The components of mid- and far-infrared emission from S0 and early-type shell galaxies

Details The components of mid- and far-infrared emission from S0 and early-type shell galaxies The components of mid- and far-infrared emission from S0 and early-type shell galaxies

Feb 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....97..363t&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 97, Feb. 1989, p. 363-374.

Astronomy and Astrophysics

Astronomy

30

Elliptical Galaxies, Emission Spectra, Far Infrared Radiation, Color-Color Diagram, Flux Density, Infrared Astronomy Satellite, Interstellar Gas, Star Formation Rate

Scientific paper

The IRAS database has been used to study detections of about 150 early-type elliptical and S0 galaxies exhibiting a shell structure. No strong evidence for the expected enhancement of either star formation rates or heating of the interstellar medium is found. It is suggested that for some of the sample galaxies either a contribution from warm dust surrounding evolved stars or emission from an active nucleus may be significant.

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