Starspots and the rotation of the flare star EV Lac

Details Starspots and the rotation of the flare star EV Lac Starspots and the rotation of the flare star EV Lac

Jul 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980aj.....85..871p&link_type=abstract

Astronomical Journal, vol. 85, July 1980, p. 871-874. Research supported by the Norges Almenvitenskapelige Forskningsrad.

Astronomy and Astrophysics

Astronomy

35

Flare Stars, Starspots, Stellar Rotation, Stellar Spectrophotometry, Ubv Spectra, Emission Spectra, H Alpha Line, H Beta Line, Line Spectra, Photosphere, Stellar Atmospheres, Stellar Magnitude

Scientific paper

The magnitude variations of EV Lac outside of flares are discussed. The
star shows the effect of starspots. It is argued that the temperature
difference between the photosphere and the spot region is only a few
hundred degrees. It is noted that the spot group may never disappear
completely from view.

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