Continuum emission at 1 millimeter from the elliptical galaxy NGC 205

Details Continuum emission at 1 millimeter from the elliptical galaxy NGC 205 Continuum emission at 1 millimeter from the elliptical galaxy NGC 205

Jun 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...374l..17f&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 374, June 10, 1991, p. L17-L20.

Astronomy and Astrophysics

Astronomy

22

Elliptical Galaxies, Emission Spectra, Galactic Nuclei, Galactic Radio Waves, Millimeter Waves, Continuous Radiation, Far Infrared Radiation, Infrared Astronomy Satellite, Interstellar Matter, Thermal Emission

Scientific paper

The nucleus of NGC 205 has been detected in the continuum at 1.1 mm with a flux of 21 + or - 5 mJy within the central 18 arcsec of the galaxy. This is the first detection of thermal emission from dust grains at millimeter wavelengths from an elliptical galaxy. Combining this measurement with IRAS and optical fluxes suggests that the dust temperature lies between 19 and 26 K and the dust mass between 1 solar mass and 3000 solar masses. These limits depend strongly on the dust emissivity.

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