White Dwarf System

Recently, scientists used NASA’s Imaging X‑ray Polarization Explorer (IXPE) to study a white dwarf system for the first time as a structured, three-dimensional environment, rather than merely as a point source of X‑ray emission.

  • A white dwarf is the compact remnant of a Sun-like star that has exhausted its nuclear fuel.
  • Although roughly Earth-sized, it contains a mass comparable to the Sun, making it extremely dense.
  • The target was EX Hydrae, located about 200 light-years away in the constellation Hydra.
  • It is a binary system in which a dense white dwarf pulls gas from a nearby normal star.
  • EX Hydrae belongs to a ....
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