NGC 6886 explained

NGC 6886 is a planetary nebula in the constellation Sagitta. It was discovered by Ralph Copeland on September 17, 1884.[1] It is 4.6kpc1kpc distant from Earth, and is composed of a hot central post-AGB star that has 55% of the Sun's mass yet 2700 ± 850 its luminosity, with a surface temperature of 142,000 K. The planetary nebula is thought to have been expanding for between 1280 and 1600 years.[2]

Notes and References

  1. Web site: Seligman. Courtney. NGC Objects: NGC 6850 - 6899. 22 August 2015.
  2. 10.1051/0004-6361/201731788 . 2018A&A...609A.126S. Expansion patterns and parallaxes for planetary nebulae. 2018. Schönberner. D.. Balick. B.. Jacob. R.. Astronomy & Astrophysics. 609. A126. free.