Abell 1146

Galaxy cluster in the constellation Crater

Abell 1146
Observation data (Epoch J2000)
Constellation(s)	Crater
Right ascension	11^h 01^m 20.6^s^[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]
See also: Galaxy group, Galaxy cluster, List of galaxy groups and clusters

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

^ ^a ^b ^c ^d ^e ^f Mahdavi, Andisheh; Geller, Margaret J. (2001). "The L_X − 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

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.

Astronomical catalogs

Abell

Abell 1141
Abell 1142
Abell 1143
Abell 1144
Abell 1145
Abell 1146
Abell 1147
Abell 1148
Abell 1149
Abell 1150
Abell 1151

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Constellation of Crater

Stars

Bayer	α (Alkes) β γ δ ε ζ η θ ι κ λ ψ
Variable	R SZ TV
HR	4305 4428
HD	96167 98219 (Hunahpú) 98649
Other	BD−10°3166 DENIS-P J1058.7−1548 LP 791-18 WASP-34 (Amansinaya) WD 1054–226