Peculiar morphologies of four IRAS galaxies

Details Peculiar morphologies of four IRAS galaxies Peculiar morphologies of four IRAS galaxies

Jan 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pasp..103...35c&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 103, Jan. 1991, p. 35-48.

Astronomy and Astrophysics

Astronomy

3

Disk Galaxies, Galactic Structure, Infrared Sources (Astronomy), Radio Galaxies, Spiral Galaxies, Charge Coupled Devices, Galactic Nuclei, Infrared Astronomy Satellite, Star Formation, Supernovae, Visible Spectrum

Scientific paper

Optical and radio data that reveal the peculiar morphologies of four IRAS galaxies are discussed. NGC 1620 is shown to have an off-center arclike structure of 3 kpc radius that may be the largest supernova-blown bubble known. UGC 2982 is an ongoing merger of two gas-rich galaxies. It is shown that the UGC 3004/3005 pair is not interacting despite the proximity of its components. UGC 3004 is a regular barred spiral galaxy. A second nucleus in the edge-on system UGC 3005 suggests a recent merger. Finally, IRAS 23385 + 0300 is one of the most infrared-luminous galaxies known.

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