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- W4384692885 abstract "We study simultaneous soft ($0.7 - 7$ keV) and hard ($7 - 20$ keV) X-ray light curves at a total of eight epochs during $2016 - 2019$ of two TeV blazars Mrk 421 and 1ES 1959+650 observed by the SXT and LAXPC instruments onboard AstroSat. The light curves are $45 - 450$ ks long and may be sampled with time bins as short as $600 - 800$ sec with high signal to noise ratio. The blazars show a harder when brighter trend at all epochs. Discrete cross-correlation functions indicate that the hard and soft X-ray variability are strongly correlated. The time lag is consistent with zero in some epochs, and indicates hard or soft lag of a few hours in the rest. In the leptonic model of blazar emission, soft lag may be due to slower radiative cooling of lower energy electrons while hard lag may be caused by gradual acceleration of the high energy electrons emitting at the hard X-ray band. Assuming the above scenario and the value of the Doppler factor ($delta$) to be $10 - 20$, the hard and soft lags may be used to estimate the magnetic field to be $sim 0.1$ Gauss and the acceleration parameter to be $sim 10^4$ in the emission region. Due to the availability of the high time resolution ($sim$ minutes to hours) light curves from AstroSat, the value of the illusive acceleration parameter could be estimated, which provides a stringent constraint on the theories of particle acceleration in blazar jets." @default.
- W4384692885 created "2023-07-20" @default.
- W4384692885 creator A5059577807 @default.
- W4384692885 creator A5063126312 @default.
- W4384692885 date "2023-07-18" @default.
- W4384692885 modified "2023-09-23" @default.
- W4384692885 title "Correlated short time-scale hard-soft X-ray variability of the blazars Mrk 421 and 1ES 1959+650 using <i>AstroSat</i>" @default.
- W4384692885 cites W1524618787 @default.
- W4384692885 cites W1726077681 @default.
- W4384692885 cites W1871221100 @default.
- W4384692885 cites W1966199332 @default.
- W4384692885 cites W1969520366 @default.
- W4384692885 cites W1970300720 @default.
- W4384692885 cites W1979115990 @default.
- W4384692885 cites W1983354252 @default.
- W4384692885 cites W1990571233 @default.
- W4384692885 cites W1992110095 @default.
- W4384692885 cites W1993815087 @default.
- W4384692885 cites W2001582779 @default.
- W4384692885 cites W2002936771 @default.
- W4384692885 cites W2002976439 @default.
- W4384692885 cites W2008852708 @default.
- W4384692885 cites W2011229761 @default.
- W4384692885 cites W2019225373 @default.
- W4384692885 cites W2021854952 @default.
- W4384692885 cites W2022881952 @default.
- W4384692885 cites W2027957835 @default.
- W4384692885 cites W2029677436 @default.
- W4384692885 cites W2033220168 @default.
- W4384692885 cites W2033258958 @default.
- W4384692885 cites W2036385708 @default.
- W4384692885 cites W2038367995 @default.
- W4384692885 cites W2039641568 @default.
- W4384692885 cites W2039781695 @default.
- W4384692885 cites W2044856348 @default.
- W4384692885 cites W2047377023 @default.
- W4384692885 cites W2052370004 @default.
- W4384692885 cites W2053563078 @default.
- W4384692885 cites W2053766012 @default.
- W4384692885 cites W2056313509 @default.
- W4384692885 cites W2056713841 @default.
- W4384692885 cites W2060760051 @default.
- W4384692885 cites W2063712348 @default.
- W4384692885 cites W2063840022 @default.
- W4384692885 cites W2067222343 @default.
- W4384692885 cites W2067368901 @default.
- W4384692885 cites W2071065321 @default.
- W4384692885 cites W2074935816 @default.
- W4384692885 cites W2075179680 @default.
- W4384692885 cites W2088868638 @default.
- W4384692885 cites W2089508361 @default.
- W4384692885 cites W2095522635 @default.
- W4384692885 cites W2111703238 @default.
- W4384692885 cites W2123176169 @default.
- W4384692885 cites W2126150927 @default.
- W4384692885 cites W2127231013 @default.
- W4384692885 cites W2135101687 @default.
- W4384692885 cites W2135603106 @default.
- W4384692885 cites W2136923259 @default.
- W4384692885 cites W2140435052 @default.
- W4384692885 cites W2151964658 @default.
- W4384692885 cites W2152002617 @default.
- W4384692885 cites W2152242740 @default.
- W4384692885 cites W2154171423 @default.
- W4384692885 cites W2155913389 @default.
- W4384692885 cites W2161750010 @default.
- W4384692885 cites W2169080969 @default.
- W4384692885 cites W2191829672 @default.
- W4384692885 cites W2317314051 @default.
- W4384692885 cites W2328170950 @default.
- W4384692885 cites W2397323814 @default.
- W4384692885 cites W2520562762 @default.
- W4384692885 cites W2525600126 @default.
- W4384692885 cites W2529130062 @default.
- W4384692885 cites W2594740894 @default.
- W4384692885 cites W2596609781 @default.
- W4384692885 cites W2612039469 @default.
- W4384692885 cites W2691638223 @default.
- W4384692885 cites W2766927337 @default.
- W4384692885 cites W2768484560 @default.
- W4384692885 cites W2803379413 @default.
- W4384692885 cites W2886682961 @default.
- W4384692885 cites W2892716196 @default.
- W4384692885 cites W2929611936 @default.
- W4384692885 cites W2943468458 @default.
- W4384692885 cites W2962803207 @default.
- W4384692885 cites W2969756228 @default.
- W4384692885 cites W3021517749 @default.
- W4384692885 cites W3098395009 @default.
- W4384692885 cites W3098482744 @default.
- W4384692885 cites W3098758377 @default.
- W4384692885 cites W3099484352 @default.
- W4384692885 cites W3099954864 @default.
- W4384692885 cites W3099981672 @default.
- W4384692885 cites W3100009441 @default.
- W4384692885 cites W3102811486 @default.
- W4384692885 cites W3104719351 @default.
- W4384692885 cites W3104982759 @default.