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Science Bibliography

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

2001

176 update 10Oct12

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

Arav, N.; Brotherton, M.; Becker, R.; et. al.
The Intrinsic Absorber in QSO 2359-1241. Keck and Hubble Space Telescope Observations
ApJ 546 140
2001 January
LRIS

Augusto, P.; Browne, I.; Wilkinson, P.; et. al.
B2114+022: a distant radio source gravitationally lensed by a starburst galaxy
MNRAS 326 1007
2001 September
LRIS NIRC

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

Barger, A.; Cowie, L.; Bautz, M.; et. al.
Supermassive Black Hole Accretion History Inferred from a Large Sample of Chandra Hard X-Ray Sources
AJ 122 2177
2001 November
LRIS

Beck, S.; Turner, J.; Gorjian, V.
Infrared Emission from Clusters in the Star-forming Disk of Henize 2-10
AJ 122 1365
2001 September
LWS

Becker, R.; White, R.; Gregg, M.; et. al.
The FIRST Bright Quasar Survey. III. The South Galactic Cap
ApJS 135 227
2001 August
LRIS

Becker, R.; Xiaohui F.; White, R.; 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

Berger, E.; Diercks, A.; Frail, D.; et. al.
GRB 000418: A Hidden Jet Revealed
ApJ 556 556
2001 August
ESI LRIS NIRC

Bittar, J.; Tuthill, P.; Monnier, J.; et. al.
High angular resolution observations in the near infrared and modeling of the peculiar envelope of HD 62623
A&A 368 197
2001 March
NIRC

Blakeslee, J.; Metzger, M.; Kuntschner, H.; Côté, P.
Lensing in the Hercules Supercluster
AJ 121 1
2001 January
LRIS

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

Boesgaard, A.; Deliyannis, C.; King, J.; Stephens, A.
Beryllium in F and G Field Dwarfs from High-Resolution Canada- France-Hawaii Telescope Spectra
ApJ 553 754
2001 June
HIRES

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

Bond, N.; Churchill, C.; Charlton, J.; Vogt, S.
Evidence for Expanding Superbubbles in a Galaxy at z = 0.7443
ApJ 557 761
2001 August
HIRES

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

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

Brotherton, M.; Arav, N.; Becker, R.; et. al.
QSO 2359-1241 A Bright, Highly Polarized, Radio-moderate, Reddened, Low-Ionization Broad Absorption Line Quasar
ApJ 46 134
2001 January
LRIS

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

Carretta, E.; Cohen, J.; Gratton, R.; Behr, 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

Carson, J.; Larkin, J.; McLean, I.; et. al.
Resolved Infrared Spectroscopy of Two High-Redshift Radio Galaxies
ApJ 563 63
2001 December
NIRSPEC

Castro, S.; Pogge, R.; Rich, R. M.; et. al.
Spatial/Spectral Resolution of a Galactic Bulge K3 Giant Stellar Atmosphere via Gravitational Microlensing
ApJL 548 L197
2001 February
HIRES

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

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

Churchill, C.; Vogt, 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 April
LRIS

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

Cohen, J.
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, J.; Behr, B.; Briley, 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

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

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

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

Dawson, S.; Stern, D.; Bunker, A.; et. al.
Serendipitously Detected Galaxies in the Hubble Deep Field
AJ 122 598
2001 August
LRIS

De Breuck, C.; van Breugel, W.; Röttgering, H.; et. al.
Spectroscopy of Ultra-steep-Spectrum Radio Sources
AJ 121 1241
2001 March
LRIS ESI

de Kool, M.; Arav, N.; Becker, R.; et. al.
Keck HIRES Observations of the QSO FIRST J104459.6+365605: Evidence fora Large-Scale Outflow
ApJ 548 609
2001 February
HIRES

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

Delfosse, X.; Forveille, T.; Martín, E. L.; et. al.
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.; Castro, S.; Stern, D.; Mahabal, A.
On the Threshold of the Reionization Epoch
ApJL 560 L5
2001 October
LRIS

Djorgovski, S. G.; Frail, D. A.; Kulkarni, S. R.; et. al.
The Afterglow and the Host Galaxy of the Dark Burst GRB 970828
ApJ 562 654
2001 December
LRIS NIRC

Ebeling, H.; Jones, L.; Fairley, B.; 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
LRIS

