NGC 6881
NGC 6881
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Coordinates: 
20h 10m 52.45s, +37° 24′ 42.4″
| Nebula | |
|---|---|
 The butterfly-like planetary nebula NGC 6881 is visible here in an image taken by the NASA/ESA Hubble Space Telescope. | |
| Observation data: J2000 epoch | |
| Right ascension | 20h 10m 52.45s[1] |
| Declination | +37° 24′ 42.4″[1] |
| Distance | 5200 ± 1600 ly (1600 ± 500[2] pc) |
Apparent magnitude (V) | 13.700 B [1] |
| Constellation | Cygnus |
| Designations | GSC2 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 |
NGC 6881 is a planetary nebula, located in the constellation of Cygnus. It is formed of an inner nebula, estimated to be about one fifth of a light-year across, and symmetrical structure that spread 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]
^ abc "NGC 6881". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 12 March 2012..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""""'""'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}
^ 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.
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Categories:
- Cygnus (constellation)
- Planetary nebulae
- NGC objects
- Nebula stubs
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