, 227, 1978 (with D. Reimers)
• Non-LTE Analysis of Subluminous O-stars. The Hydrogen-deficient Subdwarf O-binary HD 49798
  Astron. Astrophys. 70, 653, 1978 (with K. P. Simon)
• Non-LTE Effects and Abundances in Atmospheres of Hot Stars
  Communications of 22nd International Liege Astrophysical Colloquium, 295, invited paper, 1979
• Spherical Extended Non-LTE Model Atmospheres of Low Gravity Subluminous O-stars
  Astron. Astrophys. 77, 341, 1979 (with J. Gruschinske)
• Non-LTE Analysis of the O3-star HD 93250
  Astron. Astrophys. 85, 174, 1980
• SB 21, an Extremely Helium-rich Subdwarf O-star
  Astron. Astrophys. 88, L4, 1980 (with K. Hunger)
• Studies of the Carina Nebula. III. The Spectral Energy Distribution of the Very Hot and Massive Star HD 93250
  Astron. Astrophys. 91, 360, 1980 (with P. S. The, H. R. E. Tjin A Djie, P. R. Wesselius)
• Non-LTE Analysis of Subluminous O-stars. IV. Spectral Photometry and NLTE Analysis of 11 Subluminous O-stars
  Astron. Astrophys. 95, 244, 1981 (with K. Hunger, J. Gruschinske, K. P. Simon)
• A Spectral Description and Non-LTE Analysis of 6 Central Stars of Planetary Nebulae
  Astron. Astrophys. 101, 323, 1981 (with R. H. Mendez, K. P. Simon, J. Gruschinske)
• The Helium Content of the Blue Star Associated with SN 1006
  Astron. Astrophys. 98, 211, 1981 (with K. P. Simon, K. Hunger)
• LB 3459 - an O-type Subdwarf Eclipsing System. Non-LTE Analysis of the primary component
  Astron. Astrophys. 106, 254, 1982 (with K. P. Simon, A. E. Lynas-Gray, D. Kilkenny, P. W. Hill)
• Mass Loss from O Subdwarfs
  Astron. Astrophys. 104, 249, 1981 (with W. R. Hamann, J. Gruschinske, K. P. Simon)
• Absorption Lines in the Visual Spectrum of the Continuous Central Stars of the Planetary Nebula NGC 3242
  Astron. Astrophys. 99, L15, 1981 (with R. H. Mendez, K. P. Simon)
• Spectral Analysis of Massive O-Stars
  Proc. of Workshop on ``Most Massive Stars'', invited paper, ESO, Munich, p. 45, Novermber 1981
• Spectral Analysis of the OB Subdwarf HD 149 382
  Astron. Astrophys. 108, 387, 1982 (with B. Baschek, M. Scholz, K. P. Simon)
• Non-LTE Analysis of Massive O-Stars: II. The O4-Star Zeta Puppis
  Astron. Astrophys. 118, 245, 1983 (with K. P. Simon, W. R. Hamann)
• Non-LTE Analysis of Subluminous O-Stars: V. The Binary System HD 128 220
  Astron. Astrophys. 121, 85, 1983 (with J. Gruschinske, W. R. Hamann, K. P. Simon, J. Kaufmann)
• Non-LTE Model Atmospheres of Central Stars
  invited paper, Proc. of IAU Symp. 103 on Planetary Nebulae, London, p. 343, 1982 (with R. H. Mendez, K. P. Simon)
• PS 74: The Discovery of a New SU UMa Type Dwarf Nova with High Orbital Inclination
  Astron. Astrophys. 114, L11, 1982 (with H. Barwig, K. Hunger, N. Vogt)
• Non-LTE Analysis of Massive O-stars. III. The O3-stars HD 93128, HD 93129A and HDE 303308
  Astron. Astrophys. 125, 34, 1983 (with K. P. Simon, G. Jonas, J. Rahe)
• Observational Evidence for Helium Production in Stars: The Helium Abundance of Hot Subluminous, Central Stars of Planetary Nebulae, Very Massive O-Stars and OBN-Stars
  Proc. ESO Workshop on Primordial Helium, Garching, p. 189-207, 1983, invited paper
• The Atmosphere of Subluminous B-Stars
  Astron. Astrophys. 130, 119, 1984 (with U. Heber, G. Jonas, K. Hunger)
• Mass-loss from the Central Star of NGC 3242
  Astron. Astrophys. 139, 459, 1984 (with W. R. Hamann, R. H. Mendez, S. Pottasch)
• Non-LTE Analysis of Subluminous O-stars: VI. Feige 110
  Astron. Astrophys. 136, 331, 1984 (with U. Heber, W. R. Hamann, K. Hunger, R. H. Mendez, K. P. Simon)
• Spectral Analysis of (Very) Hot Stars: Methods and Results
  invited paper, Proc. 4th European IUE Conference, Rome, ESA SP-218, p. 33, 1984
• Non-LTE model atmospheres of Hot Central Stars Close to the Eddington Limit. The Zanstra Discrepancy and the Occurence of an Emission Edge at 228 Angstroem; Astron. Astrophys. 134, 139, 1984
• SIT Vidicon and IDS Spectra of Central Stars of Planetary Nebulae
  Astron. Astrophys. 142, 289, 1985 (with R. H. Mendez, K. P. Simon)
• Quantitative Spectroscopy of Very Hot Stars
  invited paper, Proc. of ESO Workshop on ``Production and Distribution of C, N, O Elements'', Garching, p. 277, May 13-15, 1985
• Abundance Gradients in the Galactic Disk from Young B-Type Stars in Clusters: First Results
  Proc. of ESO Workshop on ``Production and Distribution of C, N, O Elements'', Garching, p. 171, May 13-15, invited paper, 1985 (with T. Gehren, K. Butler, P. E. Nissen)
• Intrinsic Parameters of Hot Blue Stars
  invited paper, Proc. IAU Symp. 116 ``Luminous Stars and Associations in Galaxies'', ed. de Loore, Willis, Laskarides, p. 3, invited paper, 1986 (with D. G. Hummer)
• A Radiation Driven Stellar Wind Model Atmosphere for the Wolf-Rayet Binary V444 Cygni
  Astron. Astrophys. 148, L1-L4, 1985 (with A. Pauldrach, J. Puls, D. G. Hummer)
• Photospheric Convection Zones and Evolution of Subluminous OB-Stars
  Astron. Astrophys. 152, 107, 1985 (with H. G. Groth, U. Heber)
• Radiation Driven Winds of Hot Luminous Stars. Improvements of the Theory and First Results
  Astron. Astrophys. 164, 86, 1986 (with A. Pauldrach, J. Puls)
• A Spectroscopic Study of HB-Stars in the Galactic Globular Cluster NGC 6752
  Astron. Astrophys. 162, 171, 1986, (with U. Heber, V. Caloi, V. Castellani, J. Danziger, R. Gilmozzi)
• Helium Rich Subdwarf O-Stars and Central Stars of Planetary Nebulae
  invited paper, Proc. of IAU Coll. 87 on ``Hydrogen-deficient stars and related objects'', ed. K. Hunger et al., p. 323, invited paper, 1986 (with R. H. Mendez, C. H. Miguel, U. Heber)
• NLTE-Analysis of the SdO Star ROB 162 in the Globular Cluster NGC 6397
  Astron. Astrophys. 169, 244, 1986 (with U. Heber)
• Radiation Driven Winds of Hot Luminous Stars
  (invited review paper), Proc. of 8th IUE Conf., ESA SP-263 p. 247, 1986 (with A. Pauldrach, J. Puls)
• Radiation Driven Winds of Hot Luminous Stars. II. Wind Models for O-stars in the Magellanic Clouds
  Astron. Astrophys. 173, 293, 1987 (with A. Pauldrach, J. Puls)
• Radiation Driven Winds of Hot Luminous Stars
  review paper in the NASA/CNRS Monograph Series on Nonthermal Phenomena in Stellar Atmospheres, Volume ``O, Of and Wolf-Rayet Stars'', eds. P. S. Conti and A. B. Underhill (with A. Pauldrach, J. Puls)
• High Resolution Spectroscopy of Central Stars of Planetary Nebulae. I. Basic Atmospheric Parameters and their Interpretation
  Astron. Astrophys. 190, 113, 1988 (with R. H. Mendez, A. Herrero, D. Husfeld, H. G. Groth)
• A Non-LTE Stellar Atmosphere Study of Nitrogen-Rich Early-Type Stars
  Astron. Astrophys. 197, 209, 1988 (with D. Schoenberner, A. Herrero, S. Becker, F. Eber, K. Butler, K. P. Simon)
• Spectroscopic Constraints on the Evolution of Subluminous O-stars and Central Stars of PN
  Proc. of IAU Coll. No. 95 ``Faint Blue Stars'', ed. Davis Philip, invited paper, p. 177, 1987
• Quantitative Spectroscopy of B-Supergiants in the LMC
  Proc. ESO Workshop on ``SN 1987A'', ed. I. J. Danziger, invited paper, p. 39, 1987 (with H. G. Groth, K. Butler, D. Husfeld, S. Becker, F. Eber, E. Fitzpatrick)
• Winds of Hot Stars as a Diagnostic Tool of Stellar Evolution
  Proc. IAU Coll. 108, ``Atmospheric Diagnostics of Stelllar Evolution'', ed. K. Nomoto, Lecture Notes in Physics, invited paper, p. 114 (with a. Pauldrach, J. Puls)
• Model Atmospheres and Quantitative Spectroscopy of Central Stars of Planetary Nebulae
  Proc. IAU Symposium 131, ``Planetary Nebulae'', ed. S. Torres-Peimbert, invited paper, in press (with R. H. Mendez)
• PHL 932: Another non-post-AGB Central Star of Planetary Nebula
  Astron. Astrophys. 197, L25, 1988 (with R. H. Mendez, H. G. Groth, D. Husfeld, A. Herrero)
• Unified NLTE Model Atmospheres Including Spherical Extension and Stellar Winds: Methods and First Results
  Astron. Astrophys., 226, 162, 1989 (with R. Gabler, A. Gabler, A. Pauldrach, J. Puls)
• Radiation Driven Winds of Hot Stars. V. Wind Models for Central Stars of Planetary Nebulae
