Astronomy and Astrophysics – Astronomy
Scientific paper
May 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987nascp2466..217c&link_type=abstract
Star formation in galaxies, Proceedings of a conference at the California Institute of Technology, Pasadena, California, June 16
Astronomy and Astrophysics
Astronomy
Astronomical Catalogs, Galactic Structure, Star Formation, Stellar Luminosity, Dust, Flux Density, Infrared Astronomy Satellite, Peculiar Galaxies
Scientific paper
Twenty-six galaxies from the Infrared Astronomy Satellite (IRAS) point source catalog were observed at 250 and 1300 microns. The Far Infrared (FIR) spectra from 25 to 1300 microns are interpreted in terms of two dust components of about 16 and 53 K. Flux densities at 1300 microns are used to estimate the total gas mass Mg. The warm dust luminosity LW is considered to be proportional to Mg0.9 in the mass range 3 x 10 to the 8th is equal to or less than Mg/solar mass is equal to or less than 10 to the 12th power. The efficiency of star formation seems to be four times higher in barred and peculiar galaxies than in Sc types.
Chini Rolf
Kreysa Ernst
Kruegel Endrick
Mezger Peter G.
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