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physical object > natural object > celestial body > collection of stars > collection of galaxies > galaxy cluster > Perseus cluster |
Perseus cluster | ||||
subject | fact |
Perseus cluster | is a part of Perseus | |
is a part of Local Supercluster | ||
has redshift z = 0.0183 | ||
has brightest member NGC 1275 | ||
has number of galaxies 500 | ||
has mass 2 × 1015 Msun | ||
has definition A diffuse, irregular cluster (richness class 2) dominated by and centered on the Seyfert galaxy NGC 1275 (Perseus A). Mass required to bind the cluster, greater than 1015 Msun. | ||
is an instance of galaxy cluster | ||
collection of stars | has number of stars | |
has catalog catalog about star systems | ||
celestial body | has spectra | |
physical object | has location or center of gravity | |
has angular momentum | ||
has velocity | ||
has momentum | ||
has temperature | ||
has volume | ||
has extent | ||
has material |
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