Hydrogen alpha observations of RS Canum Venaticorum stars. I II Peg

Details Hydrogen alpha observations of RS Canum Venaticorum stars. I II Peg Hydrogen alpha observations of RS Canum Venaticorum stars. I II Peg

Jan 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984aj.....89..115r&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 89, Jan. 1984, p. 115-118.

Astronomy and Astrophysics

Astronomy

18

Binary Stars, H Alpha Line, Orbital Elements, Starspots, Stellar Spectra, Variable Stars, Emission Spectra, Spectral Line Width, Stellar Motions

Scientific paper

The authors present observations of the active RS CVn variable II Peg made during the 1981 observing season. A marked change in the emission line behavior with phase over that observed several years ago is noted. In addition a unique decrease in the H-alpha emission flux to unprecedented sustained low levels was observed during the summer of 1981.

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