  Astron. Astrophys., 207, 123, 1989 (with A. Pauldrach, J. Puls, R. H. Mendez, S. R. Heap)
• Radiation Driven Winds of Hot Stars. VI. Analytical Solutions Including the Finite Cone Angle Effect
  Astron. Astrophys., 219, 205, 1989 (with A. Pauldrach, J. Puls, Abbott, D.)
• Radiation Driven Winds of Central Stars of Planetary Nebulae
  Proc. Second Torino Workshop on Winds from Stars and Active Galactic Nuclei, eds. L. Bianchi and R. Gilmozzi, invited paper, p. 63, 1988
• Mass Loss in the Magellanic Clouds
  A Decade of UV Astronomy with IUE, Proc. Celebratory Symposium, GSFC, Greenbelt, USA, ESA SP-281, Vol. 2, p. 137, invited paper (with C. D. Garmany, D. Husfeld)
• Quantitative Spectroscopy of O-stars in the Magellanic Clouds. I. The Young Open Cluster NGC 346 in the SMC
  Astron. Astrophys., 236, 235, 1989 (with M. L., Cabanne, D. Husfeld, V. S. Niemela, H. G. Groth, J. Puls, A. Herrero)
• Model Atmospheres and Quantitative Spectroscopy of Luminous Blue Stars
  Proc. IAU Coll. 113 on ``Luminous Blue Variables'', ed. K. Davidson et al., invited paper, p. 67, 1989 (with A. Gabler, R. Gabler, H. G. Groth, A. Pauldrach, J. Puls)
• The Atmospheres of Hot Stars: Modern Theory and Observation
  Proc. 18th Advanced Course, Swiss Society of Astronomy and Astrophysics, ed. I. Chmielewski, T. Lanz, Saas Fee, p. 3 to 192, invited review, 1989
• Radiation driven winds of hot luminous stars. VII. The evolution of massive stars and the morphology of stellar wind spectra
  Astron. Astrophys., 228, 125, 1990 (with A. W. A. Pauldrach, J. Puls, K. Butler)
• Hot Stars - What Can Be Learned From EUV Spectroscopy?
  invited paper proc. of the First Berkeley Colloquium on ``Extreme Ultraviolet Astronomy'', eds. R. F. Malina and S. Bowyer, p. 130, 1991 (with J. Puls, R. Gabler, J. H. M. M. Schmitt)
• Spectroscopic Constraints on the Evolution of Massive Stars
  Proc. of ``Frontiers of Stellar Evolution'', Symposium in Celebration of the 50th anniversary of Mc Donald Observatory, ed. D.L. Lambert, p. 97 - 115, invited paper, 1991
• Quantitative Spectroscopy of Hot Stars
  Annual Review of Astronomy and Astrophysics, Volume 28, 303, 1990 (with D.G. Hummer)
• Observations of Massive OB-Stars
  Proc. of ``Properties of Hot Luminous Stars'', Boulder-Munich Workshop Astronomical Society of the Pacific Conference Series, Vol. 7, ed. C.D. Garmany, page 50, invited paper, 1990 (with A. Herrero, J.M. Vilchez)
• Unified NLTE Model Atmospheres Including Spherical Extension and Stellar Winds
  Proc. of ``Properties of Hot Luminous Stars'', Boulder-Munich Workshop Astronomical Society of the Pacific Conference Series, Vol. 7, ed. C.D. Garmany, p. 64, invited paper, 1990 (with R. Gabler, A. Gabler, J. Puls, A. Pauldrach)
• Quantitative Analysis of A-type Supergiants in the Magellanic Clouds
  Proc. of ``Properties of Hot Luminous Stars'', Boulder-Munich Workshop Astronomical Society of the Pacific Conference Series, Vol. 7, ed. C.D. Garmany, p. 151, invited paper, 1990 (with H.G. Groth, K. Butler, S. Becker, R.M. Humphreys)
• On the use of H and He II 4686 as Mass-Loss and Luminosity Inicators for a Hot Stars
  Proc. of ``Properties of Hot Luminous Stars'', Boulder-Munich Workshop Astronomical Society of the Pacific Conference Series, Vol. 7, ed. C.D. Garmany, p. 218, invited paper, 1990 (with A. Gabler, R. Gabler, A. Pauldrach, J. Puls)
• Element Abundances in B-Stars in the Galaxy, the LMC and the SMC
  Proc. of ``Properties of Hot Luminous Stars'', Boulder-Munich Workshop Astronomical Society of the Pacific Conference Series, Vol. 7, ed. C.D. Garmany, p. 315, 1990 (with D.J. Lennon, S.R. Becker, F. Eber, K. Butler, H.G. Groth)
• Model Atmospheres of Massive Hot Stars
  Proc. of STScI Workshop on ``Starburst Galaxies'', ed. C. Leitherer et al. invited paper, STScI Symp. series No. 5, p. 59, 1991 (with R. Gabler, D. Kunze, A.W.A. Pauldrach, J. Puls)
• Winds of Hot Stars in the Magellanic Clouds
  Proc. IAU Symp. 148, ed. R. Haynes, invited paper, p. 279 (with A.W.A. Pauldrach, J. Puls, S. Voels)
• Evolutionary Versus Dynamical Time Scales for the Evolution of the Central Stars of Planetary Nebulae
  The Astrophysical Journal 351, 230, 1990 (with J.K. Mc Carthy, J.R. Mould, R.H. Mendez, D. Husfeld, A. Herrero, H.G. Groth)
• Unified NLTE model atmospheres including spherical extension and stellar winds: II. EUV-fluxes and the HeII-Zanstra discrepancy in Centeral Stars of Planetary Nebulae
  Astron. Astrophys., 245, 587, 1991 (with R. Gabler, R.H. Mendez)
• The anomaleous A-type supergiants in the Magellanic Clouds - Evidence for post-red-supergiants evolution
  Astron. Astrophys., 245, 593, 1991 (with R.H. Humphreys, H.-G. Groth)
• On Central Star luminosities and optical thickness in Planetary Nebulae
  Astron. Astrophys., 260, 329, 1992 (with R.H. Mendez, A. Herrero)
• On the width of emission lines in spectra of WC 9 stars of different kinds
  Astron. Astrophys., 252, 265, 1991 (with R.H. Mendez, A. Herrero, A. Manchado)
• Quantitative spectroscopy of B-supergiants in the Galaxy, the LMC and the SMC: I. The B 0.5 Ia supergiants Kappa Orionis, Sk-68 41 and Sk 159)
  Astron. Astrophys. 252, 498, 1991 (with D.J.Lennon, S.R. Becker, K. Butler, F. Eber, H.G. Groth)
• Radiation driven winds of hot luminous stars X. The determination of stellar masses and distances from terminal velocities and mass-loss rates
  Astron. Astrophys., 257, 655, 1992 (with D.G. Hummer, A.W.A. Pauldrach, J. Puls, F. Najarro, J. Imhoff)
• First results from the Goddard High Resolution Spectrograph: Spectroscopic determination of stellar parameters of Melnick 42, an O3f-star in the Magellanic Cloud
  Astrophys. J. Letters, 377, L 29, 1991 (with S.R Heap, B. Altner, D. Ebberts, I. Hubeny, J. B. Hutchings, S.A. Voels, S. Haser, A. Pauldrach, J. Puls, K. Butler)
• The formation of weak metal lines in the atmospheres of O-Stars. The role of microturbulence and transsonic matter outflow
  Astron. Astrophys., 266, 395, 1992
• Intrinsic parameters of galactic luminous OB stars Astron. Astophys. 261, 209, 1992 (with A. Herrero, J.M. Vilchez, D, Kunze, K. Butler, S. Haser)
• Unified NLTE model atmospheres including spherical extension and stellar winds: EUV-fluxes and the HeII Zanstra discrepancy in Central stars of Planetary Nebulae
  in ``Stellar Atmospheres beyond Classical Models'' eds. L. Crivellari et al., NATO ASI series, Vol. 341, p. 143, invited paper, 1991 (with R. Gabler, R.H. Mendez)
• NLTE analysis of massive OB stars
  in ``Stellar Atmospheres beyond Classical Models'', eds. L. Crivellari et al., NATO ASI series, Vol. 341, p. 409, invited paper, 1991 (with R. Gabler, R.H. Mendez)
• Model Atmospheres of Central Stars of PN
  Proc. IAU Symp. 155 on ``Planetary Nebulae'', eds. A. Acker and R. Weinberger, p. 47, invited paper, 1992 (with R. H. Mendez)
• Hot Stars and the Hubble Space Telescope
  Proc. of STScI/ESO-ST/ECF conference on ``Science with the HST'', Baia Chia, Sardinia, ed. P. Benvenuti, invited paper, in press, 1992 (with D. J. Lennon, S.R. Becker, K. Butler, R. Gabler, S. Haser, D.G. Hummer, A.W.A. Pauldrach, J. Puls, S. Voels, N.R. Walborn, S.R. Heap, B. Bohannan, P. Conti, S.D. Garmany, D. Baade)
• Unified NLTE model atmospheres including spherical extension and stellar winds: III. The ionization of extragalactic H II regions
  Astron. Astrophys., 265, 656, 1992 (with R.H. Mendez, R. Gabler, A. Gabler)
• Unified NLTE model atmospheres including spherical extension and stellar winds: IV. Improved line transfer and wind contamination of H, He profiles
  Astron. Astrophys., 273, 533, 1993 (with F. Sellmaier, J. Puls, A. Gabler, R. Gabler, S. A. Voels)
• The 0.1-2.5 keV X-ray spectrum of the 04f star Zeta Puppis
  Astron. Astrophys., 276, 117, 1993 (with D.J. Hillier, A.W.A. Pauldrach, D. Bade, J.P. Cassinelli, J. Puls, J.H.M.M. Schmitt)
• The bright end of the planetary nebula luminosity function
