NGC 1023 Group

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 memberNGC 1023
Number of galaxies~5 plus 8 candidate members[1]
Distance
(co-moving)		20.5 million
Other designations
NGC 1023 group

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.

References
  1. "NGC 1023 Group". Astronomy Sketch of the Day. Retrieved 2020-09-11.
  2. http://www.atlasoftheuniverse.com/virgo.html


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