Systematic corrections to magnitudes and an extension of the polar sequence
By: by Frederick H. Seares ...
Series: Contributions from the Mount Wilson Observatory.; no. 472
Published: 1933
Place of publication: [Chicago
Language: eng
Number of pages: 15
Subjects: Stars -- Magnitudes.; Stars -- Photographic measurements.
Notes: Cover-title.
At head of title: Carnegie Institution of Washington.
"Reprinted from the Astrophysical Journal, vol. LXXVIII, 1933."