From Wikipedia, the free encyclopedia
Planetary nebula in the constellation Auriga
NGC 2242 is a
planetary nebula in the
constellation
Auriga. It was discovered by
Lewis A. Swift on November 24, 1886,
[1] and was thought to be a
galaxy until a study published in 1987 showed it to be a planetary nebula.
[2] The nebula is located about 6,500
light-years away, and about 1,600 light-years above the
galactic plane.
[3]
The central star of the planetary nebula is an
O-type star with a
spectral type of O(H).
[4]
References
-
^
"Celestial Atlas". Courtney Seligman. Retrieved 2015-06-02.
-
^ 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.
-
^ 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. Retrieved 9 February 2018.
-
^ 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.
External links