Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...375..479i&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 375, July 10, 1991, p. 479-483.
Astronomy and Astrophysics
Astrophysics
26
Astronomical Models, Galactic Evolution, High Temperature Gases, Supernovae, Galactic Structure, Globular Clusters, Molecular Clouds
Scientific paper
The critical physical properties of a protogalaxy whose interstellar medium is composed of cool clouds and hot ambient gas in pressure equilibrium are presented. The key physical processes are the microscopic atomic process which underlies the cooling function and the star formation process and its associated energy injection. Feedback processes are incorporated by allowing the energy injection from star formation triggered by cloud-cloud collisions to heat the protogalactic gas. The physical properties derived for these protogalactic systems could be useful in interpreting high-redshift objects that may be associated with galaxy formation.
Ikeuchi Satoru
Norman Colin A.
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