V478 Lyrae Revisited: a Current Look at Eclipses and Star Spots

Details V478 Lyrae Revisited: a Current Look at Eclipses and Star Spots V478 Lyrae Revisited: a Current Look at Eclipses and Star Spots

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006javso..34..177h&link_type=abstract

The Journal of the American Association of Variable Star Observers, vol. 34, no. 2, p. 177-187

Computer Science

V478 Lyrae, Star Spots, Eclipsing Binaries

Scientific paper

Differential photometry of V478 Lyr from the 2005 observing season, spanning eighteen orbital cycles, is presented and analyzed. The resulting analyses are compared to previously published data. This study analyzed multiple eclipse cycles and obtained photometry demonstrating additional fluctuations in the light curve of the system. V and I band photometric observations were fit to a two-spot model using several commercially available binary star modeling programs. Spot distributions, relative size, longitudinal separation, and effective temperature have been determined.

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