UGC 9405 (also known as PGC 52142) is a faint dwarf irregular galaxy situated in the constellation of Ursa Major. It is about 20.5 million light-years, or 6.3 megaparsecs, away from the Earth.[3] It is listed as a member of the M101 Group, a group containing the several galaxies orbiting the largest, Pinwheel Galaxy (M101).[5] However, due to its far distance from the Pinwheel Galaxy, its membership of the group is uncertain.[3]

References

  1. ^ a b Adelman-McCarthy, J. K.; et al. (2009). "VizieR Online Data Catalog: The SDSS Photometric Catalog, Release 7". VizieR On-line Data Catalog. Bibcode:2009yCat.2294....0A.
  2. ^ a b c "UGC 9405". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-03-19.
  3. ^ a b c Carlsten, Scott G.; Beaton, Rachael L.; Greco, Johnny P.; Greene, Jenny E. (2019). "Using Surface Brightness Fluctuations to Study nearby Satellite Galaxy Systems: The Complete Satellite System of M101". The Astrophysical Journal. 878 (1): L16. arXiv:1901.07578. Bibcode:2019ApJ...878L..16C. doi:10.3847/2041-8213/ab24d2. S2CID 119089770.
  4. ^ a b c "Search specification: UGC 9405". HyperLeda. Université Claude Bernard Lyon 1. Retrieved 2021-03-19.
  5. ^ "The M101 group of galaxies". www.messier.seds.org. Retrieved 2020-04-26.
Allikas: https://en.wikipedia.org/wiki/UGC_9405
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