Astronomy and Astrophysics Supplement Series

Photometry and spectroscopy of the RS CVn system σ Geminorum

X. B. Zhang and R. X. Zhang

Astron. Astrophys. Suppl. Ser., 137 2 (1999) 217-221

Published online: 15 June 1999

DOI: 10.1051/aas:1999485

X. B. Zhang

R. X. Zhang

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