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]
| 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 | 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] | |
Its brightest member, PGC 33231, is an elliptical galaxy.[2] It has a redshift of 0.142.[1]
References
edit- ^ a b c d e f Mahdavi, Andisheh; Geller, Margaret J. (2001). "The LX − σ Relation for Galaxies and Clusters of Galaxies". The Astrophysical Journal. 554 (2): L129–L132. arXiv:astro-ph/0105315. Bibcode:2001ApJ...554L.129M. doi:10.1086/321710. S2CID 118106523.
- ^ a b "2MASS J11011452-2243527". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 3 April 2019.
- ^ a b 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. Bibcode:1989ApJS...70....1A. doi:10.1086/191333.
- ^ a b "NED results for object ABELL 1146". NASA/IPAC Extragalactic Database. National Aeronautics and Space Administration / Infrared Processing and Analysis Center. Retrieved 3 April 2019.
- ^ "ACO 1146". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 3 April 2019.
External links
edit- Melnick, Jorge; Quintana, H. (1985). "The velocity field of the rich Abell cluster A1146". Astronomical Journal. 90: 575–76. Bibcode:1985AJ.....90..575M. doi:10.1086/113761. ISSN 0004-6256.
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