SIMBAD references

2011MNRAS.411..813K - Mon. Not. R. Astron. Soc., 411, 813-825 (2011/February-3)

On the nature of the variable star UNSW-V-760.

KOEN C.

Abstract (from CDS):

The results of multicolour photometric monitoring over several nights of the probable X-ray source UNSW-V-760 are presented. Drawing on both present and past observations, it is shown that the star is multiperiodic and that all the variability can probably be explained by two non-sinusoidal periodicities with periods of 0.276 and 0.198 d. Possible causes (binarity, rotation and oscillation) of the variations are discussed and it is concluded that pulsation must play a role. A classification in the range K1Vke-K3Vke is derived from two low-dispersion spectra. Curiously, the pulsation periods are closer to what is expected for a K giant star, but the amplitudes are two orders of magnitude larger than those seen in K giants.

Abstract Copyright: 2010 The Author. Journal compilation2010 RAS

Journal keyword(s): stars: individual: UNSW-V-760 - stars: variables: general

Simbad objects: 10

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