Results 21 to 30 of about 4,973 (222)
BeppoSAXView of Radio‐loud Active Galactic Nuclei [PDF]
The Astrophysical Journal, 2006 ApJ accepted, 33 pages, 6 ...
Grandi, Paola +2 more
openaire +2 more sources
Radio sources in the Chandra Galactic Bulge Survey [PDF]
, 2012 We discuss radio sources in the Chandra Galactic Bulge Survey region. By cross-matching the X-ray sources in this field with the NRAO VLA Sky Survey archival data, we find 12 candidate matches.
Maccarone, M.C. +24 more
core +1 more source
COSMIC EVOLUTION OF RADIO SELECTED ACTIVE GALACTIC NUCLEI IN THE COSMOS FIELD [PDF]
The Astrophysical Journal, 2009 18 pages, 14 figures, to appear in ...
SmolÄić, V. +16 more
openaire +7 more sources
Radio Loudness of Active Galactic Nuclei: Observational Facts and Theoretical Implications [PDF]
The Astrophysical Journal, 2007 We investigate how the total radio luminosity of AGN-powered radio sources depends on their accretion luminosity and the central black hole mass. Our studies cover about seven orders of magnitude in accretion luminosity and the full range of AGN black hole masses. We find that AGNs form two distinct and well separated sequences on the radio-loudness --
Sikora, Marek +2 more
openaire +3 more sources
Hot Dust in Radio-loud Active Galactic Nuclei
The Astrophysical Journal, 2003 12 pages, 2 figures. To appear in ApJ Letters. Also available at http://stecf.org/~wfreudli/pubs/
Wolfram Freudling +2 more
openaire +2 more sources
On the dust geometry in radio-loud active galactic nuclei [PDF]
Monthly Notices of the Royal Astronomical Society, 2010 17 pages, 12 figures, accepted by ...
Hermine Landt +2 more
openaire +3 more sources
THE CONTRIBUTION OF ACTIVE GALACTIC NUCLEI TO THE MICROJANSKY RADIO POPULATION [PDF]
The Astrophysical Journal, 2009 A X-ray background synthesis model is used to calculate the contribution of Active Galactic Nuclei (AGNs) to the 1.4 GHz number counts between 100 nJy and 10 mJy. The number counts are broken down into contributions from radio-quiet and radio-loud AGNs, obscured and unobscured AGNs, and for different ranges in redshift and 2-10 keV X-ray luminosity ...
openaire +2 more sources
A 3.5 mm POLARIMETRIC SURVEY OF RADIO-LOUD ACTIVE GALACTIC NUCLEI [PDF]
The Astrophysical Journal Supplement Series, 2010 Published in the Astrophysical Journal Supplement Series.
Agudo, I. +3 more
openaire +2 more sources
Arp 299-A: More than "just" a prolific supernova factory [PDF]
, 2010 We present partial results from our monitoring of the nuclear region of the starburst galaxy IC 694 (=Arp 299-A) at radio wavelengths, aimed at discovering recently exploded core-collapse supernovae, as well as to determine their rate of explosion, which
Marco Bondi +9 more
core +1 more source
Radio Emission from Active Galactic Nuclei [PDF]
Symposium - International Astronomical Union, 1987 Active Galactic Nuclei and quasars are characterized at radio wavelengths by a high surface brightness, a flat spectrum, variations in intensity on time scales of a few days to a few years, and by large internal motions which probably reflect Doppler beaming from a synchrotron source which is moving with relativistic velocity away from the central ...
openaire +1 more source