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Radio and near-infrared composite of W49A
Three-colour composite of the central region of the star-forming region W49A, based on a radio emission map (wavelength 3.6 cm ; here rendered as red) as well as two SofI images in the Ks- (green) and J-bands (blue). The red-only features in this image represent regions of ionized hydrogen so deeply embedded in the molecular cloud that they cannot be detected in the near-infrared, while blue sources are foreground stars. The radio continuum data were taken with the Very Large Array by Chris De Pree.
Crédit:ESO
À propos de l'image
| Identification: | eso0322b |
| Type: | Observation |
| Date de publication: | 22 juillet 2003 |
| Communiqués de presse en rapport: | eso0322 |
| Taille: | 1832 x 1413 px |
À propos de l'objet
| Nom: | W49A |
| Type: | Milky Way : Nebula : Type : Star Formation |
| Distance: | 35000 années lumière |
| Constellation: | Aquila |
| Catégorie: | Nebulae |
Fonds d'écran
Coordinates
| Position (RA): | 19 10 16.06 |
| Position (Dec): | 9° 6' 12.50" |
| Field of view: | 4.42 x 3.41 arcminutes |
| Orientation: | North is 0.0° left of vertical |
Visualiser avec WorldWide Telescope:
Couleurs & filtres
| Domaine | Télescope |
|---|---|
| Infrarouge J | New Technology Telescope SOFI |
| Infrarouge K | New Technology Telescope SOFI |
Notes: Red data was collected by Chris De Pree using the VLA.