SIMBAD references

2022MNRAS.514.1952J - Mon. Not. R. Astron. Soc., 514, 1952-1960 (2022/August-1)

A NuSTAR and Swift view of the hard state of MAXI J1813-095.

JIANG J., BUISSON D.J.K., DAUSER T., FABIAN A.C., FURST F., GALLO L.C., HARRISON F.A., PARKER M.L., STEINER J.F., TOMSICK J.A., UBACH S. and WALTON D.J.

Abstract (from CDS):

We present an analysis of the NuSTAR and Swift spectra of the black hole candidate MAXI J1813-095 in a failed-transition outburst in 2018. The NuSTAR observations show evidence of reflected emission from the inner region of the accretion disc. By modelling the reflection component in the spectra, we find a disc inner radius of Rin < 7 rg. This result suggests that either a slightly truncated disc or a non-truncated disc forms at a few per cent of the Eddington limit in MAXI J1813-095. Our best-fitting reflection models indicate that the geometry of the innermost accretion remains consistent during the period of NuSTAR observations. The spectral variability of MAXI J1813-095 from multi-epoch observations is dominated by the variable photon index of the Comptonization emission.

Abstract Copyright: © 2022 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): accretion, accretion discs - black hole physics - X-rays: binaries

Simbad objects: 8

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