2005MNRAS.359..677K

Query : 2005MNRAS.359..677K

2005MNRAS.359..677K - Mon. Not. R. Astron. Soc., 359, 677-682 (2005/May-2)

Cluster Ages Experiment (CASE): Detection of a dwarf nova in the globular cluster M55.

KALUZNY J., PIETRUKOWICZ P., THOMPSON I.B., KRZEMINSKI W., SCHWARZENBERG-CZERNY A., PYCH W. and STACHOWSKI G.

Abstract (from CDS):

We report the detection of a dwarf nova (DN) in the core region of the globular cluster M55. Six outbursts were observed during eight observing seasons spanning the period 1997-2004. The variable has an X-ray counterpart detected on images taken with the ROSAT telescope. Although we cannot offer proof of cluster membership, one can see that both the position on the Hertzsprung-Russell diagram and the X-ray flux are consistent with a bright DN at the cluster distance. According to our outburst statistics, no more than one similar DN could remain undetected in our field of view, centred at the cluster core.

Abstract Copyright: 2005 RAS

Journal keyword(s): stars: dwarf novae - novae, cataclysmic variables - globular clusters: individual: M55 - globular clusters: individual: NGC 6809

Nomenclature: Text: CL* NGC 6809 KPT N (No. 1), CL* NGC 6809 KPT BN (No. B1).

Simbad objects: 18

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Number of rows : 18
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 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 3917 0
2 Cl* NGC 104 MAM M54898 CV* 00 24 06.013 -72 04 56.20 19.383   20.411   19.273 ~ 33 0
3 NGC 2158 OpC 06 07 26.9 +24 05 56           ~ 294 0
4 Cl* NGC 5904 SAW V101 CV* 15 18 14.4893282426 +02 05 34.901910063           ~ 31 0
5 M 5 GlC 15 18 33.22 +02 04 51.7     5.95     ~ 1978 0
6 M 80 GlC 16 17 02.41 -22 58 33.9           ~ 716 0
7 M 14 GlC 17 37 36.15 -03 14 45.3   9.55 5.73     ~ 386 0
8 NGC 6624 GlC 18 23 40.51 -30 21 39.7           ~ 886 1
9 Cl* NGC 6624 SZR DN CV* 18 23 41.349 -30 21 56.53           ~ 6 0
10 M 22 GlC 18 36 23.94 -23 54 17.1           ~ 1379 0
11 OGLE BLG-DN-1057 CV* 18 36 24.696 -23 54 35.60     18.77   16.224 ~ 25 0
12 NAME SDG G 18 55 19.0 -30 32 43   4.5 3.6     ~ 2187 2
13 Cl* NGC 6809 KPT B1 Q? 19 39 49.81 -30 53 19.6     20.40     ~ 3 0
14 M 55 GlC 19 39 59.71 -30 57 53.1     6.49     ~ 854 0
15 Cl* NGC 6809 KPT 1 CV* 19 40 08.40 -30 58 48.8   23.2 22     ~ 10 2
16 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3140 0
17 Cl* NGC 7078 CCV V1 CV* 21 29 58.36 +12 10 01.4           ~ 9 0
18 V* SS Cyg CV* 21 42 42.8034497592 +43 35 09.867842484 11.07 12.651 12.032 9.326   K5V 1290 1

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