Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990liaco..29..105a&link_type=abstract
In ESA, From Ground-Based to Space-Borne Sub-mm Astronomy p 105-109 (SEE N91-21986 13-89)
Astronomy and Astrophysics
Astronomy
3
Cosmic Dust, Galactic Radiation, Galaxies, Infrared Astronomy, Infrared Astronomy Satellite, Interstellar Matter, Millimeter Waves, Radio Sources (Astronomy), Galactic Evolution, Galactic Structure, Mass To Light Ratios, Stellar Systems
Scientific paper
Results of observations of the continuum flux at lambda equal to 1.2 mm of a normal galaxy sample selected from the IRAS (Infrared Astronomy Satellite) point source catalog are reviewed. Nine galaxies out of twelve observed with the IRAM 30 m telescope are detected at better than 3 sigma. The mm fluxes, together with IRAS 100 micron data, are consistent with a dust temperature of approximately 20 K and a dust opacity spectral index of approximately 2. Masses of dust and gas are estimated from these observations following various models of interstellar dust emission.
Andreani Paola
Franceschini Alberto
Roland Jérémie
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