Horologium Supercluster

Horologium Supercluster

A map of the Horologium Supercluster
Observation data (Epoch )
Constellation(s) Horologium and Eridanus
Right ascension 03h 19m
Declination −50° 02′
Major axis 169 Mpc (551 Mly)
Distance
(co-moving)		 291.4 Mpc (950 Mly)
Binding mass ~1017 M☉
Other designations
Horologium-Reticulum Supercluster
See also: Galaxy groups, Galaxy clusters, List of superclusters

The Horologium Supercluster, also known as Horologium-Reticulum Supercluster, consisting of SCl 48 and SCl 49) is a massive supercluster; spanning about 550 million light-years, it has a mass of 1017 solar masses, similar to that of the Laniakea Supercluster that houses the Milky Way. It is centered on coordinates right ascension 03h 19m and declination −50° 02′, and spans an angular area of 12° × 12°.[1]

The nearest part of the supercluster is 700 million light-years (z=0.063) away from Earth, while the far end of it is 1.2 billion light-years, visible in the constellations Horologium and Eridanus. The Horologium Supercluster has about 5,000 galaxy groups (30,000 giant galaxies and 300,000 dwarf galaxies). It includes the cluster Abell 3266.

See also

References

  1. ↑ Fleenor, Matthew C.; Rose, James A.; Christiansen, Wayne A.; Hunstead, Richard W.; Johnston-Hollitt, Melanie; Drinkwater, Michael J.; Saunders, William (September 2005). "Large-Scale Velocity Structures in the Horologium-Reticulum Supercluster". The Astronomical Journal. 130 (3): 957–967. arXiv:astro-ph/0505361Freely accessible. Bibcode:2005AJ....130..957F. doi:10.1086/431972.

External links

Coordinates: 03h 19m 0s, −50° 02′ 00″

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