Perseus–Pisces Supercluster

Perseus-Pisces Supercluster
Perseus-Pisces Supercluster
	A map of the Perseus-Pisces Supercluster
Observation data (Epoch )
Constellation(s)	Perseus, Pisces
Right ascension	01h 50m
Declination	+36° 00′
Distance	76.7 Mpc (250 Mly)

The Perseus–Pisces Supercluster (SCl 40) is one of the largest known structures in the universe. Even at a distance of 250 million light-years, this chain of galaxy clusters extends more than 40° across the northern winter sky. The Perseus–Pisces Supercluster is one of two dominant concentrations of galaxies (the other being the Local supercluster) in the nearby universe (within 300 million light years). This supercluster also borders a prominent void, the Taurus Void, and is part of the Perseus–Pegasus Filament which stretches for roughly a billion light years.^[1]

Clusters

The main clusters of the Perseus–Pisces Supercluster are Abell 262, Abell 347, and Abell 426.

^ 'Astrophysical Journal', Part 1 (ISSN 0004-637X), vol. 299, Dec. 1, 1985, p. 5-14. "A possible 300 megaparsec filament of clusters of galaxies in Perseus-Pegasus" 12/1985 Bibcode:1985ApJ...299....5B

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