C.D.S. - SIMBAD4 rel 1.8 - 2024.05.11CEST18:53:12 Reference query: 1975A&A....40..277H (1 found) ---------------------------------------------- 1975A&A....40..277H Astronomy and Astrophysics, volume 40, 277-283 (1975) The mass loss from the O 9.5 Ib supergiant zeta Orionis, derived from the Halpha profile. HEARN A.G. -Simbad objects: 6