Image:NGC7293 (2004).jpg

Un article de Wikipédia, l'encyclopédie libre.

Logo Wikimedia Commons Ce fichier provient de Wikimedia Commons?. Les informations le concernant sont affichées ci-dessous (procédure).
Ci-dessous, retrouvez page de description du fichier provenant de Commons.
POTY
Featured picture
 This file was a candidate on Picture of the Year 2007.
This is a featured picture on Wikimedia Commons: it is considered one of our finest images.
This is a featured picture on English Wikipedia and is considered one of the finest images.
This is a featured picture on Spanish Wikipedia and is considered one of the finest images.
This is a featured picture on Turkish Wikipedia and is considered one of the finest images.
If you have an image of similar quality that can be published under a suitable copyright license, be sure to upload it, tag it, and nominate it.		 Wikimedia Commons

[edit] Summary

Description
English: The Helix Nebula: a Gaseous Envelope Expelled By a Dying Star
About the Object
  • Object Name: Helix Nebula, NGC 7293 or "The Eye of God"
  • Object Description: Planetary Nebula
  • Position (J2000): R.A. 22h 29m 48.20s
Dec. -20° 49' 26.0"
  • Constellation: Aquarius
  • Distance: About 690 light-years (213 parsecs)
  • Dimensions: The image is roughly 28.7 arcminutes (5.6 light-years or 1.7 parsecs) across.
About the Data
  • Instruments: ACS/WFC on Hubble Space Telescope (HST) and Mosaic II Camera on CTIO 4m telescope
  • Exposure Time: 4.5 hours (HST) and 10 minutes (CTIO)
  • Filters: F502N ([O III]) and F658N (Ha) (for the HST); c6009 (H alpha)and kc6014 ([O III]) for the CTIO
Image properties
  • Centered on white dwarfed and cropped
  • Downsampled to 3200x3200
  • Saved as jpg, quality 8/10, 5 scans
  • Stitching errors manually fixed
Français : La Nébuleuse de l'hélice: Une enveloppe gazeuse éjectée par une étoile moribonde.
l'Objet
  • Nom: Nébuleuse de l'hélice, NGC 7293
  • Description: Nébuleuse planétaire
  • Position (J2000): R.A. 22h 29m 48,20s
Dec. -20° 49' 26,0"
  • Constellation: Poissons
  • Distance: 690 années lumières (213 parsecs) environ.
  • Dimensions: L'image fait 28.7 minutes d'arc de largeur, soit environ 5,6 années lumière (1,7 parsec).
Acquisition des données
  • Instruments: ACS/WFC sur le Télescope Spatial Hubble (HST), Caméra Mosaic II sur le télescope de 4m du CTIO.
  • Exposition: 4h 30 (HST) 10 minutes (CTIO)
  • Filtres: HST: F502N ([O III]), F658N (Ha); CTIO: c6009 (H alpha), kc6014 ([O III]).
L'image
  • Centré sur la naine blanche et recoupé
  • Réduite à 3200x3200 px
  • Compressée jpg, qualité 8/10, 5 scans
  • bordures ajustées manuellement
Español: La nebulosa de la hélice: Un sobre gaseoso expedido por una estrella muerta
Acerca del objeto
  • Nombre del objeto: Nebulosa de la hélice, NGC 7293 o "El ojo de Dios"
  • Descripción del objeto: Nebulosa planetaria
  • Pasición (J2000): R.A. 22h 29m 48.20s
Dec. -20° 49' 26.0"
  • Constelación: Acuario
  • Distancia: Cerca de 690 años luz(213 parsecs)
  • Dimensiones: La imagen es de cerca de 28.7 minutos de largo de arco (5.6 años luz o 1.7 parsecs).
Acerca de los datos
  • Instrumentos: ACS/WFC en el Telescopio Espacial Hubble (HST por sus siglas en inglés), Cámara Mosaic II en el telescopio de 4m de CTIO
  • Tiempo de exposición: 4.5 horas (HST) ,10 minutos (CTIO)
  • Filtros : F502N ([O III]) y F658N (Ha) (para el HST); c6009 (H alfa)y kc6014 ([O III]) para el CTIO
Propiedades de la imagen
  • Centrada en la enana blanca
  • Reducida ato 3200x3200
  • Guardado como jpg, calidad 8/10, 5 scans
  • Errores de borde corregidos manualmente
Source

