Search results for "Galaxies:jets"

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Radio and gamma-ray properties of extragalactic jets from the TANAMI sample

2016

Using high-resolution radio imaging with VLBI techniques, the TANAMI program has been observing the parsec-scale radio jets of southern (declination south of -30{\deg}) gamma-ray bright AGN simultaneously with Fermi/LAT monitoring of their gamma-ray emission. We present the radio and gamma-ray properties of the TANAMI sources based on one year of contemporaneous TANAMI and Fermi/LAT data. A large fraction (72%) of the TANAMI sample can be associated with bright gamma-ray sources for this time range. Association rates differ for different optical classes with all BL Lacs, 76% of quasars and just 17% of galaxies detected by the LAT. Upper limits were established on the gamma-ray flux from TAN…

AstrofísicaBrightnessCosmology and Nongalactic Astrophysics (astro-ph.CO)010504 meteorology & atmospheric sciencesAstronomyAstrophysics::High Energy Astrophysical PhenomenaFOS: Physical sciencesAstrophysics::Cosmology and Extragalactic AstrophysicsAstrophysics01 natural sciencesDeclinationRadio continuum: galaxies0103 physical sciencesVery-long-baseline interferometryGalaxies; Interferometry; Luminance; Radio astronomy; Temperature Galaxies : active; Galaxies: nuclei; Galaxies:jets; Gamma rays: galaxies; Radio continuum: galaxies Gamma rays; Galaxies: active; Galaxies: jets; Galaxies: nuclei; Gamma rays: galaxies; Radio continuum: galaxiesRadio astronomyBlazar010303 astronomy & astrophysicsAstrophysics::Galaxy AstrophysicsGalaxies: nuclei0105 earth and related environmental sciencesHigh Energy Astrophysical Phenomena (astro-ph.HE)PhysicsGalaxies : activeGalaxies:jetsGamma raysTemperatureGamma rayAstronomy and AstrophysicsQuasarGalaxies: activeGalaxiesGalaxyGamma rays: galaxiesInterferometryLuminanceGalaxies: jetsSpace and Planetary ScienceAstronomiaComputingMethodologies_DOCUMENTANDTEXTPROCESSINGAstrophysics - High Energy Astrophysical PhenomenaAstrophysics - Cosmology and Nongalactic AstrophysicsFermi Gamma-ray Space TelescopeAstronomy & Astrophysics
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