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A Spectroscopic Angle on Central Engine Size Scales in Accreting Neutron Stars
Nicolas Trueba, J. M. Miller, A. C. Fabian +9
Analyses of absorption from disk winds and atmospheres in accreting compact objects typically treat the central emitting regions in these systems as point sources relative to the a…
Frequency-resolved lags in UV/optical continuum reverberation mapping
Edward M. Cackett, Abderahmen Zoghbi, Otho Ulrich
In recent years, continuum reverberation mapping involving high cadence UV/optical monitoring campaigns of nearby Active Galactic Nuclei has been used to infer the size of their ac…
The Spin and Orientation of the Black Hole in XTE J1908094
Paul A. Draghis, Jon M. Miller, Abderahmen Zoghbi +3
NuSTAR observed the black hole candidate XTE J1908094 during its 2013 and 2019 outbursts. We use relativistic reflection to measure the spin of the black hole through 19 differe…
The Inner Accretion Flow in the Resurgent Seyfert-1.2 AGN Mrk 817
J. M. Miller, Z. Zoghbi, M. T. Reynolds +10
Accretion disks and coronae around massive black holes have been studied extensively, and they are known to be coupled. Over a period of 30 years, however, the X-ray (coronal) flux…
A Hard Look At Relativistic Reverberation in MCG-5-23-16 & SWIFT J2127.4+5654: Testing the Lamp-Post Model
A. Zoghbi, J. M. Miller, E. Cackett
X-ray reverberation mapping has emerged as a new tool to probe accretion in AGN, providing a potentially powerful probe of accretion at the black hole scale. The lags, along with r…