Outside-eclipse H-alpha spectra of five eclipsing binaries

Details Outside-eclipse H-alpha spectra of five eclipsing binaries Outside-eclipse H-alpha spectra of five eclipsing binaries

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989cha%26a..13...61c&link_type=abstract

Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 13, March 1989, p. 61-68. Translation.

Astronomy and Astrophysics

Astrophysics

3

Eclipsing Binary Stars, H Alpha Line, Spectrum Analysis, Stellar Spectra, Auriga Constellation, Cygnus Constellation, Error Analysis, Peculiar Stars

Scientific paper

H-alpha spectra for five binary systems Epsilon Aur, Zeta Aur, 31 Cyg, 32 Cyg and 22 Vul, were obtained using a 1 m refractor coude spectrograph and a 2.1 coude Reticon. After reduction, the equivalent widths and radial velocities of the H-alpha line are obtained. Short time scale variations in the H-alpha emission were shown in Epsilon Aur. The profiles of 31 Cyg and 32 Cyg were found to be very similar.

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