Photometry of an active Algol-type binary HP AUR

Details Photometry of an active Algol-type binary HP AUR Photometry of an active Algol-type binary HP AUR

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.154....1l&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 154, no. 1, April 1989, p. 1-6.

Astronomy and Astrophysics

Astrophysics

4

Eclipsing Binary Stars, Stellar Spectrophotometry, Ubv Spectra, Autoregressive Processes, Brightness, Harmonic Analysis, Light Curve, Power Spectra, Stellar Color

Scientific paper

The short period Algol-type binary HP Aur has been studied on the basis of UBV photometric observations. Its color indexes were found to be (U - B) = 0.14, (B - V) = 0.70, and light curves show nonsymmetrical and obvious photometric disturbances. Autoregressive spectral analysis and harmonic analysis for its light variations were made. The results indicate its brightness variations have the multiplet quasi-periods and low amplitudes. Its photometric solutions have been obtained using the Wilson-Devinney method. Its mass ratio is 0.5631, orbital inclination is 85.0 and it is a detached system. Its basic model has been discussed briefly.

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