Interstellar matter in early-type galaxies. I - IRAS flux densities

Details Interstellar matter in early-type galaxies. I - IRAS flux densities Interstellar matter in early-type galaxies. I - IRAS flux densities

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apjs...70..329k&link_type=abstract

Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 70, June 1989, p. 329-387. Research supported by NASA IRAS Extend

Astronomy and Astrophysics

Astronomy

286

Astronomical Catalogs, Galactic Structure, Infrared Sources (Astronomy), Interstellar Matter, Elliptical Galaxies, Galactic Evolution, Infrared Astronomy Satellite, Spiral Galaxies

Scientific paper

The data from the IRAS satellite were coadded for about 1150 early-type galaxies with apparent magnitudes brighter than 14 mag. The sample selection, averaging procedure, and errors are discussed. Results are reported of galaxies of large angular size compared with the IRAS beamwidth and for a sample of dwarf ellipticals in the Virgo cluster. At 60 and 100 microns, about 45 percent of the ellipticals and 68 percent of the S0 galaxies are detected, showing that a large fraction of these galaxies contain cool interstellar matter.

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