Nuclear emission in spiral nebulae
By: by Carl K. Seyfert.
Series: Contributions from the Mount Wilson observatory ;; no. 671
Published: 1943
Place of publication: [Chicago
Language: eng
Number of pages: 13
Subjects: Nebulae.; Stars -- Spectra.
Other titles: Spiral nebulae
Notes: Includes bibliographical references.
At head of title: Carnegie institution of Washington.
"Reprinted from the Astrophysical journal, vol. 97, 1943."