The origin of the near-infrared emission in palomar green quasars : the case for hot dust

This paper uses the variation with redshift of the near-infrared colors of the Palomar Green Bright Quasars as the basis for an analysis of the origin of their infrared light. Comparison of the data with simple models of the continuum, appropriately redshifted, show that the flux ratios start to dec...

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Veröffentlicht in:	The Astrophysical journal 1990-05, Vol.354 (1), p.148-157
1. Verfasser:	BERRIMAN, G
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS COMPARATIVE EVALUATIONS COSMIC DUST COSMIC RADIO SOURCES DUSTS Earth, ocean, space ELECTROMAGNETIC RADIATION EMISSION SPECTRA Exact sciences and technology GALAXIES INFRARED RADIATION INFRARED SPECTRA MATHEMATICAL MODELS NEAR INFRARED RADIATION ORIGIN QUASARS Quasars. Active or peculiar galaxies, objects, and systems RADIATIONS RED SHIFT SEYFERT GALAXIES SPECTRA 640102 > Astrophysics & Cosmology-- Stars & Quasi-Stellar, Radio & X-Ray Sources Stellar systems. Galactic and extragalactic objects and systems. The universe
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