Observations of the rapid variability of the two BL Lac type objects J2005+77 and J2022+76 with the RATAN-600 |
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| Authors: | Yu V Sotnikova M G Larionov M G Mingaliev |
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| Institution: | (1) Special Astrophysical Observatory, Russian Academy of Sciences, Nizhnij Arkhyz, 369167, Russia;(2) Astro Space Center, Lebedev Physical Institute, Russian Academy of Sciences, Profsoyuznaya ul. 84/32, Moscow, 117997, Russia;(3) South Federal University (Rostov State University), Rostov-on-Don, Russia |
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| Abstract: | We report here the results of observations of two BL Lacertae-type objects, J2005+77 and J2022+76, using the RATAN-600 at frequencies 11.2, 7.7, and 4.8 GHz. We found variations of radio emission on timescales of one day and we are the first to discover a variability of this type for J2022+76.We compare our observations with long-term multifrequency radio observations of the same sources performed on RATAN-600 within the framework of other observational programs. We analyze the behaviour of variability of the two sources and provide arguments in favour of the preferred emission generation mechanisms for the objects studied. |
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