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On the non-occurrence of Type I X-ray bursts from the Black Hole Candidates | | Abhas Mitra
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6 Oct 2005 | | Abstract: | Several authors have justifiably questioned that if the Black Hole Candidates (BHCs) have ``hard surface’’ why Type I X-ray bursts are not seen from them. It is pointed out that a ``physical surface’’ need not always be ``hard’’ and instead could be ``gaseous’’ in case the compact object is sufficiently hot. Even if a ``hard surface’’ would be there, the presence of strong strong intrinsic magnetic field could inhibit Type I X-ray burst from a compact object as is the case for Her X-1. Thus, non-occurrence of Type I bursts actually rules out those alternatives of BHs which are either non-magnetized or COLD and, hence, is no evidence for existence of Event Horizons (EHs). On the other hand, from the first principle, we again show that the BHCs being uncharged and having finite masses cannot be BHs, because uncharged BHs have a unique mass M=0. Thus the previous results that the so-called BHCs are actually extremely HOT, ultramagnetized, Magnetospheric Eternally Collapsing Objects (MECOs)($www.phys.uni-sofia.bg/~astro.html$) rather than anything else get reconfirmed by non-occurrence of Type I X-ray bursts in BHCs. | | Source: | arXiv, astro-ph/0510162 | | Services: | Forum | Review | PDF | Favorites | |
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