activity
20212025
most citedFast-transient Searches in Real Time with ZTFReST: Identification of Three Optically-discovered Gamma-ray Burst Afterglows and New Constraints on the Kilonova Rate

87 citations · 203 across the 12 of their papers we have counts for

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Showing 2022Show all

6 papers · 1 filter

astro-ph.IM2022★ 2 cited

Daksha: On Alert for High Energy Transients

Varun Bhalerao, Santosh Vadawale, Shriharsh Tendulkar +45

We present Daksha, a proposed high energy transients mission for the study of electromagnetic counterparts of gravitational wave sources, and gamma ray bursts. Daksha will comprise…

astro-ph.HE2022★ 2 cited

Science with the Daksha High Energy Transients Mission

Varun Bhalerao, Disha Sawant, Archana Pai +72

We present the science case for the proposed Daksha high energy transients mission. Daksha will comprise of two satellites covering the entire sky from 1~keV to ~MeV. The prima…

astro-ph.HE2022★ 12 cited

GROWTH on S190426c II: GROWTH-India Telescope search for an optical counterpart with a custom image reduction and candidate vetting pipeline

Harsh Kumar, Varun Bhalerao, G. C. Anupama +17

S190426c / GW190426_152155 was the first probable neutron star - black hole merger candidate detected by the LIGO-Virgo Collaboration. We undertook a tiled search for optical count…

astro-ph.HE2022★ 43 cited

Hard X-ray polarization catalog for a 5-year sample of Gamma-Ray Bursts using AstroSat CZT-Imager

Tanmoy Chattopadhyay, Soumya Gupta, Shabnam Iyyani +16

Cadmium Zinc Telluride Imager (CZTI) aboard AstroSat has been regularly detecting Gamma-Ray Bursts (GRBs) since its launch in 2015. Its sensitivity to polarization measurements at…

astro-ph.HE2022★ 17 cited

The long-active afterglow of GRB 210204A: Detection of the most delayed flares in a Gamma-Ray Burst

Harsh Kumar, Rahul Gupta, Divita Saraogi +22

We present results from extensive broadband follow-up of GRB 210204A over the period of thirty days. We detect optical flares in the afterglow at 7.6 x 10^5 s and 1.1 x 10^6 s afte…

astro-ph.HE2022★ 21 cited

Probing into emission mechanisms of GRB 190530A using time-resolved spectra and polarization studies: Synchrotron Origin?

Rahul Gupta, S. Gupta, T. Chattopadhyay +47

Multi-pulsed GRB 190530A, detected by the GBM and LAT onboard \fermi, is the sixth most fluent GBM burst detected so far. This paper presents the timing, spectral, and polarimetric…