W.M. Keck Observatory Bibliography

Science Bibliography

A collection of articles referencing data collected at W.M. Keck Observatory.
The bibliography is limited to articles published in refereed journals.

2001

2001

158 - updated 21Dec06

Afonso, C.; Albert, J. N.; Andersen, J.; Zylberajch, S.; et. al.
Photometric constraints on microlens spectroscopy of EROS-BLG-2000-5
A&A 378, 1014 | 2001
HIRES

Arav, Nahum; Brotherton, Michael S.; Becker, Robert H.; et. al.
The Intrinsic Absorber in QSO 2359-1241. Keck and Hubble Space Telescope Observations
ApJ, 546, 134 | 2001 January 1
LRIS

Barger, A. J.; Cowie, L. L.; Mushotzky, R. F.; Richards, E. A.
The Nature of the Hard X-Ray Background Sources, Optical, Near-Infrared, Submillimeter, and Radio Properties
AJ, 121, 662 | 2001 February
LRIS

Barger, A. J.; Cowie, L. L.; Bautz, M. W.; Brandt, W. N.; Garmire, G. P.; Hornschemeier, A. E.; Ivison, R. J.; Owen, F. N.
Supermassive Black Hole Accretion History Inferred from a Large Sample of Chandra Hard X-Ray Sources
AJ, 122, 2177 | 2001
LRIS

Beck, Sara C.; Turner, Jean L.; Gorjian, Varoujan
Infrared Emission from Clusters in the Star-forming Disk of Henize 2-10
AJ, 122, 1365 | 2001 September
LWS

Becker, Robert H.; Xiaohui Fan,; White, Richard L.; et. al.
Evidence for Reionization at z ~6 . Detection of a Gunn-Peterson Trough in a z = 6.28 Quasar
AJ, 122, 2850 | 2001 December
ESI

Becker, Robert H.; White, Richard L.; Gregg, Michael D.; et. al.
The FIRST Bright Quasar Survey. III. The South Galactic Cap
ApJS 135, 227 | 2001 August
?

Bittar, J.; Tuthill, P.; Monnier, J. D.; Lopez, B.; Danchi, W.; Stee, Ph.
High angular resolution observations in the near infrared and modeling of the peculiar envelope of HD 62623
A&A 368, 197 | 2001
NIRC

Blakeslee, John P.; Metzger, Mark R.; Kuntschner, Harald; Côté, Patrick
Lensing in the Hercules Supercluster
AJ, 121, 1 | 2001 January
LRIS

Bloom, J. S.; Djorgovski, S. G.; Kulkarni, S. R.
The Redshift and the Ordinary Host Galaxy of GRB 970228
ApJ 554, 678 | 2001 June 20
LRIS

Boesgaard, A.
Oxygen in unevolved stars
NewAR 45, 525 | 2001 July
HIRES

Boesgaard, A.; Deliyannis, Constantine P.; King, Jeremy R.; Stephens, Alex
Beryllium in F and G Field Dwarfs from High-Resolution Canada-France-Hawaii Telescope Spectra
ApJ, 553,754 | 2001 June 1
HIRES

Bond, N. A.; Churchill, C. W.; Charlton, J. C.; Vogt, S. S.
High-Redshift Superwinds as the Source of the Strongest Mg II Absorbers. A Feasibility Analysis
ApJ, 562, 641 | 2001 December 1
HIRES

Bond, Nicholas A.; Churchill, Christopher W.; Charlton, Jane C.; Vogt, Steven S.
Evidence for Expanding Superbubbles in a Galaxy at z = 0.7443
ApJ, 557, 761 | 2001 August 20
HIRES

Briley, Michael M.; Cohen, Judith G.
Calibration of the CH and CN Variations Among Main-Sequence Stars in M71 and in M13
AJ, 122, 242 | 2001 July
LRIS

Brotherton, M. S.; Arav, Nahum; Becker, R. H.; et. al.
QSO 2359-1241 A Bright, Highly Polarized, Radio-moderate, Reddened, Low-Ionization Broad Absorption Line Quasar
ApJ, 546, 134 | 2001 January 1
LRIS

Burger, M. H.; Schneider, N. M.; de Pater, I.; et. al.
Mutual Event Observations of Io's Sodium Corona
ApJ, 563, 1063 | 2001 December 20
HIRES

Carretta, Eugenio; Cohen, Judith G.; Gratton, Raffaele G.; Behr, Bradford B.
An Abundance Analysis for Four Red Horizontal-Branch Stars in the Extremely Metal-Rich Globular Cluster NGC 6528
AJ, 122, 1469 | 2001 September
HIRES

Castro, Sandra; Pogge, Richard W.; Rich, R. Michael; DePoy, D. L.; Gould, Andrew
Spatial/Spectral Resolution of a Galactic Bulge K3 Giant Stellar Atmosphere via Gravitational Microlensing
ApJL, 548, L197 | 2001 February 20
HIRES

Chapman, S.; Lewis, G.; Scott, D.; et. al.
Submillimeter Imaging of a Protocluster Region at Z=3.09
ApJ 548, L17 | 2001 February 10
LRIS NIRC
article

