2004A&A...415..471J


Query : 2004A&A...415..471J

2004A&A...415..471J - Astronomy and Astrophysics, volume 415, 471-476 (2004/2-4)

Photometric study of two novae in M31.

JOSHI Y.C., PANDEY A.K., NARASIMHA D., GIRAUD-HERAUD Y., SAGAR R. and KAPLAN J.

Abstract (from CDS):

We report RcIc 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 Rc magnitude to be about 17.2mag with a flux decline rate of 0.11mag/day which indicates that it was a fast nova. A month after its outburst, it shows reddening followed by a plateau in Ic flux. The second nova exhibits a bump in Rc and Ic, possibly about three weeks after the outburst.

Abstract Copyright:

Journal keyword(s): galaxies: individual: M31 - stars: novae, cataclysmic variables

CDS comments: NMS 1 = [DGG2000] J004257.17+410715.4, NMS 2 = [L2001b] J004303.30+411211.3

Simbad objects: 3

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Number of rows : 3
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 11371 1
2 PA 77716 No* 00 42 57.17 +41 07 15.4           ~ 7 1
3 M31N 2001-10a No* 00 43 03.31 +41 12 11.5       17.0   ~ 15 1

    Equat.    Gal    SGal    Ecl

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2021.07.27-06:42:31

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