  Astron. Astrophys., 275, 534, 1993 (with R.H. Mendez, R. Ciardullo, G.H. Jacoby)
• Radiation driven winds of hot stars - some remarks on stationary models and spectrum synthesis in time dependent simulations
  Reviews of Modern Astronomy, Vol. 6, p. 271, invited paper, 1994 (with J. Puls, A. Pauldrach, S.P. Owocki, F. Najarro)
• The X-ray emission of O-stars
  Proc. G.S. Vaiana Memorial Symposium ``Advances in Stellar and Solar Coronal Physics'', eds. J. Linski and S. Serio, p. 563, invited paper, 1994 (with D.J. Hillier)
• Radiation driven winds of hot luminous stars XII. A first step towards detailed UV line diagnostics of O-stars
  Astron. Astrophys., 283, 525, 1994 (with A. Pauldrach, J. Puls, K. Butler, J. Hunsinger)
• The nature of the brightest Galactic Center HeI emission line star
  Astron. Astrophys., 285, 573, 1994 (with P. Najarro, D.J. Hillier, A. Krabbe, R. Genzel, D. Lutz, S. Drapatz, T.R. Geballe)
• Spectroscopic observations of AB-supergiants in M31 and M33
  Astron. Astrophys., 287, 885, 1994 (with A. Herrero, D.J. Lennon, J.M Vilchez, R.H. Humphreys)
• Quantitative spectroscopy of luminous blue stars in distant galaxies
  Proc. ESO Workshop ``Science with the VLT'', Eds. J.R. Walsh and I.J. Danziger, invited paper, p.246 to 255, 1995 (with D.J. Lennon, J. Puls)
• The physics of massive stars in different parent galaxies. I. Ultraviolet and optical spectral morphology in the Magellanic Clouds
  P.A.S.P., 107, 104, 1995 (with N.R. Walborn, D.J. Lennon, S. Haser, S.A. Voels)
• Fundamental parameters of galactic luminous OB stars. II. A spectroscopic analysis of HDE 226868 and the mass of Cygnus X-1
  Astron.Astrophys., 297, 556, 1995 (with A.Herrero, R. Gabler, J.M. Vilchez, A. Gabler)
• Ultraviolet and optical spectroscopy of a B supergiant star in M 31
  Astron.Astrophys., 292, 213, 1994 (with L. Bianchi, H.G.L.M. Lamers, J.B. Hutchings, P. Massey, A. Herrero, D.J. Lennon)
• The stellar wind of an O8.5(f) star in M31. A determination of mass loss rate and metallicity
  Astron.Astrophys. 295, 136, 1995 (with S.M. Haser, D.J. Lennon, J. Puls, A.W.A. Pauldrach, L. Bianchi, J.B. Hutchings)
• Stellar winds and the EUV continuum excess of early B-giants
  Astron.Astrophys. 306, 892, 1996 (with F. Najarro, J.P. Cassinelli, O. Stahl, D.J. Hillier)
• Correlated variability in the X-ray and H-alpha emission from the O4If supergiant Zeta Puppis
  Astron.Astrophys. 306, 899, 1996 (with T. Berghoefer, D. Baade, J.H.M.M. Schmitt, Puls,J., Hillier, D.J., Pauldrach,A.W.A.)
• Planetary nebulae and H II regions in NGC 300
  Astron.Astrophys. 306, 9, 1996 (with R.H. Mendez, T. Soffner, G.H. Jacoby, R. Ciardullo, M.M. Roth)
• Coronal gas in the galactic halo: ORFEUS and HST observations of NGC 346 No.1 and PKS 2155-304
  Astrophys. J., 450, 149, 1995 (with M. Hurwitz, S. Bowyer, D.J. Lennon)
• A reconnaissance of the 900-1200 A spectra of early O-stars in the Magellanic Clouds
  Astrophys. J. Letters, 454, L27, 1996 (with D.J. Lennon, K. Long, N.R. Walborn)
• Stellar abundances and winds of A-type supergiant stars in M 33: First results from the Keck HIRES spectrograph
  Astrophys. J. 455, L135, 1995 (with J. McCarthy, D.J. Lennon, K. Venn, J. Puls, F. Najarro)
• O-star mass-loss and wind momentum rates in the Galaxy and the Magellanic Clouds. Observations and theoretical predictions
  Astron.Astrophys. 305, 171, 1996 (with J. Puls, D.J. Lennon, A. Herrero, A. Pauldrach, S.M. Haser, R. Gabler, S.A. Voels, S. Wachter, A.Feldmeier)
• The nuclear cluster of the Milkey Way: Star formation and velocity dispersion in the central 0.5 parsec
  Astrophys. J. Letters 447, L95, 1995 ( with A. Krabbe, R. Genzel, A. Eckardt, F. Najarro, D. Lutz, M. Cameron, H. Kroker, L.E. Tacconi-Garman, N. Thatte, L. Weitzel, S. Drapatz, T. Geballe, A. Sternberg )
• Spectroscopic observations of AB supergiants in M33
  Astron.Astrophys., Astron.Astrophys. 312, 24, 1996 ( with M.I. Monteverde, A. Herrero, D.J. Lennon )
• The X-ray emission from shock cooling zones in O-star winds
  Astron.Astrophys. 320, 899, 1997 (with A. Feldmeier, R. Palsa, A.W.A. Pauldrach, J. Puls)
• The kinematics of the Plantary Nebulae in the outer region of NGC 4406
  Astrophys. J., Astrophys. J. 472, 145, 1996 ( with M. Arnaboldi, K.C. Freeman, R.H. Mendez, R. Ciardullo, H. Ford, O. Gerhard, X. Hui, G.H. Jacoby, P.J. Quinn )
• Hot luminous stars in nearby galaxies
  Science with the Hubble Space Telescope, Space Telescope Science Institute, eds. P. Benvenuti et al., pages 285 - 296, 1996, invited paper ( with D.J. Lennon, S.M. Haser, J. Puls, A.W.A. Pauldrach, K. Venn, S.A. Voels)
• Spectral Diagnostics of Luminous Blue Supergiants
  33 rd Liege International Colloquium `WR stars in the Framework of Stellar Evolution'', eds. J.M. Vreux et al., 1996, pages 467 - 488, invited paper
• The ISO-SWS spectrum of P Cygni
  Astron.Astrophys. Letters 315, L229, 1996 (with H. Lamers, J. Najarro, P.W. Morris, R.H.M. Voors, J.I. van Gent, L. Waters, Th. de Graauw, D. Beintema, E.A. Valentijn, D.J. Hillier)
• The ISO-SWS spectra of Luminous Blue Variables
  Astron.Astrophys. Letters 315, L225, 1996 (with H. Lamers, P. W. Morris, R. H.M. Voors, J.I. van Gent, L. Waters, Th. de Graauw, F. Najarro, A. Salama, A.M. Heras)
• A determination of the metallicity gradient in M33 from B-supergiants
  Astrophys. J. Letters 474, L107, 1997 (with M.I. Monteverde, A. Herrero, D.J. Lennon)
• Winds in the atmospheres of Central Stars of Planetary Nebulae
  Proc. IAU Symp. 180, eds. H. Lamers et al., 1997, invited paper,
  Kluwer Academic Publishers, p. 64 -73 (with R.H. Mendez, J. Puls, J.K. McCarthy)
• Quantitative Spectroscopy of the HeI Cluster in the Galactic Center
  Astron.Astrophys. 325, 700 - 708, 1997 (with F. Najarro, D.J. Hillier, R. Genzel, A. Krabbe, D. Lutz)
• Quantitative analysis of the FUV, UV and optical spectrum of the O3 star HD 93129A
  Astron.Astrophys. 321, 531 - 548, 1997
  (with G. Taresch, M. Hurwitz, S. Bowyer, A.W.A. Pauldrach, J. Puls, K. Butler, D.J. Lennon, S.M. Haser)
• Mass-Loss Rates and Stellar Wind Momenta of A-Supergiants in M31:
  First Results from the Keck HIRES Spectrograph
  1997, Astrophys. J. 482, 757
  (with J.K. McCarthy, D.J. Lennon, K.A. Venn, J. Puls)
• Quantitative Spectroscopy of the Brightest Blue Supergiant Stars in Galaxies
  in "Stellar Astrophysics for the Local Group", VIII Canary Island Winter School for Astrophysics, eds. A. Aparicio et al., Cambridge University Press, 1998, p. 149 - 262, invited lectures
• The effect of rotation on the absolute visual magnitudes of OB stars measured with Hipparcos
  1997, Astron. Astrophys. Letters 325, L25
  (with H.J.G.L.M. Lamers, J.M.A.G. Harzevoort, H. Schrijver, R. Hoogerwerf)
• Quantitative UV spectroscopy of early O stars in the Magellanic Clouds. The determination of stellar metallicities
  1998, Astron. Astrophys. 330, 285
  (with S.M. Haser, A. Pauldrach, D.J. Lennon, M. Lennon, J. Puls, S.A. Voels)
• Stellar wind momentum in galaxies and a new parametrization of the radiative line force
  Proc. of 2nd Boulder-Munich Workshop on Hot Stars, ed. Ian Howarth, invited paper, ASP Conference Series 131, p. 299-309
  (with U. Springmann, J.Puls, A. Pauldrach, M.Lennon)
• Stars and Galactic Stellar Populations
  1998, Proc. ``Science with the NGST'', eds. E.P. Smith and A. Koratkar, invited paper, ASP Conference Series 133, p. 143-150
  (with J. Liebert and F. Najarro)
• More evidence for an intracluster planetary nebulae population in the Virgo cluster
  1997, Astrophys. J. Letters 491, L23
  (with R.H. Mendez, M.A. Guerrero, K.C. Freeman, M. Arnaboldi, U. Hopp, M. Capaccioli, H. Ford)
• Quantitative IR Spectrsocopy of Hot Stars Observed by ISO
  Proc. of 2nd Boulder-Munich Workshop on Hot Stars, ed. Ian Howarth, ASP Conference Series 131, p. 57-66, 1998, invited Review
  (with F. Najarro, D.J. Hillier, H.J.G.L.M. Lamers, R.H.M. Voors, P.W. Morris, L.B.F.M. Waters)
  
