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HD 182786

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A photometric study of Be stars located in the seismology fields of COROT Context: In preparation for the COROT mission, an exhaustive photometricstudy of Be stars located in the seismology fields of the mission hasbeen performed. The very precise and long-time-spanned photometricobservations gathered by the COROT satellite will give important clueson the origin of the Be phenomenon. Aims: The aim of this work is tofind short-period variable Be stars located in the seismology fields ofCOROT, and to study and characterise their pulsational properties. Methods: Light curves obtained at the Observatorio de Sierra Nevada,together with data from Hipparcos and ASAS-3 for a total of 84 Be stars,were analysed in order to search for short-term variations. We appliedstandard Fourier techniques and non-linear least-square fitting to thetime series. Results: We found 7 multiperiodic, 21 mono-periodic and 26non-variable Be stars. Short-term variability was detected in 74% ofearly-type Be stars and in 31% of mid- to late-type Be stars. We showthat non-radial pulsations are more frequent among Be stars than inslow-rotating B stars of the same spectral range.Appendix A is only available in electronic form at http://www.aanda.org
Broad-band photometry of selected southern ultraviolet-bright stars. Not Available
Early-type stars detected on UK Schmidt objective-prism plates - III. UKST area 881. Not Available
The Kreinin-Murri Method for Absolute Determination of Equatorial-Star Declinations. Not Available

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观测天体数据

星座:	天鷹座
右阿森松:	19^h26^m17.76^s
赤纬:	-00Â°05'58.0"
视星:	7.969
距离:	763.359 天文距离
右阿森松适当运动:	1.2
赤纬适当运动:	-3.4
B-T magnitude:	8.029
V-T magnitude:	7.974

目录:

适当名称
HD 1989	HD 182786
TYCHO-2 2000	TYC 5131-745-1
USNO-A2.0	USNO-A2 0825-15790465
HIP	HIP 95562

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