Nearby dwarf galaxies: Dust masses and their implications

Details Nearby dwarf galaxies: Dust masses and their implications Nearby dwarf galaxies: Dust masses and their implications

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992eocm.rept..219s&link_type=abstract

In ESA, Environment Observation and Climate Modelling Through International Space Projects. Space Sciences with Particular Empha

Astronomy and Astrophysics

Astrophysics

Cosmic Dust, Dwarf Galaxies, Intergalactic Media, Interstellar Matter, Abundance, Luminosity, Metallicity

Scientific paper

About 40 percent of the galaxies in the extragalactic neighborhood have been identified with sources of the IRAS Point Source catalog. In most cases the infrared radiation is due to heated interstellar dust in the galaxies. The dust masses in dwarf systems have been estimated using simple models of dust clouds. There is no clear relation between the luminosity and the estimated dust mass of a galaxy. The gas to dust ratio in the interstellar medium of the dwarfs is more than one order of magnitude larger than in the interstellar medium of the Galaxy confirming the well known fact of low metal abundance in low luminosity systems.

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