The far-infrared properties of optically selected emission-line galaxies

Details The far-infrared properties of optically selected emission-line galaxies The far-infrared properties of optically selected emission-line galaxies

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988aj.....96.1192s&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 96, Oct. 1988, p. 1192-1207.

Astronomy and Astrophysics

Astronomy

32

Color-Color Diagram, Far Infrared Radiation, Galactic Radiation, Line Spectra, Sky Surveys (Astronomy), Star Formation, Emission Spectra, H Beta Line, Infrared Astronomy Satellite, Interstellar Extinction, Stellar Luminosity

Scientific paper

A high-sensitivity sample of IRAS-detected emission-line galaxies (ELGs) is used to investigate the FIR properties of these galaxies and the relative selection biases of the UM Curtis Schmidt and IRAS surveys. Color-color diagrams indicate that the FIR emission from the UM ELGs is due primarily to warm dust heated directly by the active star-forming regions that are responsible for the strong optical emission lines. The FIR luminosity of the UM ELGs is found to correlate with both H-beta and blue luminosities, suggesting that the current star-formation rate in these objects is more closely coupled to the past star-formation history than is generally acknowledged.

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