2003AJ....126.2887S

Query : 2003AJ....126.2887S

2003AJ....126.2887S - Astron. J., 126, 2887-2895 (2003/December-0)

Erupting dwarf novae in the Large Magellanic Cloud.

SHARA M.M., HINKLEY S. and ZUREK D.R.

Abstract (from CDS):

We report the first likely detections of erupting dwarf novae (DNe) in an external galaxy: the Large Magellanic Cloud. Six candidates were isolated from approximately a million stars observed every second night over 11 nights with the Cerro Tololo Inter-American Observatory 8Kx8K Mosaic2 CCD imager. Artificial dwarf nova and completeness tests suggest that we are seeing only the brightest of the LMC DNe, probably SS Cygni-like cataclysmic variables (CVs), but possibly SU UMa type cataclysmics undergoing superoutbursts. We derive crude but useful limits on the LMC DN surface density and on the number of DNe in the LMC. Many thousands of CVs in the Magellanic Clouds can be discovered and characterized with 8 m class telescopes.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: Magellanic Clouds - Stars: Novae, Cataclysmic Variables

Nomenclature: Fig.1, Table 2: SHZ N (Nos 1-6). Fig.8, Table 3: SHZ VN (Nos V1-V7).

Simbad objects: 23

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Number of rows : 23
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 4158 0
2 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
3 V* AR And CV* 01 45 03.2715491016 +37 56 33.237881916   15.929 15.671     ~ 92 0
4 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
5 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
6 OGLE LMC-ECL-17826 EB* 05 30 42.1146690144 -70 47 31.162177140     20.120   19.857 ~ 4 0
7 OGLE LMC-ECL-17852 EB* 05 30 45.31 -70 50 43.2     20.296   19.876 ~ 4 0
8 OGLE LMC-SC2 116679 RR* 05 31 01.2054177288 -70 18 11.235484656   19.67 19.36   18.80 ~ 8 0
9 SHZ 2 CV* 05 31 38.25 -70 38 33.7           ~ 1 0
10 SHZ V5 V* 05 32 33.25 -70 28 48.5           ~ 1 0
11 SHZ V4 V* 05 33 02.97 -70 35 57.6           ~ 1 0
12 SHZ V1 V* 05 33 25.77 -70 52 05.7           ~ 1 0
13 SHZ V3 V* 05 33 28.53 -70 46 08.2           ~ 1 0
14 SHZ 3 CV* 05 34 42.07 -70 49 23.6           ~ 1 0
15 2MASS J05351090-7028007 CV* 05 35 10.90 -70 28 00.8           ~ 1 0
16 2MASS J05352427-7023539 CV* 05 35 24.27 -70 23 53.9           ~ 1 0
17 SHZ 5 CV? 05 35 47.75 -70 24 10.2           ~ 1 0
18 SHZ V7 V* 05 36 39.89 -70 37 53.5           ~ 1 0
19 V* SS Aur CV* 06 13 22.4340408984 +47 44 25.345431780   16.06 15.81     sdBe 272 0
20 V* U Gem CV* 07 55 05.2324414746 +22 00 05.044127985   15.3 14.54     DA 1135 0
21 NGC 2682 OpC 08 51 23.5 +11 48 54           ~ 2528 0
22 V* EM Cyg CV* 19 38 40.1068970904 +30 30 28.332591012     11.90     ~ 270 0
23 V* SS Cyg CV* 21 42 42.8034497592 +43 35 09.867842484 11.07 12.651 12.032 9.326   K5V 1324 1

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