UGC 8091
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True-color reproduction of the HST |
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| Observation data: J2000 epoch | |
|---|---|
| Constellation: | Virgo |
| Right ascension: | 12h 58m 40.4s[1] |
| Declination: | +14° 13′ 03″[1] |
| Redshift: | 214 ± 0 km/s[1] |
| Distance: | 7.9 Mly (2.4 Mpc) |
| Type: | ImV[1] |
| Apparent dimensions (V): | 1′.1 × 1′.0[1] |
| Apparent magnitude (V): | 14.7[1] |
| Notable features: | |
| Other designations | |
| PGC 44491,[1] DDO 155,[1], GR 8[1], Imprint of a Foot[1] | |
| See also: Galaxy, List of galaxies | |
UGC 8091 (also known as GR 8) is a gas-rich dwarf irregular galaxy.[2] In 1995, Tolstoy et. al. estimated its distance to be (with the Hipparcos correction of 1997 applied) ~7.9 Million light-years from Earth. There is still open question regarding if it is a member of the Local Group. It was discovered at the Lick Observatory using the 20-inch astrograph in either 1946, 1947, or 1951.
[edit] External links
- Irregular Galaxy GR 8: Footprint Galaxy
- DDO 155 picture (almost halfway down page)
- WIKISKY.ORG: SDSS image, UGC 8091
[edit] References
- ^ a b c d e f g h i j NASA/IPAC Extragalactic Database. Results for UGC 8091. Retrieved on March 15, 2007.
- ^ Tolstoy, Eline (1999). "Detailed Star-Formation Histories of Nearby Dwarf Irregular Galaxies using HST". The stellar content of Local Group galaxies, Proceedings of the 192nd symposium of the International Astronomical Union held in Cape Town, South Africa, 7-11 September 1998, Publisher: San Francisco, CA: Astronomical Society of the Pacific (ASP), Edited by Patricia Whitelock and Russell Cannon, ISBN: 1886733821.: 218.
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