Photometry of selected variable stars at the South Pole

Details Photometry of selected variable stars at the South Pole Photometry of selected variable stars at the South Pole

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aipc..198..238c&link_type=abstract

IN: Astrophysics in Antarctica (A92-22401 07-89). New York, American Institute of Physics, 1989, p. 238-241.

Astronomy and Astrophysics

Astrophysics

1

Astronomical Photometry, Binary Stars, Variable Stars, Emission Spectra, Light Curve, Southern Sky, Starspots, Telescopes

Scientific paper

Light variations of the many stars of different kinds show multiple periodicities. These are shown in the light curves of both the intrinsic and the close binary stars. The spectra of one group of close binary systems have H and K emission lines. Some of their variations of light curves are described as distorted wave migrating wave. This phenomenon is interpreted as starspots, or spot region, which are observed at different orbital phases. The South Pole is the unique location on earth for the continuous stellar observation. Not only the cycle-to-cycle light variation, but also the eruptive feature can be investigated. In the starspot model, the activity cycle of the stars can be studied in detail.

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