The Leo Cluster (Abell 1367) is a galaxy cluster about 330 million light-years distant (z = 0.022[1]) in the constellation Leo, with at least 70 major galaxies. The galaxy known as NGC 3842 is the brightest member of this cluster.[4] Along with the Coma Cluster, it is one of the two major clusters comprising the Coma Supercluster,[5] which in turn is part of the CfA2 Great Wall, which is hundreds of millions light years long and is one of the largest known structures in the universe.[6]
A team of scientists decided to observe the Leo Cluster with the intention of creating a catalog of extended ionized gas (EIG) clouds. This data also led to the discovery of many star-forming parents (galaxies) within the cluster. These star-forming galaxies turned out to be very similar to those found in the neighboring Coma cluster. The EIGs in the Leo cluster, however, turned out to be longer in the Leo cluster than the Coma cluster. This likely means that the Leo cluster and its stars are probably younger than most comparable clusters in the universe and evolve at a different pace.[7]
Most dense galaxy clusters are composed mostly of elliptical galaxies. The Leo Cluster, however, mostly contains spiral galaxies, suggesting that it is much younger than other comparable clusters, such as the Coma Cluster. It is also home to one of the universe's largest known black holes, which lies in the center of NGC 3842. The black hole is 9.7 billion times more massive than the Sun.[4]
It can be very difficult for stars to form within the Leo Cluster. This is because infalling galaxies have a tendency to strip gas away from other stars that are attempting to form. This has led to the creation of a "hot zone" where stars are unable to maintain their gas long enough to properly form.[8]
There appears to be a number of subpopulations within the Leo Cluster. The first consists of elliptical galaxies that seem to be roughly as old as the universe. The second subpopulation contains red-sequence lenticular (lens shaped) galaxies whose ages are directly tied to their mass. The third and final subpopulation is of galaxies where star formation is still taking place, and are morphologically distributed.[9]
^ abcde"NASA/IPAC Extragalactic Database". Results for Abell 1367. Retrieved 2007-10-04.
^. Albert Highe: Observing Projects. Archived from the original on 2007-04-07. Retrieved 2007-10-04.
^ abAbell, George O.; Corwin, Harold G. Jr.; Olowin, Ronald P. (May 1989). "A catalog of rich clusters of galaxies". Astrophysical Journal Supplement Series. 70 (May 1989): 1–138. Bibcode:1989ApJS...70....1A. doi:10.1086/191333. ISSN 0067-0049.
^ ab"Are You Ready, Willing, and Abell? - Sky & Telescope". Sky & Telescope. 2017-04-26. Retrieved 2018-04-18.
^"The Coma Supercluster". www.atlasoftheuniverse.com. Retrieved 2018-04-19.
^"Webb Deep-Sky Society: Galaxy of the Month: NGC3842". www.webbdeepsky.com. Retrieved 2018-04-19.
^Yagi, Masafumi; Yoshida, Michitoshi; Gavazzi, Giuseppe; Komiyama, Yutaka; Kashikawa, Nobunari; Sadanori Okamura (2017). "Extended Ionized Gas Clouds in the Abell 1367 Cluster". The Astrophysical Journal. 839 (1): 65. arXiv:1703.10301. Bibcode:2017ApJ...839...65Y. doi:10.3847/1538-4357/aa68e3. ISSN 0004-637X. S2CID 119210351.
^"Abell 1367 - The Leo Galaxy Cluster". www.beskeen.com. Retrieved 2018-04-18.
^Mouhcine, M.; Kriwattanawong, W.; James, P. A. (2011-04-01). "The galaxy population of Abell 1367: the stellar mass–metallicity relation". Monthly Notices of the Royal Astronomical Society. 412 (2): 1295–1308. arXiv:1101.2074. Bibcode:2011MNRAS.412.1295M. doi:10.1111/j.1365-2966.2010.17993.x. ISSN 0035-8711. S2CID 118367587.
