Cerro Tololo Inter-American Observatory

FISCAL YEAR 2001

FOURTH QUARTER REPORT

October 2000 to September 2001 Publication List

Albrow, M.D., et al 2001, ApJ, 549, p. 759, "PLANET Observations of Microlensing Event OGLE-1999-BUL-23: Limb-darkening Measurement of the Source Star"

Albrow, M.D., et al. 2001, ApJ, 556, L113, "Limits of the Abundance of Galactic Planets from 5 Years of PLANET Observations"

Alcock, C., et al. 2000, ApJ, 542, p. 281, "The MACHO Project: Microlensing Results from 5.7 Years of Large Magellanic Cloud Observations"

Alcock, C., et al. 2001, ApJ, 550, L169, "MACHO Project Limits on Black Hole Dark Matter in the 1-30 M(.) Range"

Alcock, C., et al. 2001, ApJ, 552, p. 259, "MACHO 96-LMC-2: Lensing of a Binary Source in the Large Magellanic Cloud and Constraints on the Lensing Object"

Alcock, C., et al. 2001, ApJ, 554, p. 298, "The MACHO Project LMC Variable Star Inventory. X. The R Coronae Borealis Stars"

Allen, R.L., Bernstein, G.M., Malhotra, R. 2001, ApJ, 549, L241, "The Edge of the Solar System"

Alves, D.R., Bond, H.E., Onken, C. 2001, AJ, 121, p.318, "CCD Photometry of the Globular Cluster NGC 5986 and its Post-Asymptotic Giant Branch and RR Lyrae Stars"

Anthony-Twarog, B., Twarog, B.A. 2000, AJ, 120, p. 3111, "CCD uvbyH_ Photometry in Clusters. II. The Nearest Globular Cluster, NGC 6397"

Asplund, M., et al. 2000, A&A, 353, p. 287, "The R Coronae Borealis Stars - Atmospheres and Abundances"

Baron, E., et al. 2000, ApJ, 545, p. 444, "Preliminary Spectral Analysis of the Type II Supernova 1999em"

Barrado y Navascuis, D., et al. 2001, ApJS, 134, p. 103, "Very Low-Mass Stars and Brown Dwarfs of the Young Open Cluster IC 2391"

Battinelli, P., Demers, S. 2000, AJ, 120, p. 1801, "A Carbon Star Survey of the Local Group Dwarf Galaxies. II. Pegasus, DDO 210, and Tucana"

Beaulieu, J.P., et al. 2000, ASP Conf. 219, eds. Garzsn, Eiroa, de Winter, Mahoney (ASP), p. 550, "The PLANET Microlensing Collaboration Search for Extrasolar Planets: Status Report"

Bergeron, P., Leggett, S.K., Ruiz, M.T. 2001, ApJS, 133, p. 413, "Photometric and Spectroscopic Analysis of Cool White Dwarfs with Trigonometric Parallax Measurements"

Bing-Chih Chen, A., et al. 2000, AJ, 120, p. 2569, "Spectral Energy Distribution and Abundances of NGC 288 Stars"

Bing-Chih Chen, A., et al. 2001, AJ, 121, p. 309, "Constraining the Local Reddening Distribution of SA 98 By Star Counts"

Blum, R.D., Conti, P.S., Damineli, A. 2000, ASP Conf. 221, eds. Alloin, Olsen, Galaz (ASP), p. 109, "The Stellar Content of Obscured Galactic Giant H II Regions"

Blum, R.D., Damineli, A., Conti, P.S. 2001, AJ, 121, p. 3149, "The Stellar Content of Obscured Galactic Giant H II Regions. III. W31"

Bronfman, L., May, J., Luna, A. 2000, ASP Conf. 217, eds. Mangum, Radford (ASP), p. 66, "A CO Survey of the Southern Galaxy"

Chandar, R., Bianchi, L., Ford, H.C. 2000, AJ, 120, p. 3088, "Spectroscopy of Star Cluster Candidates and H II Regions in NGC 6822"

