File:Eso0405a.tif
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Size of this JPG preview of this TIF file: 702 × 600 pixels. Other resolutions: 281 × 240 pixels | 562 × 480 pixels | 899 × 768 pixels | 1,198 × 1,024 pixels | 1,746 × 1,492 pixels.
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Captions
Captions
Near-infrared image of the galaxy Abell 1835 IR1916 inside the cluster
Summary
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English: ESO's VLT ISAAC image in the near-infrared of the core of the lensing cluster Abell 1835 (upper) with the location of the galaxy Abell 1835 IR1916 (white circle). The thumbnail images at the bottom show the images of the remote galaxy in the visible R-band (HST-WFPC image) and in the J-, H-, and K-bands. The fact that the galaxy is not detected in the visible image but present in the others - and more so in the H-band - was a possible indication that this galaxy has a redshift around 10. However, since these results have been published, several further investigations by several independent teams have been undertaken. A deep observation with the Gemini-North Near-Infrared Imager (NIRI) has not detected the source to fainter magnitude limits than in the ISAAC data. Also, a deep V-band image taken with FORS does not show the object to be present. The status of this object is hence currently unresolved.
Français : Image obtenue avec l'instrument ISAAC du Very Large Telescope de l'ESO dans le proche infrarouge du centre de l'amas de galaxies Abell 1835 (en haut) avec la localisation de la galaxie Abell 1835 IR1916 (cercle blanc). Les vignettes en bas montrent les images de la galaxie lointaine dans la bande R visible (image HST-WFPC) et dans les bandes J-, H- et K. Le fait que la galaxie ne soit pas détectée dans l'image visible mais présente dans les autres - et plus encore dans la bande H - était une indication possible que cette galaxie a un décalage spectral autour de 10. Cependant, depuis que ces résultats ont été publiés, plusieurs investigations supplémentaires ont été entreprises par différentes équipes indépendantes. Une observation profonde avec le Gemini-North Near-Infrared Imager (NIRI) n'a pas détecté la source à des limites de magnitude plus faibles que dans les données ISAAC. De même, une image profonde en bande V prise avec FORS ne montre pas la présence de l'objet. Le statut de cet objet est donc actuellement non résolu. |
| Date | |
| Source | https://cdn.eso.org/images/original/eso0405a.tif |
| Author | ESO |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:37, 12 September 2022 |  | 1,746 × 1,492 (7.48 MB) | Ngc752 (talk | contribs) | Uploaded a work by ESO from https://cdn.eso.org/images/original/eso0405a.tif with UploadWizard |
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