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Space Telescope and Optical Reverberation Mapping Project VI: reverberating Disk Models for NGC 5548
D. Starkey, Keith Horne, M. M. Fausnaugh +90
We conduct a multiwavelength continuum variability study of the Seyfert 1 galaxy NGC 5548 to investigate the temperature structure of its accretion disk. The 19 overlapping continu…
The Future of X-ray Reverberation from AGN
A. C. Fabian, W. N. Alston, E. M. Cackett +3
XMM-Newton is capable of making a transformational advance in our understanding of how luminous accreting black holes work, by dedicating about 10 per cent of future observing time…
Spectral-Timing Analysis of the Lower kHz QPO in the Low-Mass X-ray Binary Aquila X-1
Jon S. Troyer, Edward M. Cackett
Spectral-timing products of kilohertz quasi-periodic oscillations (kHz QPOs) in low-mass X-ray binary (LMXB) systems, including energy- and frequency-dependent lags, have been anal…
Potential cooling of an accretion-heated neutron star crust in the low-mass X-ray binary 1RXS J180408.9-342058
Aastha S. Parikh, Rudy Wijnands, Nathalie Degenaar +11
We have monitored the transient neutron star low-mass X-ray binary 1RXS J180408.9-342058 in quiescence after its ~4.5 month outburst in 2015. The source has been observed using Swi…
A Reverberation-Based Black Hole Mass for MCG-06-30-15
Misty C. Bentz, Edward M. Cackett, D. Michael Crenshaw +3
We present the results of a reverberation campaign targeting MGC-06-30-15. Spectrophotometric monitoring and broad-band photometric monitoring over the course of 4 months in the sp…
The thermal state of KS 1731-260 after 14.5 years in quiescence
Rachael L. Merritt, Edward M. Cackett, Edward F. Brown +7
Crustal cooling of accretion-heated neutron stars provides insight into the stellar interior of neutron stars. The neutron star X-ray transient, KS~1731260, was in outburst for…