0000000000451789

AUTHOR

M. G. Nikolashvili

showing 2 related works from this author

The WEBT BL Lacertae Campaign 2001 and its extension : Optical light curves and colour analysis 1994–2002

2004

BL Lacertae has been the target of four observing campaigns by the Whole Earth Blazar Telescope (WEBT) collaboration. In this paper we present UBVRI light curves obtained by theWEBT from 1994 to 2002, including the last, extended BL Lac 2001 campaign. A total of about 7500 optical observations performed by 31 telescopes from Japan to Mexico have been collected, to be added to the ∼15 600 observations of the BL Lac Campaign 2000. All these data allow one to follow the source optical emission behaviour with unprecedented detail. The analysis of the colour indices reveals that the flux variability can be interpreted in terms of two components: longer-term variations occurring on a fewday time …

jetsAstrophysics::High Energy Astrophysical PhenomenaFluxScale (descriptive set theory)activeAstrophysics::Cosmology and Extragalactic AstrophysicsAstrophysicsUNESCO::ASTRONOMÍA Y ASTROFÍSICA01 natural sciencesPower lawlaw.inventionTelescopesymbols.namesakelawBL Lac objects0103 physical sciencesJetsBlazar010303 astronomy & astrophysicsQuasarsAstrophysics::Galaxy AstrophysicsPhysicsactive; galaxies: BL Lacertae objects: general; galaxies: jets; galaxies: quasars: general010308 nuclear & particles physicsActive galaxies ; BL Lacertae objects ; Jets ; Quasarsactive galaxiesAstronomy and AstrophysicsDecoupling (cosmology)galaxies: jetsLight curve:ASTRONOMÍA Y ASTROFÍSICA::Cosmología y cosmogonia [UNESCO]galaxies: quasars: generalSpace and Planetary Scienceactive galaxies; BL Lac objects; jetssymbolsgalaxies: BL Lacertae objects: generalActive galaxiesBL Lacertae objectsUNESCO::ASTRONOMÍA Y ASTROFÍSICA::Cosmología y cosmogoniaDoppler effect:ASTRONOMÍA Y ASTROFÍSICA [UNESCO]
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Multifrequency Studies of the Peculiar Quasar 4C +21.35 during the 2010 Flaring Activity

2014

著者人数: 290名

AstrofísicaelectronPhotontorusAstrophysics01 natural scienceslaw.inventiongalaxies: active – gamma rays: general – quasars: general – quasars: individual (4C +21.35) – radiation mechanisms: non-thermalactive gamma rays: general quasars: general quasars: individual: 4C +21.35 radiation mechanisms: non-thermal [galaxies]lawblack hole: Kerrgalaxies: active; gamma rays: general; quasars: general; quasars: individual: 4C +21.35; radiation mechanisms: non-thermalopticalGalaxies: active; Gamma rays: general; Quasars: general; Quasars: individual (4C +21.35); Radiation mechanisms: non-thermal010303 astronomy & astrophysicsastro-ph.HEHigh Energy Astrophysical Phenomena (astro-ph.HE)Physicsenergy: highPhysicsphotonRadiusnon-thermal [radiation mechanisms]Synchrotrongamma ray: emissionactive [galaxies]astro-ph.COElectrónicaFísica nuclearElectricidadGalaxies: active; Gamma rays: general; Quasars: general; Quasars: individual (4C +21.35); Radiation mechanisms: non-thermal; Nuclear and High Energy PhysicsAstrophysics - High Energy Astrophysical Phenomenaquasars: individual (4C +21.35)Astrophysics - Cosmology and Nongalactic AstrophysicsFlareradiation mechanisms: non-thermal; galaxies: active; quasars: general; quasars: individual (4C +21.35); gamma rays: observationsNuclear and High Energy PhysicsCosmology and Nongalactic Astrophysics (astro-ph.CO)astro-ph.GAAstrophysics::High Energy Astrophysical Phenomenaeducationgalaxies: activeFOS: Physical sciencesquasars: individual: 4C +21.35Astrophysics::Cosmology and Extragalactic AstrophysicsVHEGLASTemission: modelTelescopeX-rayquasars: general0103 physical sciencessynchrotrongalaxies: active gamma rays: general quasars: general quasars: individual: 4C +21.35 radiation mechanisms: non-thermalquasarflux: densityindividual: 4C +21.35 [quasars]Astrophysics::Galaxy AstrophysicsAstronomia Observacionsgeneral [quasars]010308 nuclear & particles physicsAstronomy and AstrophysicsQuasargamma rays: generalradiation mechanisms: non-thermalAstrophysics - Astrophysics of GalaxiesMAGICRotating black holeSpace and Planetary SciencegravitationAstrophysics of Galaxies (astro-ph.GA)ddc:520spectral[PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]general [gamma rays]Fermi Gamma-ray Space Telescope
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