A determination of the galactic condensation from certain zones of the Astrographic catalogue
By: by Frederick H. Seares ...
Series: Contributions from the Mount Wilson Observatory.; no. 135
Published: 1917
Place of publication: [Chicago
Language: eng
Number of pages: 21
Subjects: Stars -- Distribution.; Milky Way.
Notes: Cover-title.
At head of title: Carnegie Institution of Washington.
"Reprinted from the Astrophysical Journal, vol. XLVI, 1917."