Ebeling, H.; Edge, A.; Henry, J.
MACS: A Quest for the Most Massive Galaxy Clusters in the Universe
ApJ 553 668
2001 June
LRIS

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

Ellis, R.; Santos, M.; Kneib, J.; Kuijken, K.
A Faint Star-forming System Viewed through the Lensing Cluster Abell 2218: First Light at z~=5.6?
ApJL 560 L119
2001 October
LRIS ESI

Ellison, S.; Pettini, M.; Steidel, C.; Shapley, A.
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
HIRES LRIS

Fan, X.; Strauss, M.; Richards, G.; 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

Fan, X.; Strauss, M.; Schneider, D.; 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
LRIS

Fan, X.; Narayanan, V.; Lupton, R.; 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

Fernandez, Y.; Jewitt, D.; Sheppard, S.
Low Albedos Among Extinct Comet Candidates
ApJL 553 L197
2001 June
LWS

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

Fischer, D.; Marcy, G.; Butler, R.; 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
HIRES

Forbes, D.; Beasley, M.; Brodie, J.; Kissler-Patig, M.
Age Estimates for Globular Clusters in NGC 1399
ApJL 563 L143
2001 December
LRIS

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

Gawiser, E.; Wolfe, A.; Prochaska, J.; et. al.
First Investigation of the Clustering Environment of Damped Lya Absorbers at z~=4
ApJ 562 628
2001 December
HIRES LRIS

Gehrz, R..; Smith, N.; Jones, B.; et. al.
Keck LWS Images of the Compact Nebula around RY Scuti in theThermal Infrared
ApJ 559 395
2001 September
LWS

Genzel, R.; Tacconi, L.; Rigopoulou, D.; et. al.
Ultraluminous Infrared Mergers. Elliptical Galaxies in Formation?
ApJ 563 527
2001 December
NIRSPEC

Georgakakis, A.; Forbes, D.; Brodie, J.
The globular cluster system of the young elliptical NGC 6702
MNRAS 324 785
2001 July
LRIS

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

Gizis, J.; Kirkpatrick, J.; Wilson, J.
A 2MASS L Dwarf Companion to the Nearby K Dwarf GJ 1048
AJ 121 2185
2001 April
LRIS

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

Gorjian, V.; Turner, J.; Beck, S.
Infrared Emission from the Radio Supernebula in NGC 5253. A ProtoGlobular Cluster?
ApJL 554 L29
2001 June
LWS

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

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

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

Harris, A.; Delbó, M.; Binzel, R.; et. al.
Visible to Thermal-Infrared Spectrophotometry of a Possible Inactive Cometary Nucleus
Icarus 153 332
2001 October
LWS

Harvey, D.; Wilner, D.; Lada, C.; et. al.
Structure of Protostellar Collapse Candidate B335 Derived from Near-Infrared Extinction Maps
ApJ 563 903
2001 December
NIRC

Heap, S.; Hubeny, I.; Lanz, T.
Properties of the z = 2.73 galaxy, MS1512-cB58
Ap&SSS 277 263
2001
LRIS

Hewett, P.; Foltz, C.; Chaffee, F.
The Large Bright Quasar Survey. VII. The LBQS and FIRST Surveys
AJ 122 518
2001 August
LRIS

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

Hornschemeier, A.; Brandt, W.; Garmire, G.; 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
LRIS ESI

Hulleman, F.; Tennant, A.; van Kerkwijk, M.; et. al.
A Possible Faint Near-Infrared Counterpart to the Anomalous X-Ray Pulsar 1E 2259+586
ApJL 563 L49
2001 December
LRIS

Im, Myungshin; Faber, S. M.; Gebhardt, Karl; et. al.
Are There Blue, Massive E/S0 Galaxies at z<1? Kinematics of Blue Spheroidal Galaxy Candidates
AJ 122 750
2001 August
LRIS ESI

Israelian, G.; Rebolo, R.; Garcia Lopez, R.; et. al.
Oxygen in the Very Early Galaxy
ApJ 551 833
2001 April
HIRES

Ivans, I.; Kraft, R.; Sneden, C.; 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.; Chaffee, F.; Foltz, C.; et. al.
A Spectroscopic Study of Component C and the Extended Emission around I Zw 18
ApJ 560 222
2001 October
LRIS

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

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

Jarvis, M.; Rawlings, S.; Lacy, M.; et. al.
A sample of 6C radio sources designed to find objects at redshift z > 4 - II. Spectrophotometry and emission-line properties
MNRAS 326 1563
2001 October
LRIS

