The continuum-fitting and the iron line methods are leading techniques capable of probing the spacetime geometry around astrophysical black hole candidates and testing the no-hair theorem. In the present paper, we review the two approaches, from the astrophysical models and their assumptions, to the constraining power with present and future facilities.
No takes yet. Share an insight, caveat, or question.
A 2016 study studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: