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Identifying Black Hole Central Engines in Gamma-Ray Bursts
Vidushi Sharma, Shabnam Iyyani, Dipankar Bhattacharya
The nature of the gamma-ray burst (GRB) central engine still remains an enigma. Entities widely believed to be capable of powering the extreme jets are magnetars and black holes. T…
Study of prompt emission of short gamma ray bursts using multi-color blackbody: a clue to the viewing angle
Shabnam Iyyani, Vidushi Sharma
The prompt emission of short gamma ray bursts (sGRBs) with known redshifts are analyzed using the model of multi-color blackbody which is interpreted as the emission from a non-dis…
Spectro-polarimetric analysis of prompt emission of GRB 160325A: jet with evolving environment of internal shocks
Vidushi Sharma, Shabnam Iyyani, Dipankar Bhattacharya +3
GRB 160325A is the only bright burst detected by AstroSat CZT Imager in its primary field of view to date. In this work, we present the spectral and polarimetric analysis of the pr…