Chen, C. H.; Jura, M.
A Possible Massive Asteroid Belt around zeta Leporis
ApJL, 560, L171 | 2001 October 20
LWS

Churchill, Christopher W.; Vogt, Steven S.
The Kinematics of Intermediate-Redshift Mg II Absorbers
AJ, 122, 679 | 2001 August
HIRES

Clowe, D.; Trentham, N.; Tonry, J
Weak lensing observations of the "dark'' cluster MG 2016+112
A&A 369, 16 | 2001
LRIS

Cohen, Judith G.; Behr, Bradford B.; Briley, Michael M.
Abundances in Stars from the Red Giant Branch Tip to Near the Main-Sequence Turnoff in M71. I. Sample Selection, Observing Strategy, and Stellar Parameters
AJ, 122, 1420 | 2001 September
HIRES

Cohen, Judith G.
Caltech Faint Galaxy Redshift Survey. XIII. Spectral Energy Distributions for Galaxies in the Region of the Hubble Deep Field North
AJ, 121, 2895 | 2001 June
LRIS

Cohen, Judith G.
Lost and Found: The Damped Lya Absorbers in the QSO OI 363
AJ 121,1275 | 2001 March
LRIS
article

Cowie, L. L.; Barger, A. J.; Bautz, M. W.; et. al.
Detecting High-Redshift Evolved Galaxies as the Hosts of Optically Faint Hard X-Ray Sources
ApJL 551, L9 | 2001 April 10
LRIS ESI

Dale, Daniel A.; Helou, George; Neugebauer, Gerry; et. al.
Multiwavelength Observations of the Low-Metallicity Blue Compact Dwarf Galaxy SBS 0335-052
AJ, 122, 1736 | 2001 October
LWS NIRC

Danchi, W. C.; Tuthill, P. G.; Monnier, J. D.
Near-Infrared Interferometric Images of the Hot Inner Disk surrounding the Massive Young Star MWC 349A
ApJ, 562, 440 | 2001 November 20
NIRC

Dawson, Steve; Stern, Daniel; Bunker, Andrew J.; et. al.
Serendipitously Detected Galaxies in the Hubble Deep Field
AJ, 122, 598 | 2001 August
LRIS

De Breuck, Carlos; van Breugel, Wil; Röttgering, Huub; et. al.
Spectroscopy of Ultra-steep-Spectrum Radio Sources
AJ 121,1241 | 2001 March
LRIS ESI

de Kool, Martijn; Arav, Nahum; Becker, Robert H.; et. al.
Keck HIRES Observations of the QSO FIRST J104459.6+365605: Evidence fora Large-Scale Outflow
ApJ 548, 609 | 2001 February 20
HIRES

Delahodde, C. E.; Meech, K. J.; Hainaut, O. R.; Dotto, E.
Detailed phase function of comet 28P/Neujmin 1
A&A, 376, 672 | 2001 September
LRIS

Delfosse, X.; Forveille, T.; Martín, E. L.; Guibert, J.; Borsenberger, J.; Crifo, F.; Alard, C.; Epchtein, N.; Fouqué, P.; Simon, G.; Tajahmady, F.
New neighbours. II. An M9 dwarf at d ~ 4 pc, DENIS-P J104814.7-395606.1
A&A, 366, L13 | 2001 February
HIRES

Djorgovski, S. G.; Frail, D. A.; Kulkarni, S. R.; Bloom, J. S.; Odewahn, S. C.; Diercks, A.
The Afterglow and the Host Galaxy of the Dark Burst GRB 970828
ApJ, 562, 654 | 2001 December 1
LRIS NIRC

Djorgovski, S. G.; Castro, S.; Stern, D.; Mahabal, A. A.
On the Threshold of the Reionization Epoch
ApJL, 560, L5 | 2001 October 10
LRIS

Ebeling, H.; Edge, A. C.; Henry, J. P.
MACS, A Quest for the Most Massive Galaxy Clusters in the Universe
ApJ 553, 668 | 2001 June 1
?

Ebeling, H.; Jones, L. R.; Fairley, B. W.; et. al.
Discovery of a Very X-Ray Luminous Galaxy Cluster at z = 0.89 in the Wide Angle ROSAT Pointed Survey
ApJL 548, L23 | 2001 February 10
LRIS

Eikenberry, S. S.; Fischer, W. J.; Egami, E.; Djorgovski, S. G.
Deep Infrared Imaging of the Microquasars 1E 1740-2942 and GRS 1758-258
ApJ, 556, 1 | 2001 July 20
NIRC

Ellis, Richard; Santos, Michael R.; Kneib, Jean-Paul; Kuijken, Konrad
A Faint Star-forming System Viewed through the Lensing Cluster Abell 2218: First Light at z~=5.6?
ApJL, 560, L119 | 2001 October 20
LRIS ESI

