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Browsing by Author "Dimple"

Browsing by Author "Dimple"

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  • The long-active afterglow of GRB 210204A: detection of the most delayed flares in a gamma-ray burst 
    Kumar, Harsh; Gupta, Rahul; Saraogi, Divita; Ahumada, Tomás; Andreoni, Igor; Anupama, G. C; Aryan, Amar; Barway, Sudhanshu; Bhalerao, Varun; Chandra, Poonam; Coughlin, Michael W; Dimple; Dutta, Anirban; Ghosh, Ankur; Ho, Anna Y. Q; Kool, E. C; Kumar, Amit; Medford, Michael S; Misra, Kuntal; Pandey, Shashi B; Perley, Daniel A; Riddle, Reed; Ror, Amit Kumar; Setiadi, Jason M; Yao, Yuhan (Oxford University Press on behalf of Royal Astronomical Society, 2022-06)
    We present results from extensive broadband follow-up of GRB 210204A over the period of 30 d. We detect optical flares in the afterglow at 7.6 × 105 s and 1.1 × 106 s after the burst: the most delayed flaring ever detected ...
  • Low frequency view of GRB 190114C reveals time varying shock micro-physics 
    Misra, K; Resmi, L; Kann, D. A; Marongiu, M; Moin, A; Klose, S; Bernardi, G; de Ugarte Postigo, A; Jaiswal, V. K; Schulze, S; Perley, D. A; Ghosh, A; Dimple; Kumar, H; Gupta, R; Michałowski, M. J; Martin, S; Cockeram, A; Cherukuri, S. V; Bhalerao, V; Anderson, G. E; Pandey, S. B; Anupama, G. C; Thone, C. C; Barway, Sudhanshu; Wieringa, M. H; Fynbo, J. P. U; Habeeb, N (Oxford University Press on behalf of the Royal Astronomical Society, 2021-07)
    We present radio and optical afterglow observations of the TeV-bright long gamma-ray burst 190114C at a redshift of z = 0.425, which was detected by the Major Atmospheric Gamma Imaging Cherenkov telescope. Our observations ...
  • Probing into emission mechanisms of GRB 190530A using time-resolved spectra and polarization studies: synchrotron origin? 
    Gupta, Rahul; Gupta, S; Chattopadhyay, T; Lipunov, V; Castro-Tirado, A. J; Bhattacharya, D; Pandey, S. B; Oates, S. R; Kumar, Amit; Hu, Y-D; Valeev, A. F; Minaev, P. Yu; Kumar, H; Vinko, J; Dimple; Sharma, V; Aryan, A; Castellon, A; Gabovich, A; Moskvitin, A; Ordasi, A; Pal, A; Pozanenko, A; Zhang, B-B; Kumar, B; Svinkin, D; Saraogi, D; Vlasenko, D; Fernandez-Garcia, E; Gorbovskoy, E; Anupama, G. C; Misra, K; Sarneczky, K; Kriskovics, L; Castro-Tirado, M. A; Caballero-Garcia, M. D; Tiurina, N; Balanutsa, P; Lopez, R. R; Sanchez-Ramirez, R; Szakats, R; Belkin, S; Guziy, S; Iyyani, S; Tiwari, S. N; Vadawale, Santosh V; Sun, T; Bhalerao, V; Kornilov, V; Sokolov, V. V (Oxford University Press on behalf of Royal Astronomical Society, 2022-04)
    Multipulsed GRB 190530A, detected by the Gamma-ray Burst Monitor (GBM) and Large Area Telescope onboard Fermi, is the sixth most fluent GBM burst detected so far. This paper presents the timing, spectral, and polarimetric ...

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