TY - JOUR
T1 - A Study of GRBs with Low-luminosity Afterglows
AU - Dereli, H.
AU - Boër, M.
AU - Gendre, B.
AU - Amati, L.
AU - Dichiara, S.
AU - Orange, N. B.
N1 - Publisher Copyright:
© 2017. The American Astronomical Society. All rights reserved..
PY - 2017/12/1
Y1 - 2017/12/1
N2 - We present a sample composed of the 41 faintest X-ray afterglows of the population of long gamma-ray bursts (lGRBs) with known redshift. We study their intrinsic properties (spectral index, decay index, distance, luminosity, isotropic radiated energy, and peak energy) and their luminosity distribution functions to assess whether they belong to the same population as the brighter afterglow events. We find that these events belong to a population of nearby ones, different from the general population of lGRBs. In addition, these events are faint during their prompt phase, and include the few possible outliers of the Amati relation.
AB - We present a sample composed of the 41 faintest X-ray afterglows of the population of long gamma-ray bursts (lGRBs) with known redshift. We study their intrinsic properties (spectral index, decay index, distance, luminosity, isotropic radiated energy, and peak energy) and their luminosity distribution functions to assess whether they belong to the same population as the brighter afterglow events. We find that these events belong to a population of nearby ones, different from the general population of lGRBs. In addition, these events are faint during their prompt phase, and include the few possible outliers of the Amati relation.
UR - http://www.scopus.com/inward/record.url?scp=85037706168&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85037706168&partnerID=8YFLogxK
U2 - 10.3847/1538-4357/aa947d
DO - 10.3847/1538-4357/aa947d
M3 - Article
AN - SCOPUS:85037706168
SN - 0004-637X
VL - 850
JO - Astrophysical Journal
JF - Astrophysical Journal
IS - 2
M1 - 117
ER -