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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.
Kredit:ESO
O snímku
| Id: | eso0313h |
| Typ: | Pozorování |
| Datum zveřejnění: | 13. května 2003 |
| Související články: | eso0313 |
| Velikost: | 1440 x 627 px |
O objektu
| Jméno: | Milky Way Galactic Centre |
| Typ: | Milky Way : Galaxy : Component : Center/Core |
| Vzdálenost: | 25000 světelné roky |
| Constellation: | Sagittarius |
| Kategorie: | Galaxies |
Souřadnice
| Position (RA): | 17 45 40.11 |
| Position (Dec): | -29° 0' 27.99" |
| Field of view: | 0.25 x 0.11 arcminutes |
| Orientace: | Sever je 6.0° levá od svislé osy |
Zobrazit ve World Wide Telescope:
Barvy & filtry
| Pásmo | Vlnová délka | Dalekohled |
|---|---|---|
| Infračervený K | 2.2 μm | Very Large Telescope Interferometer AMBER |