• A-Supergiant Abundances in Local Group Galaxies
  Proc. of 2nd Boulder-Munich Workshop on Hot Stars, ed. Ian Howarth, ASP Conference Series 131, p. 177-187, 1998, invited Review
  (with K.A. Venn, J.K. McCarthy, D.J. Lennon)
  
• Studies of Blue Supergiants in M31 and M33 with HIRES on the Keck I Telescope
  Proc. of 2nd Boulder-Munich Workshop on Hot Stars, ed. Ian Howarth, ASP Conference Series 131, p. 197-207, 1998, invited Review
  (with J.K. McCarthy, K.A. Venn, D.J. Lennon, J. Puls)
  
• Realistic Models for Expanding Atmospheres
  Proc. of 2nd Boulder-Munich Workshop on Hot Stars, ed. Ian Howarth, ASP Conference Series 131, p. 258-277, 1998, invited Review
  (with A. Pauldrach, M. Lennon, T. Hoffmann, F. Sellmaier, J. Puls)
• Spectral Diagonostics of Blue Star Winds
  Proc. of 2nd Boulder-Munich Workshop on Hot Stars, ed. Ian Howarth, ASP Conference Series 131, p. 245-257, 1998, invited Review
  (with J. Puls, A.E. Santolaya-Rey, A. Herrero, S.P. Owocki, J.K. McCarthy)
  
• Winds and mass-loss of hot stars
  2000, in ``Unsolved Problems of Stellar Evolution'', ed. M. Livio, Space Telescope Science Institute Symposium Series No. 12, invited paper, page 202 to 226
  
• The Wind Momentum -- Luminosity Relationship of blue supergiants
  1999, Proc. IAU Coll. No. 169, Heidelberg, Springer-Verlag, ed. O. Stahl et al., p. 405 (invited paper)
  
• The stellar dynamics and mass of NGC 1316 using the radial velocities of Planetary Nebulae
  1998, Astrophys. J. 507, 759
  (with M. Arnaboldi, K.C. Freeman, O. Gerhard, M. Matthias, R.H. Mendez, M. Capaccioli, H. Ford)
  
• Blue Supergiants: Starway to Virgo and Fornax
  2000, in``From Extrasolar Planets to Cosmology: The VLT Opening Symposium'', ESO Astrophysics Symposia, ed. J. Bergeron and A. Renzini, invited paper, 236 - 241
  
• The Wind Momentum - Luminosity Relationship of galactic A- and B-supergiants
  1999, Astron. Astrophys. 350, 970
  (with J. Puls, D.J. Lennon, K.A. Venn, J. Reetz, J.K. McCarthy, A. Herrero)
  
• Non-LTE line formation for neutral oxygen. Model atom and first results for A-stars
  2000, Astron. Astrophys., 359, 1085-1106
  (with N. Przybilla, K. Butler, S.R. Becker, K.A. Venn)
  
• VLT FORS spectra of blue supergiants in the Local Group galaxy NGC 6822
  1999, Astron. Astrophys. 352, L40
  (with B. Muschielok, F. Bresolin, K. Butler, D.J. Lennon, S. Smartt and the FORS Team)
  
• Wind models and ionizing fluxes of massive stars at very low metallicity
  in, Proc. ``The First Stars'', ESO Astrophysics Symposia, ed. A. Weiss et al., invited paper, page 127 to 133
  
• Discovery of 9 Lyman alpha emitters at redshift z = 3.1 using narrow-band imaging and VLT spectroscopy
  2000, Astrophys. J. 536, 19-30
  (with R.H. Mendez, J.J. Feldmeier, R. Ciardullo, G.H. Jacoby, K.C. Freeman, M.Arnaboldi, M. Capaccioli, O. Gerhard, H.C. Ford)
  
• Winds from hot stars
  2000, Annual Review of Astronomy and Astrophysics, Vol. 38, 613 - 665
  (with J. Puls)
  
• Analysis of Four A - F Supergiants in M31 from Keck HIRES Spectroscopy
  2000, Astrophys. J. 541, 610
  (with K.A. Venn, J.K. McCarthy, D.J. Lennon, N. Przybilla, M. Lemke)
  
