Low-amplitude variations detected by CoRoT in the late type Be star HD 175869

Details Low-amplitude variations detected by CoRoT in the late type Be star HD 175869 Low-amplitude variations detected by CoRoT in the late type Be star HD 175869

Jul 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009coast.158..208g&link_type=abstract

"Communications in Asteroseismology, Vol.158, p. 208 Proceedings of "38th Liege International Astrophysical Colloquium: Evoluti

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Scientific paper

We present the analysis of the CoRoT data of the B8IIIe star HD 175869 observed during a short run (27.3 days). The light curve shows low-amplitude variations of the order of 0.3 mmag. A frequency within the range determined for the rotational frequency and its 5 harmonics are detected. Other significant frequencies with a low amplitude of a few ppm are also found. The analysis of line profiles from ground-based spectroscopic data does not show any variation.

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