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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.
Kilde:ESO
Om billedet
| Id: | eso0313h |
| Type: | Observation |
| Udgivelsesdato: | 13. maj 2003 |
| Relaterede pressemeddelelser: | eso0313 |
| Størrelse: | 1440 x 627 px |
Om objektet
| Navn: | Milky Way Galactic Centre |
| Type: | Milky Way : Galaxy : Component : Center/Core |
| Afstand: | 25000 lysår |
| Constellation: | Sagittarius |
| Kategori: | Galaxies |
Baggrundsbilleder
Koordinater
| Position (RA): | 17 45 40.11 |
| Position (Dec): | -29° 0' 27.99" |
| Field of view: | 0.25 x 0.11 arcminutes |
| Orientering: | Nord er 6.0° venstre fra lodret |
Se i WorldWide Telescope:
Farver & filtre
| Bånd | Bølgelængde | Teleskop |
|---|---|---|
| Infrarød K | 2.2 μm | Very Large Telescope Interferometer AMBER |