Chapman, S.C., McCarthy, P.J., Persson, S.E. 2000, AJ, 120, p. 1612, "Radio Galaxy-Selected Clusters at High Redshift and Associated Extremely Red Object Overdensities"

Chun Yu, K., et al. 2000, AJ, 120, p. 1974, "A Multiwavelength Study of Outflows in OMC-2/3"

Clocchiatti, A., et al. 2001, ApJ, 553, p. 886, "The Type Ic SN 1990B in NGC 4568"

Coil, A.L., et al. 2000, ApJ, 544, L-111, "Optical Spectra of Type Ia Supernovae at ? = 0.46 and ? = 1.2"

Cole, A.A., Smecker-Hane, T.A., Gallagher III, J.S. 2000, AJ, 120, p. 1808, "The Metallicity Distribution Function of Red Giants in the Large Magellanic Cloud"

Cole, A.A. 2001, ApJ, 559, L17, "The 2MASS Color-Magnitude Diagram of the Center of the Sagittarius Dwarf Galaxy: Photometric Measurements of a Surprisingly High Mean Metallicity"

Comersn, F., et al. 2001, A&A, 366, p. 796, "Possible Star Formation in the Halo of NGC 253"

Corradi, R.L.M., et al. 2001, ApJ, 553, p. 211, "The Southern Crab from a New Perspective"

Costa, E., 2001, A&A, 367, p. 719, "CCD Astrometry of Faint Compact Extragalactic Radio Sources. II."

Courteau, S., et al. 2000, ApJ, 544, p. 636, "Shellflow. I. The Convergence of the Velocity Field at 6000 Kilometers per Second"

Crowl, H.H., et al. 2001, AJ, 122, p. 220, "The Line-of-sight Depth of Populous Clusters in the Small Magellanic Cloud"

Cypriano, E.S., et al. 2001, AJ, 121, p. 10, "Gravitational Lensing by Nearby Clusters of Galaxies"

Dale, D.A., et al. 2001, AJ, 121, p. 1886, "Signatures of Galaxy-Cluster Interactions: Spiral Galaxy Rotation Curve Asymmetry, Shape, and Extent"

Danforth, C.W., Chu Y-H. 2001, ApJ, 552, L159, "The Interstellar Medium Interactions of a Runaway Luminous Blue Variable Nebula in the Large Magellanic Cloud"

Davidge, T.J. 2000, AJ, 120, p. 1853, "A Near-Infrared Photometric Survey of Metal-Poor Inner Spheroid Globular Clusters and Nearby Bulge Fields"

De Buizer, J.M., Piqa, R.K., Telesco, C.M. 2000, ApJS, 130, p. 437, "Mid-Infrared Imaging of Star-Forming Regions Containing Methanol Masers"

Dinescu, D.I., et al. 2000, AJ, 120, p. 1892, "The Absolute Proper Motion of Palomar 12: A Case for Tidal Capture from the Sagittarius Dwarf Spheroidal Galaxy"

Dohm-Palmer, R.C., et al. 2000, AJ, 120, p. 2496, "Mapping the Galactic Halo. II. Photometric Survey"

Drake, N., de la Reza, R., da Silva, L. 2000, IAU Symp. 198, eds. da Silva, Spite, de Medeiros (ASP), p. 502, "Lithium-Rich K Giants with Infrared Excesses: Fundamental Parameters and CNO Abundances"

Finlator, K., et al. 2000, AJ, 120, p. 2615, "Optical and Infrared Colors of Stars Observed by the Two Micron All Sky and the Sloan Digital Sky Survey"

Forbes, D. 2000, AJ, 120, p. 2594, "The Serpens OB2 Association and its Thermal "Chimney""

Forte, J.C., et al. 2001, AJ, 121, p. 1992, "The Globular Cluster System of the Low-Luminosity Elliptical Galaxy NGC 1427"