cluster, confused, with, group, triplet, abell, 1367, galaxy, cluster, about, million, light, years, distant, constellation, with, least, major, galaxies, galaxy, known, 3842, brightest, member, this, cluster, along, with, coma, cluster, major, clusters, compr. Not to be confused with Leo I Group or Leo Triplet The Leo Cluster Abell 1367 is a galaxy cluster about 330 million light years distant z 0 022 1 in the constellation Leo with at least 70 major galaxies The galaxy known as NGC 3842 is the brightest member of this cluster 4 Along with the Coma Cluster it is one of the two major clusters comprising the Coma Supercluster 5 which in turn is part of the CfA2 Great Wall which is hundreds of millions light years long and is one of the largest known structures in the universe 6 Leo Clusterlegacy surveys image of the center of the Leo ClusterObservation data Epoch J2000 Constellation s LeoRight ascension11h 44m 36 5s 1 Declination19 45 32 1 Brightest memberNGC 3842Number of galaxies 100 2 Richness class2 3 Bautz Morgan classificationII III 3 Redshift0 022 6 595 km s 1 Distance113 Mpc 368 6 Mly for h 10 705X ray flux 81 40 6 0 10 12 erg s 1 cm 2 0 1 2 4 keV 1 Other designationsAbell 1367See also Galaxy group Galaxy cluster List of galaxy groups and clustersA team of scientists decided to observe the Leo Cluster with the intention of creating a catalog of extended ionized gas EIG clouds This data also led to the discovery of many star forming parents galaxies within the cluster These star forming galaxies turned out to be very similar to those found in the neighboring Coma cluster The EIGs in the Leo cluster however turned out to be longer in the Leo cluster than the Coma cluster This likely means that the Leo cluster and its stars are probably younger than most comparable clusters in the universe and evolve at a different pace 7 Most dense galaxy clusters are composed mostly of elliptical galaxies The Leo Cluster however mostly contains spiral galaxies suggesting that it is much younger than other comparable clusters such as the Coma Cluster It is also home to one of the universe s largest known black holes which lies in the center of NGC 3842 The black hole is 9 7 billion times more massive than the Sun 4 It can be very difficult for stars to form within the Leo Cluster This is because infalling galaxies have a tendency to strip gas away from other stars that are attempting to form This has led to the creation of a hot zone where stars are unable to maintain their gas long enough to properly form 8 There appears to be a number of subpopulations within the Leo Cluster The first consists of elliptical galaxies that seem to be roughly as old as the universe The second subpopulation contains red sequence lenticular lens shaped galaxies whose ages are directly tied to their mass The third and final subpopulation is of galaxies where star formation is still taking place and are morphologically distributed 9 Contents 1 Gallery 2 See also 3 References 4 External linksGallery edit nbsp Legacy surveys image of the brightest galaxy in the Leo Cluster NGC 3842 center as well as surrounding galaxies nbsp The NGC 3860 NGC 3860B pair in the Leo Cluster nbsp NGC 3816 which is located in the outskirts of the Leo Cluster nbsp Amateur image of the Leo ClusterSee also editAbell catalogue List of Abell clustersReferences edit a b c d e NASA IPAC Extragalactic Database Results for Abell 1367 Retrieved 2007 10 04 Abell 1367 Albert Highe Observing Projects Archived from the original on 2007 04 07 Retrieved 2007 10 04 a b Abell George O Corwin Harold G Jr Olowin Ronald P May 1989 A catalog of rich clusters of galaxies Astrophysical Journal Supplement Series 70 May 1989 1 138 Bibcode 1989ApJS 70 1A doi 10 1086 191333 ISSN 0067 0049 a b Are You Ready Willing and Abell Sky amp Telescope Sky amp Telescope 2017 04 26 Retrieved 2018 04 18 The Coma Supercluster www atlasoftheuniverse com Retrieved 2018 04 19 Webb Deep Sky Society Galaxy of the Month NGC3842 www webbdeepsky com Retrieved 2018 04 19 Yagi Masafumi Yoshida Michitoshi Gavazzi Giuseppe Komiyama Yutaka Kashikawa Nobunari Sadanori Okamura 2017 Extended Ionized Gas Clouds in the Abell 1367 Cluster The Astrophysical Journal 839 1 65 arXiv 1703 10301 Bibcode 2017ApJ 839 65Y doi 10 3847 1538 4357 aa68e3 ISSN 0004 637X S2CID 119210351 Abell 1367 The Leo Galaxy Cluster www beskeen com Retrieved 2018 04 18 Mouhcine M Kriwattanawong W James P A 2011 04 01 The galaxy population of Abell 1367 the stellar mass metallicity relation Monthly Notices of the Royal Astronomical Society 412 2 1295 1308 arXiv 1101 2074 Bibcode 2011MNRAS 412 1295M doi 10 1111 j 1365 2966 2010 17993 x ISSN 0035 8711 S2CID 118367587 External links editThe Coma Supercluster with images of A1367 Leo Galaxienhaufen Abell 1367 Abell 1367 The Leo Galaxy Cluster http www slate com blogs bad astronomy 2013 07 03 leo cluster a buzzing hive of galaxies html http www cloudynights com page articles cat column small wonders small wonders leo r486 nbsp This galaxy cluster related article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Leo Cluster amp oldid 1199109845, wikipedia, wiki, book, books, library,
