Abell 1991 - Misplaced Pages

Galaxy cluster in the constellation of Boötes

Abell 1991
Observation data (Epoch J2000)
Constellation(s)	Boötes
Right ascension	14 54 30.2
Declination	+18° 37′ 51″
Richness class	1
Bautz–Morgan classification	I
Redshift	0.05870 (17 598)
Distance	249 Mpc (812 Mly) h _0.705
ICM temperature	2.61 keV
Binding mass	1.23×10 `M`_☉
X-ray flux	(9.40 ± 16.7%)×10 erg s cm (0.1–2.4 keV)

Abell 1991 is a galaxy cluster in the Abell catalogue.

References

^ "NED results for object ABELL 1991". NASA/IPAC Extragalactic Database (NED). Retrieved March 17, 2012.
^ 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.
^ Table 4 from Vikhlinin, A.; Kravtsov, A.; Forman, W.; Jones, C.; Markevitch, M.; Murray, S. S.; Van Speybroeck, L. (April 2006). "Chandra Sample of Nearby Relaxed Galaxy Clusters: Mass, Gas Fraction, and Mass-Temperature Relation". The Astrophysical Journal. 640 (2). Chicago, Illinois, USA: 691–709. arXiv:astro-ph/0507092. Bibcode:2006ApJ...640..691V. doi:10.1086/500288. S2CID 18940822.

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