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HD 45260


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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

Supplement to the Mount Wilson Catalogue and Bibliography of Stars of Classes B and a whose Spectra have Bright Hydrogen Lines.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1943ApJ....98..153M&db_key=AST

Discovery and Observations of Stars of Class Be. Third Paper.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1942ApJ....96...15M&db_key=AST

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Observation and Astrometry data

Constellation:Licorne
Right ascension:06h26m06.35s
Declination:-09°23'50.6"
Apparent magnitude:9.017
Proper motion RA:-5.3
Proper motion Dec:3.5
B-T magnitude:9.083
V-T magnitude:9.023

Catalogs and designations:
Proper Names
HD 1989HD 45260
TYCHO-2 2000TYC 5368-649-1
USNO-A2.0USNO-A2 0750-02157759
HIPHIP 30621

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