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NGC 2242

From Wikipedia, the free encyclopedia
Planetary nebula in the constellation Auriga
NGC 2242
Emission nebula
Planetary nebula
Observation data:J2000epoch
Right ascension6h 34m 7.4s
Declination+44° 46′ 40″
Distance6,500 ly
ConstellationAuriga constellation
DesignationsPK 170+15 1, ZWG 204.5, IRAS 06304+4448, IRAS F06304+4448
See also:Lists of nebulae

NGC 2242 is aplanetary nebula in theconstellationAuriga. It was discovered byLewis A. Swift on November 24, 1886,[1] and was thought to be agalaxy until a study published in 1987 showed it to be a planetary nebula.[2] The nebula is located about 6,500light-years away, and about 1,600 light-years above thegalactic plane.[3]

The central star of the planetary nebula is anO-type star with aspectral type of O(H).[4]

References

[edit]
  1. ^"Celestial Atlas". Courtney Seligman. Retrieved2015-06-02.
  2. ^Shaw, Richard A; Bidelman, William P (Jan 1987)."NGC 2242 - A newly-discovered planetary nebula".Astronomy and Astrophysics.99:27–30.Bibcode:1987PASP...99...27S.doi:10.1086/131951.
  3. ^Torres-Peimbert, Silvia, ed. (1989).Planetary Nebulae: Proceedings of the 131st Symposium of the International Astronomical Union, Held in Mexico City, Mexico, October 5–9, 1987. Dordrecht, The Netherlands: Kluwer Academic Publishers. p. 62.ISBN 978-0-7923-0003-8. Retrieved9 February 2018.
  4. ^González-Santamaría, I.; Manteiga, M.; Manchado, A.; Ulla, A.; Dafonte, C.; López Varela, P. (2021). "Planetary nebulae in Gaia EDR3: Central star identification, properties, and binarity".Astronomy & Astrophysics.656: A51.arXiv:2109.12114.Bibcode:2021A&A...656A..51G.doi:10.1051/0004-6361/202141916.S2CID 237940344.

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