University of Hawaii Instutute for Astronomy
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Personnel 
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Staff Directories & Phones
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Maintained by LG

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photo of L. Cowie
 

Lennox L. Cowie

Astronomer
PhD, Harvard University , 1976
cowie@ifa.hawaii.edu

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Outside Responsibilities

Co-Investigator, Far Ultraviolet Spectroscopic Explorer

Honors and Awards

Fellow of the Royal Society of the United Kingdom, 2004
Bok Prize, Harvard University, 1984
Warner Prize, American Astronomical Society, 1985
Highly Cited Author, Science Citation Index, 2003

Selected Recent Publications

The Cosmic Evolution of Hard X-Ray-selected Active Galactic Nuclei
L. L. Cowie, R. F. Mushotzky, Y. Yang, W.-H. Wang, A. T. Steffen, and P. Capak
The Astronomical Journal, 129, 578-609 (2005)

An 850 Micron SCUBA Survey of the Hubble Deep Field-North GOODS Region
W.-H. Wang, L. L. Cowie, and A. J. Barger
The Astrophysical Journal, 613, 655-671 (2004)

The Evolution of the Ultraluminous Infrared Galaxy Population from Redshift 0 to 1.5
L. L. Cowie, A. J. Barger, E. B. Fomalont, and P. Capak
The Astrophysical Journal, 603, L69-L72 (2004)

Faint 6.7 Micron Galaxies and Their Contributions to the Stellar Mass Density in the Universe
Y. Sato, L. L. Cowie, K. Kawara, H. Matsuhara, H. Okuda, D. B. Sanders, Y. Sofue, Y. Taniguchi, and K. Wakamatsu
The Astronomical Journal, 127, 1285-1304 (2004)

The Evolution of the Ultraluminous Infrared Galaxy Population from Redshift 0 to 1.5
L. L. Cowie, A. J. Barger, E. B. Fomalont, and P. Capak
The Astrophysical Journal, 603, L69-L72 (2004)

The Luminosity Function of Lyα Emitters at Redshift z ~ 5.7
E. M. Hu, L. L. Cowie, P. Capak, R. G. McMahon, T. Hayashino, and Y. Komiyama
The Astronomical Journal, 127, 563-575 (2004)

A Deep Wide-Field, Optical, and Near-Infrared Catalog of a Large Area around the Hubble Deep Field North
P. Capak, L. L. Cowie, E. M. Hu, A. J. Barger, M. Dickinson, E. Fernandez, M. Giavalisco, Y. Komiyama, C. Kretchmer, C. McNally, S. Miyazaki, S. Okamura, and D. Stern
The Astronomical Journal, 127, 180-198 (2004)

The Changing Active Galactic Nucleus Population
A. T. Steffen, A. J. Barger, L. L. Cowie, R. F. Mushotzky, and Y. Yang
The Astrophysical Journal, 596, L23-L26 (2003)

Optical and Infrared Properties of the 2 Ms Chandra Deep Field North X-Ray Sources
A. J. Barger, L. L. Cowie, P. Capak, D. M. Alexander, F. E. Bauer, E. Fernandez, W. N. Brandt, G. P. Garmire, and A. E. Hornschemeier
The Astronomical Journal, 126, 632-665 (2003)

The Chandra Deep Field North Survey. XIII. 2 Ms Point-Source Catalogs
D. M. Alexander, F. E. Bauer, W. N. Brandt, D. P. Schneider, A. E. Hornschemeier, C. Vignali, A. J. Barger, P. S. Broos, L. L. Cowie, G. P. Garmire, L. K. Townsley, M. W. Bautz, G. Chartas, and W. L. W. Sargent
The Astronomical Journal, 126, 539-574 (2003)

A Deep 6.7 µm Survey in the SSA13 Field with ISO
Y. Sato, K. Kawara, L. L. Cowie, Y. Taniguchi, D. B. Sanders, H. Matsuhara, H. Okuda, K. Wakamatsu, Y. Sofue, R. D. Joseph, and T. Matsumoto
Astronomy and Astrophysics, 405, 833-849 (2003)

A Submillimeter and Radio Survey of Gamma-Ray Burst Host Galaxies: A Glimpse into the Future of Star Formation Studies
E. Berger, L. L. Cowie, S. R. Kulkarni, D. A. Frail, H. Aussel, and A. J. Barger
The Astrophysical Journal, Volume 588, 99-112. (2003)

Astronomy: Wrestling Monsters in Deep Space
L. Cowie
Nature, 422, 670-671 (2003)

Imaging Large-Scale Structure in the X-Ray Sky
Y. Yang, R. F. Mushotzky, A. J. Barger, L. L. Cowie, D. B. Sanders, and A. T. Steffen
The Astrophysical Journal, 585, L85-L88 (2003)

The Properties of Microjansky Radio Sources in the Hubble Deep Field-North, SSA 13, and SSA 22 Fields
S. C. Chapman, A. J. Barger, L. L. Cowie, D. Scott, C. Borys, P. Capak, E. B. Fomalont, G. F. Lewis, E. A. Richards, A. T. Steffen, G. Wilson, and M. Yun
The Astrophysical Journal, 585, 57-66 (2003)

