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Southern Supercluster information


Southern Supercluster
NGC 1300, a spiral galaxy in the Eridanus cluster, one of the 3 main clusters along with the Dorado and Fornax Cluster in the Southern Supercluster.
Observation data (Epoch J2000)
Constellation(s)Cetus, Fornax, Eridanus, Horologium, and Dorado.[1]
Parent structureSouthern Supercluster Strand
Major axis41 Mpc (134 Mly)[1]
Velocity dispersion345 km/s[1]
Redshift1800 km/s[2]
Distance19.5 Mpc (63.6 Mly)[1]
Binding mass2.4×1014 [1] M
Luminosity (specify)2.4×1012 L[1] (total)
Other designations
Dorado-Fornax-Eridanus complex,[3][4] Dorado-Fornax-Eridanus stream,[5] Eridanus-Fornax-Dorado filament,[6] SSCa[7]
See also: Galaxy group, Galaxy cluster, List of galaxy groups and clusters

The Southern Supercluster is a nearby supercluster located around 19.5 Mpc (63.6 Mly) in the constellations of Cetus, Fornax, Eridanus, Horologium, and Dorado. It was first identified in 1953 by Gérard de Vaucouleurs.

The Southern Supercluster contains three main clusters, the Dorado, Fornax, and Eridanus clusters, along with many other groups of galaxies.[1]

In 2014, it was announced that the Southern Supercluster Strand is a lobe in a greater supercluster, Laniakea, that is centered on the Great Attractor.[8] This would mean that the Southern Supercluster Strand's components, the Southern Supercluster and the Telescopium−Grus Cloud[7] would be part of this new supercluster. The Virgo Supercluster would also be part of this greater supercluster, thus becoming the local supercluster.[8]

  1. ^ a b c d e f g Mitra, Shyamal (1989-10-01). "The Southern Supercluster". The Astronomical Journal. 98: 1175. Bibcode:1989AJ.....98.1175M. doi:10.1086/115205. ISSN 0004-6256.
  2. ^ Kraan-Korteweg, R. C.; Fairall, A. P.; Balkowski, C. (1995-05-01). "Extragalactic Large-scale structures behind the southern Milky Way.I. Redshifts obtained at the SAAO in the Hydra/Antlia extension". Astronomy and Astrophysics. 297: 617. arXiv:astro-ph/9411089. Bibcode:1995A&A...297..617K. ISSN 0004-6361.
  3. ^ Santiago, B. X.; Strauss, M. A.; Lahav, O.; Davis, M.; Dressler, A.; Huchra, J. (1994-06-14). "The Optical Redshift Survey: Sample Selection and the Galaxy Distribution". The Astrophysical Journal. 446: 457. arXiv:astro-ph/9406049. doi:10.1086/175805. ISSN 0004-637X. S2CID 17333636.
  4. ^ Giuricin, Giuliano; Marinoni, Christian; Ceriani, Lorenzo; Pisani, Armando (2000-11-01). "Nearby Optical Galaxies: Selection of the Sample and Identification of Groups". The Astrophysical Journal. 543 (1): 178–194. arXiv:astro-ph/0001140. Bibcode:2000ApJ...543..178G. doi:10.1086/317070. ISSN 0004-637X. S2CID 9618325.
  5. ^ de Vaucouleurs, G. (1971-04-01). "The Large-Scale Distribution of Galaxies and Clusters of Galaxies". Publications of the Astronomical Society of the Pacific. 83 (492): 113. Bibcode:1971PASP...83..113D. doi:10.1086/129088. ISSN 0004-6280. S2CID 250734618.
  6. ^ Willmer, C. N. A.; Focardi, P.; da Costa, L. Nicolaci; Pellegrini, P. S. (1989-11-01). "Studies of Nearby Poor Clusters: The Eridanus Group". The Astronomical Journal. 98: 1531. Bibcode:1989AJ.....98.1531W. doi:10.1086/115236. ISSN 0004-6256.
  7. ^ a b Cite error: The named reference :10 was invoked but never defined (see the help page).
  8. ^ a b Tully, R. Brent; Courtois, Hélène; Hoffman, Yehuda; Pomarède, Daniel (2014-09-01). "The Laniakea supercluster of galaxies". Nature. 513 (7516): 71–73. arXiv:1409.0880. Bibcode:2014Natur.513...71T. doi:10.1038/nature13674. ISSN 0028-0836. PMID 25186900. S2CID 205240232.

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Southern Supercluster

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Laniakea Supercluster

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Supercluster

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Virgo Supercluster

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The Virgo Supercluster (Virgo SC) or the Local Supercluster (LSC or LS) was a formerly defined supercluster containing the Virgo Cluster and Local Group...

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Southern Supercluster Strand

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The Southern Supercluster Strand is a galaxy filament that incompasses the Southern Supercluster and the Telescopium−Grus Cloud. In 2014, it was announced...

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Vela Supercluster

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largest known structures in the universe, consisting of walls of galactic superclusters. These massive, thread-like formations can commonly reach 50/h to 80/h...

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Fornax Wall

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Retrieved 11 October 2018. O'Meara, Stephen James (2013). Deep-Sky Companions: Southern Gems. Cambridge University Press. p. 107. ISBN 9781107015012. Retrieved...

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Dorado Group

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cluster'. It lies primarily in the southern constellation Dorado and is one of the richest galaxy groups of the Southern Hemisphere. Gérard de Vaucouleurs...

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Great Attractor

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intergalactic space and the apparent central gravitational point of the Laniakea Supercluster of galaxies that includes the Milky Way galaxy, as well as about 100...

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Eridanus Cluster

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The Eridanus Cluster is a galaxy cluster roughly 23 Mpc (75 Mly) from Earth, containing about 73 main galaxies and about 200 total galaxies. About 30%...

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Fornax Cluster

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Eridanus Group. It lies primarily in the constellation Fornax, with its southern boundaries partially crossing into the constellation of Eridanus, and covers...

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Eridanus Group

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The Eridanus Group, sometimes called the Eridanus Cloud, is a nearby loose grouping of galaxies at a mean distance of approximately 75 Mly (23 ± 2 Mpc)...

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List of voids

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In 1985, Tully determined a local dominant supercluster plane, and found the Pisces–Cetus Supercluster Complex. In a 1985 study of Abell clusters, 29...

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List of largest cosmic structures

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Julian year; approximately 9.46 trillion kilometres). This list includes superclusters, galaxy filaments and large quasar groups (LQGs). The structures are...

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NGC 101

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member of the Southern Supercluster (also called the Laniakea Supercluster) the closest galaxy supercluster to the Local Supercluster. 2MASS Ks bands...

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Sculptor Wall

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as the Sculptor superclusters. The superstructure is also called the Southern Great Wall, the Great Southern Wall, or just the Southern Wall, in reference...

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Southern Local Supervoid

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Sirius

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Milky Way

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galaxies, which form part of the Virgo Supercluster, which is itself a component of the Laniakea Supercluster. It is estimated to contain 100–400 billion...

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List of Abell clusters

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