论文标题
X射线二进制文件中的黑洞旋转：给不确定性$ f $
Black Hole Spin in X-ray Binaries: Giving Uncertainties an $f$
论文作者
论文摘要
在X射线二进制中测量黑洞自旋的两种已建立的技术通常会产生相互矛盾的结果，必须在两种方法都认为这是强大的之前就必须解决的。在实践中，基于拟合积聚光盘连续体的黑洞旋转测量有效地不会在颜色校正因子$ f _ {\ mathrm {col}} $上边缘化。该因子参数通过圆盘大气的圆盘连续谱进行了参数，其真实性质受到限制不佳。我们将合理的系统不确定性纳入$ f _ {\ mathrm {col}} $中的八个（非最大）黑洞旋转测量结果，该测量由光盘连续拟合社区审查。在大多数情况下，$ f _ {\ mathrm {col}} $ $ \ pm的不确定性$ 0.2-0.3主导了黑洞旋转错误预算。我们继续证明，$ f _ {\ mathrm {col}} $值中的合理出发来自光盘连续拟合从业者所采用的人的值，可以使差异黑洞旋转与铁线建模的人一致。在$ f _ {\ mathrm {col}} $中的系统不确定性，例如强磁化的效果，在否定其对黑洞旋转误差预算的潜在主导影响之前，应更好地理解。
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 $f_{\mathrm{col}}$. 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 $f_{\mathrm{col}}$ into the eight (non-maximal) black hole spin measurements vetted by the disc continuum fitting community. In most cases, an $f_{\mathrm{col}}$ uncertainty of $\pm$0.2-0.3 dominates the black hole spin error budget. We go on to demonstrate that plausible departures in $f_{\mathrm{col}}$ values from those adopted by the disc continuum fitting practitioners can bring the discrepant black hole spins into agreement with those from iron line modeling. Systematic uncertainties in $f_{\mathrm{col}}$, such as the effects of strong magnetization, should be better understood before dismissing their potentially dominant impact on the black hole spin error budget.
