Browsing by Author "Basak, Arkadip"

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An Empirical Background Model for the NICER X-Ray Timing Instrument

Remillard, Ronald A.; Loewenstein, Michael; Steiner, James F.; Prigozhin, Gregory Y.; LaMarr, Beverly; Enoto, Teruaki; Gendreau, Keith C.; Arzoumanian, Zaven; Markwardt, Craig; Basak, Arkadip; Stevens, Abigail L.; Ray, Paul S.; Altamirano, Diego; Buisson, Douglas J. K. (2022)

Neutron Star Interior Composition Explorer has a comparatively low background rate, but it is highly variable, and its spectrum must be predicted using measurements unaffected by the science target. We describe an empirical, ...
Evidence for a dynamic corona in the short-term time lags of black hole X-ray binary MAXI J1820+070

Bollemeijer, Niek; Uttley, Phil; Basak, Arkadip; Ingram, Adam; van den Eijnden, Jakob; Alabarta, Kevin; Altamirano, Diego; Arzoumanian, Zaven; Buisson, Douglas J. K.; Fabian, Andrew C.; Ferrara, Elizabeth; Gendreau, Keith; Homan, Jeroen; Kara, Erin; Markwardt, Craig; Remillard, Ronald A.; Sanna, Andrea; Steiner, James F.; Tombesi, Francesco; Wang, Jingyi; Wang, Yanan; Zoghbi, Abderahmen (2024)

In X-ray observations of hard state black hole X-ray binaries (BHXRBs), rapid variations in accretion disc and coronal power-law emission are correlated and show Fourier-frequency-dependent time lags. On short ($\sim$0.1 ...

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