Ellison, Sara L.; Pettini, Max; Steidel, Charles C.; Shapley, Alice E.
An Imaging and Spectroscopic Study of the zabs=3.38639 Damped Lya System in Q0201+1120: Clues to Star Formation at High Redshift
ApJ 549, 770 | 2001 March 10
HIRES LRIS
article

Fan, Xiaohui; Narayanan, Vijay K.; Lupton, Robert H.; et. al.
A Survey of z>5.8 Quasars in the Sloan Digital Sky Survey. I. Discovery of Three New Quasars and the Spatial Density of Luminous Quasars at z~6
AJ, 122, 2833 | 2001 December
ESI NIRSPEC

Fan, Xiaohui; Strauss, Michael A.; Richards, Gordon T.; et. al.
High-redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data. III. A Color-selected Sample at I* < 20 in the Fall Equatorial Stripe
AJ, 121, 31 | 2001 January
LRIS
article

Fan, Xiaohui; Strauss, Michael A.; Schneider, Donald P.; et. al.
High-redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data. IV. Luminosity Function from the Fall Equatorial Stripe Sample
AJ, 121, 54 | 2001 January
?
article

Fernandez, Yanga R.; Jewitt, David C.; Sheppard, Scott S.
Low Albedos Among Extinct Comet Candidates
ApJL 553, L197 | 2001 June 1
LWS

Filippenko, Alexei V.
Einstein's Biggest Blunder? High-Redshift Supernovae and the Accelerating Universe
PASP, 113, 1441 | 2001 December

Fischer, Debra A.; Marcy, Geoffrey W.; Butler, R. Paul; et. al.
Planetary Companions to HD 12661, HD 92788, and HD 38529 and Variations in Keplerian Residuals of Extrasolar Planets
ApJ 551, 1107 | 2001 April 20
HIRES

Forbes, Duncan A.; Beasley, Michael A.; Brodie, Jean P.; Kissler-Patig, Markus
Age Estimates for Globular Clusters in NGC 1399
ApJL, 563, L143 | 2001 December 20
LRIS

Forbes, Duncan A.; Georgakakis, Antonis E.; Brodie, Jean P.
Keck imaging of the globular cluster systems in the early-type galaxies NGC 1052 and 7332
MNRAS, 325(4), 1431 | 2001 August
LRIS

Frail, D. A.; Kulkarni, S. R.; Sari, R.; et. al.
Beaming in Gamma-Ray Bursts. Evidence for a Standard Energy Reservoir
ApJL 562, L55 | 2001 November 20
LRIS

Gawiser, E.; Wolfe, A. M.; Prochaska, J. X.; Lanzetta, K. M.; Yahata, N.; Quirrenbach, A.
First Investigation of the Clustering Environment of Damped Lya Absorbers at z~=4
ApJ, 562, 628 | 2001 December 1
HIRES LRIS

Gehrz, Robert D.; Smith, Nathan; Jones, Barbara; et. al.
Keck LWS Images of the Compact Nebula around RY Scuti in theThermal Infrared
ApJ, 559, 395 | 2001 September 20
LWS

Genzel, R.; Tacconi, L. J.; Rigopoulou, D.; Lutz, D.; Tecza, M.
Ultraluminous Infrared Mergers. Elliptical Galaxies in Formation?
ApJ, 563, 527 | 2001 December 20
NIRSPEC

Georgakakis, Antonis E.; Forbes, Duncan A.; Brodie, Jean P.
The globular cluster system of the young elliptical NGC 6702
MNRAS, 324 (4), 785 | 2001 July
LRIS

Giavalisco, Mauro; Dickinson, Mark
Clustering Segregation with Ultraviolet Luminosity in Lyman Break Galaxies at z~3 and Its Implications
ApJ, 550, 177 | 2001 March 20
LRIS

Goodrich, R. W.; Campbell, R.; Chaffee, F. H.; et. al.
J-Band Spectroscopy of the z = 5.74 Broad Absorption Line Quasar SDSSp J104433.04-012502.2
ApJL, 561, L23 | 2001 November 1
NIRSPEC

Gorjian, Varoujan; Turner, Jean L.; Beck, Sara C.
Infrared Emission from the Radio Supernebula in NGC 5253. A ProtoGlobular Cluster?
ApJL 554, L29 | 2001 June 10
LWS

Guseva, N. G.; Izotov, Y. I.; Papaderos, P.
The evolutionary status of the low-metallicity blue compact dwarf galaxy SBS 0940+544
A&A, 378, 756 | 2001
LRIS

Hamann, Frederick W.; Barlow, T. A.; Chaffee, F. H.; et. al.
High-Resolution Keck Spectra of the Associated Absorption Lines in 3C 191
ApJ 550, 142 | 2001 March 20
HIRES

Hammel, H.B.; Rages, K.; Lockwood, G.W.; et. al.
New Measurements of the Winds of Uranus
Icarus, 153, 2, 229 | 2001 October
AO

Harris, Alan W.; Delbó, Marco; Binzel, Richard P.; Davies, John K.; Roberts, Julie; Tholen, David J.; Whiteley, Robert J.
Visible to Thermal-Infrared Spectrophotometry of a Possible Inactive Cometary Nucleus
Icarus 153, 2, p 332 | 2001
LWS

