UGCA 292

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UGCA 292
UGCA 292 color cutout hst 10915 0u acs wfc f814w f475w sci.jpg
Image of UGCA 292 by the Hubble Space Telescope
Observation data
Constellation Canes Venatici
Right ascension 12h 38m
Declination +32° 45'
Distance 10 million ly
Characteristics
Type Dwarf irregular
Notable featuresGas rich and metal poor
Other designations
CVn I dwA

UGCA 292 (also known as CVn l dwA) is an extremely metal-poor irregular dwarf galaxy being the third lowest metallicity galaxy discovered. It also has the record for being of the nearest metal-poor galaxies known. It is located at a relatively nearby distance of 3.1 mpc in the constellation of Canes Venatici. [1] [2]

The galaxy is unevolved with lots of gas making up a significant fraction the galaxies mass and the low metallicity. [3]

Scientific importance

Due to its close distance to our galaxy (the Milky Way), it provides a unique opportunity to study gas rich galaxies with high star formation but low metallicity. The close proximity also makes it possible to resolve stellar populations. [1]

References

  1. 1 2 van Zee, Liese (July 2001). "The Stellar Population of UGCA 292, An Extreme Low Metallicity Galaxy". HST Proposal: 9044. Bibcode:2001hst..prop.9044V.
  2. Ford, Dominic. "UGCA 292 (Galaxy)". In-The-Sky.org. Retrieved 2025-08-01.
  3. van Zee, Liese (November 2000). "Discovery of an Extremely Metal-Poor Galaxy: Optical Spectroscopy of UGCA 292". The Astrophysical Journal. 543 (1): L31 –L34. arXiv: astro-ph/0009123 . Bibcode:2000ApJ...543L..31V. doi:10.1086/318176. ISSN   0004-637X.