Period changes of OGLE contact binaries (Kubiak+, 2006)

Details Period changes of OGLE contact binaries (Kubiak+, 2006) Period changes of OGLE contact binaries (Kubiak+, 2006)

Jun 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007ycatp005005601k&link_type=abstract

VizieR On-line Data Catalog: J/other/AcA/56.253. Originally published in: 2006AcA....56..253K

Other

Binaries: Eclipsing, Photometry

Scientific paper

Presented are results of determination of secular period changes for 569 contact binaries from the OGLE database with periods shorter than about one day and observations spanning 14 observing seasons. The statistically significant rates of secular changes found for 134 stars are distributed nearly symmetrically around zero with a half-width of the distribution equal to about 3.5x10-7d/yr. The remaining rates are confined within the error distribution with dispersion about 2.3x10-7d/yr. The largest rates of period change that have been found are of the order of 5x10-6d/yr.
(4 data files).

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