Astronomy:NGC 1023 Group
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Short description: Group of galaxies about 20.6 million light-years from Earth
| NGC 1023 Group | |
|---|---|
| Observation data (Epoch ) | |
| Brightest member | NGC 1023 |
| Number of galaxies | ~5 plus 8 candidate members[1] |
| Distance (co-moving) | 20.6 Mly (6.3 Mpc) |
The NGC 1023 Group is a group of galaxies about 20.6 million light-years (6.3 Mpc) away from Earth. It is a group in the Local Supercluster, along with the Local Group.[2]
Members
| 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.
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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. doi:10.1111/j.1365-2966.2009.15189.x. Bibcode: 2009MNRAS.398..722T.
References
- ↑ "NGC 1023 Group". March 2014. http://www.asod.info/?p=11555.
- ↑ "The Universe within 100 million Light Years - the Virgo Supercluster". Atlas of the Universe. http://www.atlasoftheuniverse.com/virgo.html.
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