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2000ApJ...538..608S - Astrophys. J., 538, 608-622 (2000/August-1)
A new probe of the molecular gas in galaxies: application to M101.
SMITH D.A., ALLEN R.J., BOHLIN R.C., NICHOLSON N. and STECHER T.P.
Abstract (from CDS):
In this picture, the ISM is virtually all molecular in the inner parts of M101. The strong decrease of the H I column density in the inner disk of the galaxy at RG<10 kpc is a consequence of a strong increase in the dust-to-gas ratio there, resulting in an increase of the H2 formation rate on grains and a corresponding disappearance of hydrogen in its atomic form.
Abstract Copyright: ∼
Journal keyword(s): Galaxies: Individual: Messier Number: M101 - Galaxies: ISM - ISM: Clouds - ISM: Molecules - Radio Lines: Galaxies - Ultraviolet: Galaxies
Nomenclature: p.611: [SAB2000] HHMMSS.ss+DDMMSS.s N=2. p.612: [SAB2000] Source A (Nos A-C). Table 2: [SAB2000] HHMMSS.ss+DDMMSS.s N=35.
Simbad objects: 57