astro.wikisort.org - Galaxy The Hydra Cluster (or Abell 1060 ) is a galaxy cluster that contains 157 bright galaxies, appearing in the constellation Hydra.[4] The cluster spans about ten million light-years and has an unusually high proportion of dark matter .[5] The cluster is part of the Hydra–Centaurus Supercluster located 158 million light-years from Earth. The cluster's largest galaxies are elliptical galaxies NGC 3309 and NGC 3311 and the spiral galaxy NGC 3312 all having a diameter of about 150,000 light-years.[6]
In spite of a nearly circular appearance on the sky, there is evidence in the galaxy velocities for a clumpy, three-dimensional distribution.[7]
A map of Hydra cluster
Galaxy cluster in the constellation Hydra
Hydra Cluster Abell 1060 (Hydra Cluster) as seen from Earth. Unrelated objects have been edited out.
Constellation(s) Hydra Right ascension 09h 18.0m [1] Declination −12° 05′ [1] Number of galaxies 157[2] Richness class 1[3] Bautz–Morgan classification III[3] Redshift 0.0548 (16,452 km/s)[1] Distance (co-moving ) 58.3 Mpc (190.1 Mly) h − 10.705 X-ray flux 6.1× 10−11 erg s−1 cm−2 (0.5–2 keV)[1] Abell 1060See also: Galaxy group, Galaxy cluster, List of galaxy groups and clusters
References
"NASA/IPAC Extragalactic Database" . Results for Abell 2151 . Retrieved 13 June 2013 . "National Optical Astronomy Observatory" . Galaxies . Retrieved 19 July 2007 . Abell, George O. ; Corwin, Harold G., Jr.; Olowin, Ronald P. (May 1989). "A catalog of rich clusters of galaxies" (PDF) . Astrophysical Journal Supplement Series . 70 (May 1989): 1–138. Bibcode:1989ApJS...70....1A . doi:10.1086/191333 . ISSN 0067-0049 . Retrieved 12 March 2012 . Wehner and Harris, p.1 Nemiroff, R.; Bonnell, J., eds. (16 April 2001). "The Hydra Cluster of Galaxies" . Astronomy Picture of the Day . NASA. The Hydra Supercluster An Atlas of the Universe.com
Fitchett, Michael; Merritt, David (December 1988). "Dynamics of the Hydra I Galaxy Cluster". The Astrophysical Journal . 335 : 18–34. Bibcode:1988ApJ...335...18F . doi:10.1086/166902 .
Wehner, Elizabeth M. H. and Harris, William E. (10 August 2006) UCD candidates in the Hydra Cluster . ArXiv.org. ApL Letters
The Hydra Cluster on WikiSky: DSS2 , SDSS , GALEX , IRAS , Hydrogen α , X-Ray , Astrophoto , Sky Map , Articles and images
Abell
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На других языках [de] Hydra-Galaxienhaufen Der Hydra-Galaxienhaufen oder Hydra-Cluster, im Abell-Katalog als Abell 1060 gelistet, ist ein im Sternbild Hydra gelegener Galaxienhaufen, er ist Mitglied des Hydra-Centaurus-Superhaufens. - [en] Hydra Cluster [ru] Скопление Гидры Скопление Гидры (Abell 1060, англ. Hydra Cluster) — скопление из более чем 100 ярких галактик[3] в составе сверхскопления Гидры-Центавра. Размер скопления составляет около 10 миллионов световых лет, что делает его одним из трёх крупнейших скоплений галактик в пределах 200 миллионов световых лет от Млечного пути (вместе со скоплениями Девы и Центавра)[3]. Расстояние от Солнца до скопления составляет 58,3 Мпк (190,1 млн световых лет).
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