Photometric study of two novae in M31

Details Photometric study of two novae in M31 Photometric study of two novae in M31

2003-10-16

arxiv.org/abs/astro-ph/0310466v2

Astron.Astrophys. 415 (2004) 471-476

Astronomy and Astrophysics

Astrophysics

6 pages, 7 figs, Accepted to A&A, replaced with revised version Fri, 16 Oct 2003

Scientific paper

10.1051/0004-6361:20034615

We report $R_cI_c$ light curves of 2 novae in the M31 galaxy which were detected in the four year Nainital Microlensing Survey. One of these novae has been tracked from the initial increase in flux while other has been observed during its descending phase of brightness. The photometry of the first nova during the outburst phase suggests its peak $R_c$ magnitude to be about 17.2 mag with a flux decline rate of 0.11 mag day$^{-1}$ which indicates that it was a fast nova. A month after its outburst, it shows reddening followed by a plateau in $I_c$ flux. The second nova exhibits a bump in $R_c$ and $I_c$, possibly about three weeks after the outburst.

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