Harvey, Daniel W. A.; Wilner, David J.; Lada, Charles J.; et. al.
Structure of Protostellar Collapse Candidate B335 Derived from Near-Infrared Extinction Maps
ApJ, 563, 903 | 2001 December 20
NIRC

Heap, Sara R.; Hubeny, Ivan; Lanz, Thierry M.
Properties of the z = 2.73 galaxy, MS1512-cB58
Ap&SS, 277, 263 | 2001
LRIS

Hewett, Paul C.; Foltz, Craig B.; Chaffee, Frederic H.
The Large Bright Quasar Survey. VII. The LBQS and FIRST Surveys
AJ, 122, 518 | 2001 August
LRIS

Holden, B. P.; Stanford, S. A.; Rosati, P.; et. al.
RX J0848+4456: Disentangling a Moderate Redshift Cluster
AJ, 122, 629 | 2001 August
LRIS

Hornschemeier, A. E.; Brandt, W. N.; Garmire, G. P.; et. al.
The Chandra Deep Survey of the Hubble Deep Field-North Area. II. Results from the Caltech Faint Field Galaxy Redshift Survey Area
ApJ 554, 742 | 2001 June 20
LRIS ESI

Hulleman, F.; Tennant, A. F.; van Kerkwijk, M. H.; Kulkarni, S. R.; Kouveliotou, C.; Patel, S. K.
A Possible Faint Near-Infrared Counterpart to the Anomalous X-Ray Pulsar 1E 2259+586
ApJL, 563, L49 | 2001 December 10
LRIS

Im, Myungshin; Faber, S. M.; Gebhardt, Karl; Koo, David C.; Phillips, Andrew C.; Schiavon, Ricardo P.; Simard, Luc; Willmer, Christopher N. A.
Are There Blue, Massive E/S0 Galaxies at z<1? Kinematics of Blue Spheroidal Galaxy Candidates
AJ 122, 750 | 2001 August
LRIS ESI

Israelian, Garik; Rebolo, Rafael; Garcia Lopez, Ramon J.; et. al.
Oxygen in the Very Early Galaxy
ApJ 551, 833 | 2001 April 20
HIRES

Ivans, Inese I.; Kraft, Robert P.; Sneden, Christopher; et. al.
New Analyses of Star-to-Star Abundance Variations among Bright Giants in the Mildly Metal-poor Globular Cluster M5
AJ, 122, 1438 | 2001 September
HIRES

Izotov, Y. I.; Chaffee, F. H.; Green, R. F.
The He Abundance in the Metal-deficient Blue Compact Dwarf Galaxies Tol 1214-277 and Tol 65
ApJ, 562, 727 | 2001 December 1
LRIS

Izotov, Y. I.; Chaffee, F. H.; Schaerer, D.
Deep spectroscopy of the low-metallicity blue compact dwarf galaxy SBS 0335-052
A&A 378, L45 | 2001
LRIS

Izotov, Yuri I.; Chaffee, Frederic H.; Foltz, Craig B.; et. al.
A Spectroscopic Study of Component C and the Extended Emission around I Zw 18
ApJ, 560, 222 | 2001 October 10
LRIS

Jarvis, Matt J.; Rawlings, Steve; Lacy, Mark; Blundell, Katherine M.; Bunker, Andrew J.; Eales, Steve; Saunders, Richard; Spinrad, Hyron; Stern, Daniel; Willott, Chris J.
A sample of 6C radio sources designed to find objects at redshift z > 4 - II. Spectrophotometry and emission-line properties
MNRAS 326, 1563 | 2001
LRIS

Jayawardhana, Ray; Fisher, R. Scott; Telesco, Charles M.; Piña, Robert K.; Barrado y Navascués D.; Hartmann, Lee W.; Fazio, Giovanni G.
Mid-Infrared Imaging of Candidate Vega-like Systems
AJ, 122, 2047 | 2001 October
OSCIR

Jayawardhana, Ray; Wolk, Scott J.; Barrado y Navascués D.; et. al.
Protoplanetary Disks in the Nearest Star-Forming Cloud Mid-Infrared Imaging and Optical Spectroscopy of MBM 12 Members
ApJL 550, L197 | 2001 April 1
OSCIR

Jewitt, David C.; Luu, Jane X.
Colors and Spectra of Kuiper Belt Objects
AJ, 122, 2099 | 2001 October
LRIS

Johnson Jennifer A.; Bolte, Michael
The Ages for Metal-poor Stars
ApJ 554, 888 | 2001 June 20
HIRES

Kelson, Daniel D.; Illingworth, Garth D.; Franx, Marijn; van Dokkum, Pieter G.
The Evolution of Balmer Absorption-Line Strengths in E/S0 Galaxies from z = 0 to z = 0.83
ApJL 552, L17 | 2001 May 1
LRIS