Francis, P.J., et al. 2001, ApJ, 554, p. 1001, "A Pair of Compact Red Galaxies at Redshift 2.38, Immersed in a 100 Kiloparsec Scale Lya Nebula"

Fraquelli, H.A., Storchi-Bergmann, T. 2000, ASP Conf. 221, eds. Alloin, Olsen, Galaz (ASP), p. 217, "The ISM Properties of Seyfert Galaxies: the ENLR"

Gdnsicke, B.T., et al. 2001, A&A, 374, p. 656, "HST/STIS Spectroscopy of the Exposed White Dwarf in the Short-period Dwarf Nova EK TrA"

Garnett, D.R., Chu, Y. 2000, ApJ, 545, p. 251, "The He II Emitting Nebula N44C in the Large Magellanic Cloud: Optical/Ultraviolet Spectroscopy of the Nebula and Its Ionizing Star"

Gaustad, J.E., et al. 2000, ASP Conf. 220, eds. Percy, Wilson (ASP), p. 169, "The Southern H-Alpha Survey: An Amateur-Professional Collaboration"

Ghavamian, P., et al. 2001, ApJ, 547, p. 995, "Balmer-dominated Spectra of Nonradiative Shocks in the Cygnus Loop, RCW 86, and Tycho Supernova Remnants"

Gsmez, M., Kenyon, S.J. 2001, AJ, 121, p. 974, "A Near-Infrared Imaging Survey of the Chamaeleon I Dark Cloud"

Gonzalez Delgado, D., et al. 2001, A&A, 372, p. 885, "Imaging of Detached Shells Around the Carbon Stars R Scl and U Ant Through Scattered Stellar Light"

Greene, J., Bailyn, D., Orosz, J.A. 2001, ApJ, 554, p. 1290, "Optical and Infrared Photometry of the Microquasar GRO J1655-40 in Quiescence"

Gruendl, R.A., et al. 2000, AJ, 120, p. 2670, "A Morphological Diagnostic for Dynamical Evolution of Wolf-Rayet Bubbles"

Gruendl, R.A., et al. 2001, AJ, 122, p.308, "Variable H? Line Emission from the Central Star of the Helix Nebula"

Habing, H.J., et al. 2001, A&A, 365, p. 545, "Incidence and Survival of Remnant Disks Around Main-sequence Stars"

Haines, C.P., et al. 2001, MNRAS, 323, p. 688, "The Galaxy Environment of a Quasar at z= 1.226: A Possible Cluster Merger"

Haines, C.P., Clowes, R.G., Campusano, L.E. 2001, ASP Conf. 232, eds. Clowes, Adamson, Bromage (ASP), p. 117, "The Galaxy Environment of Quasars in the z ~ 1.3 Clowes-Campusano Large Quasar Group"

Hall, P.B., et al. 2000, AJ, 120, p. 2220, "Active Galactic Nuclei in the CNOC2 Field Galaxy Redshift Survey"

Hall, P.B. 2001, ASP Conf. 232, eds. Clowes, Adamson, Bromage (ASP), p. 84, "Faint Quasar Surveys"

Hameed, S., et al. 2001, ApJ, 546, p. L97, "The Discovery of a Giant H? Filament in NGC 7213"

Hamuy, M., et al. 2001, ApJ, 558, p. 615, "The Distance to SN 1999em from the Expanding Photosphere Method"

Hasegawa, T., et al. 2000, MNRAS, 316, p. 326, "Large-scale Structure of Galaxies in the Ophiuchus Region"

Hoard, D.W., et al. 2000, PASP, 112, p. 1595, "Long-Term Optical and X-Ray Observations of the Old Novae DI Lacertae and V841 Ophiuchi"

Hoard, D.H., et al. 2001, PASP, 113, p. 82, "Distance to the RR Lyrae Star V716 Monocerotis"

Hoard, D.W., Wachter, S., Kim-Quijano, J. 2001, PASP, 113, p. 482, "Optical Photometry of the Double-lined Cataclysmic Variable Phoenix 1"

