27th of October 2015 |
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Powerful radio galaxy PKS 2356-61 |
This is a combined radio/optical image of the
powerful radio galaxy PKS 2356-61 featured on our outreach pages. The radio
emission - measure with the Australia Telecope Compact Array (ATCA) - is shown
in red, superimposed on the optical image of the field (blue). The galaxy itself
is an elliptical, visible in the centre of the image at a redshift of z = 0.1.
Image credit: Koekemoer, Schilizzi, Bicknell & Ekers |