The redshift and afterglow of the extremely energetic gamma-ray burst GRB 080916C

J Greiner, C Clemens, T Krühler, A Von Kienlin… - Astronomy & …, 2009 - aanda.org
… of $\Gamma$ . It is interesting to note that our lower limit on $\Gamma$ for GRB 080916C
is … Whether or not this is related to the GeV emission in GRB 080916C remains to be seen. …

Prompt GeV emission from residual collisions in gamma-ray burst outflows: Evidence from Fermi observations of GRB 080916C

Z Li - The Astrophysical Journal, 2010 - iopscience.iop.org
GRB 080916c might have presented a good sample. Observations do not show a simple
spectral cutoff, but a spectral tail up to 70 GeV in GRB … The features of GRB 080916c support …

Fermi observations of high-energy gamma-ray emission from GRB 080916C

AA Abdo, M Ackermann, M Arimoto, K Asano… - Science, 2009 - science.org
… of gamma-ray emission from the GRB 080916C detected by … In GRB 080916C, we did not
observe a spectral cutoff that … we may be underestimating the energetics of GRB 080916C. …

GRB 100614A and GRB 100615A: two extremely dark gamma-ray bursts

V D'Elia, G Stratta - Astronomy & Astrophysics, 2011 - aanda.org
… Long-duration gamma-ray bursts (GRBs) are high energy phenomena linked to the death of
… tail of the GRB distribution, the most energetic burst detected to date, GRB 080916C, having …

Fermi observations of high-energy gamma-ray emission from GRB 080825C

AA Abdo, M Ackermann, K Asano… - The Astrophysical …, 2009 - iopscience.iop.org
… This systematic error is larger than the one derived for the very bright GRB 080916C (≲0
fdg 1) because GRB 080825C occurred at a larger inclination angle and had a maximum …

… origins of cosmological gamma-ray bursts based on multiple observational criteria: the cases of z= 6.7 GRB 080913, z= 8.2 GRB 090423, and some short/hard GRBs

B Zhang, BB Zhang, FJ Virgili, EW Liang… - The Astrophysical …, 2009 - iopscience.iop.org
… We suggest that some (probably even most) high-luminosity short/hard GRBs instead belong
to Type II. Based on multiple observational criteria, we suggest that GRB 080913 and GRB

Fermi observations of high-energy gamma-ray emission from GRB 090217A

M Ackermann, M Ajello, L Baldini, J Ballet… - The Astrophysical …, 2010 - iopscience.iop.org
… We compare these observations to the first two LAT-detected, long bursts GRB 080825C
and GRB 080916C. These bursts were found to have time-dependent spectra and exhibited a …

GRB 080916C and GRB 090510: the high-energy emission and the afterglow

WH Gao, J Mao, D Xu, YZ Fan - The Astrophysical Journal, 2009 - iopscience.iop.org
… of GRB 080916C, however, hampers us to test the model. … GRB 080916C was from the soft
gamma-ray emitting region, a plausible origin of the GeV photons is the synchrotron radiation

GRB 080916C: On the radiation origin of the prompt emission from keV/MeV to GeV

XY Wang, Z Li, ZG Dai, P Mészáros - The Astrophysical Journal, 2009 - iopscience.iop.org
… -energy gamma-ray emission from GRB 080916C shows that … the source frame in GRB
080916C favors the Bohm diffusive … For GRB 080916C, we have obtained a constraint $\gamma

GRB 090926A and bright late-time Fermi large area telescope gamma-ray burst afterglows

CA Swenson, A Maxham, PWA Roming… - The Astrophysical …, 2010 - iopscience.iop.org
… In this Letter, we present the multiwavelength study of GRB 090926A, examining the X-ray
and UV/optical wavelengths as observed by Swift. In an attempt to understand the high …