Abell 2261
| Abell 2261 | |
|---|---|
|
Abell 2261 Credit: Hubble Space Telescope | |
| Observation data (Epoch 2000) | |
| Right ascension | 17h 22m |
| Declination | +32° 08′ |
| Redshift | 0.224 |
| Distance (co-moving) |
909 Mpc (2,965 Mly) h−1 0.70 |
| ICM temperature | 7.6 ± 0.30 keV |
| Binding mass |
2.9 ± 0.5×1014 h−1 0.70 M☉ |
| X-ray luminosity | 18.0 ± 0.2 ×1044 erg s−1 (bolometric) |
| See also: Galaxy groups, Galaxy clusters, List of galaxy clusters | |
Abell 2261 is one of 25 galaxy clusters being studied as part of the Cluster Lensing And Supernova survey with Hubble (CLASH) program, a major project to build a library of scientific data on lensing clusters.[1]
It also has the galaxy A2261-BCG (short for Abell 2261 Brightest Cluster Galaxy) which has the largest galaxy core ever observed.[2]
References
- ↑ "Monster Galaxy May Have Been Stirred Up By Black-hole Mischief" NASA. Retrieved 28 October 2013.
- ↑ Monster Galaxy's Core Is Biggest Ever Seen