Kirkman, David; Tytler, David; O'Meara, John M.; et. al.
New Hubble Space Telescope Spectra of QSO PG 1718+4807: No Evidence for Strong Deuterium Absorption
ApJ, 559, 23 | 2001 September 20
HIRES

Kirkpatrick, J. Davy; Liebert, James; Cruz, K. L.; et. al.
Three Newly Discovered M-Dwarf Companions of Solar Neighborhood Stars
PASP 113, 814 | 2001 July
LRIS

Kirkpatrick, J. Davy; Dahn, Conard C.; Monet, David G.; et. al.
Brown Dwarf Companions to G-Type Stars. I. Gliese 417B and Gliese 584C
AJ, 121, 3235 | 2001 June
LRIS

Kurtev, R.; Georgiev, L.; Borissova, J.; Li, W. D.; Filippenko, A. V.; Treffers, R. R.
The first known Mira-type variable star in IC 1613
A&A 378, 449 | 2001
LRIS

Lane, B. F.; Zapatero Osorio, M. R.; Britton, M. C.; Martín, E. L.; Kulkarni, S. R.
The Orbit of the Brown Dwarf Binary Gliese 569B
ApJ, 560, 390 | 2001 October 10
AO NIRSPEC

Larsen, Soren S.; Brodie, Jean P.; Elmegreen, Bruce G.; et. al.
Structure and Mass of a Young Globular Cluster in NGC 6946
ApJ 556, 801 | 2001 August 1
HIRES

Lazzati, D.; Covino, S.; Ghisellini, G.; Fugazza, D.; Campana, S.; Saracco, P.; Price, P. A.; Berger, E.; Kulkarni, S.; Ramirez-Ruiz, E.; Cimatti, A.; Della Valle, M.; di Serego Alighieri, S.; Celotti, A.; Haardt, F.; Israel, G. L.; Stella, L.
The optical afterglow of GRB 000911. Evidence for an associated supernova?
A&A 378, 996 | 2001
LRIS

Lehmann, I.; Hasinger, G.; Schmidt, M.; Giacconi, R.; Trümper, J.; Zamorani, G.; Gunn, J. E.; Pozzetti, L.; Schneider, D. P.; Stanke, T.; Szokoly, G.; Thompson, D.; Wilson, G.
The ROSAT Deep Survey. VI. X-ray sources and Optical identifications of the Ultra Deep Survey
A&A 371, 833 | 2001
LRIS

Lentz, Eric J.; Baron, E.; Lundqvist, Peter; et. al.
Analysis of Type IIn SN 1998S. Effects of Circumstellar Interaction on Observed Spectra
ApJ, 547, 406 | 2001 January 20
HIRES

Leonard, Douglas C.; Filippenko, Alexei V.
Spectropolarimetry of the Type II Supernovae 1997ds, 1998A, and 1999gi
PASP 113, 920 | 2001 August
LRIS

Leonard, Douglas C.; Filippenko, Alexei V.; Ardila, David R.; et. al.
Is It Round? Spectropolarimetry of the Type II-P Supernova 1999em
ApJ 553, 861 | 2001 June 1
LRIS

Liu, Michael C.; Graham, James R.
Infrared Surface Brightness Fluctuations of the Coma Elliptical Galaxy NGC 4874 and the Value of the Hubble Constant
ApJL, 557, L31 | 2001 August 10
NIRC

Lopez, B.; Tuthill, P. G.; Danchi, W. C.; Monnier, J. D.; Niccolini, G.
The icy side of Frosty Leo
A&A 377, 90 | 2001
NIRC

Lubin, Lori M.; Sandage, Allan
The Tolman Surface Brightness Test for the Reality of the Expansion. III. Hubble Space Telescope Profile and Surface Brightness Data forEarly-Type Galaxies in Three High-Redshift Clusters
AJ, 122, 1071 | 2001 September
LRIS

Lubin, Lori M.; Sandage, Allan
The Tolman Surface Brightness Test for the Reality of the Expansion. II. The Effect of the Point-Spread Function and Galaxy Ellipticity on the Derived Photometric Parameters
AJ, 121, 2289 | 2001 May
LRIS

Marcy, Geoffrey W.; Butler, R. Paul; Fischer, Debra; et. al.
A Pair of Resonant Planets Orbiting GJ 876
ApJ, 556, 296 | 2001 July 20
HIRES

Marcy, Geoffrey W.; Butler, R. Paul; Vogt, Steven S.; et. al.
Two Substellar Companions Orbiting HD 168443
ApJ 555, 418 | 2001 July 1
AO HIRES

Marsh, K. A.; Bloemhof, E. E.; Koerner, D. W.; Ressler, M. E.
Mid-Infrared Images of the Circumstellar Dust around alpha Scorpii
ApJ 548, 861 | 2001 February 20
MIRLIN

Martin, Christopher; Kern, Brian
Imaging and Spectroscopy of the Multiphase Halo of NGC 4631
ApJ 555, 258 | 2001 July 1
LRIS

Martín, E. L.; Zapatero Osorio, M. R.; Barrado y Navascués, D.; Béjar, V. J. S.; Rebolo, R.
Keck NIRC Observations of Planetary-Mass Candidate Members in the s Orionis Open Cluster
ApJ 558, L117 | 2001 September 10
NIRC
article

