| Abell 1689 | |
|---|---|
 Hubble view of galaxy cluster Abell 1689. It combines both visible and infrared data, with a combined exposure time of over 34 hours.[1] | |
| Observation data (Epoch J2000) | |
| Constellation(s) | Virgo |
| Right ascension | 13h 11m 34.2s[2] |
| Declination | −01° 21′ 56″ |
| Richness class | 4[3] |
| Bautz–Morgan classification | II-III[3] |
| Redshift | 0.1832[2] |
| Distance | 754 Mpc (2,459 Mly) h−1 0.705[2] |
| X-ray flux | (14.729 ± 8.1%)×10−11 erg s−1 cm−2 (0.1–2.4 keV)[2] |
Abell 1689 is a galaxy cluster in the constellation Virgo over 2.3 billion light-years away.
- ^ "New Hubble image of galaxy cluster Abell 1689". ESA/Hubble Press Release. Retrieved 14 September 2013.
- ^ a b c d "NASA/IPAC Extragalactic Database". Results for Abell 1689. Retrieved 2012-03-17.
- ^ a b 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.