Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...413..150l&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 413, no. 1, p. 150-165.
Astronomy and Astrophysics
Astronomy
11
Disk Galaxies, Early Stars, Infrared Astronomy Satellite, Molecular Gases, Star Formation, Density Distribution, Interstellar Gas, Spiral Galaxies
Scientific paper
The distribution of the molecular and atomic gases and their relationships with the current star formation in NGC 7625 was examined in detail using high-resolution images of H alpha, H I, and CO line observations. It is found that molecular gas in NGC 7625 is mostly confined to the central 3.5 kpc of the galaxy. The distribution of the H2 is asymmetric with the peak CO emission displaced about 0.8 kpc to the northwest of the optical peak position. Despite its asymmetric distribution, the velocity field of the H2 is about the same as of a rotating disk with position angle and inclination similar to those of the stellar disk. The H I gas extends to about twice the Holberg radius and does not seem to be directly connected to the current star formation.
Li Jonathan G.
Sage Leslie J.
Seaquist Ernest R.
Wang Zhong
Wrobel Joan M.
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