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WikiProject Astronomy / Astronomical objects  (Rated Stub-class, Low-importance)
WikiProject icon A0620-00 is within the scope of WikiProject Astronomy, which collaborates on articles related to Astronomy on Wikipedia.
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CalRis (talk) 11:28, 9 February 2014 (UTC): I suggest removing the "candidate black hole"-status of A0620-00 and label the dark object as a confirmed black hole. Reason: J. Casares and P.G. Jonker collect in their 2013-Paper Mass Measurements of Stellar and Intermediate-Mass Black-Holes mass measurements for various black hole x-ray transients, among them A0620-00. The minimal masses from various papers are given as 7.3, 4.1, 5, 3.3, 11.0, and 6.6. Casares/Jonker recommend the value of 6.6 (± 0.3) as the likeliest value. These values are all above the upper masses of neutron stars as defined by the Tolman–Oppenheimer–Volkoff limit. And although that upper limit is not exactly known, the masses given are all well above that limit. The only outlier is the mass of 3.3, but that one is the lower limit of a mass estimate of 3.3−13.6 solar masses. Also Kuulkers et al. call A0620-00 in their 2013-paper MAXI J1659-152: The shortest orbital period black-hole transient in outburst A0620-00 the very first transient source with a confirmed black hole. Bye, CalRis.

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