Huchra, J.P., et al. 2000, ASP Conf. 218, eds. Kraan-Korteweg, Henning, Andernach (ASP), p. 101, "Near IR Surveys and the Nearby Universe"

Hunter, D.A., et al. 2001, ApJ, 553, p. 121, "The Interstellar Medium of Star-forming Irregular Galaxies: The View with ISO"

Jain, R.K., et al. 2001, ApJ, 554, L181, "Multiwavelength Observations of the Black Hole Candidate XTE J1550- 564 During the 2000 Outburst"

Jaxon, E.G., et al. 2001, PASP, 113, p. 1130, "Spectroscopic Classification of 42 Large Magellanic Cloud OB Stars: Selection of Probes for the Hot Gaseous Halo of the Large Magellanic Cloud"

Kovacs, G., Walker, A.R. 2001, A&A, 371, p. 579, "Empirical Relations for Clusters RR Lyrae Stars Revisited"

Krisciunas, K., et al. 2001, AJ, 122, p. 1616, "Optical and Infrared Photometry of the Type Ia Supernovae 1999da, 1999dk, 1999gp, 2000bk, and 2000ce"

Lentz, E.J., et al. 2001, ApJ, 547, p. 406, "Analysis of Type IIn SN 1998S: Effects of Circumstellar Interaction on Observed Spectra"

Lopez, S., et al. 2001, A&A, 366, p. 387, "Slit Spectroscopy of Nine New z ? 3 Southern QSOs: Damped Ly ? and Lyman-limit Systems"

Lubowich, D.A., et al. 2000, IAU Symp. 198, eds. da Silva, Spite, de Medeiros (ASP), p. 377, "The Lithium Abundance and Mass Loss Rate in Galactic Super-Li-Rich Carbon and S Stars"

Margoniner, V.E., et al. 2001, ApJ, 548, L143, "The Butcher-Oemler Effect in 295 Clusters: Strong Redshift Evolution and Cluster Richness Dependence"

Massey, P., DeGioia-Eastwood, K., Waterhouse, E. 2001, AJ, 121, p. 1050, "The Progenitor Masses of Wolf-Rayet Stars and Luminous Blue Variables Determined from Cluster Turnoffs. II. Results from 12 Galactic Clusters and OB Associations"

Massey, P., Duffy, A.S. 2001, ApJ, 550, p. 713, "A Search for Wolf-Rayet Stars in the Small Magellanic Cloud"

McCullough, P.R., et al. 2001, ASP Conf. 231, eds. Woodward, Bicay, Shull (ASP), p. 366, "Imaging the Entire Southern Sky in Ha"

Melbourne, J., Sarajedini, A., et al. 2000, AJ, 120, p. 3127, "CCD Photometry of the Globular Cluster NGC 4833 and Extinction Near the Galactic Plane"

Mindez, R.A., Ruiz, M.T. 2001, ApJ, 547, p. 252, "The Luminosity Function of Magnitude and Proper-Motion-selected Samples: The Case of White Dwarfs"

Mindez, R.A., Ruiz, M.T. 2000, ASP Conf. 221, eds. Alloin, Olsen, Galaz (ASP), p. 153, "The Interplay of Observational Errors Through Numerical Simulations Using the 1/Vmax Method for Magnitude and Proper-motion Samples of Local Disk White Dwarfs"

Michael, E., et al. 2000, ApJ, 542, L-53, "Hubble Space Telescope Spectroscopy of Spot 1 on the Circumstellar Ring of SN 1987A"

Morgan, N.D., et al. 2001, ASP Conf. 237, eds. Brainerd, Kochanek (ASP), p. 45, "CTQ 839: Gravitational Lens or Binary Quasar?"

