Millimeter continuum observations of the active star-forming core of M82

Details Millimeter continuum observations of the active star-forming core of M82 Millimeter continuum observations of the active star-forming core of M82

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...214...29t&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 214, no. 1-2, April 1989, p. 29-32.

Astronomy and Astrophysics

Astrophysics

11

Active Galactic Nuclei, H Ii Regions, Millimeter Waves, Star Formation, Starburst Galaxies, Astronomical Photometry, Chemical Composition, Continuous Radiation, Irregular Galaxies, Metallicity

Scientific paper

A small map of the 1.3-mm continuum emissioin from cool dust in the central starburst region of M82 is presented. The source is found to be less than about 45 arcsecs in extent and centered on the region of brightest IR emission. The total flux density at 1.3-mm is 1.3 + or - 0.3 Jy. The molecular hydrogen mass in M82 is 3 X 10 to the 8th solar masses, with an uncertainty of + or - 30 percent. An approximate correction to masses derived from long-wavelength photometry when the heavy element abundance is different from that of the solar neighborhood is discussed. This correction reduces the derived mass of M82 to about 1 X 10 to the 8th solar masses.

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