SIMBAD references

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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