Jayawardhana, R.; Wolk, S.; 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
OSCIR

Jayawardhana, R.; Fisher, R.; Telesco, C.; et. al.
Mid-Infrared Imaging of Candidate Vega-like Systems
AJ 122 2047
2001 October
OSCIR

Jewitt, D.; Luu, J.
Colors and Spectra of Kuiper Belt Objects
AJ 122 2099
2001 October
LRIS

Johnson J.; Bolte, M.
The Ages for Metal-poor Stars
ApJ 554 888
2001 June
HIRES

Kaplan, D.; Kulkarni, S.; Murray, S.
Search for a Near-Infrared Counterpart to the Cassiopeia A X-Ray Point Source
ApJ 558 270
2001 September
NIRC

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

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

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

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

Kurtev, R.; Georgiev, L.; Borissova, J.; et. al.
The first known Mira-type variable star in IC 1613
A&A 378 449
2001 November
LRIS

Lane, B.; Zapatero Osorio, M.; Britton, M.; et. al.
The Orbit of the Brown Dwarf Binary Gliese 569B
ApJ 560 390
2001 October
AO NIRSPEC NGS

Larsen, S.; Brodie, J.; Elmegreen, B.; et. al.
Structure and Mass of a Young Globular Cluster in NGC 6946
ApJ 556 801
2001 August
HIRES

Lazzati, D.; Covino, S.; Ghisellini, G.; et. al.
The optical afterglow of GRB 000911. Evidence for an associated supernova?
A&A 378 996
2001 November
LRIS

Lehmann, I.; Hasinger, G.; Schmidt, M.; et. al.
The ROSAT Deep Survey. VI. X-ray sources and Optical identifications of the Ultra Deep Survey
A&A 371 833
2001 June
LRIS

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

Leonard, D.; Filippenko, A.; Ardila, D.; et. al.
Is It Round? Spectropolarimetry of the Type II-P Supernova 1999em
ApJ 553 861
2001 June
LRIS

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

Lis, D.; Serabyn, E.; Zylka, R.; Li, Y.
Quiescent Giant Molecular Cloud Cores in the Galactic Center
ApJ 55 761
2001 April
NIRC

Liu, M.; Graham, J.
Infrared Surface Brightness Fluctuations of the Coma Elliptical Galaxy NGC 4874 and the Value of the Hubble Constant
ApJL 557 L31
2001 August
NIRC

Lopez, B.; Tuthill, P.; Danchi, W.; et. al.
The icy side of Frosty Leo
A&A 377 90
2001 October
NIRC

Lubin, L.; Sandage, A.
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

Lubin, L.; Sandage, A.
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

Luhman, K.
On the MBM 12 Young Association
ApJ 560 287
2001 October
LRIS

Maraston, C.; Kissler-Patig, M.; Brodie, J.; et. al.
The AGB phase-transition outside the local group: K-band observations of young star clusters in NGC 7252
A&A 370 176
2001 April
NIRC

Marcy, G.; Butler, R.; Vogt, S.; et. al.
Two Substellar Companions Orbiting HD 168443
ApJ 555 418
2001 July
AO HIRES NGS

Marcy, G.; Butler, R.; Fischer, D.; et. al.
A Pair of Resonant Planets Orbiting GJ 876
ApJ 556 296
2001 July
HIRES

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

Martin, C.; Kern, B.
Imaging and Spectroscopy of the Multiphase Halo of NGC 4631
ApJ 555 258
2001 July
LRIS

Martín, E.; Zapatero Osorio, M.; Barrado y Navascués, D.; et. al.
Keck NIRC Observations of Planetary-Mass Candidate Members in the s Orionis Open Cluster
ApJ 558 L117
2001 September
NIRC

Matheson, T.; Filippenko, A.; Li,W.; et. al.
Optical Spectroscopy of Type Ib/c Supernovae
AJ 121 1648
2001 March
LRIS

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

McDonald, P.; Miralda-Escude, J.; Rauch, M.; 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
HIRES

McLean, I.; Prato, L.; Kim, 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
NIRSPEC

Meylan, G.; Sarajedini, A.; Jablonka, P.; et. al.
Mayall II=G1 in M31. Giant Globular Cluster or Core of a Dwarf Elliptical Galaxy?
AJ 122 830
2001 August
HIRES