Morrison, H.L., et al. 2001, AJ, 121, p. 283, "Mapping the Galactic Halo. IV. Finding Distant Giants Reliably with the Washington System"

Nazi, Y., et al. 2001, AJ, 122, p. 921, "Interstellar Bubbles in Two Young H II Regions"

Nelson, B.O., Malkan, M.A. 2001, ASP Conf. 224, eds. Peterson, Polidan, Pogge (ASP), p. 141, "Simultaneous Optical-Infrared Monitoring of 51 AGN During 1994-1995"

Neuhduser, R., et al. 2000, A&AS, 146, p. 323, "Search for Young Stars Among ROSAT All-Sky Survey X-Ray Sources in and Around the R CrA Dark Cloud"

Niemela, V.S., Seggewiss, W., Moffat, A.F.J. 2001, A&A, 369, p. 544, "The Nature of Sk -67018 in the Large Magellanic Cloud: A Multiple System with an O3f* Component"

Nikolaev, S., et al. 2000, AJ, 120, p. 3340, "A Global Photometric Analysis of 2MASS Calibration Data"

Oey, M.S., et al. 2000, ASP Conf. 221, eds. Alloin, Olsen, Galaz (ASP), p. 79, "Calibrating Nebular Diagnostics of T* and Abundance"

Olsen, K.A.G. 2000, ASP Conf. 221, eds. Alloin, Olsen, Galaz (ASP), p. 125, "Stars, Gas, and Dust at the Center of LMC-4"

Olsen, K.A.G., Kim, S., Buss, J.F. 2001, AJ, 121, p. 3075, "A Comprehensive Look at LH 72 in the Context of the Supergiant Shell LMC 4"

Orosz, J.A., et al. 2001, Black Holes in Binaries and Galactic Nuclei: Diagnostics, Demography and Formation, ed. Kaper, van den Heuvel, Woudt (Springer), p. 59, "YALO Observations of 4U 1543-47"

Pallavicini, R., et al. 2000, IAU Symp. 198, eds. da Silva, Spite, de Medeiros (ASP), p. 350, "Lithium in Young Open Clusters"

Palunas, P., Williams, T.B. 2000, AJ, 120, p. 2884, "Maximum Disk Mass Models for Spiral Galaxies"

Parker, J.W.M., et al. 2001, AJ, 121, p. 891, "Ultraviolet and Optical Observations of OB Associations and Field Stars in the Southwest Region of the Large Magellanic Cloud"

Peimbert, M., Peimbert, A., Ruiz, M.T. 2000, ApJ, 541, p. 688, "The Chemical Composition of the Small Magellanic Cloud H II Region NGC 346 and the Primordial Helium Abundance"

Piroux, C., et al. 2001, AJ, 121, p. 1799, "Absorption Systems in the Spectra of 66z ?4 Quasars"

Peterson, R.C., et al. 2001, ApJ, 547, p. 240, "Hot Horizontal-Branch Stars in the Galactic Bulge. I."

Piatti, A.E., et al. 2001, MNRAS, 325, p. 792, "Ages and Metallicities of Five Intermediate-age Star Clusters Projected Towards the Small Magellanic Cloud"

Platais, I., et al. 2001, AJ, 122, p. 1486, "WIYN Open Cluster Study, VII. NGC 2451A and the Hipparcos Distance Scale"

Points, S.D., et al. 2001, ApJS, 136, p. 99, "Large-Scale Diffuse X-Ray Emission from the Large Magellanic Cloud"

Rafferty, T.J., Zacharias, N., Urban, S.E. 2001, ASP Conf. 232, eds. Clowes, Adamson, Bromage (ASP), p. 308, "The USNO CCD Astrograph Catalog - UCAC"

Raimann, D., Storchi-Bergmann T. 2000, ASP Conf. 221, eds. Alloin, Olsen, Galaz (ASP), p. 213, "Nuclear Activity and Star Formation in AGNs"

Raimann, D., et al. 2001, MNRAS, 324, p. 1087, "Stellar Population Gradients in Normal and Active Galaxies"

Riess, A.G. 2000, PASP, 112, p. 1284, "The Case for an Accelerating Universe from Supernovae"

Rose, J.A., et al. 2001, AJ, 121, p. 793, "Starbursts Versus Truncated Star Formation in Nearby Clusters of Galaxies"

