ESO 439-26 explained

ESO 439-26 is the least luminous white dwarf star known.[1] [2] Located 140 light years away from the Sun, it is roughly 10 billion years old and has a temperature of 4560 Kelvin. Thus, despite being classified as a "white dwarf", it would actually appear yellowish in color.[3]

Notes and References

  1. The Extremely Low Luminosity White Dwarf ESO 439-26. The Astrophysical Journal. 10.1086/309845. María Teresa Ruiz . P. Bergeron . S. K. Leggett . Claudio Anguita . 1995 . 455 . 1995ApJ...455L.159R . 120193018 . free .
  2. Web site: The Faintest Known White Dwarf. 1 March 1996. www.noao.edu. 8 May 2020. 12 March 2021. https://web.archive.org/web/20210312011057/https://www.noao.edu/noao/noaonews/mar96/art3.html. dead.
  3. Book: Kaler, James B.. The Hundred Greatest Stars. May 7, 2006. Springer Science & Business Media. 9780387216256. Google Books.

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