X-rays observations of a super-Chandrasekhar object reveal an ONeMg and a CO white dwarf merger product embedded in a putative SN Iax remnant
Lidia M. Oskinova,
Vasilii V. Gvaramadze,
Goetz Graefener
et al.
Abstract:The merger of two white dwarfs (WD) is a natural outcome from the evolution of many binary stars. Recently, a super-Chandrasekhar WD merger product, IRAS 00500+6713, was identified. IRAS 00500+6713 consists of a central star embedded in a circular nebula. The analysis of the optical spectrum of the central star revealed that it is hot, hydrogen and helium free, and drives an extremely fast wind with a record breaking speed. The nebula was first detected in infrared but it is not visible neither in the optical … Show more
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