Far IR emission of the galactic plane at high longitudes

Details Far IR emission of the galactic plane at high longitudes Far IR emission of the galactic plane at high longitudes

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...105..184b&link_type=abstract

Astronomy and Astrophysics, vol. 105, no.1, Jan. 1982, p. 184-187.

Astronomy and Astrophysics

Astronomy

4

Cosmic Dust, Diffuse Radiation, Far Infrared Radiation, Infrared Astronomy, Interstellar Radiation, Milky Way Galaxy, Balloon-Borne Instruments, Gas Density, Hydrogen, Interstellar Matter, Longitude, Stellar Luminosity

Scientific paper

Broadband far IR observations (500-1000 microns) are presented of the diffuse emission of the galactic plane at longitudes of 233 deg, 230 deg, 222 deg, and 110 deg. Using the method developed by Ryter and Puget (1977), a normalized luminosity is derived for two realistic grain temperatures, 10 K and 20 K. A comparison between expected and observed values indicates that dust at around 10 K is emitting the detected IR emission. It is thought that the distributions of dust and stars that are usually assumed are sufficient to justify these results and that no extra sources of heating other than the interstellar radiation field need be considered to interpret the observations. Dust-to-gas ratio estimations are derived for the regions observed.

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