UBVRI Photometry of the Type IA SN 1994D in NGC 4526

Details UBVRI Photometry of the Type IA SN 1994D in NGC 4526 UBVRI Photometry of the Type IA SN 1994D in NGC 4526

May 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995aj....109.2121r&link_type=abstract

Astronomical Journal v.109, p.2121

Astronomy and Astrophysics

Astronomy

79

Supernovae: Individual: Sn 1994D

Scientific paper

We present optical photometry for the type Ia SN 1994D in NGC 4526 from 1994 March 7 to June 4 starting 13 days before B-band maximum. The light curves of this SN resemble closely those of the "normal" type Ia events SNe 1989B and 1980N, differing only in a slightly faster decline after maximum in VRI. The optical absolute magnitudes of SN 1994D, however, are significantly brighter than those of its near twins, and brighter than those predicted by Phillips [ApJ, 413, L105 (1993)] relationship between decline rate and luminosity. Our small amount of IR photometry of SN 1994D is not inconsistent with that of other type Ia SNe.

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