Image of the accretion disk: A snapshot of the binary star system before the violent supernova explosion blew it to pieces. This material relates to a paper that appeared in the 18 August 2017, issue of Science, published by AAAS. The paper, by S. Vennes at Astronomical Institute of Czech Academy of Sciences in Ondrejov, Czech Republic, and colleagues was titled, “An unusual white dwarf star may be a surviving remnant of a subluminous Type Ia supernova.”
Astronomers have identified a white dwarf star in our galaxy that may be the leftover remains of a recently discovered type of supernova. The properties of this unusual white dwarf, known as LP 40-365, may help scientists determine how such unusual supernovae are created, say Stephane Vennes and colleagues.
A common group of exploding star...
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