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Contact: Linda Vu
DOE/Lawrence Berkeley National Laboratory

PTF 11kx (1 of 2)

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Caption: This video shows an artist's conception of a binary star system that produces recurrent novae, and ultimately, the supernova PTF 11kx. A red giant star (foreground) loses some of its outer layers though a stellar wind, and some of it forms a disk around a companion white dwarf star. This material falls onto the white dwarf, causing it to experience periodic nova eruptions every few decades. When the mass builds up to near the ultimate limit a white dwarf star can take, it explodes as a Type Ia supernova, destroying the white dwarf.

Credit: Romano Corradi and the Instituto de Astrofísica de Canarias

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Related news release: Supernovae of the same brightness, cut from vastly different cosmic cloth

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