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Title:
Infrared galaxies - Evolutionary stages of massive star formation
Authors:
Harwit, M.; Pacini, F.
Affiliation:
AA(Cornell University, Ithaca, N.Y.), AB(Cornell University, Ithaca, N.Y; CNR, Laboratorio di Astrofisica Spaziale, Frascati, Italy)
Publication:
Astrophysical Journal, vol. 200, Sept. 15, 1975, pt. 2, p. L127-L129. (ApJL Homepage)
Publication Date:
09/1975
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
Galactic Structure, Infrared Astronomy, Star Formation, Supernovae, Thermal Emission, Astrophysics, Galactic Evolution, Galactic Radiation, Stellar Mass
Comment:
A&AA ID. AAA014.158.057
DOI:
10.1086/181913
Bibliographic Code:
1975ApJ...200L.127H

Abstract

We cite evidence which indicates that infrared galaxies may represent evolutionary stages during which a large number of massive stars are being formed. The lifetimes of these stars would be rather short (1-10 million years), and the resulting supernova explosions could account for the level of nonthermal activity which often accompanies the thermal infrared emission.

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