THE ASTRONOMICAL JOURNAL VOLUME 112, NUMBER 6, PAGE 2408 DECEMBER 1996 BVRI LIGHT CURVES FOR 29 TYPE IA SUPERNOVAE MARIO HAMUY National Optical Astronomy Observatories, Cerro Tololo Inter-American Observatory, Casilla 603, La Serena, Chile, and University of Arizona, Steward Observatory, Tucson, Arizona 85721 M. M. PHILLIPS, NICHOLAS B. SUNTZEFF, AND R. A. SCHOMMER National Optical Astronomy Observatories, Cerro Tololo Inter-American Observatory, Casilla 603, La Serena, Chile JOSE MAZA, ROBERTO ANTEZANA, AND MARINA WISCHNJEWSKY Departamento de Astronomia, Universidad de Chile, Casilla 36-D, Santiago, Chile GERALDO VALLADARES, CESAR MUENA, L. E. GONZALEZ, R. AVILES, L. A. WELLS, R. C. SMITH, MAURICIO NAVARRETE, RICARDO COVARRUBIAS, G. M. WILLIGER, ALISTAIR R. WALKER, A. C. LAYDEN, J. H. ELIAS, J. A. BALDWIN, MANUEL HERNANDEZ, HERNAN TIRADO, PATRICIO UGARTE, R. ELSTON, AND NELSON SAAVEDRA National Optical Astronomy Observatories, Cerro Tololo Inter-American Observatory, Casilla 603, La Serena, Chile FELIPE BARRIENTOS, EDGARDO COSTA, PAULINA LIRA, M. T. RUIZ, CLAUDIO ANGUITA, XIMENA GOMEZ, AND P. ORTIZ Departamento de Astronomia, Universidad de Chile, Casilla 36-D, Santiago, Chile M. DELLA VALLE, J. DANZIGER, AND J. STORM La Silla Observatory, European Southern Observatory, Casilla 19001, Santiago, Chile Y-C. KIM, C. BAILYN, E. P. RUBENSTEIN, D. TUCKER, S. CERSOSIMO, R. A. MENDEZ, L. SICILIANO, W. SHERRY, BRIAN CHABOYER, AND R. A. KOOPMANN Yale University, Department of Astronomy, P.O. Box 208101, New Haven, Connecticut 06520-8101 D. GEISLER, A. SARAJEDINI, AND ARJUN DEY National Optical Astronomy Observatories, Kitt Peak National Observatory, P.O. Box 26732, Tucson, Arizona 85726 N. TYSON Department of Astrophysics Sciences, Princeton University, Peyton Hall, Princeton, New Jersey 08544 R. MICHAEL RICH AND R. GAL Department of Astronomy, Columbia University, Mail Code 5242, New York, New York 10027 ROBERT LAMONTAGNE Departement de Physique and Observatoire du mont Megantic, Universite de Montreal, C.P. 6128, Succ. Centre-Ville, Montreal, Canada N. CALDWELL Fred Lawrence Whipple Observatory, P.O. Box 97, 670 Mt. Hopkins Road, Amado, Arizona 85645 PURAGRA GUHATHAKURTA UCO/Lick Observatory, University of California, Santa Cruz, California 95064 A. C. PHILLIPS AND P. SZKODY Department of Astronomy, University of Washington, Seattle, Washington 98195 C. PROSSER AND LUIS C. HO Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, Massachusetts 02138 R. MCMAHAN Department of Physics and Astronomy, University of North Carolina, CB# 3255 Phillips Hall, Chapel Hill, North Carolina 27599-3255 G. BAGGLEY Department of Astrophysics, University of Oxford, Keble Road, Oxford, OX1 3RH, England, United Kingdom K.-P. CHENG California State University, Fullerton, Department of Physics, Fullerton, California 92634 R. HAVLEN Astronomical Society of the Pacific, 390 Ashton Avenue, San Francisco, California 94112 K. WAKAMATSU Physics Department, Gifu University, Gifu, 501-11, Japan K. JANES Department of Astronomy, Boston University, 725 Commonwealth Avenue, Boston, Massachusetts 02215 M. MALKAN AND F. BAGANOFF Division of Astronomy, University of California, Los Angeles, California 90095-1562 P. SEITZER AND M. SHARA Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, Maryland 21218 C. STURCH Computer Sciences Corporation, Space Telescope Science Institute, Homewood Campus, Baltimore, Maryland 21218 J. HESSER Dominion Astrophysical Observatory, 5071 West Saanich Road, R.R. 5, Victoria, BC V8X 4M6, Canada P. HARTIGAN AND J. HUGHES Five College Astronomy Department, University of Massachusetts, Amherst, Massachusetts 01003-4525 D. WELCH Department of Physics and Astronomy, McMaster University, Hamilton, Ontario L8S 4M1, Canada T. B. WILLIAMS Department of Physics and Astronomy, Rutgers University, P.O. Box 849, Piscataway, New Jersey 08855-0849 H. FERGUSON Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge, CB3 OHA, England, United Kingdom P. J. FRANCIS School of Physics, University of Melbourne, Parkville, Victoria 3052, Australia L. FRENCH Wheelock College, 200 The Riverway, Boston, Massachusetts 02215 M. BOLTE Lick Observatory, University of California, Santa Cruz, California 95064 J. ROTH Sky Publishing Corporation, 49 Bay State Road, Cambridge, Massachusetts 02138 S. ODEWAHN School of Physics and Astronomy, University of Minnesota, 116 Church Street, SE, Minneapolis, Minnesota 55455 S. HOWELL Department of Physics and Astronomy, University of Wyoming, Laramie, Wyoming 82071 W. KRZEMINSKI Carnegie Institution of Washington, Las Campanas Observatory, Casilla 601, La Serena, Chile BV(RI)_(KC) light curves are presented for 27 type Ia supernovae discovered during the course of the Calan/Tololo Survey and for two other SNe Ia observed during the same period. Estimates of the maximum light magnitudes in the B, V, and I bands and the initial decline rate parameter Delta m_(15)(B) are also given. (Copyright) 1996 American Astronomical Society.