Rubenstein, E.P. 2000, ASP Conf. 221, eds. Alloin, Olsen, Galaz (ASP), p. 167, "Metallicity, Age & the Color-Period Relation for Contact Binaries"

Rubenstein, E.P. 2001, AJ, 121, p. 3219, "The Effect of Stellar Evolution on Population II Contact Binaries in the Period-Color Relation. I. Equal-Mass, Marginal Contact Systems"

Rubio, M., et al. 2000, ASP Conf. 221, eds. Alloin, Olsen, Galaz (ASP), p. 9, "Multiwavelength Observations of N66 in the Small Magellanic Cloud"

Ruiz, M.T., et al. 2001, ApJS, 133, p. 119, "Calan-ESO Proper-Motion Catalog"

Ruiz, M.T., et al. 2001, ApJ, 552, p. 679, "CE 315: A New Interacting Double-Degenerate Binary Star"

Ruiz, M.T., Bergeron, P. 2001, ApJ, 558, p. 761, "White Dwarfs in the Calan-ESO Survey"

Sarajedini, A., et al. 2000, AJ, 120, p. 2437, "Hubble Space Telescope WFPC2 Photometry of M33: Properties of the Halo Star Clusters and Surrounding Fields"

Saunders, W., et al. 2000, ASP Conf. 218, eds. Kraan-Korteweg, Henning, Andernach (ASP), pag. 153, "The Behind The Plane Survey"

Schmidt, R.E. 2001, Optical Detectors for Astronomy II, ed. P. Amico, J.W. Beletic (Kluwer Academic Publishers), p. 71, "CTIO Detectors: Present Status and Future Plans"

Schommer, R.A., Jannuzi, B.T., Dey, A. 2001, ASP Conf. 232, eds. Clowes, Adamson, Bromage (ASP), p. 443, "The NOAO Deep Wide-Field Survey"

Silvestri, N.M., et al. 2001, AJ, 121, p. 503, "White Dwarfs in Common Proper Motion Binary Systems: Mass Distribution and Kinematics"

Silvestri, N.M., et al. 2001, ASP Conf. 226, eds. Provencal, Shipman, MacDonald, Goodchild (ASP), p. 246, "The Mass Distribution and Kinematics of White Dwarfs in Wide Binary Systems"

Schmidtke, P.C., Cowley, A.P. 2001, AJ, 122, p. 1569, "Synoptic Observations of the Supersoft Binary MR Velorum (RX J0925.7-4758): Determination of the Orbital Period"

Smith, D.R., et al. 2001, ASP Conf. 237, eds. Brainerd, Kochanek (ASP), p. 397, "Galaxy-Galaxy Lensing in the LCRS Fields"

Smith, M.G., 2001, IAU Symp. 196, eds. Cohen, Sullivan (ASP), p. 39, "Controlling Light Pollution in Chile: A Status Report"

Smith, R. 2001, Optical Detectors for Astronomy II, eds. Amico, Beletic (Kluwer Academic Publishers), p. 345, "Cloud Monitoring with CCDs"

Smith, R.C., et al. 2000, ASP Conf. 221, eds. Alloin, Olsen, Galaz (ASP), p. 83, "The UM/CTIO Magellanic Cloud Emission-line Survey (MCELS)"

Smith, R.J., et al. 2001, ASP Conf. 232, eds. Clowes, Adamson, Bromage (ASP), p. 138, "The NOAO Fundamental Plane Survey of X-ray Selected Galaxy Clusters to 200h-1 Mpc"

Squires, G.K., Tyson J.A. 2001, ASP Conf. 225, eds. Brunner, Djorgovski, Szalay (ASP), p. 21, "Gravitational Lensing with the NVO"

Storchi-Bergmann, T., et al. 2000, ApJ, 544, p. 747, "The Frequency of Nuclear Star Formation in Seyfert 2 Galaxies"

