Published in

Oxford University Press (OUP), Monthly Notices of the Royal Astronomical Society, 1(490), p. 1166-1170, 2019

DOI: 10.1093/mnras/stz2627

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VTC J095517.5 + 690813: A radio transient from the accretion-induced collapse of a white dwarf?

Journal article published in 2019 by Takashi J. Moriya ORCID
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

Full text: Unavailable

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Published version: archiving allowed
Data provided by SHERPA/RoMEO

Abstract

ABSTRACT I investigate the possibility that a recently reported radio transient in M81, VTC J095517.5 + 690813, was caused by the accretion-induced collapse of a white dwarf. It became bright in the radio, but no associated optical transient was discovered. An accretion-induced collapse is predicted to be radio-bright but optically faint, satisfying the observed properties. I compare the predicted radio emission from an accretion-induced collapse with that of VTC J095517.5 + 690813 and show that this object can be reasonably explained by an accretion-induced collapse. Although it is difficult to firmly conclude that VTC J095517.5 + 690813 is an accretion-induced collapse, my results show that radio-bright transients without an optical counterpart could be related to stellar deaths.

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