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Chandra and ALMA measure speed of sloshing gas in galaxy cluster 5nvklj





Chandra and ALMA measure speed of sloshing gas in galaxy cluster 9tpt39

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Chandra and ALMA measure speed of sloshing gas in galaxy cluster

Dragon
Dragon
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Chandra and ALMA measure speed of sloshing gas in galaxy cluster Empty Chandra and ALMA measure speed of sloshing gas in galaxy cluster

Post by Dragon Fri Oct 19, 2018 11:27 pm

Almost all galaxy clusters experience mergers. While a merger takes place, a specific spiral pattern can often be observed in X-ray images. Such a spiral feature is due to the motion of the sloshing gas induced by a merger. Observing a phenomenon similar to sloshing gas in the daily life is easy: When you swirl a wine glass containing liquid, you will see how the water rotates along with the glass. Discovering how fast the sloshing gas moves in galaxy clusters has profound astronomical meaning and therefore is of great interest to astronomers. A group of researchers from Taiwan and Japan has now measured it using a novel technique.

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Chandra and ALMA measure speed of sloshing gas in galaxy cluster 334pu7m
Dragon
Dragon
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Posts : 6687
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Chandra and ALMA measure speed of sloshing gas in galaxy cluster Empty Re: Chandra and ALMA measure speed of sloshing gas in galaxy cluster

Post by Dragon Fri Oct 19, 2018 11:30 pm

Chandra and ALMA measure speed of sloshing gas in galaxy cluster 5bc9bf392e91f
Credit: Institute of Astrophysics and Astronomy

The authors of this paper decided to measure the velocity in a luminous X-ray galaxy cluster RX J1347.5-1145 by Chandra and ALMA.

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Chandra and ALMA measure speed of sloshing gas in galaxy cluster 334pu7m
Dragon
Dragon
Senior Administrator
Senior Administrator

Posts : 6687
Points : 22934
Times User Thanked: : 819
Join date : 2018-01-18

Chandra and ALMA measure speed of sloshing gas in galaxy cluster Empty Re: Chandra and ALMA measure speed of sloshing gas in galaxy cluster

Post by Dragon Fri Oct 19, 2018 11:31 pm



Composing images taken by Chandra, movie shows what's happened in the galaxy cluster RXJ 1347.5-1145, i.e., before and after applying the novel technique to the data of Sunyaev-Zel'dovich effect.


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Chandra and ALMA measure speed of sloshing gas in galaxy cluster 334pu7m

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