Spectral Diagnostics of Blazar Central Engines. III. Submillimeter Flares in Blazars

Details Spectral Diagnostics of Blazar Central Engines. III. Submillimeter Flares in Blazars Spectral Diagnostics of Blazar Central Engines. III. Submillimeter Flares in Blazars

Jan 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997apj...474..612p&link_type=abstract

Astrophysical Journal v.474, p.612

Astronomy and Astrophysics

Astronomy

3

Galaxies: Bl Lacertae Objects: General, Galaxies: Active, Galaxies: Nuclei, Galaxies: Quasars: General, Radio Continuum: Galaxies

Scientific paper

This article investigates the difference in submillimeter flares in BL Lac objects and flat-spectrum radio quasars. It is shown that a strong distinction can be found in the low-frequency emission at centimeter wavelengths. This is ascribed to a mildly varying centimeter-peaked background spectral component that is far more powerful in quasar radio cores than in BL Lac objects. There is also a highly variable "millimeter peaked" component, the flaring component, which is similar in quasars and BL Lac objects. This analysis is supportive of the two-component spectral model discussed in Papers I and II of this series.

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