• First Stellar Abundances in NGC 6822 from VLT-UVES and Keck-HIRES spectroscopy
  2001, Astrophysical Journal, 547, 765
  (with K.A. Venn, D.J. Lennon, A. Kaufer, J.K. McCarthy, N. Przybilla, M. Lemke, E.D. Skillman, S.J. Smartt)
  
• An Analysis of HST UV Spectra of Cyg OB2 stars
  2001, Astron. Astrophys. 336, 623
  (with A. Herrero, J. Puls, L. Corall)
  
• Chemical abundances and winds of massive stars in M31: a B-supergiant and a WC star in OB 10
  2001, Mon. Not. R. Astron. Soc., 325, 257
  (with S.J. Smartt, P.A. Crowther, P.L. Dufton, D.J. Lennon, A. Herrero, J.K. McCarthy, F. Bresolin)
  
• Generic Spectrum and Ionization Efficiency of a Heavy Initial Mass Function for the First Stars
  2001, Astrophysical Journal, 552, 464
  (with V. Bromm and A. Loeb)
  
• Non-LTE line formation for Mg I/II: abundances and stellar parameters. Model atom and first results on A-type stars
  2001, Astron. Astrophys., 369, 1009
  (with N. Przybilla, K. Butler and S.R. Becker)
• An Ionizing UV Background Dominated by Massive Stars
  2001, Astrophysical Journal Letters, 549, L151
  (with M.G. Haehnelt, P. Madau, F. Haardt)
  
• Stellar Spectroscopy far beyond the Local Group
  2001, Astrophysical Journal Letters, 548, L159
  (with F. Bresolin, R.H. Mendez, N. Przybilla)
  
• Non-LTE line formation for Neutral and Singly-ionized Carbon in BA-type stars
  2001, Astron.Astrophys., 379, 936
  (with N. Przybilla, K. Butler)
  
• Gravitationally lensed high redshift galaxies in the field of 1E0657-56
  2001, Astron.Astrophys., 379, 96
  (with D. Mehlert, S. Seitz, I. Appenzeller, R. Bender, K.J. Fricke, T.L. Hoffmann, U. Hopp, A.W.A. Pauldrach)
  
• Detection, photometry and slitless radial velocities of 535 planetary nebulae in the flattened elliptical galaxy NGC 4697
  2001, Astrophysical Journal, 563, 135
  (with R.H. Mendez, A. Riffeser, M. Matthias, K. C. Freeman, M. Arnaboldi, M. Capaccioli, O. Gerhard)
  
• Intercluster Planetary Nebulae in Virgo: Photometric selection, spectroscopic validation and cluster depth
  2002, Astronomical Journal, 123, 760-771
  (with M. Arnaboldi, J.A.L. Aguerri, N. Napolitano, O. Gerhard, K. C. Freeman, J. Feldmeier, M. Capaccioli, R.H. Mendez)
  
• Spectroscopy of blue supergiants in the spiral galaxy NGC 300
  2002, Astrophysical Journal, 567, 227
  (with F. Bresolin, W. Gieren, G. Pietrzynski, N. Przybilla)
  
• Probing the Intracluster star-light with Chandra
  2002, Astron. Astrophys. Letters, 387, L10
  (with A. Finoguenov, C. Jones)
  
• An analysis of STIS HST UV spectra of M33 early B supergiants
  2002, Astron. Astrophys., 386, 1019-1027
  (with M.A. Urbaneja, A. Herrero, F. Bresolin, L.J. Corral, J. Puls)
  
• STIS UV spectroscopy of early B supergiants in M31
  2002, Astrophys. Journal, 580, 213
  (with F.Bresolin, D.J. Lennon, S.J. Smartt, A. Herrero, M.A. Urbaneja, J. Puls)
  
• The evolutionary status of Sher25 and its nebula - evidence for ejection during the blue supergiant phase
  2002, Astron. Astrophys., 391, 979-901
  (with S.J. Smartt, D.J. Lennon, F. Rosales, R.S.I. Ryans, N. Wright)
• Line-driven winds, ionizing fluxes and UV-spectra of hot stars at extremely low metallicity. I. Very massive O-stars
  2002, Astrophys. Journal, 577, 389-408
  (single author paper)
• Discovery and Quantitative Spectral Analysis of an Ofpe/WN9 (WN11) Star in the Sculptor Spiral Galaxy NGC 300
  2002, Astrophys. Journal Letters, 577, L83
  (with F. Bresolin, F. Najarro, W. Gieren, G. Pietrzynski)
• Zero-metallicity stars II. Evolution of very massive objects with mass-loss
  2003, Astron. Astrophys., 399, 617
  (with P. Marigo, C. Chiosi)
• A new extragalactic distance determination method using the flux-weighted gravity of late B and early A supergiants
  2003, Astrophys. Journal Letters, 582, L83
  (First author paper with F. Bresolin, N. Przybilla)
• Blue Supergiants as a Tool for Extragalactic Distances - Theoretical Concepts
  2003, Proc. "Stellar Candles for the Extragalactic Distance Scale", Lecture Notes in Physics, editors D. Alloin and W. Gieren, invited review, p. 123
  (with N. Przybilla)
• Line driven winds, ionizing fluxes and UV-spectra of hot stars at extremely low metallicity
  2003, Proc. IAU Symp. 212: A Massive Star Odyssee - From Main Sequence to Supernova, 325-333
  (single author paper)
• Quantitative Spectral Analysis of Early B-Type Supergiants in the Sculptor Galaxy NGC 300
  2003, Astrophys. Journal, Letters, 584, L73
  (with M.A. Urbaneja, A. Herrero, F. Bresolin, W. Gieren, J. Puls)
  
• Stellar Winds of Hot Massive Stars Nearby and Beyond the Local Group
  2004, Carnegie Observatories Astrophysics Series, Vol. 4: "Origin and Evolution of the Elements", ed. A. McWilliam and M. Rauch (Cambridge: Cambridge Univ. Press), invited review, p. 286
  (with F. Bresolin)
• Stellar abundances in dwarf irregular galaxies
  2004, Carnegie Observatories Astrophysics Series, Vol. 4: "Origin and Evolution of the Elements", ed. A. McWilliam and M. Rauch (Cambridge: Cambridge Univ. Press), invited review, p. 58
  (with K.A. Venn, E. Tolstoy, A. Kaufer)
• Non-LTE Revisited
  2004, Carnegie Observatories Astrophysics Series, Vol. 4: "Origin and Evolution of the Elements", ed. A. McWilliam and M. Rauch (Cambridge: Cambridge Univ. Press), invited review, p. 48
  (with N. Przybilla, K. Butler, S. Becker)
• On the photometric variability of blue supergiants in NGC 300 and its impact on the Flux-weighted Gravity - Luminosity relationship
  2004, Astrophys. Journal, 600, 128
  (with F. Bresolin, G. Pietrzynski, W. Gieren, N. Przybilla, P. Fouquet)
  
• The chemical composition of two supergiants in the dwarf irregular galaxy WLM
  2003, Astronomical Journal, 126, 1326
  (with K.A. Venn, E. Tolstoy, A. Kaufer, E.D. Skillman, S.M. Clarkson, S.J. Smartt, D.J. Lennon)
  
• First stellar abundances in the Dwarf Irregular Galaxy Sextans A
  2004, Astronomical Journal, 127, 2723
  (with A. Kaufer, K.A. Venn, E. Tolstoy, C. Pinte)
  
• The massive binary companion star to the progenitor of supernova 1993j
  2004, Nature, 427, 129
  (with J.R. Maund, S.J. Smartt, P. Podsiadlowski, G.F. Gilmore)
  
• The physical properties and effective temperature scale of O-type stars as a function of metallicity. I. A sample of 20 stars in the Magellanic Clouds
  2004, Astrophysical Journal, 608, 1001
  (with P. Massey, F. Bresolin, J. Puls, A.W.A. Pauldrach)
  
