SDSS J084539.17+225728.0 - Asteroids around a helium-rich white dwarf?

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SDSS J084539.17+225728.0 - Asteroids around a helium-rich white dwarf?

Post by Lazarus on 17th September 2008, 7:56 am

SDSSJ084539.17+225728.0: the first DBZ white dwarf with a metal-rich gaseous debris disc
The metal-rich nature of the disc implies it may have been formed from the disruption of rocky (asteroid) material. The disc shows signs that it is eccentric.
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