Very High Redshift X-Ray-selected Active Galactic Nuclei in the Chandra Deep Field-North
A. J. Barger, L. L. Cowie, P. Capak, D. M. Alexander, F. E. Bauer, W. N. Brandt, G. P. Garmire, and A. E. Hornschemeier
The Astrophysical Journal, 584, L61-L64 (2003)

The Redshift Evolution of the 2-8 keV X-Ray Luminosity Function
L. L. Cowie, A. J. Barger, M. W. Bautz, W. N. Brandt, and G. P. Garmire
The Astrophysical Journal, 584, L57-L60 (2003)

The Hawaii+Anglo-Australian Observatory K-Band Galaxy Redshift Survey. I. The Local K-Band Luminosity Function
J.-S. Huang, K. Glazebrook, L. L. Cowie, and C. Tinney
The Astrophysical Journal, 584, 203-209 (2003)

Mid-Infrared Identification of Faint Submillimeter Sources
Y. Sato, L. L. Cowie, K. Kawara, Y. Taniguchi, Y. Sofue, H. Matsuhara, and H. Okuda
The Astrophysical Journal, 578, L23-L26 (2002)

X-Ray, Optical, and Infrared Imaging and Spectral Properties of the 1 Ms Chandra Deep Field North Sources
A. J. Barger, L. L. Cowie, W. N. Brandt, P. Capak, G. P. Garmire, A. E. Hornschemeier, A. T. Steffen, and E. H. Wehner
The Astronomical Journal, 124, 1839-1885 (2002)

Faint Submillimeter Counts from Deep 850 Micron Observations of the Lensing Clusters A370, A851, and A2390
L. L. Cowie, A. J. Barger, and J.-P. Kneib
The Astronomical Journal, 123, 2197-2205 (2002)

Approaching Reionization: The Evolution of the Ly-alpha Forest from z = 4 to z = 6
A. Songaila and L. L. Cowie
The Astronomical Journal, 123, 2183-2196 (2002)

A Redshift z = 6.56 Galaxy behind the Cluster Abell 370
E. M. Hu, L. L. Cowie, R. G. McMahon, P. Capak, F. Iwamuro, J.-P. Kneib, T. Maihara, and K. Motohara
The Astrophysical Journal, 568, L75-L79 (2002)

The 2-8 keV X-Ray Number Counts Determined from Chandra Blank Field Observations
L. L. Cowie, G. P. Garmire, M. W. Bautz, A. J. Barger, W. N. Brandt, and A. E. Hornschemeier
The Astrophysical Journal, 566, L5-L8 (2002)

Star Formation History since z = 1.5 as Inferred from Rest-Frame Ultraviolet Luminosity Density Evolution
G. Wilson, L. L. Cowie, A. J. Barger, and D. J. Burke
The Astronomical Journal, 124, 1258-1265 (2002)

Supermassive Black Hole Accretion History Inferred from a Large Sample of Chandra Hard X-Ray Sources
A. J. Barger, L. L. Cowie, M. W. Bautz, W. N. Brandt, G. P. Garmire, A. E. Hornschemeier, R. J. Ivison, and F. N. Owen
The Astronomical Journal, 122, 2177-2189 (2001)

Submillimeter Properties of the 1 Ms Chandra Deep Field-North X-Ray Sample
A. J. Barger, L. L. Cowie, A. T. Steffen, A. E. Hornschemeier, W. N. Brandt, and G. P. Garmire
The Astrophysical Journal, 560, L23-L28 (2001)

Resolving the Structure of Ionized Helium in the Intergalactic Medium with the Far Ultraviolet Spectroscopic Explorer
G. A. Kriss, et al.
Science, 293, 1112-1116 (2001)

FUSE Observations of Cooling-Flow Gas in the Galaxy Clusters A1795 and A2597
W. R. Oegerle, L. Cowie, A. Davidsen, E. Hu, J. Hutchings, E. Murphy, K. Sembach, and B. Woodgate
The Astrophysical Journal, 560, 187-193 (2001)

Galaxy Halo Masses from Galaxy-Galaxy Lensing
G. Wilson, N. Kaiser, G. A. Luppino, and L. L. Cowie
The Astrophysical Journal, 555, 572-584 (2001)

The Chandra Deep Survey of the Hubble Deep Field North Area. II. Results from the Caltech Faint Field Galaxy Redshift Survey Area
A. E. Hornschemeier, W. N. Brandt, G. P. Garmire, D. P. Schneider, A. J. Barger, P. S. Broos, L. L. Cowie, L. K. Townsley, M. W. Bautz, D. N. Burrows, G. Chartas, E. D. Feigelson, R. E. Griffiths, D. Lumb, J. A. Nousek, L. W. Ramsey, and W. L. W. Sargent
The Astrophysical Journal, 554, 742-777 (2001)

Detecting High-Redshift Evolved Galaxies as the Hosts of Optically Faint Hard X-Ray Sources
L. L. Cowie, A. J. Barger, M. W. Bautz, P. Capak, C. S. Crawford, A. C. Fabian, E. M. Hu, F. Iwamuro, J.-P. Kneib, T. Maihara, and K. Motohara
The Astrophysical Journal (Letters), 551, L9-L12 (2001)

The Nature of the Hard X-Ray Background Sources: Optical, Near-Infrared, Submillimeter, and Radio Properties
A. J. Barger, L. L. Cowie, R. F. Mushotzky, and E. A. Richards
The Astronomical Journal, 121, 662-682 (2001)


 

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