• Spectral modelling of star forming regions in the ultraviolet: Stellar metallicity diagnostics for high redshift galaxies
  2004, Astrophysical Journal, 615, 98
  (with S. Rix, M. Pettini, C. Leitherer, F. Bresolin, C.C. Steidel)
• The Araucaria Project. An improved distance to the Sculptor spiral galaxy NGC 300 from its Cepheid variables
  2004, Astronomical Journal, 128, 1167
  (with W. Gieren, G. Pietrzynski, A. Walker, F. Bresolin, D. Minniti, A. Udalski, I. Soszynski, P. Fouque, J. Storm)
• The double-lined spectrum of LBV 1806-20
  2004, Astrophysical Journal Letters, 610, L109
  (with D. Figer, F. Najarro)
• Metallicity in the Galactic Center. I. The Arches Cluster
  2004, Astrophysical Journal Letters, 611, L105
  (with F. Najarro, D. Figer, J.D. Hillier)
• On the alpha-element abundance gradient in the disk of the Sculptur spiral galaxy NGC 300
  2005, Astrophysical Journal, 622, 862
  (with M. Urbaneja, A. Herrero, F. Bresolin, W. Gieren, J. Puls, N. Przybilla, F. Najarro, G. Pietrzynski)
• The Araucaria Project. The Distance to the Local Group Galaxy NGC 6822 from Cepheid Variables discovered in a Wide-Field Imaging Survey
  2004, Astronomical Journal, 128, 2815
  (with G. Pietrzynski, W. Gieren, A. Udalski, F. Bresolin, I. Soszynski, M. Szymanski, M. Kubiak)
• The VLT-FLAMES Survey of Massive Stars: Observations in the Galactic Clusters NGC 3293, NGC 4755 and NGC 661
  2005, Astron. Astrophys , 437, 467
  (with C.J. Evans, S.J. Smartt, J.K. Lee, A. Kaufer, D.J. Lennon, P.L. Dufton, C. Trundle, A. Herrero, S. Simon-Diaz, F. Bresolin, A. de Koter, W.R. Hamann, M.A. Hendry, I.K. Hunter, M.J. Irwin, A.J. Korn, N. Langer, M.R. Mokiem, F. Najarro, A.W.A. Pauldrach, N. Przybilla, J. Puls, R.S. Ryans, M.A. Urbaneja, K.A. Venn, M.R. Villamariz)
  
• Radiation Driven Winds of Very Massive Stars at Extremely Low Metallicity
  2005,Invited Paper, Proc. of "The Fate of the Most Massive Stars" , International Conference, ASP Conference Series, eds. R. Humphreys and K. Stanek, ASP Conferences 332, 243
  (single author paper)
• Massive Stars in the Soft Gamma Ray Repeater Cluster 1806-20
  2005, Astrophysical Journal Letters, 622, 49L
  (with D. Figer, F. Najarro, T.R. Geballe, R.D. Blum)
• The Physical Properties and Effective Temperature Scale of O-type Stars as a Function of Metallicity. II. Analysis of 20 More Stars in the Magellanic Clouds
  2005, Astrophysical Journal, 627, 477
  (with P. Massey, J. Puls, A.W.A. Pauldrach, F. Bresolin, T. Simon)
  
• Quantitative H and K band Spectroscopy of Galactic OB-stars at Medium Resolution
  2005, Astron. Astrophys., 440, 261
  (with T. Repolust, J. Puls, M.M. Hanson, M.R. Mokiem)
  
• Blue luminous stars in nearby galaxies. Quantitative spectral analysis of M33 B-type supergiant stars
  2005, Astrophysical Journal, 635, 311
  (with M. Urbaneja, A. Herrero, S.J. Smartt, J. Puls, D.J. Lennon, L.J. Corral)
• A medium resolution near-infrared spectral atlas of O and early B stars
  2005, Astrophysical Journal Suppl., 161, 154
  (with M.M. Hanson, M.A. Kenworthy, J. Puls, A. Tokunaga)
  
• Oxygen and neon abundances of planetary nebulae in the elliptical galaxy NGC 4697
  2005, Astrophysical Journal, 627, 767
  (with R.H. Mendez, D. Thomas, R.P. Saglia, C. Maraston, R. Bender)
  
• Detection, Photometry, and slitless radial velocities of planetary nebulae in the flattened elliptical galaxy NGC 1344
  2005, Astrophysical Journal, 635, 290
  (with A. Teodorescu, R.H. Mendez, R.P. Saglia, A. Riffeser)
  
• The Araucaria Project. Near-Infrared Photometry of Cepheid Variables in the Sculptor Galaxy NGC 300
  2005, Astrophysical Journal, 628, 695
  (with W. Gieren, G. Pietrzynski, I. Soszynski, F. Bresolin, D. Minniti, J. Storm)
  
• Quantitative Spectroscopy of BA-type Supergiants
  2006, Astron. Astrophys., 445, 1099
  (with N. Przybilla, K. Butler, S. Becker)
  
• A survey for OB associations in the Sculptor Group spiral galaxy NGC 7793
  2005, Astron. Astrophys., 440, 261
  (with G. Pietrzynski, K. Ulaczyk, W. Gieren, F. Bresolin)
  
• The Araucaria Project. The Effect of Blending on the Cepheid Distance to NGC 300 from Advanced Camera for Surveys Images
  2005, Astrophysical Journal, 634, 1020
  (with F. Bresolin, G. Pietrzynski, W. Gieren)
  
• The Araucaria Project. The Distance to the Local Group Galaxy IC 1613 from Near-infrared Photometry of Cepheid Variables
  2005, Astrophysical Journal, 642, 216
  (with G. Pietrzynski, W. Gieren, I. Soszynski, F. Bresolin, M. Dall'Ora, G. Bono)
  
• The Araucaria Project. The Distance to NGC 300 from the Red Giant Branch Tip using HST/ACS imaging
  2006, Astrophysical Journal, 638, 766
  (with L. Rizzi, F.Bresolin, W. Gieren, G. Pietrzynski)
  
• Massive Stars in the SGR 1806-20 Cluster
  2005, Astrophysical Journal Letters, 622L, 49
  (with D. Figer, F. Najarro, T. Geballe, R. Blum)
  
• High spectral Resolution Observations of the Massive Stars in the Galactic Center
  2006, Astrophysical Journal, 641, 891
  (with A. Tanner, D. Figer, F. Najarro, D. Gilmore, M. Morris, E. Becklin, I.S. McLean, A. Gilbert, J. Graham, J. Larkin, N. Levenson, H. Teplitz)
  
• SN 2004A: Another Type II-P Supernova with a Red Supergiant Progenitor
  2006, Mon. Not. R. Astron. Soc., 369, 1303
  (with M.A. Hendry, S.J. Smartt, R.M. Crockett, J.R. Maund, A. Gal-Yam, D.S. Moon, S.B. Cenko, D.W. Fox, C.R. Benn, R. Ostensen)
  
• Faint Supernovae and Supernova Impostors: Case studies of SN 2002kg/NGC2403-V37 and SN 2003gm
  2006, Mon. Not. R. Astron. Soc., 369, 390
  (with J.R. Maund, S.J. Smartt, A. Pastorello, G. Nelemans, F. Bresolin, F. Patat, G.F. Gilmore, C.R. Benn R.M.)
  
• Discovery of an Extraordinarily Massive Cluster of Red Supergiants
  2006, Astrophysical Journal, 643, 1166
  (with D. Figer, J. MacKenty, M. Robberto, K. Smith,F. Najarro, A. Herrero)
  
• The Araucaria Project. A Wide-Field Photometric Survey for Cepheid Variables in NGC 3109
  2006, Astrophysical Journal, 647, 1056
  (with W. Gieren, G. Pietrzynski, A. Udalski, I. Soszynski, F. Bresolin, R. Mennickent, M. Kubiak, M. Szymanski, S. Hidalgo)
  
• The Araucaria Project. Distance to the Local Goup Galaxy NGC 3109 from Near-Infrared Photometry of Cepheids
  2006, Astrophysical Journal, 648, 375
  (with I. Soszynski, W. Gieren, G. Pietrzynski, F. Bresolin, J. Storm)
  
• The Araucaria Project. An Accurate Distance to NGC 6822 from Near-Infrared Photometry of Cepheid Variables
  2006, Astrophysical Journal, 647, 1056
  (with W. Gieren, G. Pietrzynski, K. Nalewajko, I. Soszynski, F. Bresolin, D. Minniti, A. Romanowsky)
  
• Atmospheres and Winds of PN Central Stars
  2006, Proceedings IAU Symposium No. 234, page 119, "Planetary Nebulae in our Galaxy and Beyond", eds. M.J. Barlow, R.H. Mendez, invited review paper
  (with M.A. Urbaneja, J. Puls)
  
• The Araucaria Project. VLT spectra of Blue Supergiants in WLM: Classification and First Abundances
  2006, Astrophysical Journal, 648, 1007
  (with F. Bresolin, G. Pietrzynski, M.A. Urbaneja, W. Gieren, K.A. Venn)
  
