Optical and Infrared Photometry of the Nearby Type Ia Supernovae 1999ee, 2000bh, 2000ca, and 2001ba

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© 2004. The American Astronomical Society. All rights reserved. Printed in U.S.A.
, , Citation Kevin Krisciunas et al 2004 AJ 127 1664 DOI 10.1086/381911

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Author affiliations

1 Las Campanas Observatory, Carnegie Observatories, Casilla 601, La Serena, Chile

2 Cerro Tololo Inter-American Observatory, National Optical Astronomy Observatory, Casilla 603, La Serena, Chile

3 Observatories of the Carnegie Institution of Washington, 813 Santa Barbara Street, Pasadena, CA 91101-1292

4 Departmento de Astronomía, Universidad de Chile, Casilla 36-D, Santiago, Chile

5 Departamento de Astronomía y Astrofisica, Universidad Católica de Chile, Casilla 104, Santiago 22, Chile

6 Department of Astronomy, Ohio State University, 140 West 18th Avenue, Columbus, OH 43210

7 European Southern Observatory, Casilla 19001, Santiago, Chile; lgermany@eso.org

8 Lawrence Berkeley Laboratory, MS 50-F, 1 Cyclotron Road, Berkeley, California 94720

9 National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China

10 Max-Planck-Institut für Astrophysik, Karl-Schwarzschild-Strasse 1, D-85741 Garching, Germany

11 Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218

12 Department of Physics and Astronomy, Rutgers University, 136 Frelinghuysen Road, Piscataway, NJ 08855-0849

13 Deceased

Dates

  1. Received 2003 October 15
  2. Accepted 2003 November 19
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1538-3881/127/3/1664

Abstract

We present near-infrared photometry of the Type Ia supernova (SN) 1999ee; also, optical and infrared photometry of the Type Ia SNe 2000bh, 2000ca, and 2001ba. For SNe 1999ee and 2000bh, we present the first-ever SN photometry at 1.035 μm (the Y band). We present K-corrections that transform the infrared photometry in the observer's frame to the supernova rest frame. Using our infrared K-corrections and stretch factors derived from optical photometry, we construct JHK templates that can be used to determine the apparent magnitudes at maximum if one has some data in the window -12 to +10 days with respect to T(Bmax). Following up previous work on the uniformity of V minus IR loci of Type Ia supernovae of midrange decline rates, we present unreddened loci for slow decliners. We also discuss evidence for a continuous change of color at a given epoch as a function of decline rate.

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10.1086/381911