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Systematic study of the peak energy of the broad-band Gamma-Ray Burst
Daisuke Katsukura, Takanori Sakamoto, Makoto S. Tashiro +1
We have performed a systematic study of Gamma-Ray Bursts (GRBs), which have various values in the peak energy of the spectrum of the prompt emission, , observe…
Swift-XRT Follow-up of Gravitational Wave Triggers in the Second Advanced LIGO/Virgo Observing Run
N. J. Klingler, J. A. Kennea, P. A. Evans +37
The Neil Gehrels Swift Observatory carried out prompt searches for gravitational wave (GW) events detected by the LIGO/Virgo Collaboration (LVC) during the second observing run ("O…
Less noticeable shallow decay phase in early X-ray afterglows of GeV/TeV-detected gamma-ray bursts
Ryo Yamazaki, Yuri Sato, Takanori Sakamoto +1
The nature of the shallow decay phase in the X-ray afterglow of the gamma-ray burst (GRB) is not yet clarified. We analyze the data of early X-ray afterglows of 26 GRBs triggered b…
A high-magnetic-field radio pulsar survey with Swift/XRT
Eri Watanabe, Shinpei Shibata, Takanori Sakamoto +1
We present the X-ray survey results of high-magnetic-field radio pulsars (high-B PSRs) with Swift/XRT. X-ray observations of the rotation-powered pulsars with the dipole magnetic f…
NICER Observations of the 2018 Outburst of XTE J1810-197
Tolga Guver, Ersin Gogus, Eda Vurgun +9
We present the earliest available soft X-ray observations of XTE J1810-187, the prototypical transient magnetar, obtained 75--84 days after its 2018 outburst with the Neutron Star…
The afterglow and kilonova of the short GRB 160821B
E. Troja, A. J. Castro-Tirado, J. Becerra Gonzalez +22
GRB 160821B is a short duration gamma-ray burst (GRB) detected and localized by the Neil Gehrels Swift Observatory in the outskirts of a spiral galaxy at z=0.1613, at a projected p…