25 citations · 59 across the 6 of their papers we have counts for
6 papers
Spectral connection between far UV and soft X-ray emission from active galactic nuclei using AstroSat
Shrabani Kumar, G. C. Dewangan, K. P. Singh +5
We present the UV/X-ray joint spectral analyses of four Seyfert~1 galaxies (PG 0804+761, NGC 7469, SWIFT J1921.1-5842, and SWIFT J1835.0+3240) using the data acquired with the Ultr…
Multi-epoch UV X-ray spectral study of NGC 4151 with AstroSat
Shrabani Kumar, G. C. Dewangan, P. Gandhi +8
We present a multi-wavelength spectral study of NGC 4151 based on five epochs of simultaneous AstroSat observations in the near ultra-violet (NUV) to hard X-ray band ($\sim 0.005-8…
Detection of X-ray/UV delay in NGC 4051 using AstroSat observations
Kavita Kumari, G. C. Dewangan, I. E. Papadakis +1
We study the connection between the variations in the far ultra-violet (FUV), near ultra-violet (NUV) and X-ray band emission from NGC 4051 using 4-days long AstroSat observations…
Unravelling the unusually curved X-ray spectrum of RGB J0710+591 using AstroSat observations
Pranjupriya Goswami, Atreyee Sinha, Sunil Chandra +7
We report the analysis of simultaneous multi-wavelength data of the high energy peaked blazar RGB J0710+591 from the LAXPC, SXT and UVIT instruments on-board AstroSat. The wide ban…
Long term X-ray variability characteristics of the narrow-line Seyfert 1 galaxy RE~J1034+396
K. Chaudhury, V. R. Chitnis, A. R. Rao +8
We present the results of our study of the long term X-ray variability characteristics of the Narrow Line Seyfert 1 galaxy RE J1034+396. We use data obtained from the AstroSat sate…
Multi-wavelength Temporal Variability of the Blazar 3C 454.3 during 2014 Activity Phase
Pankaj Kushwaha, Alok C. Gupta, Ranjeev Misra +1
We present a multi-wavelength temporal analysis of the blazar 3C 454.3 during the high -ray active period from May-December, 2014. Except for X-rays, the period is well sampled…