English

Photometric study of two novae in M31

Astrophysics 2016-08-16 v2

Abstract

We report RcIcR_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 RcR_c magnitude to be about 17.2 mag with a flux decline rate of 0.11 mag day1^{-1} which indicates that it was a fast nova. A month after its outburst, it shows reddening followed by a plateau in IcI_c flux. The second nova exhibits a bump in RcR_c and IcI_c, possibly about three weeks after the outburst.

Keywords

Cite

@article{arxiv.astro-ph/0310466,
  title  = {Photometric study of two novae in M31},
  author = {Y. C. Joshi and A. K. Pandey and D. Narasimha and Y. Giraud-Héraud and R. Sagar and J. Kaplan},
  journal= {arXiv preprint arXiv:astro-ph/0310466},
  year   = {2016}
}

Comments

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