3 papers
astro-ph.HE2026
Multi-TeV -ray candidates from GRB 221009A: a downturn in the intrinsic -ray spectrum, an echo of the prompt emission phase, and intergalactic electromagnetic cascades
Timur A. Dzhatdoev, Jagdish C. Joshi, Abhijit Roy +2
The detection of -ray candidates up to the energy of 13 TeV from the exceptionally bright -ray burst GRB 221009A by the Large High Altitude Air-Shower Observatory (L…
astro-ph.HE2026
Constraints on GRB Jet Properties from IceCube Upper Limits: Insights from GRB 221009A and GRB 240825A
Chiranjeet Pradhan, Khushboo Sharma, Abhijit Roy +1
The IceCube neutrino telescope has provided upper limits on neutrino emission from gamma ray bursts. These constraints provided by the IceCube detector have been instrumental in in…
astro-ph.HE2025
Hadronic Emissions from the Microquasar V4641 Sgr, SS433, and its implications in the Diffuse Galactic Emission
Basanti Paul, Abhijit Roy, Jagdish C. Joshi +1
Microquasars (MQs) are Galactic binary systems, consisting of a star and a compact object, a neutron star or a stellar mass black hole, which accretes matter from its companion sta…