Matheson, Thomas; Filippenko, Alexei V.; Li,Weidong; et. al.
Optical Spectroscopy of Type Ib/c Supernovae
AJ 121, 1648 | 2001 March
LRIS

McCarthy, C.; Zuckerman, B.; Becklin, E. E.
Discovery of 14 Nearby Double Stars
AJ, 121, 3259 | 2001 June
NIRC

McDonald, Patrick; Miralda-Escude, Jordi; Rauch, Michael; et. al.
A Measurement of the Temperature-Density Relation in the Intergalactic Medium Using a New Ly alpha Absorption-Line Fitting Method
ApJ, 562, 52 | 2001 November 20
HIRES

McLean, Ian S.; Prato, L.; Kim, Sungsoo S.; et. al.
Near-Infrared Spectroscopy of Brown Dwarfs. Methane and the Transition between the L and T Spectral Types
ApJL, 561, L115 | 2001 November 1
NIRSPEC

Meylan, G.; Sarajedini, A.; Jablonka, P.; Djorgovski, S. G.; Bridges, T.; Rich, R. M.
Mayall II=G1 in M31. Giant Globular Cluster or Core of a Dwarf Elliptical Galaxy?
AJ, 122, 830 | 2001 August
HIRES

Morgan, Nicholas D.; Becker, Robert H.; Gregg, Michael D.; et. al.
The Gravitational Lens Candidate FBQ 1633+3134
AJ, 121, 611 | 2001 February
ESI

Mumma, M. J.; McLean, I. S.; DiSanti, M. A.; et. al.
A Survey of Organic Volatile Species in Comet C/1999 H1 (Lee) Using NIRSPEC at the Keck Observatory
ApJ, 546, 1183 | 2001 January 10
NIRSPEC

Murphy, M. T.; Webb, J. K.; Flambaum, V. V.; Prochaska, J. X.; Wolfe, A. M.
Further constraints on variation of the fine-structure constant from alkali-doublet QSO absorption lines
MNRAS, 327, 1237 | 2001 December 20
HIRES

Murphy, M. T.; Webb, J. K.; Flambaum, V. V.; Churchill, C. W.; Prochaska, J. X.
Possible evidence for a variable fine-structure constant from QSO absorption lines. systematic errors
MNRAS v. 327, 4 p. 1223 | 2001 November
HIRES

Naef, D.; Latham, D. W.; Mayor, M.; et. al.
HD 80606 b, a planet on an extremely elongated orbit
A&A, 375, .L27 | 2001 August
HIRES

O'Brien, K.; Horne, Keith; Boroson, B.; Still, M.; Gomer, R.; Oke, J. B.; Boyd, P.; Vrtilek, S. D.
Keck II spectroscopy of mHz quasi-periodic oscillations in Hercules X-1
MNRAS, 326 (3), 1067 | 2001 September
LRIS

O'Meara, John M.; Tytler, David; Kirkman, David; et. al.
The Deuterium to Hydrogen Abundance Ratio toward a Fourth QSO: HS 0105+1619
ApJ 552, 718 | 2001 May 10
HIRES

Pettini, Max; Bowen, David V.
A New Measurement of the Primordial Abundance of Deuterium. Toward Convergence with the Baryon Density from the Cosmic Microwave Background?
ApJ, 560, 41 | 2001 October 10
HIRES

Pettini, Max; Shapley, Alice E.; Steidel, Charles C.; et. al.
The Rest-Frame Optical Spectra of Lyman Break Galaxies: Star Formation, Extinction, Abundances, and Kinematics
ApJ 554, 981 | 2001 June 20
LRIS NIRC

Pisano, D. J.; Kobulnicky, Henry A.; Guzmán, Rafael; Gallego, Jesús; Bershady, Matthew A.
The Gas Content and Kinematics of Nearby Blue Compact Galaxies. Implications for Studies at Intermediate and High Redshift
AJ, 122, 1194 | 2001 September
HIRES

Prato, L.; Ghez, A. M.; Piña, R. K.; et. al.
Keck Diffraction-limited Imaging of the Young Quadruple Star System HD 98800
ApJ, 549, 590 | 2001 March 1
AO OSCIR NIRC

Prochaska, Jason X.; Wolfe, Arthur M.; Tytler, David; Burles, Scott; Cooke, Jeff; Gawiser, Eric; Kirkman, David; O'Meara, John M.; Storrie-Lombardi, Lisa
The UCSD HIRES/Keck I Damped Lya Abundance Database. I. The Data
ApJS, 137, 21 | 2001 Nov
HIRES
article

Prochaska, Jason X.; Gawiser, Eric; Wolfe, Arthur M.
Galactic Chemical Abundances at z > 3. I. First Results from the Echellette Spectrograph and Imager
ApJ 552, 99 | 2001 May 1
ESI

