Detection of CO (J=1-0) in the dwarf elliptical galaxy NGC 185

Details Detection of CO (J=1-0) in the dwarf elliptical galaxy NGC 185 Detection of CO (J=1-0) in the dwarf elliptical galaxy NGC 185

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987nascp2466..331w&link_type=abstract

Star formation in galaxies, Proceedings of a conference at the California Institute of Technology, Pasadena, California, June 16

Computer Science

Carbon Monoxide, Dwarf Galaxies, Elliptical Galaxies, Molecular Clouds, Molecular Spectra, Andromeda Galaxy, Hydrogen, Interstellar Matter, Star Formation

Scientific paper

The detection of CO (J = 1-0) emission in the dwarf elliptical galaxy NGC 185 is reported. The presence of massive molecular clouds in this early-type galaxy supports the idea of recent or ongoing stellar formation indicated by the population of blue stars in the center. The CO was detected in two positions in the galaxy, the center, and a prominent dustcloud. The emission profile has two peaks, roughly centered around the systemic velocity. It is found that NGC 185 is overluminous in blue light for its CO luminosity compared with Sc galaxies. This might indicate a higher star-formation efficiency for NGC 185 than for the late-type galaxies.

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