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The Gamow Explorer: A gamma-ray burst observatory to study the high redshift universe and enable multi-messenger astrophysics
N. E. White, F. E. Bauer, W. Baumgartner +63
The Gamow Explorer will use Gamma Ray Bursts (GRBs) to: 1) probe the high redshift universe (z > 6) when the first stars were born, galaxies formed and Hydrogen was reionized; and…
Gravitational Waves and Gamma-rays from a Binary Neutron Star Merger: GW170817 and GRB 170817A
LIGO Scientific Collaboration, Virgo Collaboration, Fermi Gamma-Ray Burst Monitor +1
On 2017 August 17, the gravitational-wave event GW170817 was observed by the Advanced LIGO and Virgo detectors, and the gamma-ray burst (GRB) GRB 170817A was observed independently…
Swift follow-up of the Gravitational Wave source GW150914
P. A. Evans, J. A. Kennea, S. D. Barthelmy +22
The Advanced LIGO observatory recently reported the first direct detection of gravitational waves (GW) which triggered ALIGO on 2015 September 14. We report on observations taken w…
Optimisation of the Swift X-ray follow-up of Advanced LIGO and Virgo gravitational wave triggers in 2015--16
P. A. Evans, J. P. Osborne, J. A. Kennea +7
One of the most exciting near-term prospects in physics is the potential discovery of gravitational waves by the advanced LIGO and Virgo detectors. To maximise both the confidence…
Redshift and spatial distribution of the intermediate gamma-ray bursts
I. Horvath, Z. Bagoly, A. de Ugarte Postigo +2
One of the most important task of the Gamma-Ray Burst field is the classification of the bursts. Many researches have proven the existence of the third kind (intermediate duration)…
Evidence for jet launching close to the black hole in GRB 101219B - a Fermi GRB dominated by thermal emission
J. Larsson, J. L. Racusin, J. M. Burgess
We present observations by the Fermi Gamma-Ray Space Telescope Gamma-Ray Burst Monitor (GBM) of the nearby (z=0.55) GRB 101219B. This burst is a long GRB, with an associated supern…
Photometry of Some Recent Gamma-ray Bursts
József Kóbori, János Kelemen, Péter Veres +2
We present the results of the optical, X-ray and gamma-ray analysis of some recent GRBs. The data were obtained by the automated P60 telescope and the Swift telescope (UVOT, XRT an…
Search for neutrinos from Gamma-Ray Bursts with ANTARES
Eleonora Presani
A method to search for neutrino induced showers from gamma-ray bursts in the ANTARES detector is presented. ANTARES consists of a three-dimensional array of photosensitive devices…
Afterglows of Mildly Relativistic Supernovae: Baryon Loaded Blastwaves
Sayan Chakraborti, Alak Ray
Relativistic supernovae have been discovered until recently only through their association with long duration Gamma Ray Bursts (GRB). As the ejecta mass is negligible in comparison…
Catching GRBs with atmospheric Cherenkov telescopes
Rudy C. Gilmore, Joel R. Primack, Aurelien Bouvier +1
Fermi has shown GRBs to be a source of >10 GeV photons. We present an estimate of the detection rate of GRBs with a next generation Cherenkov telescope. Our predictions are based o…
Spectral curvature behavior during X-ray flares in GRB afterglow emission
F. Massaro, J. E. Grindlay
One of the most impressive recent discovery of SWIFT is the evidence that X-ray flares occurring during the GRB afterglows are quite common, being observed in roughly 50% of the af…
Do Fermi-LAT observations really imply very large Lorentz factors in GRB outflows ?
R. Hascoët, V. Vennin, F. Daigne +1
Recent detections of GeV photons in a few GRBs by Fermi-LAT have led to strong constraints on the bulk Lorentz factor in GRB outflows. To avoid a large gamma gamma optical depth, m…