HCM-6A
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| HCM-6A | |
| Observation data (J2000 epoch) | |
|---|---|
| Constellation | Cetus |
| Right ascension | 02h 39m 54.7s |
| Declination | -01° 33′ 32″ |
| Redshift | 6.56 |
| Distance | 12.8 billion light years |
| See also: Galaxy, List of galaxies | |
HCM-6A, was found in 2002 by a team led by Esther Hu from the University of Hawaii, using the Keck II Telescope in Hawaii. HCM-6A is located behind the Abell 370 galactic cluster, near M77 [1] in the constellation Cetus, which enabled the astronomers to use Abell 370 as a gravitational lense to get a clearer image of the object.
[edit] References
- ^ Halton Arp and David Russell. "A Possible Relationship between Quasars and Clusters of Galaxies". The Astrophysical Journal 549 (2): 802-819. doi:10.1086/319438.
- ^ E. M. Hu et al. "A Redshift z = 6.56 Galaxy behind the Cluster Abell 370". The Astrophysical Journal 568 (2): L75-L79. doi:10.1086/340424.
- ^ Press release, National Astronomical Observatory of Japan, September 13, 2006
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