Analysis Of Low-amplitude Variations In The Light Curves Of FF Aqr And HD 185587

Details Analysis Of Low-amplitude Variations In The Light Curves Of FF Aqr And HD 185587 Analysis Of Low-amplitude Variations In The Light Curves Of FF Aqr And HD 185587

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21934817s&link_type=abstract

American Astronomical Society, AAS Meeting #219, #348.17

Astronomy and Astrophysics

Astronomy

Scientific paper

There are unexplained small amplitude variations seen in the B light curves of the eclipsing binary FF Aqr that appear to emanate from the chromospherically active giant. Fourier analysis with the Period04 program performed on data obtained during several eclipses of the hot compact companion showed multiple frequencies with little consistency in their values between each eclipse. Additional variations are also apparent outside of the eclipse.
While investigating the analogous system V1279 Aql for similar variations, it was found that the check star in this field (HD185587) exhibited regular variations and may be a low amplitude Delta Scuti type of variable.

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