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The Perseus–Pegasus Filament is a galaxy filament containing the Perseus–Pisces Supercluster and stretching for roughly a billion light-years (or over 300/h Mpc). Currently, it is considered to be one of the largest known structures in the universe. [note 1] This filament is adjacent to the Pisces–Cetus Supercluster Complex. [1] [2]
Filament Date Mean distance Dimension Notes Coma Filament: The Coma Supercluster lies within the Coma Filament. [12] It forms part of the CfA2 Great Wall. [13] Perseus–Pegasus Filament: 1985 Connected to the Pisces–Cetus Supercluster, with the Perseus–Pisces Supercluster being a member of the filament. [14] Ursa Major Filament
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]
Perseus–Pegasus Filament (1985) 1,000,000,000: This galaxy filament contains the Perseus–Pisces Supercluster. Pisces–Cetus Supercluster Complex (1987) 1,000,000,000: Contains the Milky Way, and is the first galaxy filament to be discovered. (The first LQG was found earlier in 1982.) A new report in 2014 confirms the Milky Way as a member ...
The Pisces–Cetus Supercluster Complex is a galaxy filament. It includes the Laniakea Supercluster which contains the Virgo Supercluster lobe which in turn contains the Local Group, the galaxy cluster that includes the Milky Way. [1] This filament is adjacent to the Perseus–Pegasus Filament. [2]
The Perseus cluster (Abell 426) is a cluster of galaxies in the constellation Perseus. It has a recession speed of 5,366 km/ s and a diameter of 863 ′ . [ 1 ] It is one of the most massive objects in the known universe , containing thousands of galaxies immersed in a vast cloud of multimillion-degree gas.
This page was last edited on 2 September 2016, at 18:24 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Pegasus Void: 22 h +15° cz=5500 km/s 40 Mpc [18] The Perseus–Pisces Supercluster and Pegasus Supercluster form a sheet separate the Northern Local Void and Southern Local Void from the Pegasus Void. [2] Perseus–Pisces Void: 1 h +10° cz=8000 km/s 3000 km/s Discovered in 1980, [15] it is also called the Perseus Void: Sagittarius Void ...