Results 31 to 40 of about 245,674 (370)
Short Gamma Ray Bursts as possible electromagnetic counterpart of coalescing binary systems [PDF]
, 2010 Coalescing binary systems, consisting of two collapsed objects, are among the most promising sources of high frequency gravitational waves signals detectable, in principle, by ground-based interferometers.
A. Abramovici +38 more
core +1 more source
Stars and Stellar Processes, 2016 Gamma-ray bursts (GRBs) are short periods of γ-rays (high energy light waves) that are detected on Earth. They were originally detected by satellites that were designed to watch for nuclear weapons tests on Earth. GRBs are difficult to study because they
Frédéric Daigne
semanticscholar +1 more source
Physical Review D, 2017 Many theories of dark matter (DM) predict that DM particles can be captured by stars via scattering on ordinary matter. They subsequently condense into a DM core close to the center of the star and eventually annihilate. In this work, we trace DM capture and annihilation rates throughout the life of a massive star and show that this evolution ...
Brdar, Vedran, Kopp, Joachim, Liu, Jia
openaire +3 more sources
Model Constraints Based on the IceCube Neutrino Nondetection of GRB 221009A
The Astrophysical Journal, 2023 GRB 221009A is a bright gamma-ray burst (GRB) with isotropic energy larger than 10 ^54 erg. Its fairly low redshift makes it a promising candidate for high-energy neutrino detection.
Shunke Ai, He Gao
doaj +1 more source
GRB Redshift determination in the X-ray band [PDF]
, 1999 If gamma-ray bursts originate in dense stellar forming regions, the interstellar material can imprint detectable absorption features on the observed X-ray spectrum.
. +5 more
core +2 more sources
Superlong gamma-ray bursts [PDF]
Astronomy Letters, 2005 Before the BATSE/GRO launch GRBs seem to be a uniform phenomenon with duration up to about 100 seconds. The BATSE has detected many events longer than 100 s and a few longer than 500s. We performed the off-line scan of the 1024 ms continuous BATSE records and revealed several non-triggered episodes of the BATSE GRB triggers which confidently belong to ...
Ya. Yu. Tikhomirova, Boris E. Stern
openaire +3 more sources
International Astronomical Union Colloquium, 2005 SummarySince their discovery in 1967 Gamma-ray bursts (GRBs) have been puzzling to astrophysicists. With the advent of a new generation of X–ray satellites in the late 90’s, it was possible to carry out deep multi-wavelength observations of the counterparts associated with the long duration GRBs class just within a few hours of occurrence, thanks to ...
openaire +4 more sources
Black Hole Accretion in Gamma Ray Bursts
Galaxies, 2017 We study the structure and evolution of the hyperaccreting disks and outflows in the gamma ray bursts central engines. The torus around a stellar mass black hole is composed of free nucleons, Helium, electron-positron pairs, and is cooled by neutrino ...
Agnieszka Janiuk +3 more
doaj +1 more source
Repeating Emission Episodes in Gamma-Ray Bursts: Millilensing or Jet Precession?
The Astrophysical Journal, 2023 Recently, some gamma-ray bursts (GRBs) whose light curves consist of repeating emission episodes with similar temporal profiles have attracted extensive attention.
He Gao +3 more
doaj +1 more source
Relativistic Conic Beams and Spatial Distribution of Gamma-Ray Bursts [PDF]
, 2000 We study the statistics of gamma-ray bursts, assuming that gamma-ray bursts are cosmological and they are beamed in the form of a conical jet with a large bulk Lorentz factor $\sim 100$.
Heon‐Young Chang, Insu Yi, Renaud N.
core +6 more sources