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Abell 223

Summary

Abell 223 is a galaxy cluster. It is located at a distance of 2.4 billion light-years from Earth. The cluster is connected to nearby cluster Abell 222 by a filament of matter. Research has shown that only 20% of that matter is normal. The rest is thought to be dark matter.[5] This means that this would form the Abell 222/ Abell 223 Supercluster as we understand them.[6]

Abell 223
Observation data (Epoch J2000)
Constellation(s)Cetus
Right ascension01h 37m 55.9s[1]
Declination−12° 49′ 11″[1]
Brightest memberLEDA 947139[2]
Richness class3[3]
Bautz–Morgan classificationIII[3]
Velocity dispersion1,032 km/s[4]
Redshift0.2079 ± 0.0008[4]
Distance2.4 Gly (740 Mpc)[5]
ICM temperature4.38 ± 0.16[4]
Other designations
RXC J0137.9-1248[1]
See also: Galaxy group, Galaxy cluster, List of galaxy groups and clusters

See also edit

References edit

  1. ^ a b c "ACO 223". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 26 November 2017.
  2. ^ "2MASX J01375602-1249106". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 26 November 2017.
  3. ^ 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.
  4. ^ a b c Durret, F; Laganá, T. F; Adami, C; Bertin, E (2010). "The clusters Abell 222 and Abell 223: A multi-wavelength view". Astronomy and Astrophysics. 517: A94. arXiv:1005.3295. Bibcode:2010A&A...517A..94D. doi:10.1051/0004-6361/201014566. S2CID 118464154.
  5. ^ a b Pete Spotts (5 July 2012). "Cosmic scaffolding uncovered? Scientists find thread of dark matter". The Christian Science Monitor. Christian Science Publishing Society. Retrieved 14 July 2012.
  6. ^ Dietrich, Jörg. "The Abell 222/223 Supercluster with dark matter Filament". University of Michigan/University Observatory Munich. Retrieved 24 June 2020.