Moran, E.; Kay, L.; Davis, M.; et. al.
A Composite Seyfert 2 X-Ray Spectrum: Implications for the Origin of the Cosmic X-Ray Background
ApJ 556 L75
2001 August

Morgan, N.; Becker, R.; Gregg, M.; et. al.
The Gravitational Lens Candidate FBQ 1633+3134
AJ 121 611
2001 February
ESI

Mumma, M.; McLean, I.; DiSanti, M.; 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
NIRSPEC

Mumma, M.; Dello Russo, N.; DiSanti, M.; et. al.
Organic composition of C/1999 S4 (Linear): a comet formed near Jupiter?
Science 292 1334
2001 May
NIRSPEC

Murphy, M.; Webb, J.; Flambaum, V.; et. al.
Further constraints on variation of the fine-structure constant from alkali- doublet QSO absorption lines
MNRAS 327 1237
2001 December
HIRES

Murphy, M.; Webb, J.; Flambaum, V.; et. al.
Possible evidence for a variable fine-structure constant from QSO absorption lines. systematic errors
MNRAS 327 1223
2001 November
HIRES

Murphy, M.; Webb, J.; Flambaum, V.; et. al.
Possible evidence for a variable fine-structure constant from QSO absorption lines: motivations, analysis and results
MNRAS 327 1208
2001 November
HIRES

Naef, D.; Latham, D.; 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, K.; Boroson, B.; et. al.
Keck II spectroscopy of mHz quasi-periodic oscillations in Hercules X-1
MNRAS 326 1067
2001 September
LRIS

O'Dell, C.; Ferland, G.; Henney, W.
Measurement and Interpretation of Deuterium-Line Emission in the Orion Nebula
ApJ 556 203
2001 July
HIRES

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

Oppenheimer, B.; Saumon, D.; Hodgkin, S.; et. al.
Observations of Ultracool White Dwarfs
ApJ 550 448
2001 March
NIRC

Péroux, C.; Storrie-Lombardi, L.; McMahon, R.; et. al.
Absorption Systems in the Spectra of 66 z > 4 Quasars
AJ 121 1799
2001 April
LRIS

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

Pettini, M.; Bowen, D.
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
HIRES

Pisano, D.; Kobulnicky, H.; Guzmán, R.; Gallego, J.; Bershady, M.
The Gas Content and Kinematics of Nearby Blue Compact Galaxies. Implications for Studies at Intermediate and High Redshift
AJ 122 1194
2001 September
HIRES

Postman, M.; Lubin, L.; Oke, J.
A Study of Nine High-Redshift Clusters of Galaxies. IV. Photometry and Spectra of Clusters 1324+3011 and 1604+4321
AJ 122 1125
2001 September
LRIS

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

Prochaska, J.; Gawiser, E.; Wolfe, A.
Galactic Chemical Abundances at z > 3. I. First Results from the Echellette Spectrograph and Imager
ApJ 552 99
2001 May
ESI

Prochaska, Jason X.; Wolfe, Arthur M.; Tytler, D.; et. al.
The UCSD HIRES/Keck I Damped Lya Abundance Database. I. The Data
ApJS 137 21
2001 November
HIRES

Quirrenbach, A.; Roberts, J.; 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
AO NGS

Ramirez, S.; Cohen, J.; Buss, J.; Briley, 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 November
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 November
HIRES

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

Rauch, M.; Sargent, W.; Barlow, T.; Carswell, R.
Small-Scale Structure at High Redshift. III. The Clumpiness of the Intergalactic Medium on Subkiloparsec Scales
ApJ 562 76
2001 November
HIRES

Reid, I.; Liebert, J.; Schmidt, G.
Discovery of a Magnetic DZ White Dwarf with Zeeman-Split Lines of Heavy Elements
ApJL 550 L61
2001 March
LRIS

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

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

Richards, G.; Fan, X.; Schneider, D.; et. al.
Colors of 2625 Quasars at 0
AJ 121 2308
2001 May
LRIS

Riess, A.; Nugent, P.; Gilliland, R.; et. al.
The Farthest Known Supernova. Support for an Accelerating Universe and a Glimpse of the Epoch of Deceleration
ApJ 560 49
2001 October
LRIS ESI NIRSPEC

Roe, H.; Graham, J.; McLean, I.; et. al.
The Altitude of an Infrared-bright Cloud Feature on Neptune from Near- Infrared Spectroscopy
AJ 122 1023
2001 August
NIRSPEC

