Matches in SemOpenAlex for { <https://semopenalex.org/work/W3093850760> ?p ?o ?g. }
- W3093850760 endingPage "3666" @default.
- W3093850760 startingPage "3640" @default.
- W3093850760 abstract "ABSTRACT The two established techniques for measuring black hole spin in X-ray binaries often yield conflicting results, which must be resolved before either method may be deemed robust. In practice, black hole spin measurements based on fitting the accretion disc continuum effectively do not marginalize over the colour-correction factor fcol. This factor parametrizes spectral hardening of the disc continuum by the disc atmosphere, whose true properties are poorly constrained. We incorporate reasonable systematic uncertainties in fcol into the eight (non-maximal) black hole spin measurements vetted by the disc continuum fitting community. In most cases, an fcol uncertainty of ±0.2–0.3 dominates the black hole spin error budget. We go on to demonstrate that plausible departures in fcol values from those adopted by the disc continuum fitting practitioners can bring the discrepant black hole spins into agreement with those from iron line modelling. Systematic uncertainties in fcol, such as the effects of strong magnetization, should be better understood before dismissing their potentially dominant impact on the black hole spin error budget." @default.
- W3093850760 created "2020-10-29" @default.
- W3093850760 creator A5010540330 @default.
- W3093850760 creator A5060481245 @default.
- W3093850760 date "2020-10-27" @default.
- W3093850760 modified "2023-10-11" @default.
- W3093850760 title "Black hole spin in X-ray binaries: giving uncertainties an <i>f</i>" @default.
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