Astronomy:Abell 2597

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Short description: Galaxy cluster in the constellation of Aquarius

Coordinates: Sky map 23h 25m 19.70s, −12° 07′ 27.07″

Abell 2597
Artist’s impression of cold intergalactic rain.jpg
Artist’s concept showing condensing clouds of cold molecular gas around Abell 2597[1]
Credit: NRAO/AUI/NSF; Dana Berry/SkyWorks; ALMA (ESO/NAOJ/NRAO)
Observation data (Epoch J2000)
Right ascension 23h 25m 19.70s[2]
Declination−12° 07′ 27.07″
Redshift0.0852
Distance
(co-moving)		307 Mpc (1,001 Mly)
Other designations
ACO 2597, HMS 2323-1224, PSZ1 G065.33-64.85, 1RXS J232519.4-120741, BAX 351.3252-12.1083, 2MAXI J2324-121, RBS 2002, [DBG99] 125, ClG 2322.7-1224, MCXC J2325.3-1207, RXC J2325.3-1207, [F81] 432
See also: Galaxy group, Galaxy cluster, List of galaxy groups and clusters

Abell 2597 is a galaxy cluster located about a billion light years from Earth in the constellation of Aquarius.[3] It is a giant elliptical galaxy that is surrounded by a sprawling cluster of other galaxies.[4] In 2018, the National Radio Astronomy Observatory (NRAO) captured cosmic weather event using the Atacama Large Millimeter/submillimeter Array (ALMA) that has never been seen before - a cluster of towering intergalactic gas clouds raining in on the supermassive black hole at the center of the huge galaxy.[4][5] The black hole draws in vast store of cold molecular gas and sprays it back again in an ongoing cycle[6] so that it resembles a gigantic fountain.

Gallery

  • Composite image showing the fountain-like flow of gas.[7]

See also

References

  1. ↑ "Black Hole Fed by Cold Intergalactic Deluge". European Southern Observatory. http://www.eso.org/public/news/eso1618/. 
  2. ↑ "Search results for Abell 2597". UDS/CNRS. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Abell+2597. 
  3. ↑ ESO (November 6, 2018). "Abell 2597 in the Constellation of Aquarius" (in en). https://www.eso.org/public/images/eso1836c/. 
  4. ↑ 4.0 4.1 "Galaxy-scale fountain seen in full glory | EarthSky.org" (in en-US). 9 November 2018. https://earthsky.org/space/galaxy-scale-fountain-seen-in-full-glory. 
  5. ↑ Now, Astronomy. "Abell 2597 Brightest Cluster Galaxy – Astronomy Now" (in en-US). https://astronomynow.com/tag/abell-2597-brightest-cluster-galaxy/. 
  6. ↑ "Giant 'Fountain' of Cold Molecular Gas Offers Clues to How Galaxies Evolve | Astronomy | Sci-News.com" (in en-US). November 6, 2018. http://www.sci-news.com/astronomy/abell-2597-bcg-fountain-cold-molecular-gas-06579.html. 
  7. ↑ "ALMA and MUSE Detect Galactic Fountain". https://www.eso.org/public/news/eso1836/. 




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