Search Results - "Larionova, Elena G"
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The 2016 June Optical and Gamma-Ray Outburst and Optical Microvariability of the Blazar 3C 454.3
Published in The Astrophysical journal (10-04-2019)“…The quasar 3C 454.3 underwent a uniquely structured multifrequency outburst in 2016 June. The blazar was observed in the optical R-band by several ground-based…”
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Multiband optical flux density and polarization microvariability study of optically bright blazars
Published in Monthly notices of the Royal Astronomical Society (11-02-2020)“…ABSTRACT We present the results of flux density, spectral index, and polarization intra-night monitoring studies of a sample of eight optically bright blazars,…”
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3
Emission-line Variability during a Nonthermal Outburst in the Gamma-Ray Bright Quasar 1156+295
Published in The Astrophysical journal (01-02-2022)“…Abstract We present multi-epoch optical spectra of the γ -ray bright blazar 1156+295 (4C +29.45, Ton 599) obtained with the 4.3 m Lowell Discovery Telescope…”
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The connection between the parsec-scale radio jet and γ-ray flares in the blazar 1156+295
Published in Monthly notices of the Royal Astronomical Society (01-12-2014)“…The blazar 1156+295 was active at ...-ray energies, exhibiting three prominent flares during the year 2010. Here, we present results using the combination of…”
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Flaring Behavior of the Quasar 3C 454.3 Across the Electromagnetic Spectrum
Published in The Astrophysical journal (20-05-2010)“…We analyze the behavior of the parsec-scale jet of the quasar 3C 454.3 during pronounced flaring in 2005-2008. Three major disturbances propagated down the jet…”
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Correlation Analysis of Delays between Variations of Gamma-Ray and Optical Light Curves of Blazars
Published in Galaxies (01-12-2016)“…We have been performing multi-wavelength monitoring of a sample of γ -ray blazars since the launch of the Fermi Gamma-ray Space Telescope in 2008. We present γ…”
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The Connection between the Radio Jet and the γ-ray Emission in the Radio Galaxy 3C 120 and the Blazar CTA 102
Published in Galaxies (01-12-2016)“…We present multi-wavelength studies of the radio galaxy 3C 120 and the blazar CTA 102 during unprecedented γ-ray flares for both sources. In both studies the…”
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A TIGHT CONNECTION BETWEEN GAMMA-RAY OUTBURSTS AND PARSEC-SCALE JET ACTIVITY IN THE QUASAR 3C 454.3
Published in The Astrophysical journal (20-08-2013)“…We analyze the multi-frequency behavior of the quasar 3C 454.3 during three prominent gamma -ray outbursts: 2009 Autumn, 2010 Spring, and 2010 Autumn. The data…”
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A MULTI-WAVELENGTH POLARIMETRIC STUDY OF THE BLAZAR CTA 102 DURING A GAMMA-RAY FLARE IN 2012
Published in The Astrophysical journal (01-11-2015)“…ABSTRACT We perform a multi-wavelength polarimetric study of the quasar CTA 102 during an extraordinarily bright γ-ray outburst detected by the Fermi Large…”
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COMPREHENSIVE MONITORING OF GAMMA-RAY BRIGHT BLAZARS. I. STATISTICAL STUDY OF OPTICAL, X-RAY, AND GAMMA-RAY SPECTRAL SLOPES
Published in The Astrophysical journal (10-07-2014)“…We present [gamma]-ray, X-ray, ultraviolet, optical, and near-infrared light curves of 33 [gamma]-ray bright blazars over 4 years that we have been monitoring…”
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11
The connection between the parsec-scale radio jet and [gamma]-ray flares in the blazar 1156+295
Published in Monthly notices of the Royal Astronomical Society (01-12-2014)“…The blazar 1156+295 was active at ...-ray energies, exhibiting three prominent flares during the year 2010. Here, we present results using the combination of…”
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12
COMPREHENSIVE MONITORING OF GAMMA-RAY BRIGHT BLAZARS. I. STATISTICAL STUDY OF OPTICAL, X-RAY, AND GAMMA-RAY SPECTRAL SLOPES
Published in The Astrophysical journal (23-06-2014)Get full text
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13
A Two-Week $IXPE$ Monitoring Campaign on Mrk 421
Published 25-10-2024“…X-ray polarization is a unique new probe of the particle acceleration in astrophysical jets made possible through the Imaging X-ray Polarimetry Explorer. Here…”
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X-ray and multiwavelength polarization of Mrk 501 from 2022 to 2023
Published 15-07-2024“…We present multiwavelength polarization measurements of the luminous blazar Mrk~501 over a 14-month period. The 2--8 keV X-ray polarization was measured with…”
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15
Testing particle acceleration in blazar jets with continuous high-cadence optical polarization observations
Published 21-06-2024“…A&A 689, A200 (2024) Variability can be the pathway to understanding the physical processes in astrophysical jets, however, the high-cadence observations…”
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Observations of Low and Intermediate Spectral Peak Blazars with the Imaging X-ray Polarimetry Explorer
Published 17-10-2023“…We present X-ray polarimetry observations from the Imaging X-ray Polarimetry Explorer (IXPE) of three low spectral peak and one intermediate spectral peak…”
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Polarized Blazar X-rays imply particle acceleration in shocks
Published 03-09-2023“…2022, Nature, 611, 677-681 Most of the light from blazars, active galactic nuclei with jets of magnetized plasma that point nearly along the line of sight, is…”
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Emission Line Variability during a Nonthermal Outburst in the Gamma-Ray Bright Quasar 1156+295
Published 31-01-2022“…2022 ApJ 926 180 We present multi-epoch optical spectra of the $\gamma$-ray bright blazar 1156+295 (4C +29.45, Ton 599) obtained with the 4.3~m Lowell…”
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X-ray Polarization Observations of BL Lacertae
Published 24-11-2022“…2023, ApJ Letters, 942, L10 Blazars are a class of jet-dominated active galactic nuclei with a typical double-humped spectral energy distribution. It is of…”
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FLARING BEHAVIOR OF THE QUASAR 3C 454.3 ACROSS THE ELECTROMAGNETIC SPECTRUM
Published in The Astrophysical journal (2010)Get full text
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