• The Araucaria Project. The Distance to the Sculptor Group galaxy NGC 55 from a Newly Discovered Abundant Cepheid Population
  2006, Astronomical Journal, 132, 2556
  (with G. Pietrzynski, W. Gieren, I. Soszynski, A. Udalski, F. Bresolin, R. Mennickent, A. Walker and 5 coauthors)
• The First DIRECT Distance Determination to a Detached Eclipsing Binary in M33
  2006, Astrophysical Journal, 652, 313
  (with A. Bonanos, K.Z. Stanek, L.M. Macri, D.D. Sasselov, J. Kaluzny, P.B. Stetson, D. Bersier, F. Bresolin, T. Matheson, B.J. Mochesjka, N. Przybilla, A.H. Szentgyorgyi, J. Tonry, G. Torres)
  
• The sdB+WD binary KPD 1930+2752 - a supernova type Ia progenitor candidate
  2007, Astron. Astrophys, 464, 299
  (with S. Geier, S. Nesslinger, U. Heber, N. Przybilla, R. Napiwotzki)
  
• The Arches Cluster Mass Function
  2006, Astrophysical Journal Letters, 653L, L113
  (with S. Kim, D. Figer, F. Najarro)
  
• The Araucaria Project. VLT-FORS Spectroscopy of Blue Supergiants in NGC 3109: Classification, First Abundances, and Kinematics
  2007, Astrophysical Journal, 659, 1198
  (with C. Evans, F. Bresolin, M. Urbaneja, G. Pietrzynski, W. Gieren)
  
• Central Stars of Planetary Nebulae in the Galactic Bulge
  2007, Astron. Astrophys. 467, 1253
  (with P. Hultzsch, J. Puls, R.H. Mendez, A.W.A. Pauldrach, T. Hoffmann, J. McCarthy)
  
• The Araucaria Project. The Distance to the Local Group galaxy WLM from Cepheid Variables Discovered in a Wide-Field Imaging Survey
  2007, Astronomical Journal, 134, 594
  (with G. Pietrzynski, W. Gieren, A. Udalski, I. Soszynski, F. Bresolin, and 4 coauthors)
• A Massive Cluster of Red Supergiants at the base of the Scutum-Crux Arm
  2007, Astrophysical Journal, 671, 781
  (with B. Davies, D. Figer, J. MacKenty, F. Najarro, A. Herrero)
  
• VLT Spectroscopy of Blue Supergiants in IC 1613
  2007, Astrophysical Journal, 671, 2028
  (with F. Bresolin, M. Urbaneja, W. Gieren, G. Pietrzynski)
  
• A Catalogue of Planetary Nebuale in the Elliptical Galaxy NGC 4697
  2008, Astrophysical Journal Suppl., 175, 522
  (with R.H. Mendez, A. Teodorescu)
  
• The Araucaria Project. Near-Infrared Photometry of Cepheid Variables in the Sculptor Galaxy NGC 55
  2008, Astrophysical Journal, 672, 2066
  (with W. Gieren, G. Pietrzynski, I. Soszynski, F. Bresolin, J. Storm, D. Minniti )
• The Cool Supergiants Population of the Massive Young Star Cluster RSGC1
  2008, Astrophysical Journal, 676, 1016
  (with B. Davies, D. Figer, C.J. Law, F. Najarro, A. Herrero, J. MacKenty)
  
• The Araucaria Project. The Distance to the Sculptor dwarf spheroidal galaxy from infrared photometry of RR Lyrae stars
  2008, Astronomical Journal, 135, 1993
  (with G. Pietrzynski, W. Gieren, O. Szewczyk, A. Walker, L. Rizzi, F. Bresolin, K. Nalewajko, J. Storm, M. Dall'Ora, V. Ivanov )
• The Araucaria Project. The Distance to the Large Magellanic Cloud from Near-Infrared Photometry of RR Lyrae stars
  2008, Astronomical Journal, 136, 272
  (with O. Szewczyk G. Pietrzynski, W. Gieren, J. Storm, A. Walker, L. Rizzi, K. Kinemuchi, F. Bresolin, M. Dall'Ora)
• The Araucaria Project. The Distance to the Local Group galaxy WLM from Near-Infrared Photometry of Cepheid Variables
  2008, Astrophysical Journal, 683, 611
  (with W. Gieren, G. Pietrzynski, O. Szewczyk, I. Soszynski, F. Bresolin, M. Urbaneja, J. Storm, D. Minniti )
• The Araucaria Project. VLT-Spectroscopy of Blue Massive Stars in NGC 55
  2008, Astron. Astrophys., 485, 41
  (with N. Castro, A. Herrero, M. Garcia, C. Trundle, F. Bresolin, W. Gieren, G. Pietrzynski, R. Demarco)
  
• Radial Velocities of Stars in the Galactic Center
  2008, Astrophysical Journal, 681, 1254
  (with Q. Zhu, D. Figer, F. Najarro, D. Merrit)
  
• Extragalactic Stellar Astronomy with the Brightest Stars in the Universe
  2008, Proc. IAU Symposium No. 250, "Massive Stars as Cosmic Engines", eds. Bresolin, F., Crowther, P. A., Puls, J., Cambridge University Press, p. 313- 326
  (invited first author paper with M. Urbaneja, F. Bresolin, N. Przybilla)
• Quantitative Spectroscopy of 24 A supergiants in the Sculptor Galaxy NGC 300: Flux Weighted Gravity - Luminosity Relationship, Metallicity and Metallicity Gradient
  2008, Astrophysical Journal, 681, 269
  (first author paper with M. Urbaneja, F. Bresolin, N. Przybilla, W. Gieren, G. Pietrzynski)
  
• The Araucaria Project: The Local Group galaxy WLM - Distance and Metallicity from Quantitative Spectroscopy of Blue Supergiants
  2008, Astrophysical Journal, 684, 118
  (with M. Urbaneja, F. Bresolin, N. Przybilla, W. Gieren, G. Pietrzynski)
  
• Kinematics of Planetary Nebulae in the Outskirts of the Elliptical Galaxy NGC 4697
  2009, Astrophysical Journal, 691, 228
  (with R.H. Mendez, A.M. Teodorescu, A. Burkert)
  
• Extragalactic Stellar Astronomy with the Brightest Stars in the Universe
  2009, Proc. International Symposium "A Stellar Journey", in honor of Bengt Gustaffson, to be published in Physica Scripta by the Swedish Aacademy, in press
  (invited first author paper with M. Urbaneja, F. Bresolin, N. Przybilla)
• Discovery of a Young Massive Stellar Cluster near HESS J1813-178
  2008, Astrophysical Journal Letters, 683, L155
  (with M. Messineo, D.F. Figer, B. Davies, M. Rich, E. Valenti)
  
• Extragalactic Stellar Astronomy in the Local Universe with Spectroscopy of Blue Supergiants
  2009, Proceedings of 10th Asian-Pacific Regional IAU Meeting 2008, Kunming, China, ed. Shuang Nan Zhang, in press
  (invited first author paper with M. Urbaneja, F. Bresolin, N. Przybilla)
• Metallicity in the Galactic Center: The Quintuplet Cluster
  2009, Astrophysical Journal, 691, 1816
  (with F. Najarro, D. Figer, J. D. Hillier, T. Geballe)
  
