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Laniakea Supercluster

The Laniakea Supercluster or Laniakea for short (/ˌlɑːni.əˈkeɪ.ə/; Hawaiian for "open skies" or "immense heaven") is the large-scale structure centered around the Great Attractor that is home to the Milky Way and approximately 100,000 other nearby galaxies. It was originally defined in September 2014 as a galaxy supercluster, when a group of astronomers…

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Binding mass
1×1017 M☉
Constellation(s)
Triangulum Australe and Norma (Great Attractor)
Declination
−46° 00′ (Great Attractor)
Distance
250 million ly (77 Mpc) h−1 67.80 ± 0.077 (Great Attractor) (H0 from Planck 2013)
Major axis
404 Mly (124 Mpc): 3 [a]
Number of galaxies
100,000–150,000[citation needed]

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Name

Characteristics

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Laniakea Supercluster

Nodes69
Edges68
Triples52
Avg. degree1.97
Density0.028986
Components1

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Laniakea Supercluster

Top relations

related to Characteristics · 24
Laniakea Supercluster → Centaurus SuperclusterAntlia Wall, Dorado, Eridanus, Fornax Cluster, Horologium Supercluster, Hydra, Hydra SuperclusterCentaurus SuperclusterSouthern Supercluster, Indus Superclusterthe Great Attractor, It, Laniakea's, Local Group, Milky Way, Mpc, Norma ClusterPavo, Norma Supercluster, NormaSeveral, Ophiuchus Cluster, Ophiuchus Supercluster, S373, The Laniakea
related to External links · 17
Laniakea Supercluster → Bloomberg, City' Just Got, CityLab, Daniel Pomarède, Laniakea, Meet Laniakea, Nature Video, New Name, October, Our Home Supercluster, Redrawing, Retrieved, September, Supercluster, The Boundaries, The Milky Way's, Vimeo
Binding mass · 1
Laniakea Supercluster → 1×1017 M☉
Constellation(s) · 1
Laniakea Supercluster → Triangulum Australe and Norma (Great Attractor)
Declination · 1
Laniakea Supercluster → −46° 00′ (Great Attractor)
Distance · 1
Laniakea Supercluster → 250 million ly (77 Mpc) h−1 67.80 ± 0.077 (Great Attractor) (H0 from Planck 2013)
Major axis · 1
Laniakea Supercluster → 404 Mly (124 Mpc): 3 [a]
Number of galaxies · 1
Laniakea Supercluster → 100,000–150,000[citation needed]
Parent structure · 1
Laniakea Supercluster → Pisces–Cetus Supercluster Complex (Shapley Concentration?)
Redshift · 1
Laniakea Supercluster → 0.0708 (center)

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Important terminology

supercluster laniakea superclusters attraction galaxy local cluster basins galaxies way including ophiuchus shapley virgo milky 2014 great attractor part known

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Laniakea SuperclusterBinding mass1×1017 M☉1.00infobox
Laniakea SuperclusterConstellation(s)Triangulum Australe and Norma (Great Attractor)1.00infobox
Laniakea SuperclusterDeclination−46° 00′ (Great Attractor)1.00infobox
Laniakea SuperclusterDistance250 million ly (77 Mpc) h−1 67.80 ± 0.077 (Great Attractor) (H0 from Planck 2013)1.00infobox
Laniakea SuperclusterMajor axis404 Mly (124 Mpc): 3 [a]1.00infobox
Laniakea SuperclusterNumber of galaxies100,000–150,000[citation needed]1.00infobox
Laniakea SuperclusterParent structurePisces–Cetus Supercluster Complex (Shapley Concentration?)1.00infobox
Laniakea SuperclusterRedshift0.0708 (center)1.00infobox
Laniakea SuperclusterRight ascension10h 32m (Great Attractor)1.00infobox
the Virgo Superclusterinstance ofrather than high-density regions0.80text
Laniakea asinstance ofwith referred to basins of attraction0.80text
Laniakea Superclusterrelated to CharacteristicsThe Laniakea0.60section

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