PoS - Proceedings of Science
Volume 306 - XII Multifrequency Behaviour of High Energy Cosmic Sources Workshop (MULTIF2017) - Astrophysics of High Energy Cosmic Sources
Sgr A*, the best-sampled of all AGN?
W. Kundt
Full text: pdf
Pre-published on: March 23, 2018
Published on: May 30, 2018
Abstract
In this essay, I will update my earlier talk on this Galactic source, given on Vulcano Island in spring 2012, [Kundt, 2013]. My conviction has not really changed since: that with Sgr A*, we deal with a Burning Disk (BD), rather than with a Supermassive Black Hole (SMBH), for an ever increasing number of reasons. Astrophysical disks give birth to stars, jets, planets, and moons when of stellar mass, and to galaxy-scale fountains and jets when distinctly more massive, as long as they contain enough nuclear fuel, including hydrogen. They re-eject their inspiralling matter explosively. Luckily, our present Universe turns out to be stable against the formation of Black Holes (BHs), and likewise of Naked Singularities (NSs).
DOI: https://doi.org/10.22323/1.306.0050
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