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NGC 6881

Coordinates:Sky map20h 10m 52.45s, +37° 24′ 42.4″
From Wikipedia, the free encyclopedia
Planetary nebula in the constellation Cygnus
NGC 6881
Emission nebula
Planetary nebula
The butterfly-like planetary nebula NGC 6881 is visible here in an image taken by the NASA/ESAHubble Space Telescope
Observation data:J2000epoch
Right ascension20h 10m 52.45s[1]
Declination+37° 24′ 42.4″[1]
Distance5200 ± 1600 ly   (1600 ± 500[2] pc)
Apparent magnitude (V)13.700 B[1]
ConstellationCygnus
DesignationsGSC2 N033220122825,2MASS J20105244+3724424, PN VV 250, CSI+37-20091,Hen 2-456, PK 074+02 1, PN ARO 108, GCRV 12543, IRAS 20090+3715, PN G074.5+02.1, PN VV' 526
See also:Lists of nebulae

NGC 6881 is aplanetary nebula, located in the constellation ofCygnus. It is formed of an inner nebula, estimated to be about one fifth of a light-year across, and a symmetrical structure that spreads out about one light-year from one tip to the other. The symmetry could be due to a binary star at the nebula's centre.

References

[edit]
  1. ^abc"NGC 6881".SIMBAD.Centre de données astronomiques de Strasbourg. Retrieved12 March 2012.
  2. ^Guzmán-Ramírez, Lizette; Gómez, Yolanda; Loinard, Laurent; Tafoya, Daniel (2011)."A distance estimate based on angular expansion for the planetary nebula NGC 6881".Monthly Notices of the Royal Astronomical Society.414 (4): 3129.arXiv:1103.0231.Bibcode:2011MNRAS.414.3129G.doi:10.1111/j.1365-2966.2011.18609.x.S2CID 118695046.

External links

[edit]
  • Media related toNGC 6881 at Wikimedia Commons


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