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NuSTAR observation of a Type I X-ray burst from GRS 1741.9-2853
Nicolas M. Barrière, Roman Krivonos, John A. Tomsick +11
We report on two NuSTAR observations of GRS 1741.9-2853, a faint neutron star low mass X-ray binary burster located 10' away from the Galactic center. NuSTAR detected the source se…
New Constraints on the Black Hole Low/Hard State Inner Accretion Flow with NuSTAR
J. M. Miller, J. A. Tomsick, M. Bachetti +12
We report on an observation of the Galactic black hole candidate GRS 1739-278 during its 2014 outburst, obtained with NuSTAR. The source was captured at the peak of a rising "low/h…
An Ultraluminous X-ray Source Powered by An Accreting Neutron Star
M. Bachetti, F. A. Harrison, D. J. Walton +21
Ultraluminous X-ray sources (ULX) are off-nuclear point sources in nearby galaxies whose X-ray luminosity exceeds the theoretical maximum for spherical infall (the Eddington limit)…
NuSTAR Discovery of a Cyclotron Line in the Be/X-ray Binary RX J0520.5-6932 During Outburst
Shriharsh P. Tendulkar, Felix Fürst, Katja Pottschmidt +11
We present spectral and timing analysis of NuSTAR observations of RX J0520.56932 in the 3-79 keV band collected during its outburst in January 2014. The target was observed on t…
No Time for Dead Time: Timing analysis of bright black hole binaries with NuSTAR
Matteo Bachetti, Fiona A. Harrison, Rick Cook +20
Timing of high-count rate sources with the NuSTAR Small Explorer Mission requires specialized analysis techniques. NuSTAR was primarily designed for spectroscopic observations of s…
Timing and Flux Evolution of the Galactic Center Magnetar SGR J1745-2900
V. M. Kaspi, R. F. Archibald, V. Bhalerao +19
We present the X-ray timing and spectral evolution of the Galactic Center magnetar SGR J1745-2900 for the first ~4 months post-discovery using data obtained with the Nuclear Spectr…