Stars having spectra of class B.
Series: Annals of the Astronomical Observatory of Harvard College -- v. 56, no. 2
Publisher: The Observatory
Published: 1912
Place of publication: Cambridge, Mass
Language: eng
Number of pages: 40
Subjects: Stars; Classification; Spectra
Other titles: Miscellaneous investigations forming a part of the Henry Draper memorial
Notes: Chiefly tables.

Caption title.

"Edward C. Pickering, director"--Vol. t.p.

Article issued before Mar. 1905.

Includes appendix.