NGC 2899
Planetary nebula in the constellation Vela
title: "NGC 2899" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["planetary-nebulae", "ngc-objects", "vela-(constellation)", "discoveries-by-john-herschel"] description: "Planetary nebula in the constellation Vela" topic_path: "general/planetary-nebulae" source: "https://en.wikipedia.org/wiki/NGC_2899" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0
::summary Planetary nebula in the constellation Vela ::
::data[format=table title="Infobox nebula"]
| Field | Value |
|---|---|
| name | NGC 2899 |
| image | File:Planetary nebula NGC 2899 (heic2505d).jpg |
| caption | NGC 2899, imaged by the Hubble Space Telescope |
| credit | |
| type | Planetary |
| type2 | |
| epoch | J2000 |
| ra | |
| dec | |
| dist_ly | 1026 ± |
| appmag_v | 11.8 |
| appdia | |
| size_v | |
| constellation | Vela |
| names | NGC 2899, Gum 27, PN G277.1-03.8 |
| :: |
| name = NGC 2899 | image = File:Planetary nebula NGC 2899 (heic2505d).jpg | image_scale = | alt = | caption = NGC 2899, imaged by the Hubble Space Telescope | credit = | type = Planetary | type2 = | epoch = J2000 | subtype = | class = | ra = | dec = | dist_ly = 1026 ± | dist_pc = | dist_z = | appmag_v = 11.8 | appdia = | size_v = | constellation = Vela | radius_ly = | radius_pc = | dimensions = | absmag_v = | notes = | names = NGC 2899, Gum 27, PN G277.1-03.8
NGC 2899 is a planetary nebula in the southern constellation of Vela. It was discovered by English astronomer John Herschel on February 27, 1835. This nebula can be viewed with a moderate-sized amateur telescope, but requires a larger telescope to resolve details. NGC 2899 is located at a distance of 1026 ± from the Sun and 7939 ± from the Galactic Center.
This nebula has an overall kidney shape that is elongated along an axis from WNW to ESE. The overall topology is bipolar with a significant equatorial structure. This shape is believed to result from a binary star system. The mean expansion rate is , with high velocity structures expanding at . The core mass of the central star is estimated as .
The nebula lies within a large cavity in the surrounding medium. This opening has quadrupolar shape with a physical dimension of . The elongation lies along a position angle of , which is aligned with the minor axis of the planetary nebula. This opening was most likely crafted by a fast stellar wind coming from the central star during its asymptotic giant branch stage, prior to the formation of a planetary nebula. The shape and filamentary structures suggest the interaction of a binary star system.
References
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| title=NGC 2899 | access-date=7 July 2015 }}
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| title=The Galactic Structure and Chemical Evolution Traced by the Population of Planetary Nebulae | last1=Stanghellini | first1=Letizia | last2=Haywood | first2=Misha | journal=The Astrophysical Journal | volume=714 | issue=2 | pages=1096–1107 | date=May 2010 | doi=10.1088/0004-637X/714/2/1096 | arxiv=1003.0759 | bibcode=2010ApJ...714.1096S }}
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| title=Huge Dust Structures and Cavities Around PNe: NGC 6826 and NGC 2899 | last1=Weinberger | first1=R. | last2=Aryal | first2=B. | conference=Asymmetrical Planetary Nebulae III: Winds, Structure and the Thunderbird, Proceedings of the conference held 28 July - 1 August 2003 at Mt. Rainer, Washington, USA | editor1-first=Margaret | editor1-last=Meixner | editor2-first=Joel H. | editor2-last=Kastner | editor3-first=Bruce | editor3-last=Balick | editor4-first=Noam | editor4-last=Soker | display-editors=1 | series=ASP Conference Proceedings | volume=313 | page=112 | date=July 2004 | publication-place=San Francisco | publisher=Astronomical Society of the Pacific | bibcode=2004ASPC..313..112W }}
| title=Planetary nebulae NGC 6826 and NGC 2899: early aspherical mass loss? | last1=Aryal | first1=B. | last2=Rajbahak | first2=C. | last3=Weinberger | first3=R. | display-authors=1 | journal=Astrophysics and Space Science | volume=323 | issue=4 | pages=323–327 | year=2009 | doi=10.1007/s10509-009-0076-9 | s2cid=121783582 | bibcode = 2009Ap&SS.323..323A }}
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::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::