Quirrenbach, A.; Roberts, J.E.; Fidkowski, K.; et. al.
Keck Adaptive Optics Observations of the Radio Galaxy 3C 294: A Merging System at z=1.786?
ApJ, 556, 108 | 2001 July 20
AO
article

Ramirez, Solange V.; Cohen, Judith G.; Buss, Jeremy; Briley, Michael M.
Abundances in Stars from the Red Giant Branch Tip to Near the Main-Sequence Turnoff in M71. II. Iron Abundance
AJ, 122, 1429 | 2001 September
HIRES

Ramspeck, M.; Heber, U.; Edelmann, H.
Early type stars at high galactic latitudes. II. Four evolved B-type stars of unusual chemical composition
A&A 379, 235 | 2001
HIRES

Ramspeck, M.; Heber, U.; Moehler, S.
Early type stars at high galactic latitudes. I. Ten young massive B-type stars
A&A 378, 907 | 2001
HIRES

Rauch, Michael; Sargent, Wallace L. W.; Barlow, Thomas A.; Carswell, Robert F.
Small-Scale Structure at High Redshift. III. The Clumpiness of the Intergalactic Medium on Subkiloparsec Scales
ApJ, 562, 76 | 2001 November 20
HIRES

Rauch, Michael; Sargent, Wallace L. W.; Barlow, T. A.
Small-Scale Structure at High Redshift. II. Physical Properties of the C IV Absorbing Clouds
ApJ 554, 823 | 2001 June 20
HIRES

Reid, I. Neill; Liebert, James; Schmidt, Gary D.
Discovery of a Magnetic DZ White Dwarf with Zeeman-Split Lines of Heavy Elements
ApJL 550, L61 | 2001 March 20
LRIS

Reid, I. Neill; Burgasser, A. J.; Cruz,K. L.; et. al.
Near-Infrared Spectral Classification of Late M and L Dwarfs
AJ 121, 1710 | 2001 March
LRIS

Ressler, Michael E.; Barsony, Mary
A Luminous Infrared Companion in the Young Triple System WL 20
AJ, 121, 1098 | 2001 February
MIRLIN

Richards, Gordon T.; Fan, Xiaohui; Schneider, Donald P.; et. al.
Colors of 2625 Quasars at 0 AJ, 121, 2308 | 2001 May
LRIS

Riess, Adam G.; Nugent, Peter E.; Gilliland, Ronald L.; et. al.
The Farthest Known Supernova. Support for an Accelerating Universe and a Glimpse of the Epoch of Deceleration
ApJ, 560, 49 | 2001 October 10
LRIS ESI NIRSPEC

Roe, Henry G.; Graham, James R.; McLean, Ian S.; et. al.
The Altitude of an Infrared-bright Cloud Feature on Neptune from Near-Infrared Spectroscopy
AJ, 122, 1023 | 2001 August
NIRSPEC

Schweitzer, Andreas; Gizis, John E.; Hauschildt, Peter H.; et. al.
Analysis of Keck HIRES Spectra of Early L-Type Dwarfs
ApJ 555, 368 | 2001 July 1
HIRES

Shapley, Alice E.; Steidel, Charles C.; Adelberger, Kurt L.; et. al.
The Rest-Frame Optical Properties of z~=3 Galaxies
ApJ, 562,95 | 2001 November 20
LRIS NIRC

Shetrone, Matthew D.; Cote, Patrick; Sargent, W. L. W.
Abundance Patterns in the Draco, Sextans, and Ursa Minor Dwarf Spheroidal Galaxies
ApJ, 548, 592 | 2001 February 20
HIRES

Silvestri, Nicole M.; Oswalt, Terry D.; Wood, Matt A.; et. al.
White Dwarfs in Common Proper Motion Binary Systems: Mass Distribution and Kinematics
AJ, 121, 503 | 2001 January
HIRES

Slanger, T. G.; Cosby, P. C.; Huestis, D. L.; Bida, T. A.
Discovery of the Atomic Oxygen Green Line in the Venus Night Airglow
Science, 291, 463 | 2001 January 19
HIRES

Smartt, S. J.; Crowther, P. A.; Dufton, P. L.; et. al.
Chemical abundances and winds of massive stars in M31, a B-type supergiant and a WC star in OB 10
MNRAS, 325 (1), 257 | 2001 July
HIRES

Smith, Graham P.; Kneib, Jean-Paul; Ebeling, Harald; et. al.
A Hubble Space Telescope Lensing Survey of X-Ray Luminous Galaxy Clusters. I. A383
ApJ 552, 493 | 2001 May 10
LRIS

Soderblom, David R.; Jones, Burton F.; Fischer, Debra
Rotational Studies of Late-Type Stars. VII. M34 (NGC 1039) and the Evolution of Angular Momentum and Activity in Young Solar-Type Stars
ApJ, 563, 334 | 2001 December 10
HIRES

Soifer, B. T.; Neugebauer, G.; Matthews, K.; et. al.
High-Resolution Mid-Infrared Imaging of Infrared-Luminous Starburst Galaxies
AJ, 122, 1213 | 2001 September
MIRLIN LWS

