Astronomy:Abell 1146
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Short description: Galaxy cluster in the constellation Crater
| Abell 1146 | |
|---|---|
| Observation data (Epoch J2000) | |
| Constellation(s) | Crater |
| Right ascension | 11h 01m 20.6s[1] |
| Declination | −22° 43′ 08″[1] |
| Brightest member | PGC 33231[2] |
| Richness class | 4[3] |
| Bautz–Morgan classification | I[3] |
| Velocity dispersion | 1020[1] |
| Redshift | 0.142[1] |
| Distance (co-moving) | 2,059.3 ± 144.2 Mly (631.38 ± 44.20 Mpc)[4] |
| X-ray luminosity | 6.61×1044[1] |
| Other designations | |
| 2E 2375, RX J1101.3-2243[5] | |
Abell 1146 is a rich galaxy cluster in the constellation Crater. Its richness class is 4, and it is located about 2 billion light-years (630 megaparsecs) away.[4]
Its brightest member, PGC 33231, is an elliptical galaxy.[2] It has a redshift of 0.142.[1]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Mahdavi, Andisheh; Geller, Margaret J. (2001). "The LX − σ Relation for Galaxies and Clusters of Galaxies". The Astrophysical Journal 554 (2): L129–L132. doi:10.1086/321710. Bibcode: 2001ApJ...554L.129M.
- ↑ 2.0 2.1 "2MASS J11011452-2243527". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=2MASS+J11011452-2243527.
- ↑ 3.0 3.1 Abell, George O.; Corwin, Harold G. Jr.; Olowin, Ronald P. (1989). "A catalog of rich clusters of galaxies". The Astrophysical Journal Supplement Series 70: 1. doi:10.1086/191333. Bibcode: 1989ApJS...70....1A.
- ↑ 4.0 4.1 "NED results for object ABELL 1146". NASA/IPAC Extragalactic Database. National Aeronautics and Space Administration / Infrared Processing and Analysis Center. https://ned.ipac.caltech.edu/byname?objname=Abell%201146&hconst=67.8&omegam=0.308&omegav=0.692&wmap=4&corr_z=1.
- ↑ "ACO 1146". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=ACO+1146.
External links
- Melnick, Jorge; Quintana, H. (1985). "The velocity field of the rich Abell cluster A1146". Astronomical Journal 90: 575–76. doi:10.1086/113761. ISSN 0004-6256. Bibcode: 1985AJ.....90..575M.
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