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K-band image of the Galactic Centre
K-band image of the central 6 x 13 square arcsec around the Galactic Centre obtained by MACAO-VLTI under average atmospheric conditions (0.8 arcsec seeing) with an exposure time of 90 seconds. Although the 14.6 magnitude guide star is located roughly 20 arcsec from the field centre - this leading to isoplanatic degradation of image sharpness - the present image is nearly diffraction limited and has a point-source FWHM of about 0.115 arcsec.
Crédit:ESO
À propos de l'image
| Identification: | eso0313h |
| Type: | Observation |
| Date de publication: | 13 mai 2003 |
| Communiqués de presse en rapport: | eso0313 |
| Taille: | 1440 x 627 px |
À propos de l'objet
| Nom: | Milky Way Galactic Centre |
| Type: | Milky Way : Galaxy : Component : Center/Core |
| Distance: | 25000 années lumière |
| Constellation: | Sagittarius |
| Catégorie: | Galaxies |
Fonds d'écran
Coordinates
| Position (RA): | 17 45 40.11 |
| Position (Dec): | -29° 0' 27.99" |
| Field of view: | 0.25 x 0.11 arcminutes |
| Orientation: | North is 6.0° left of vertical |
Visualiser avec WorldWide Telescope:
Couleurs & filtres
| Domaine | Longueur d'onde | Télescope |
|---|---|---|
| Infrarouge K | 2.2 μm | Very Large Telescope Interferometer AMBER |