NGC 1023 Group
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The NGC 1023 group is a
group of galaxies A galaxy group or group of galaxies (GrG) is an aggregation of galaxies comprising about 50 or fewer gravitationally bound members, each at least as luminous as the Milky Way (about 1010 times the luminosity of the Sun); collections of galaxies ...
about 20.6 million light-years away from
Earth Earth is the third planet from the Sun and the only astronomical object known to harbor life. While large volumes of water can be found throughout the Solar System, only Earth sustains liquid surface water. About 71% of Earth's surfa ...
. It is a group in the
Local Supercluster The Virgo Supercluster (Virgo SC) or the Local Supercluster (LSC or LS) is a mass concentration of galaxies containing the Virgo Cluster and Local Group, which itself contains the Milky Way and Andromeda galaxies, as well as others. At leas ...
along with the
Local Group The Local Group is the galaxy group that includes the Milky Way. It has a total diameter of roughly , and a total mass of the order of . It consists of two collections of galaxies in a "dumbbell" shape: the Milky Way and its satellites form ...
.


Members

* Probable (dwarfs): DDO 024, DDO 025. * Possible members: NGC 672, IC 1727, NGC 1156(?). * Possible (dwarfs): DDO 011, DDO 017, DDO 019, DDO 022, DDO 026.


Map

The location of the NGC 1023 group within the
Virgo supercluster The Virgo Supercluster (Virgo SC) or the Local Supercluster (LSC or LS) is a mass concentration of galaxies containing the Virgo Cluster and Local Group, which itself contains the Milky Way and Andromeda galaxies, as well as others. At least ...
(as part of the
Laniakea supercluster The Laniakea Supercluster (; Hawaiian for "open skies" or "immense heaven") is the galaxy supercluster that is home to the Milky Way and approximately 100,000 other nearby galaxies. It was defined in September 2014, when a group of astronom ...
) can be found near the center of this diagram - below the blue "Local Group" mark. File:07-Laniakea (LofE07240).png


Literature


References

Galaxy clusters Virgo Supercluster {{Galaxy-cluster-stub