Simultaneous Chandra and NuSTAR View of the Bursting Pulsar
Abstract
The LMXB GRO J1744-28 entered a new episode of activity at the beginning of 2014, after nearly 18 years of quiescence. During outburst, the luminosity of this unique source reaches the Eddington luminosity, and, aside from the rapid burster, it is the only source showing type II bursts, followed by a dip in the persistent emission intensity. We will discuss here nearly three hours of simultaneous Chandra HETG and NuSTAR observations. The high spectral resolution of Chandra gratings and the broad energy coverage of NuSTAR allowed for an unprecedented look at the source bursts, dips, and persistent emission spectra during outburst.
- Publication:
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AAS/High Energy Astrophysics Division #14
- Pub Date:
- August 2014
- Bibcode:
- 2014HEAD...1410503Y