Other
Scientific paper
Sep 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.290..477d&link_type=abstract
In ESA, Infrared Spectroscopy in Astronmy p 477-479 (SEE N90-19084 11-89)
Other
5
Carbon Monoxide, Interacting Galaxies, Line Spectra, Starburst Galaxies, Galactic Nuclei, Galactic Radiation, Infrared Spectroscopy, Star Distribution
Scientific paper
Spectra between 2.0 and 2.5 microns are presented for NGC 1614, NGC 2798, NGC 4565, NGC 6240, NGC 253 and ARP 220. It is shown that the strength of the CO band at 2.36 microns in the nucleus of ARP 220 is abnormally strong; it is suggested that this anomaly may be the result of starburst activity. It is also shown that, in the large aperture spectra of ARP 220 and other starburst galaxies, the strength of the CO band is consistent with a normal stellar population typical of a spiral galaxy. This result suggests that the stellar continuum associated with the starburst is very diluted by the normal population, a situation consistent with the starburst being mostly localized in the nucleus.
Doyon Rene
Joseph Robert D.
Wright Gillian S.
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