• The Araucaria Project. The Distance to the Sculptor Group Galaxy NGC 247 from Cepheid Variables Discovered in a Wide-Field Imaging Survey
  2008, Astronomical Journal, 136, 1770
  (with A. Garcia-Varela, G. Pietrzynski, W. Gieren, A. Udalski, A. Walker, F. Bresolin, O. Szewczyk , M. Szymanski)
• The Physical Properties and Effective Temperatures Scale of O-type Stars as a Function of Metallicity. III. More Results from the Magellanic Clouds
  2009, Astrophysical Journal, 692, 618
  (with P. Massey, A.M. Zangieri, N.I. Morell, J. Puls, K. DeGoia-Eastwood, Bresolin)
• Chemical Abundance Patterns in the Inner Galaxy: The Scutum Red Supergiant Clusters
  2009, Astrophysical Journal, 696, 2014
  (with B. Davies, L. Origlia, D. Figer, M.R. Rich, F. Najarro, I. Negueruela, J.S. Clark)
• The Chemical Abundances in the Galactic Center from Atmospheres of Red Supergiants
  2009, Astrophysical Journal, 694, 46
  (with B. Davies, L. Origlia, D. Figer, M.R. Rich, F. Najarro)
• The Araucaria Project. Determination of the LMC Distance from Late-Type Eclipsing Binary Systems: I. OGLE-051019.64-685812.3
  2009, Astrophysical Journal, 697, 862
  (with G. Pietrzynski, I.B. Thompson, D. Gracyk, W. Gieren, A. Udalski, O. Szewczyk , D. Minniti, Z. kolaczkowski, F. Bresolin)
• The Araucaria Project. Infrared Tip of the Red Giant Branch Distances to the Carina and Fornax Dwarf Spheroidal Galaxies
  2009, Astronomical Journal, 138, 459
  (with G. Pietrzynski, M. Gorski, W. Gieren, V.D. Ivanov, F. Bresolin)
• The Araucaria Project: The Distance to the Small Magellanic Cloud from Near-Infrared Photometry of RR Lyrae Variables
  2009, Astronomical Journal, 138, 1661
  (with O. Szewczyk, G. Pietrzynski, W. Gieren, A. Ciechanowska, F. Bresolin)
• The Araucaria Project. The Distance to the Sculptor Group Galaxy NGC 247 from Near Infrared Photometry of Cepheid Variables
  2009, Astrophysical Journal, 700, 1141
  (with W. Gieren, G. Pietrzynski, G. Soszynski, O. Szewczyk, F. Bresolin, M. Urbaneja, J. Storm, D. Minniti, A. Garcia-Varela)
• Extragalactic chemical abundances: do HII regions and young stars tell the same story? The case of the spiral galaxy NGC 300
  2009, Astrophysical Journal, 700, 309
  (with F. Bresolin, W. Gieren, G. Pietrzynski, M. Urbaneja, G. Carraro)
• A New Distance to M33 Using Blue Supergiants and the FGLR Method
  2009, Astrophysical Journal, 704, 1120
  (with Vivan U, M.A. Urbaneja, B. Jacobs, F. Bresolin, N. Przybilla)
• The Progenitor Mass of the Magnetar SGR1900+14
  2009, Astrophysical Journal, 707, 844
  (with B. Davies, D. Figer, C. Trombley, C. Kouveliotou, S. Wachter)
• Parameters and Winds of Hot Massive Stars
  2009, Invited Review Paper in Proceedings STScI May Symposium, "Massive Stars - from PopIII and GRBs to the Milky Way", ed. M. Livio and E. Villaver, Cambride University Press, p. 126 - 151
  (first author paper with M.A. Urbaneja)
• Hubble Space Telescope NICMOS Observations of the GLIMPSE 9 Stellar Cluster
  2010, Astrophysical Journal, 708, 1241
  (with M. Messineo, D.F. Figer, B. Davies, M. Rich, J. MacKenty, C. Trombley)
  
• Dissecting galaxies with Quantitative Spectroscopy of the Brightest Stars in the Universe - Karl Schwarzschild Lecture
  2010, Astronomical Notes Vol. 5, p. 459 - 473
  (single author paper)
  
• A Library of Theoretical Ultraviolet Spectra of Massive, Hot Stars for Evolutionary Synthesis
  2010, Astrophysical Journal Supplements, 189, 309
  (with C. Leitherer, P.A. Ortiz Otalvaro, F. Bresolin, B. Lo Faro, A.W.A. Pauldrach, M. Pettini, S.A. Rix)
  
• Planetary nebulae in the elliptical galaxy NGC 821: kinematics and distance determination
  2010, Astrophysical Journal, 721, 369
  (with A.M. Teodorescu, R.H. Mendez, F. Bernardi, A. Riffeser)
  
• The potential of Red Supergiants as extra-galactic abundance probes at low spectral resolution
  2010, Mon .Not. R. Astron. Soc., 407, 1203
  (with B. Davies, D. Figer)
  
• Stellar metallicities beyond the Local Group: the potential of J-band spectroscopy with extremely large telescopes
  2011, Astron. Astrophys., 527, 50
  (with C.J. Evans, B. Davies, M. Puech, Y. Yang, J.G. Cuby, D. Figer M.D. Lehnert, S.L. Morris, G. Rousset)
  
• The Distance to the Massive Eclipsing Binary LMC-SC1-105 in the Large Magellanic Cloud
  2011, Astrophysical Journal Letters, 729, L9
  (with A. Z. Bonanos, N. Castro, L.M. Macri )
  
• Massive Stars in the Cl 1813-178 Cluster: An Episode of Massive Star formation in the W33 Complex
  2011, Astrophysical Journal, 733, 41
  (with M. Messineo, B. Davies, D.F. Figer, E. Valenti, C. Trombley, F. Najarro, M. Rich)
  
• The G305 star-forming complex: the central star clusters Danks 1 and Danks 2
  2012, MNRAS, 419, 1871
  (with B. Davies, J.S. Clark, C. Trombley, D. Figer, F. Najarro, P.A. Crowther, M. Thompson, J.S. Urquhart, L. Hindson)
  
• Quantitative Spectroscopy of Blue Supergiant Stars in the Disk of M81: Metallicity, Metallicity Gradient and Distance
  2012, Astrophysical Journal, 747, 15
  (first author paper with M. Urbaneja, Z. Gazak, F. Bresolin, N. Przybilla, W. Gieren, G. Pietrzynski)
  
• Distances to Galaxies from the Brightest Stars in the Universe
  Invited Review Paper in Proc. of "The Fundamental Cosmic Distance Scale: State of the Art and GAIA Perspective", 2012, Astrophysics and Space Science, Vol. 341, 131, eds: E. Brocato, G. Clementini, M. Marconi
  (first author paper with M. Urbaneja)
  
• The Araucaria Project: An Accurate Distance to the Late-type Double-lined Eclipsing Binary OGLE SMC113.3 4007 in the Small Magellanic Cloud
  2012, Astrophysical Journal, 750, 144
  (with D. Graczyk, G. Pietrzynski, I.B. Thompson, W. Gieren, B. Pilecki, A. Udalski, I. Soszynski, Z. Kozaczkowski, F. Bresolin et al.)
• The Araucaria Project: Grid-based Quantitative Spectroscopic Study of Massive Blue Stars in NGC 55
  2012, Astron. Astrophys., 542, 79
  (with N. Castro, M. Urbaneja, A. Herrero, M. Garcia, S. Simon-Diaz, G. Pietrzynski, W.Gieren)
  
• PN fast winds: temporal structure and stellar rotation
  2012, MNRAS, 422, 3142
  (with R.K. Prinja, D.L. Massa, M.A. Urbaneja )
  
• Red Supergiant Stars as Cosmic Abundance Probes: NLTE Effects in J-band Iron and Titanium Lines
  2012, Astrophysical Journal, 752, 156
  (with M. Bergemann, B. Plez, B. Davies, K. Lind, Z. Gazak)
  
• From supergiant stars to galaxies: the path to extragalactic distances
  2012, Advancing the physics of cosmic distances, Proceedings IAU Symposium No. 289, eds. R. de Grijs and G. Bono
  (invited paper with F. Bresolin)
  
• A 2% distance to the Large Magellanic Cloud from eclipsing binary systems
  2012, Nature, in press
  (with G. Pietrzynski, D. Graczyk, W. Gieren, I.B. Thompson, B., Pilecki, A. Udalski, I. Soszynski, S. Koznowski, P. Konorski, K. Suchomska, G. Bono, P. G. Prada Moroni, S. Villanova, N. Nardetto, F., Bresolin, J. Storm, R., Smolec, D. Minniti, M. Kubiak, M. Szymanski, R. Poleski, L. Wyrzykowski, K. Ulaczyk, P. Pietrukowicz, M. Górski, P. Karczmarek)
  
• The Observed Relation between Stellar Mass, Dust Extinction and Star Formation Rate in Local Galaxies
  2012, Astrophysical Journal Letters, in press
  (with H.J. Zahid, R.M. Yates, L.J. Kewley)
  
• The Host Galaxy of The Super-Luminous SN 2010GX and Limits on Explosive 56NI Production
  2012, Astrophysical Journal Letters, submitted
  (with T.-W. Chen, S.J. Smartt, F. Bresolin, A.Pastorello, R. Kotak., M. McCrum, M. fraser, S. Valenti)
  
• Age Dating Stellar Populations in the Near Infrared: An absolute age indicator from the presence/absence of red supergiants
  2012, MNRAS Letters, in press
  (with J.Z. Gazak, N.Bastian, A. Adamo, B.Davies, B. Plez, M.A. Urbaneja )
  
• Red Supergiant Stars as Cosmic Abundance Probes: II. NLTE Effects in J-band Silicon Lines
  2012, Astrophysical Journal, in press
  (with M. Bergemann, M. Wuehrl, B. Plez, B. Davies, J.Z. Gazak)
  
• The Temperatures of Red Supergiants
  2012, Astrophysical Journal, submitted
  (with B. Davies, B. Plez, S. Trager, A. Lancon, J. Z. Gazak, M. Bergemann, C. Evans)