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Galaxy-scale fountain seen in full glory

Dragon
Dragon
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Post by Dragon Sat Nov 17, 2018 3:25 am

A billion light-years from Earth lies one of the universe's most massive structures, a giant elliptical galaxy surrounded by a sprawling cluster of other galaxies known as Abell 2597. At the core of the central galaxy, a supermassive black hole is powering the cosmic equivalent of a monumental fountain, drawing in vast stores of cold molecular gas and spraying them back out again in an ongoing cycle.

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Galaxy-scale fountain seen in full glory 334pu7m
Dragon
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Post by Dragon Sat Nov 17, 2018 3:27 am

Galaxy-scale fountain seen in full glory Galaxyscalef
Credit: ALMA (ESO/NAOJ/NRAO), Tremblay et al.; NRAO/AUI/NSF, B. Saxton; NASA/Chandra; ESO/VLT

Composite image of the Abell 2597 galaxy cluster showing the fountain-like flow of gas powered by the supermassive black hole in the central galaxy. The yellow is ALMA data of the cold gas. The red is data from the Very Large Telescope showing the hot hydrogen gas in the same region. The extend purple is the extended hot, ionized gas as imaged by the Chandra X-ray Observatory.

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Galaxy-scale fountain seen in full glory 334pu7m
Dragon
Dragon
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Galaxy-scale fountain seen in full glory Empty Re: Galaxy-scale fountain seen in full glory

Post by Dragon Sat Nov 17, 2018 3:29 am

Galaxy-scale fountain seen in full glory 1-galaxyscalef
Credit: NRAO/AUI/NSF; D. Berry

Artist impression of Abell 2597 showing the central supermassive black hole expelling cold, molecular gas -- like the pump of a giant galactic fountain.

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Galaxy-scale fountain seen in full glory 334pu7m
Dragon
Dragon
Senior Administrator
Senior Administrator

Posts : 6276
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Times User Thanked: : 641
Join date : 2018-01-18

Galaxy-scale fountain seen in full glory Empty Re: Galaxy-scale fountain seen in full glory

Post by Dragon Sat Nov 17, 2018 3:30 am

Galaxy-scale fountain seen in full glory 2-galaxyscalef
Credit: ALMA (ESO/NAOJ/NRAO), G. Tremblay et al.

ALMA image of cold molecular gas in Abell 2597.

Source / Image Courtesy


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Galaxy-scale fountain seen in full glory 334pu7m
Dragon
Dragon
Senior Administrator
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Posts : 6276
Points : 22166
Times User Thanked: : 641
Join date : 2018-01-18

Galaxy-scale fountain seen in full glory Empty Re: Galaxy-scale fountain seen in full glory

Post by Dragon Sat Nov 17, 2018 3:31 am



This zoom video starts with a wide view of the Milky Way and ends with a close-up of the Abell 2597 cluster.

Observations by ALMA and data from the MUSE spectrograph on ESO’s VLT have revealed a colossal fountain of molecular gas powered by a black hole in the brightest galaxy of the Abell 2597 cluster — the galactic cycle powering this vast cosmic fountain has never before been observed so clearly.

The final shot is a composite image of the Abell 2597 galaxy cluster showing the fountain-like flow of gas powered by the supermassive black hole in the central galaxy.

The yellow is ALMA data showing cold gas. The red is data from the MUSE instrument on ESO’s Very Large Telescope showing the hot hydrogen gas in the same region.

The extend purple is the extended hot, ionized gas as imaged by the Chandra X-ray Observatory


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Galaxy-scale fountain seen in full glory 334pu7m

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