Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990liaco..29...11r&link_type=abstract
In ESA, From Ground-Based to Space-Borne Sub-mm Astronomy p 11-115 (SEE N91-21986 13-89)
Astronomy and Astrophysics
Astronomy
Active Galactic Nuclei, Blazars, Galactic Radiation, Quasars, Radio Galaxies, Seyfert Galaxies, Submillimeter Waves, Far Infrared Radiation, Infrared Astronomy, Line Spectra, Radio Astronomy, Radio Spectra, Star Formation, Synchrotron Radiation, Thermal Emission
Scientific paper
Galaxies such as NGC253 and M82 which radiate strongly in the far infrared are studied. They produce a typical thermal emission also seen in a wide range of galaxies which is considered to be a sign of extensive star formation. The use of submillimeter observations to differentiate between thermal or nonthermal synchrotron emission in radio quiet quasars and Seyfert 1 galaxies is discussed. Radio loud active galaxies such as blazars, have non-thermal spectra which become optically thin at about 1 mm. Monitoring this emission is shown to be a crucial test of the emission mechanisms of the relativistic jets believed to power blazars.
Gear Walter K.
Hughes David
Robson Ian
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