High speed photometry of AM HER

Details High speed photometry of AM HER High speed photometry of AM HER

Jul 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977mnras.180p..35b&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 180, July 1977, p. 35P-39P.

Astronomy and Astrophysics

Astronomy

7

Binary Stars, Dwarf Stars, Stellar Spectrophotometry, Variable Stars, X Ray Stars, Autocorrelation, Shot Noise, Stellar Models, Ubv Spectra, X Ray Astronomy

Scientific paper

High speed photometric observations of AM Herculis have been obtained in several colors. The 186-min variation is found to occur with greater amplitude at longer wavelengths. Autocorrelation analysis of the rapid flickering shows it to be consistent with a shot noise model. The photometric data suggests a dwarf-nova like model in which one side of the cool star is heated by the soft X-rays from the companion.

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