Dust extinction and the initial mass function in the starburst galaxy M82

Details Dust extinction and the initial mass function in the starburst galaxy M82 Dust extinction and the initial mass function in the starburst galaxy M82

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.249p..11p&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 249, March 1, 1991, p. 11P-15P.

Astronomy and Astrophysics

Astronomy

36

Cosmic Dust, Interstellar Extinction, Irregular Galaxies, Starburst Galaxies, Stellar Mass, Emission Spectra, Galactic Nuclei, Line Spectra, Near Infrared Radiation, Recombination Reactions, Supergiant Stars

Scientific paper

The apparently low extinction toward the nucleus of M82 inferred from optical and near-IR recombination line and continuum studies may be reconciled with the much larger values inferred from mid-IR and longer wavelength measurements, if the dust and radiating sources are well mixed along the line-of-sight. Existing near-IR data, which potentially could delineate the three-dimensional dust distribution, are of insufficient accuracy. If the large extinction derived from long-wavelength data attenuates the emission from giant and supergiant stars, then the initial mass function in M82 may be deficient in low-mass stars.

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