Publications of the Astronomical Society of the Pacific, Vol. 111, No. 759 (May 1999), pp. 571-586 (16 pages) ABSTRACT Observations of a group of S‐type symbiotic stars are presented: Hen 828, Hen 905 ...
ABSTRACT New spectroscopic and photometric observations of V380 Cygni, a bright early B‐type binary with an eccentric orbit and an evolved primary, B1.5 II–III, make possible a thorough study of this ...