Far-infrared and optical properties of starburst galaxies

Details Far-infrared and optical properties of starburst galaxies Far-infrared and optical properties of starburst galaxies

Apr 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...176....1b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 176, no. 1, April 1987, p. 1-12.

Astronomy and Astrophysics

Astronomy

39

Astronomical Photometry, Galactic Radiation, Infrared Astronomy, Optical Properties, Astronomical Catalogs, Colorimetry, Far Infrared Radiation, H Alpha Line, Ubv Spectra

Scientific paper

The authors have checked whether a simple photometric model can explain the far-infrared and optical properties of both normal and starburst galaxies. With the IMF proposed by Kennicutt (1983) and a larger absorption for stars more massive than 20 M_sun;, the far-infrared activity, infrared excess, UBV colors and Hα equivalent width of normal spirals are well reproduced. The authors have then studied how these photometric quantities are affected by a burst of given strength b and internal extinction Eb(B-V). Diagrams of LIR/LB, (U-B) and Hα equivalent width vs. (B-V) have been obtained which allow to estimate b and Eb(B-V) in a sample of starburst, blue compact and interacting galaxies.

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