Songaila, Antoinette
The Minimum Universal Metal Density between Redshifts of 1.5 and 5.5
ApJL 561, L153 | 2001 November 10
HIRES ESI

Stasinska, G.; Izotov, Y.
Collisional excitation of hydrogen and the determination of the primordial helium abundance from H II regions
A&A 378, 817 | 2001 November
LRIS

Steeghs, D.; O'Brien, K.; Horne, Keith; Gomer, Richard; Oke, J. B.
Emission-line oscillations in the dwarf nova V2051 Ophiuchi
MNRAS, 323 (2), 484 | 2001 May
LRIS

Steidel, Charles C.; Pettini, Max; Adelberger, Kurt L
Lyman-Continuum Emission from Galaxies at z 3.4
ApJ, 546, 665 | 2001 January 10
LRIS

Stephens, D. C.; Marley, Mark S.; Noll, Keith S.; Chanover, Nancy
L-Band Photometry of L and T Dwarfs
ApJL, 556, L97 | 2001 August 1
NIRC

Stockton, Alan; Ridgway, Susan E.
The Host Galaxy and Environment of the z = 1.195 Quasar 3C 190
ApJ 554, 1012 | 2001 June 20
LRIS NIRC

Takada-Hidai, M.; Takeda, Y.; Sato, S.; Sargent, W. L. W.; Lu, L.; Barlow, T. A.; Jugaku, J.
Oxygen abundance determination in very metal-poor giants: permitted O i lines versus forbidden [O i] lines
NewAR 45, 549 | 2001 July
HIRES

Thompson, D.; Pozzetti, L.; Hasinger, G.; et.al.
The ROSAT deep survey VII. RX J105343+5735: A massive cluster at z=1.263
A&A 377, 778 | 2001
NIRSPEC

Tinney, C. G.; Butler, R. Paul; Marcy, Geoffrey W.; Jones, Hugh R. A.; Penny, Alan J.; Vogt, Steven S.; Apps, Kevin; Henry, Gregory W.
First Results from the Anglo-Australian Planet Search: A Brown Dwarf Candidate and a 51 Peg-like Planet
ApJ, 551, 507 | 2001 April 10
HIRES

Tomsick, John A.; Heindl, William A.; Chakrabarty, Deepto; et. al.
Keck Measurement of the XTE J2123-058 Radial Velocity Curve
ApJL, 559, L123 | 2001 October 1
ESI

Tuthill, Peter G.; Monnier, John D.; Danchi, William C.
A dusty torus around the luminous young star LkHa 101
Nature, 409, 1012 | 2001 February 22

Ueta, Toshiya; Meixner, Margaret; Hinz, Philip M.; Hoffmann, William F.; Brandner, Wolfgang; Dayal, Aditya; Deutsch, Lynne K.; Fazio, Giovanni G.; Hora, Joseph L.
Subarcsecond Mid-Infrared Structure of the Dust Shell around IRAS 22272+5435
ApJ, 557, 831 | 2001 August 20
MIRLIN

van den Bergh, Sidney; Cohen, Judith G.; Crabbe, Christopher
Caltech Faint Galaxy Redshift Survey. XV. Classifications of Galaxies with 0.2 < Z < 1.1 in the Hubble Deep Field North and its Flanking Fields
AJ, 122, 611 | 2001 August
LRIS

van Dokkum, Pieter G.; Stanford, S. A.
A Massive Disk Galaxy at z = 1.34
ApJL 562, L35 | 2001 November 20
LRIS

van Dokkum, Pieter G.; Franx, Marijn; Kelson, Daniel D.; Illingworth, Garth D.
Luminosity Evolution of Field Early-Type Galaxies to z = 0.55
ApJL 553, L39 | 2001 May 20
LRIS

Venn, K. A.; Lennon, D. J.; Kaufer, A.; McCarthy, J. K.; Przybilla, N.; Kudritzki, R. P.; Lemke, M.; Skillman, E. D.; Smartt, S. J.
First Stellar Abundances in NGC 6822 from VLT-UVES and Keck-HIRES Spectroscopy
ApJ, 547, 765 | 2001 February 1
HIRES

Vernet, J.; Fosbury, R. A. E.; Villar-Martín, M.; et. al.
Radio galaxies at z ~ 2.5: Results from Keck spectropolarimetry
A&A, 366, 7 | 2001
LRIS

Williams, Kurtis A.
Serendipitous Discovery of a Cluster of Galaxies with a Peculiar Central Galaxy
AJ, 122, 55 | 2001 July
LRIS

Wilson, J. C.; Kirkpatrick, J. Davy; Gizis, J. E.; et. al.
Three Wide-Separation L Dwarf Companions from the Two Micron All Sky Survey. Gliese 337C, Gliese 618.1B, and HD 89744B
AJ, 122, 1989 | 2001 October
LRIS

Wittman, D.; Tyson, J. A.; Margoniner, V. E.; et. al.
Discovery of a Galaxy Cluster via Weak Lensing
ApJL 557, L89 | 2001 August 20
LRIS

2001