2008A&A...492..301H

Query : 2008A&A...492..301H

2008A&A...492..301H - Astronomy and Astrophysics, volume 492, 301-317 (2008/12-2)

Discovery, photometry, and astrometry of 49 classical nova candidates in M81 galaxy.

HORNOCH K., SCHEIRICH P., GARNAVICH P.M., HAMEED S. and THILKER D.A.

Abstract (from CDS):

This paper reports on a search for new classical nova candidates in the M81 galaxy based on archival, as well as recent, new images. We used images from 1999-2007 to search for optical transients in M81. The positions of the identified classical nova candidates were used to study their spatial distribution. Kolmogorov-Smirnov test (KS) and bottom-to-top (BTR) ratio diagnostic were used to analyze the nova candidate distribution and differentiate between the disk and the bulge populations. In total, 49 classical nova candidates were discovered. In this study, we present the precise positions and photometry of these objects, plus the photometry of an additional 9 classical nova candidates found by Neill & Shara (2004AJ....127..816N). With our large sample, we find a different spatial distribution of classical nova candidates when compared to the results of earlier studies. Also, an extraordinarily bright nova was found and studied in detail.

Abstract Copyright: ∼

Journal keyword(s): galaxies: individual: M81 - stars: binaries: close - stars: novae, cataclysmic variables

Nomenclature: Table 2, col(2): M81N YYYY-MMa N=49.

Simbad objects: 52

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Number of rows : 52
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 12643 1
2 M81N 2003-05b No* 09 54 53.85 +69 01 11.1           ~ 1 0
3 M81N 1999-11b No* 09 54 56.16 +69 03 56.8           ~ 1 0
4 M81N 2001-01h No* 09 55 04.31 +69 03 10.0           ~ 1 0
5 M81N 2006-02e No* 09 55 12.21 +69 00 19.1           ~ 1 0
6 M81N 2006-02c No* 09 55 15.16 +69 06 12.1           ~ 1 0
7 M81N 2002-12e No* 09 55 15.68 +69 03 23.5           ~ 1 0
8 M81N 2007-01a No* 09 55 19.75 +69 03 26.0           ~ 1 0
9 M81N 2002-12d No* 09 55 20.81 +69 02 56.5           ~ 1 0
10 M81N 2001-01a No* 09 55 21.08 +69 02 06.4           ~ 1 0
11 M81N 2003-05a No* 09 55 27.19 +69 04 17.1           ~ 1 0
12 M81N 2004-02a No* 09 55 27.47 +69 04 51.6           ~ 1 0
13 M81N 2005-11a No* 09 55 27.53 +69 04 57.3           ~ 1 0
14 M81N 2002-12c No* 09 55 28.30 +69 03 39.9           ~ 1 0
15 M81N 2007-04a No* 09 55 28.58 +69 04 21.6           ~ 1 0
16 M81N 2006-02g No* 09 55 28.62 +69 01 51.2           ~ 1 0
17 M81N 2000-11a No* 09 55 29.50 +69 02 52.4           ~ 1 0
18 M81N 2006-02f No* 09 55 30.40 +69 03 35.6           ~ 1 0
19 M81N 2001-01f No* 09 55 31.12 +69 04 59.5           ~ 1 0
20 M81N 2007-04b No* 09 55 31.30 +69 05 28.9           ~ 3 0
21 M81N 2006-02j No* 09 55 31.59 +69 02 51.7           ~ 1 0
22 M81N 2002-12b No* 09 55 32.30 +69 03 50.0           ~ 1 0
23 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4447 3
24 M81N 2003-09c No* 09 55 33.27 +69 03 37.5           ~ 1 0
25 M81N 2005-12b No* 09 55 33.74 +69 05 40.5           ~ 1 0
26 M81N 2004-02b No* 09 55 33.82 +68 58 32.6           ~ 1 0
27 M81N 2006-02b No* 09 55 33.98 +69 03 36.3           ~ 1 0
28 M81N 1999-11a No* 09 55 34.11 +69 01 49.1           ~ 1 0
29 M81N 2004-02c No* 09 55 34.71 +69 04 20.3           ~ 1 0
30 M81N 2006-02a No* 09 55 35.49 +69 04 08.6           ~ 1 0
31 M81N 2006-02h No* 09 55 35.84 +69 03 55.7           ~ 1 0
32 M81N 2006-02i No* 09 55 36.27 +69 03 11.2           ~ 1 0
33 M81N 2001-01e No* 09 55 36.77 +69 04 03.5           ~ 1 0
34 M81N 2001-01d No* 09 55 39.49 +69 02 46.8           ~ 1 0
35 M81N 2006-03b No* 09 55 39.52 +69 01 33.3           ~ 1 0
36 M81N 2003-09a No* 09 55 40.76 +69 02 35.5           ~ 1 0
37 M81N 2006-02d No* 09 55 40.76 +69 03 31.1           ~ 1 0
38 M81N 2006-12a No* 09 55 41.29 +69 04 20.8           ~ 1 0
39 M81N 2001-01c No* 09 55 42.54 +69 03 36.8           ~ 1 0
40 M81N 2006-12b No* 09 55 43.01 +69 03 56.8           ~ 1 0
41 M81N 2004-09a No* 09 55 43.22 +69 03 40.9           ~ 1 0
42 M81N 2006-01a No* 09 55 44.16 +69 02 58.4           ~ 1 0
43 M81N 2006-03a No* 09 55 50.82 +69 04 03.8           ~ 1 0
44 M81N 2003-09b No* 09 55 53.81 +69 02 10.6           ~ 1 0
45 M81N 2000-12a No* 09 55 54.31 +69 00 50.7           ~ 1 0
46 M81N 2001-01b No* 09 56 03.25 +69 05 12.2           ~ 1 0
47 M81N 2002-12a No* 09 56 03.50 +69 02 50.4           ~ 1 0
48 M81N 2003-05c No* 09 56 07.47 +69 03 57.0           ~ 1 0
49 M81N 2005-01a No* 09 56 08.74 +69 04 24.3           ~ 1 0
50 M81N 2001-01g No* 09 56 09.15 +69 01 06.4           ~ 1 0
51 M81N 2005-12a No* 09 56 15.23 +69 00 56.9           ~ 1 0
52 HZ 44 HS* 13 23 35.2629445608 +36 07 59.544140304 10.186 11.42 11.65 12.00 11.995 sdBN0VIIHe28 417 0

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