Image, complementary information
Date

Exposure: HST: november 19, 2002, CTIO: September 17/18, 2003.
Release:December 16, 2004.
Author

The HST data are from proposal 9700. Processed images may be obtained from the Helix MAST web site. The Hubble Helix Team includes M. Meixner, H.E. Bond, G. Chapman (STScI), Y.-H. Chu (U. Illinois, Urbana-Champaign), P. Cox (Institut d'Astrophysique Spatiale, France), W. Crothers, L.M. Frattare, R.Gilliland (STScI), M. Guerrero R. Gruendl (U. Illinois, Urbana-Champaign), F. Hamilton, (STScI), R.Hook (STScI/ESO), P. Huggins (New York Univ.), I. Jordan, C.D. Keyes, A. Koekemoer (STScI), K.Kwitter (Williams College), Z.G. Levay, P.R. McCullough, M. Mutchler, K. Noll (STScI), C.R. O'Dell (Vanderbilt University), N. Panagia, M. Reinhart, M. Robberto, K. Sahu, D. Soderblom, L. Stanghellini, C. Tyler, J. Valenti, A. Welty, R. Williams (STScI). The CTIO data were taken by C.R. O'Dell (Vanderbilt University) and L.M. Frattare (STScI). The science team includes C.R. O'Dell (Vanderbilt University), P.R. McCullough and M. Meixner (STScI).
Credit: NASA, ESA, and C.R. O'Dell (Vanderbilt University)
News Release Number: STScI-2004-32
Permission
(Reusing this image)

see below
Other versions None

[edit] Licensing

Public domain This file is in the public domain because it was created by NASA and the European Space Agency. Hubble material is copyright-free and may be freely used as in the public domain without fee, on the condition that NASA and ESA is credited as the source of the material. The material was created for NASA by STScI under Contract NAS5-26555 and for ESA by the Hubble European Space Agency Information Centre. [1] or [2].


Featured picture Esta es una imagen destacada en el proyecto de la Wikipedia en español. La nominación puede encontrarse aquí. Si piensas que también debería ser destacada en Commons o tienes una imagen de calidad similar que puede ser publicada bajo una licencia de copyright adecuada, asegúrate de subirla, marcarla y nominarla.
This is a featured picture at the Spanish Wikipedia project. The nomination can be found here. If you think it should be featured on the Commons as well or have an image of similar quality that can be published under a suitable copyright license, be sure to upload it, tag it, and nominate it.
Picture of the day This image was selected as a picture of the day for May 19, 2007. It was captioned as followed:
English: Helix Nebula, NGC 7293
Беларуская: Планетарная туманнасць Слімак (NGC 7293)
Česky: Planetární mlhovina Helix
Deutsch: Helixnebel, NGC 7293
English: Helix Nebula, NGC 7293
Esperanto: La planeduma nebulozo Helico (NGC 7293).
Español: Nebulosa Helix, NGC 7293.
Français : La nébuleuse de l'Hélice (NGC 7293).
Magyar: A Csiga-köd
Italiano: La nebulosa Elica (NGC 7293)
日本語: らせん状星雲 (NGC 7293)
Nederlands: Helixnevel (NGC 7293)
Polski: Mgławica Helix (NGC 7293)
Português: Imagem da Nebulosa de Helix (NGC 7293)
Română: Nebuloasa Helix, NGC 7293
Русский: Туманность Улитка
Slovenčina: Planetárna hmlovina Slimák (NGC 7293)
Slovenščina: Meglica Helix, NGC 7293
Svenska: Helixnebulosan, NGC 7293
‪中文(简体)‬: 螺旋星云（NGC 7293）
‪中文(繁體)‬: 螺旋星雲（NGC 7293）

Historique du fichier

Cliquer sur une date et une heure pour voir le fichier tel qu’il était à ce moment-là

Date et heureDimensionsUtilisateurCommentaire
actuel27 février 2007 à 12:333 200×3 200 (1,58 Mio)Trialsanderrors (Fixed stitching errors)
26 février 2007 à 22:263 200×3 200 (1,58 Mio)Trialsanderrors ({{PD-Hubble}})

Les pages ci-dessous contiennent cette image :