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2002MNRAS.336..189S - Mon. Not. R. Astron. Soc., 336, 189-196 (2002/October-2)
β Cephei and new pulsating stars in NGC 4755.
STANKOV A., HANDLER G., HEMPEL M. and MITTERMAYER P.
Abstract (from CDS):
In addition, we present the detection of four new variable stars in NGC 4755. We give frequency solutions as indicators of the time-scales and amplitudes of the pulsations. NGC 4755-116 is probably a B2 dwarf with a period of 4.2 d whose variability is caused by a spot or g-mode pulsation. NGC 4755-405 can be considered as a new β Cephei star with two pulsation frequencies. For NGC 4755-215 we found one frequency and for NGC 4755-316 three pulsation frequencies; we suggest that both are new slowly pulsating B stars of short period.
Abstract Copyright: RAS
Journal keyword(s): stars: individual: NGC 4755-F - stars: individual: NGC 4755-G - stars: individual: NGC 4755-I - stars: oscillations - stars: variables: other - open clusters and associations: individual: NGC 4755
Simbad objects: 14
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