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Browsing Aryabhatta Research Institute of Observational Sciences by Author "Weaver, Z. R."

Browsing Aryabhatta Research Institute of Observational Sciences by Author "Weaver, Z. R."

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  • Multiband cross-correlated radio variability of the blazar 3C 279 
    Mohana A, Krishna; Gupta, Alok C.; Marscher, Alan P.; Sotnikova, Yulia V.; Jorstad, S. G.; Wiita, Paul J.; Cui, Lang; Aller, Margo F.; Aller, Hugh D.; Kovalev, Yu. A.; Kovalev, Y. Y.; Liu, Xiang; Mufakharov, T. V.; Popkov, A. V.; Mingaliev, M. G.; Erkenov, A. K.; Nizhelsky, N. A.; Tsybulev, P. G.; Tsybulev, P. G.; Zhao, Wei; Weaver, Z. R.; Morozova, D. A. (Monthly Notices of the Royal Astronomical Society, 2024-01)
    We present the results of our study of cross-correlations between long-term multiband observations of the radio variability of the blazar 3C 279. More than a decade (2008–2022) of radio data were collected at seven different ...
  • Quasi-simultaneous Optical Flux and Polarization Variability of the Binary Super Massive Black Hole Blazar OJ 287 from 2015 to 2023: Detection of an Anticorrelation in Flux and Polarization Variability 
    Gupta, Alok C.; Kushwaha, Pankaj; Valtonen, Mauri J.; Savchenko, Sergey S.; Jorstad, Svetlana G.; Imazawa, Ryo; Wiita, Paul J.; Gu, Minfeng; Marscher, Alan P.; Zhang, Zhongli; Bachev, Rumen; Borman, G. A.; Gaur, Haritma; Grishina, T. S.; Hagen-Thorn, V. A.; Kopatskaya, E. N.; Larionov, V. M.; Larionova, E. G.; Larionova, L. V.; Morozova, D. A.; Nakaoka, T; Strigachev, A; Troitskaya, Yulia V.; Troitsky, I. S.; Uemura, M.; Vasilyev, A. A.; Weaver, Z. R.; Zhovtan, A. V. (Astrophysical Journal Letters, 2023-11)
    We study the optical flux and polarization variability of the binary black hole blazar OJ 287 using quasi simultaneous observations from 2015 to 2023 carried out using telescopes in the USA, Japan, Russia, Crimea, ...

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