activity
20052026
most citedA Photometric Redshift of z ~ 9.4 for GRB 090429B

482 citations · 2.7k across the 24 of their papers we have counts for

collaborators

22 papers

astro-ph.HE2026

Early Optical Follow-up of Gamma-Ray Bursts: The Critical Role of Robotic Telescopes

Rahul Gupta, Judith Racusin, Gor Oganesyan +26

Gamma-ray bursts (GRBs) are the most luminous electromagnetic explosions in the Universe, and offer unique laboratories for studying relativistic jets, compact-object formation, pa…

astro-ph.HE2013★ 18 cited

The optical rebrightening of GRB100814A: an interplay of forward and reverse shocks?

Massimiliano De Pasquale, N. P. M. Kuin, S. Oates +36

We present a wide dataset of gamma-ray, X-ray, UVOIR, and radio observations of the Swift GRB100814A. At the end of the slow decline phase of the X-ray and optical afterglow, this…

astro-ph.HE2012★ 194 cited

The structure and emission model of the relativistic jet in the quasar 3C 279 inferred from radio to high-energy gamma-ray observations in 2008-2010

M. Hayashida, G. M. Madejski, K. Nalewajko +90

We present time-resolved broad-band observations of the quasar 3C 279 obtained from multi-wavelength campaigns conducted during the first two years of the Fermi Gamma-ray Space Tel…

astro-ph.HE2012★ 30 cited

Identifying the Location in the Host Galaxy of the Short GRB 111117A with the Chandra Sub-arcsecond Position

T. Sakamoto, E. Troja, K. Aoki +31

We present our successful Chandra program designed to identify, with sub-arcsecond accuracy, the X-ray afterglow of the short GRB 111117A, which was discovered by Swift and Fermi.…

astro-ph.HE2012★ 35 cited

Broadband study of GRB 091127: a sub-energetic burst at higher redshift?

E. Troja, T. Sakamoto, C. Guidorzi +21

GRB 091127 is a bright gamma-ray burst (GRB) detected by Swift at a redshift z=0.49 and associated with SN 2009nz. We present the broadband analysis of the GRB prompt and afterglow…

astro-ph.HE2011★ 49 cited

Panchromatic observations of the textbook GRB 110205A: constraining physical mechanisms of prompt emission and afterglow

W. Zheng, R. F. Shen, T. Sakamoto +56

We present a comprehensive analysis of a bright, long duration (T90 ~ 257 s) GRB 110205A at redshift z= 2.22. The optical prompt emission was detected by Swift/UVOT, ROTSE-IIIb and…