Results 181 to 190 of about 6,255 (211)

Black hole jets on the scale of the Cosmic Web

Oei MS, Hardcastle MJ, Timmerman R, Gast AR, Botteon A, Rodriguez AC, Stern D, Rivera GC, Weeren RJv, Röttgering HJ, Intema HT, de Gasperin F, Djorgovski S.   +12 more
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Microvariability in Blazars

Astrophysics and Space Science, 1997
Optically violent variable quasars and BL Lac objects, which form a subclass of active galactic nuclei are termed as Blazars. Blazars show high degree variation in their flux and polarization in a relatively shorter period of time. They are strong radio sources with a non-stellar continuum.
M.R. Deshpande, U.C. Joshi, K.S. Baliyan, S. Ganesh   +3 more
openaire   +1 more source

Blazars and INTEGRAL

Chinese Journal of Astronomy and Astrophysics, 2006
We refer to analysis of the ESA INTEGRAL satellite data for specific class of active galactic nuclei - blazars. These objects represent promising sources to be observed by INTEGRAL, especially during their active states. Suitable strategy for the future analysis is proposed and discussed.
R Hudec, F Munz, P Kubánek, E Pian
openaire   +1 more source

Variability of Blazars

Journal of Astrophysics and Astronomy, 2011
Variability is one of the characteristics of blazars. The rapid variability is superposed on the long term variation. In this work, the variability on different time scales, such as intra-day (IDV), short-term (STV) and long-term (LTV) variations are presented for some sources.
J. H. Fan, Y. Liu, Y. Li, Q. F. Zhang, J. Tao, O. Kurtanidze   +5 more
openaire   +1 more source

Observing blazars with the Whole Earth Blazar Telescope

2002
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VILLATA M, RAITERI C. M, KURTANIZDE O. M, NIKOLASHVILI M. A, IBRAHIMOV M. A, PAPADAKIS I. E, TSINGANOS K, SADAKANE N, OKADA N, TAKALO L. O, SILLANPAEAE A, TOSTI G, CIPRINI S, FRASCA A, MARILLI E, ROBB R. M, NOBLE J. C, JORSTAD S. G, HAGEN THORN V. A, LARONIOV V. M, NESCI R, MAESANO M, SCHWARTZ R. D, BASLER J, GORHAM P. W, IWAMATSU H, KATO T, PULLEN C, BENITEZ E, DE DIEGO J. A, MOILANEN M, OKSANEN A, RODRIGUEZ D, SADUN A. C, KELLY M, CARINI M. T, MILLER H. R, CATALANO S, DULTZIN HACYAN D, FAN J. H, ISHOKA R, KARTTUNEN H, KEINAENEN P, KUDRIAVTSEVA N. A, LAINELA M, LANTERI L, LARIONOVA E. G, MATSUMOTO K, MATTOX J. R, MONTAGNI F, NUCCIARELLI G, OSTORERO, Luisa, PAPAMASTORAKIS J, PASANEN M, SOBRITO G, UEMURA M.   +55 more
openaire   +2 more sources

Flares in Blazars

2009
Blazars are active galactic nuclei characterized by strong, nearly pure non-thermal radiations; these extend across the electromagnetic spectrum, from radio frequencies to the most energetics γ rays observed, in some cases up to TeV energies.
openaire   +2 more sources

Polarimetric Properties of Blazars Caught by the WEBT

Galaxies, 2021
Massimo Villata, Claudia Maria Raiteri
exaly  

Blazars

1987
Joel N. Bregman, Laura Maraschi, C. Megan Urry   +2 more
openaire   +1 more source

Estimation of inverse Compton peak frequency for 4FGL Blazars

Science China: Physics, Mechanics and Astronomy, 2023
Jianghe Yang, Junhui Fan
exaly  

Relativistic Jets of Blazars

New Astronomy Reviews, 2019
Talvikki Hovatta, Elina Lindfors
exaly