RX-J0852−4622: THE NEAREST HISTORICAL SUPERNOVA REMNANT – AGAIN
DOI:
https://doi.org/10.14311/AP.2013.53.0617Abstract
RX-J0852−4622, a supernova remnant, is demonstrated to be closer than 500 pc, based on the measurements of the angular radius, the angular expansion rate and the TeV g-ray flux. This is a new method of limiting the distance to any supernova remnant with hadronic induced TeV g-ray flux. The progenitor star of RX-J0852−4622 probably exploded in its blue supergiant wind, like SN 1987A, preceeded by a red supergiant phase. A cool dense shell, expected around the outskirts of the red wind, my have been identified. The distance (200 pc) and age (680 yr) of the supernova remnant, originally proposed, are supported.Downloads
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