The VLT looks deep into a spiral galaxy

The photo is a combination of two 30 min exposures, obtained in succession with the VLT UT1. For both, the image quality is excellent (round images at 0.38 and 0.40 arcsec, respectively), despite the long exposure time. This once more demonstrates the ability of the telescope to track with very high precision over long time intervals, already at this early stage of commissioning.

This is a combination of two 30-min exposures through a 400 Å-wide optical filtre centered at 5100 Å (green; image quality 0.38 arcsec) and a 400 Å-wide optical filtre centered at 5300 Å (green; image quality 0.40 arcsec) with the VLT Test Camera. Individual frames were flat-fielded and cleaned for cosmics and then combined. The resulting FWHM is 0.39 arcsec. No further image processing was done. The field measures 1.5 x 1.5 arcmin. North is to the upper right; East is to the upper left.

Crédit:

ESO

À propos de l'image

Identification:eso9826a
Type:Observation
Date de publication:23 juin 1998
Communiqués de presse en rapport:eso9826
Taille:2267 x 2500 px

À propos de l'objet

Nom:M 83, Messier 83, NGC 5236, Southern Pinwheel Galaxy
Type:Local Universe : Galaxy : Type : Spiral
Distance:15 million années lumière
Catégorie:Galaxies

Formats des images

Grand JPEG
1,1 Mio
JPEG taille écran
296,9 Kio

Fonds d'écran

1024x768
248,5 Kio
1280x1024
392,7 Kio
1600x1200
524,7 Kio
1920x1200
568,3 Kio
2048x1536
753,2 Kio

Couleurs & filtres

DomaineLongueur d'ondeTélescope
Visible
V
510 nmVery Large Telescope

Exposure time: 3600s