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Arp 147, The Cosmic 10 (Hubble Heritage), 


            Ruben Barbosa

Arp 147, The Cosmic 10 (Hubble Heritage)

Technical card

Imaging telescope or lens:Hubble Space Telescope

Software:Maxim DL, Gimp

Resolution: 1919x1236

B-band F450W: 1x8800" bin 1x1
F814W: 1x6600" bin 1x1
V-band F555W: 1x6600" bin 1x1

Integration: 6.1 hours job: 1636357


* Acquisition: NASA/ESA/Hubble Heritage
* Processing: Ruben Barbosa

Arp 147 (also known as IC 298) is an interactive pair of ringed galaxies. It is 430 million light-years away, in the direction of the Cetus constellation.

The system was formed when the spiral galaxy (on the right) collided with the elitist galaxy (on the left). The collision will have triggered a wave of star production, characterized by the form of "zero" in bright blue. The most intense period of star formation will have ended 15 million years ago and, as young hot stars exhausted their fuel, they collapsed into supernovae, giving rise to neutron stars and black holes.

The largest (0-shaped) galaxy is 30,000 light-years in diameter, 21,000 light-years away from its companion, and in its entirety stretches for about 115,000 light-years. It contains nine sources of x-rays that are emitted by black holes, each with mass in the order of 20 solar masses. It is believed that the reddish stain on the ring corresponds to the original nucleus of the galaxy.



Ruben Barbosa
License: None (All rights reserved)


Arp 147, The Cosmic 10 (Hubble Heritage), 


            Ruben Barbosa

In these public groups

Hubble Legacy Archive