TY - JOUR
T1 - BURST and OUTBURST CHARACTERISTICS of MAGNETAR 4U 0142+61
AU - Gögüş, Ersin
AU - Lin, Lin
AU - Roberts, Oliver J.
AU - Chakraborty, Manoneeta
AU - Kaneko, Yuki
AU - Gill, Ramandeep
AU - Granot, Jonathan
AU - Horst, Alexander J.Van Der
AU - Watts, Anna L.
AU - Baring, Matthew
AU - Kouveliotou, Chryssa
AU - Huppenkothen, Daniela
AU - Younes, George
N1 - Publisher Copyright:
© 2017. The American Astronomical Society. All rights reserved.
PY - 2017/1/20
Y1 - 2017/1/20
N2 - We have compiled the most comprehensive burst sample from magnetar 4U 0142+61, comprising 27 bursts from its three burst-active episodes in 2011, 2012 and the latest one in 2015 observed with Swift/Burst Alert Telescope and Fermi/Gamma-ray Burst Monitor. Bursts from 4U 0142+61 morphologically resemble typical short bursts from other magnetars. However, 4U 0142+61 bursts are less energetic compared to the bulk of magnetar bursts. We uncovered an extended tail emission following a burst on 2015 February 28, with a thermal nature, cooling over a timescale of several minutes. During this tail emission, we also uncovered pulse peak phase aligned X-ray bursts, which could originate from the same underlying mechanism as that of the extended burst tail, or an associated and spatially coincident but different mechanism.
AB - We have compiled the most comprehensive burst sample from magnetar 4U 0142+61, comprising 27 bursts from its three burst-active episodes in 2011, 2012 and the latest one in 2015 observed with Swift/Burst Alert Telescope and Fermi/Gamma-ray Burst Monitor. Bursts from 4U 0142+61 morphologically resemble typical short bursts from other magnetars. However, 4U 0142+61 bursts are less energetic compared to the bulk of magnetar bursts. We uncovered an extended tail emission following a burst on 2015 February 28, with a thermal nature, cooling over a timescale of several minutes. During this tail emission, we also uncovered pulse peak phase aligned X-ray bursts, which could originate from the same underlying mechanism as that of the extended burst tail, or an associated and spatially coincident but different mechanism.
KW - X-rays: stars
KW - pulsars: individual (4U 0142+61)
KW - stars: magnetars
UR - http://www.scopus.com/inward/record.url?scp=85011349955&partnerID=8YFLogxK
U2 - 10.3847/1538-4357/835/1/68
DO - 10.3847/1538-4357/835/1/68
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AN - SCOPUS:85011349955
SN - 0004-637X
VL - 835
JO - Astrophysical Journal
JF - Astrophysical Journal
IS - 1
M1 - 68
ER -