Strassmeier, K.G. 2001, ASP Conf. 223, eds. Garcma Lspez, Rebolo, Zapatero Osorio (ASP), p. 271, "Latest Results in Doppler Imaging"

Su, K.Y.L., Hrivnak, B. J., Kwok, S. 2001, AJ, 122, p. 1525, "High-Resolution Imaging of Proto-Planetary Nebulae: The Effects of Orientation"

Teplitz, H.I., et al. 2001, ApJ, 548, p. 127, "Wide-Field Imaging of the Hubble Deep Field-South Region. II. The Evolution of Galaxy Clustering at ? <1"

Thompson, I.B., et al. 2001, AJ, 121, p. 3089, "Cluster Ages Experiment: The Age and Distance of the Globular Cluster ? Centauri Determined from Observations of the Eclipsing Binary OGLEGC 17"

Tokovinin, A.A., Gorynya, N.A. 2001, A&A, 374, p. 227, "New Spectroscopic Components in Multiple Systems. IV."

Tucker, D.L., Smith, J.A., Brinkmann, J. 2001, ASP Conf. 232, eds. Clowes, Adamson, Bromage (ASP), p. 13, "The Sloan Digital Sky Survey Standard Star Network"

Tustin, A.W., et al. 2001, AJ, 122, p. 1289, "H-Band and Spectroscopic Properties of A1644"

Tyson, J.A., et al. 2001, ASP Conf. 237, eds. Brainerd, Kochanek (ASP), p. 299, "Mass Distribution in Normal Clusters"

Van de Steene, G.C., Jacoby, G.H. 2001, A&A, 373, p. 536, "Radio Observations of New Galactic Bulge Planetary Nebulae"

Verner, E.M., et al. 2000, ApJ, 543, p. 831, "Continuum Pumping of [Fe II] in the Orion Nebula"

Vivas, A.K., et al. 2001, ApJ, 554, L33, "The QUEST RR Lyrae Survey: Confirmation of the Clump at 50 Kiloparsecs and Other Overdensities in the Outer Halo"

Wallerstein,G., Gonzalez, G. 2001, PASP, 113, p. 954, "The Spectrum of VY Canis Majoris in 2000 February"

Weiner, B.J., et al. 2001, ApJ, 546, p. 916, "The Disk and Dark Halo Mass of the Barred Galaxy NGC 4123. I. Observations"

White III, R.E., Keel, W.C., Conselice, C.J. 2000, ApJ, 542, p. 761, "Seeing Galaxies Through Thick and Thin. I. Optical Opacity Measures in Overlapping Galaxies"

Wilkes, B.J., et al. 2001, ASP Conf. 232, eds. Clowes, Adamson, Bromage (ASP), p. 47, "The Chandra Multi- wavelength Project (ChaMP): a Serendipitous Survey with Chandra Archival Data"

Williams, R.E., et al. 2000, AJ, 120, p. 2735, "The Hubble Deep Field South: Formulation of the Observing Campaign"

Williger, G.M., Campusano, L.E., Clowes, R.G. 2001, ASP Conf. 232, eds. Clowes, Adamson, Bromage (ASP), p. 114, "Mg II Absorbers Toward a Large Quasar Group at 1.20 < z < 1.38"

Winn, J.N., et al. 2001, AJ, 121, p. 1223, "A Nearly Symmetric Double-Image Gravitational Lens"

Wisotzki, L., et al. 2001, ASP Conf 237, eds. Brainerd, Kochanek (ASP), p. 63, "Discovery of a New Multiple Gravitationally Lensed QSO"

Wittman, D., et al. 2001, ApJ, 557, L89, "Discovery of a Galaxy Cluster Via Weak Lensing"

Wittman, D., Tyson J.A., Kirkman, D. 2001, ASP Conf. 237, eds. Brainerd, Kochanek, p. 355, "The Shear Correlation Functions to 30' "

Zacharias, N., et al. 2000, AJ, 120, p. 2131, "The First US Naval Observatory CCD Astrograph Catalog"