An echo of light (annotated)

This image of the intriguing ShaSS 622-073 system shows a light echo — the first ever to be observed between two galaxies — in great detail (highlighted with a yellow circle). The light echo is a delicate reminder of the one-time glory of the galaxy ShaSS 073, which has dramatically reduced in luminosity over the last 30 000 years.

Links

Credit:

ESO
Acknowledgements: P. Merluzzi (INAF-Osservatorio Astronomico di Capodimonte, Italy)

About the Image

Id:potw1814b
Type:Collage
Release date:2 April 2018, 06:00
Size:1200 x 1200 px

About the Object

Name:ShaSS 073, ShaSS 622, ShaSS 622-073
Type:Local Universe : Galaxy : Type : Interacting
Category:Galaxies

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Colours & filters

BandWavelengthTelescope
Optical
g
480 nmVLT Survey Telescope
OmegaCAM
Optical
r
625 nmVLT Survey Telescope
OmegaCAM
Optical
i
770 nmVLT Survey Telescope
OmegaCAM

 

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