The helium-rich star, Sigma Orionis E
By: by Jesse L. Greenstein and George Wallerstein
Contributors: Wallerstein, George; Mount Wilson and Palomar Observatories; Carnegie Institution of Washington; California Institute of Technology
Publisher: Mount Wilson and Palomar Observatories
Published: 1957
Place of publication: Pasedena, Calif
Language: eng
Subjects: Orion (Constellation); Helium; Spectra; Stars
Notes: "Technical Report No. 1."

"AFOSR-TN-57-490."

Research supported by the U.S. Air Force through the Air Force Office of Scientific Research of the Air Research and Development Command.

"Contract No. AF 49(638)-21, Project No. 37506, July 24, 1957"--Cover.

Includes bibliographical references (p. [6]).