NGC 1023 Group - Galaxy - astro.wikisort.org

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The NGC 1023 group is a group of galaxies about 20.6 million light-years away from Earth. It is a group in the Local Supercluster along with the Local Group.[2]

NGC 1023 group
Observation data (Epoch )
Brightest member	NGC 1023
Number of galaxies	~5 plus 8 candidate members[1]
Distance (co-moving)	20.5 million
Other designations
NGC 1023 group
See also: Galaxy group, Galaxy cluster, List of galaxy groups and clusters

Members

**Members of the group**
Name	Type	Magnitude
NGC 1023	SB(rs)0	+10.65
NGC 925	SAB(s)d	+10.96
NGC 891	SA(s)b	+11.24
NGC 1239	SAB(rs)cd	+12.14
NGC 1058	SA(rs)c	+12.26

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 (as part of the Laniakea supercluster) can be found near the center of this diagram - below the blue "Local Group" mark.

Literature

Trentham, Neil; Tully, R. Brent (2009). "Dwarf galaxies in the NGC 1023 Group". Monthly Notices of the Royal Astronomical Society. 392 (2): 722–734. arXiv:0906.2540. Bibcode:2009MNRAS.398..722T. doi:10.1111/j.1365-2966.2009.15189.x. S2CID 18442520.

References

"NGC 1023 Group". Astronomy Sketch of the Day. Retrieved 2020-09-11.
"The Universe within 100 million Light Years - the Virgo Supercluster".

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