Photometric Study of the Eccentric-Orbit Binary V1147 Cygni

Details Photometric Study of the Eccentric-Orbit Binary V1147 Cygni Photometric Study of the Eccentric-Orbit Binary V1147 Cygni

Mar 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006pasp..118..436w&link_type=abstract

The Publications of the Astronomical Society of the Pacific, Volume 118, Issue 841, pp. 436-441.

Astronomy and Astrophysics

Astronomy

3

Stars: Binaries: Eclipsing, Stars: Individual (V1147 Cyg)

Scientific paper

We report photometric observations, an analysis of the resulting light curve, and a preliminary model for the eclipsing binary V1147 Cygni (GSC 2660-2608 mV=12.0). V1147 Cyg is a detached eclipsing system of A-type stars. The sidereal period of the system is 15.2513228(7) days, with an eccentric orbit of e = 0.275(12) and evidence of apsidal motion on the order of 0.80d(11) per century. Our analysis indicates that the stars are well separated and should yield precise main-sequence dimensions. Thus, this is a valuable system in several respects.

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