Classification of OGLE Variables in Galactic Bulge

Details Classification of OGLE Variables in Galactic Bulge Classification of OGLE Variables in Galactic Bulge

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997jass...14..207k&link_type=abstract

Journal of Astronomy and Space Sciences, vol. 14, no. 2, p. 207-215.

Astronomy and Astrophysics

Astronomy

Scientific paper

The miscellaneous variables observed by OGLE Project of searching for dark matter in our Galaxy have been analyzed to find their characteristics. We investigated evolutionary status, shape of light curve, relationship between orbital period and amplitude of light variation ofr the miscellaneous variables. The miscellaneous variables except ellipsoidal variables are subgiants or giants. The shapes of the light curves are similar to those of nearby RS DVn type stars. The amplitudes of the light variations decrease rapidly as increasing their orbital periods for the variables whose periods are shorter than 30 days, while the amplitudes decrease slowly for the variables whose periods are longer than 30 days. Thus the OGLE miscellaneous variables are classified as the RS CVn type stars.

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