Schweitzer, A.; Gizis, J.; Hauschildt, P.; et. al.
Analysis of Keck HIRES Spectra of Early L-Type Dwarfs
ApJ 555 368
2001 July
HIRES

Shapley, A.; Steidel, C.; Adelberger, K.; et. al.
The Rest-Frame Optical Properties of z~=3 Galaxies
ApJ 562 95
2001 November
LRIS NIRC

Shetrone, M.; Cote, P.; Sargent, W.
Abundance Patterns in the Draco, Sextans, and Ursa Minor Dwarf Spheroidal Galaxies
ApJ 548 592
2001 February
HIRES

Silvestri, N.; Oswalt, T.; Wood, M.; et. al.
White Dwarfs in Common Proper Motion Binary Systems: Mass Distribution and Kinematics
AJ 121 503
2001 January
HIRES

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

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

Smith, G.; Kneib, J.; Ebeling, H.; et. al.
A Hubble Space Telescope Lensing Survey of X-Ray Luminous Galaxy Clusters. I. A383
ApJ 552 493
2001 May
LRIS

Smith, G.; Treu, T.; Ellis, R.; et. al.
Near-Infrared Spectroscopy and Hubble Space Telescope Imaging of a Dusty Starburst Extremely Red Object
ApJ 562 635
2001 December
LRIS NIRSPEC

Soderblom, D.; Jones, B.; Fischer, D.
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
HIRES

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

Songaila, A.
The Minimum Universal Metal Density between Redshifts of 1.5 and 5.5
ApJL 561 L153
2001 November
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, K.; et. al.
Emission-line oscillations in the dwarf nova V2051 Ophiuchi
MNRAS 323 484
2001 May
LRIS

Steidel, C.; Pettini, M.; Adelberger, K.
Lyman-Continuum Emission from Galaxies at z 3.4
ApJ 546 665
2001 January
LRIS

Stephens, D.; Marley, M.; Noll, K.; Chanover, N.
L-Band Photometry of L and T Dwarfs
ApJL 556 L97
2001 August
NIRC

Stockton, A.; Ridgway, S.
The Host Galaxy and Environment of the z = 1.195 Quasar 3C 190
ApJ 554 1012
2001 June
LRIS NIRC

Takada-Hidai, M.; Takeda, Y.; Sato, S.; et. al.
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 October
NIRSPEC

Tinney, C.; Butler, R.; Marcy, G.; et. al.
First Results from the Anglo-Australian Planet Search: A Brown Dwarf Candidate and a 51 Peg-like Planet
ApJ 551 507
2001 April
HIRES

Tomsick, J.; Heindl, W.; Chakrabarty, D.; et. al.
Keck Measurement of the XTE J2123-058 Radial Velocity Curve
ApJL 559 L123
2001 October
ESI

Tuthill, P.; Monnier, J.; Danchi, W.
A dusty torus around the luminous young star LkHa 101
Nature 409 1012
2001 February

Ueta, T.; Meixner, M.; Hinz, P.; et. al.
Subarcsecond Mid-Infrared Structure of the Dust Shell around IRAS 22272+5435
ApJ 557 831
2001 August
MIRLIN

van den Bergh, S.; Cohen, J.; Crabbe, C.
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, P.; Franx, M.; Kelson, D.; Illingworth, G.
Luminosity Evolution of Field Early-Type Galaxies to z = 0.55
ApJL 553 L39
2001 May 20
LRIS

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

Venn, K.; Lennon, D.; Kaufer, A.; et. al.
First Stellar Abundances in NGC 6822 from VLT-UVES and Keck-HIRES Spectroscopy
ApJ 547 765
2001 February
HIRES

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

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

Willott, C.; Rawlings, S.; Blundell, K.
Extremely red galaxy counterparts to 7C radio sources
MNRAS 324 1
2001 June
LRIS NIRC

Wilson, J.; Kirkpatrick, J.; Gizis, J.; 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.; Margoniner, V.; et. al.
Discovery of a Galaxy Cluster via Weak Lensing
ApJL 557 L89
2001 August
LRIS

Zuckerman, B.; Webb, R.; Schwartz, M.; Becklin, E.
The TW Hydrae Association: Discovery of T Tauri Star Members Near HR 4796
ApJ 549 L233
2001 March
LRIS