Tag Archive for WD 0121-756

This artist’s illustration depicts what Chu et al. think is happening in the binary system KPD 0005+5106. The data suggest the white dwarf (blue sphere) is blasting a companion object (brown and red object on right), which is either a low-mass star or planet, with waves of heat and radiation. The white dwarf is also pulling material from the companion into a disk around itself, which the artist shows in orange, before it slams into its north and south poles. This process is contributing to the destruction of the companion through powerful gravitational forces. Image credit: NASA / CXC / M. Weiss / ASIAA / Chu et al.

Hard X-Ray Emission from White Dwarfs Reveals Their Hidden Companions

Nov 23, 2021 by News Staff

Using NASA’s Chandra X-ray Observatory and ESA’s XMM-Newton satellite, astronomers have investigated unusual X-ray activity in three white dwarfs:...

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