Light curve of the optical counterpart of 2A0311-227

Details Light curve of the optical counterpart of 2A0311-227 Light curve of the optical counterpart of 2A0311-227

Apr 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980pasp...92..178w&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 92, Apr.-May 1980, p. 178-182.

Astronomy and Astrophysics

Astronomy

10

Binary Stars, Light Curve, Stellar Spectra, Stellar Spectrophotometry, X Ray Sources, Emission Spectra, Fourier Analysis, H Lines, Power Spectra, Visual Photometry

Scientific paper

Visual and blue light curves are presented for the optical counterpart of the X-ray source 2A0311-227. This system, which is the newest member of the AM Herculis class of binaries, has an orbital period of 81 minutes which also modulates the visual light curve. A Fourier analysis of the data has revealed the presence of a 6-minute oscillation, at least in the visual light curve. Whether or not it is also present in the blue light curve is unclear.

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