Multiband Optical Photometry and Bolometric Light Curve of the Type Ia Supernova 2004S

Details Multiband Optical Photometry and Bolometric Light Curve of the Type Ia Supernova 2004S Multiband Optical Photometry and Bolometric Light Curve of the Type Ia Supernova 2004S

2005-04-07

arxiv.org/abs/astro-ph/0504183v1

Mon.Not.Roy.Astron.Soc. 360 (2005) 662-668

Astronomy and Astrophysics

Astrophysics

8 pages, 5 figures, accepted for publication in MNRAS

Scientific paper

10.1111/j.1365-2966.2005.09059.x

We present $\rm BVR_{c}I_{c}$ broad band CCD photometry of the Type Ia supernova SN 2004S, which appeared in the galaxy MCG-05-16-021, obtained during 2004 February 12 to March 22. Multiband and bolometric light curves constructed using our data as well as other available data are presented. The time of B band maximum and the peak magnitudes in different bands are obtained using the fits of light curve and colour templates. We clearly see a strong shoulder in $\rm R_{c}$ band and a second maximum in $\rm I_{c}$ band. SN 2004S closely resembles SN 1992al after maximum. From the peak bolometric luminosity we estimate the ejected mass of $\rm ^{\rm 56}Ni$ to be 0.41 $\rm M_{\odot}$.

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