APT Observations of the Slowly Pulsating B Star HD 21071

Details APT Observations of the Slowly Pulsating B Star HD 21071 APT Observations of the Slowly Pulsating B Star HD 21071

Dec 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...195.7513m&link_type=abstract

American Astronomical Society, 195th AAS Meeting, #75.13; Bulletin of the American Astronomical Society, Vol. 31, p.1482

Astronomy and Astrophysics

Astronomy

Scientific paper

In this paper we report on an analysis of the pulsating B star HD21071. This star was found to be a variable with a period of 0.84 days by Waelkens. et. al. (1998, A&A, 330, 215) through an analysis of Hipparcos photometry. We put it on the observing program of the Four College Consortium Automatic Photoelectric Telescope (FCAPT) in late 1998. We have confirmed the Hipparcos period finding a period of 0.841 day period (1.19 c/d) in both the Hipparcos and the FCAPT data. We have also tentatively identified a second term with a period of 0.870 days (1.15 c/d) in both the Hipparcos and the FCAPT data. Observations of this star are continuing. This work has been supported in part by NSF grants as #AST86-16362, #AST91-15114, #AST95-28906 to the College of Charleston.

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