First VLT Colour Photo of a Strange Galaxy

This is a colour photo from the VLT that shows NGC 4650A, a member of the so-called Centaurus chain of galaxies in the southern constellation of that name. NGC 4650A is a complex system that is located at a distance of about 50 Megaparsec (165 million light-years). As it is clear from this high-resolution picture, there are two main components, a lenticular-shaped galaxy (of type S0), surrounded by a knotty extended ring-like distribution of stars, dust and gas, nearly perpendicular to each other.

This is a combination of three 10-min B (blue) exposures (seeing 0.68 - 0.82 arcsec), two 10-min V (green-yellow) exposures (0.55 and 0.77 arcsec), and one 4-min and one 10-min R (red) exposures (0.55 and 0.52 arcsec) with the VLT Test Camera. Individual frames were flat-fielded and cleaned for cosmics, combined and deconvolved with the Richardson-Lucy algorithm to produce a final FWHM = 0.53 arcsec before colour combination. The field measures 1.5 x 1.5 arcmin. North is to the upper left; East is to the lower left.

Credit:

ESO

About the Image

Id:eso9825a
Type:Observation
Release date:23 June 1998
Related releases:eso9825
Size:2152 x 2456 px

About the Object

Name:NGC 4650A
Type:• Local Universe : Galaxy : Type : Ring
• X - Galaxies
Distance:150 million light years
Constellation:Centaurus

Image Formats

Fullsize Original
619.8 KB
Large JPEG
287.8 KB
Screensize JPEG
71.9 KB

Wallpapers

1024x768
69.2 KB
1280x1024
99.6 KB
1600x1200
134.9 KB
1920x1200
161.2 KB
2048x1536
200.8 KB

Coordinates

Position (RA):12 44 48.95
Position (Dec):-40° 42' 49.41"
Field of view:1.23 x 1.41 arcminutes
Orientation:North is 45.8° left of vertical

Colours & filters

BandTelescope
Optical
B
Very Large Telescope
Optical
V
Very Large Telescope
Optical
R
Very Large Telescope

 

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