NGC 3172

NGC 3172 (also known as Polarissima Borealis[1]) is a galaxy located in the constellation Ursa Minor. It is the closest NGC object to the North Celestial Pole.[1] Discovered by John Herschel in 1831, it is about 285 million light-years away and about 85 thousand light-years across.[2]

NGC 3172
NGC 3172
Observation data (J2000 epoch)
ConstellationUrsa Minor
Right ascension11h 47m 11.928s[1]
Declination+89° 05 35.77[1]
Apparent magnitude (V)14.9[1]
Characteristics
Apparent size (V)0.92′ × 0.79′[1]
Notable featuresClosest NGC object to the North Celestial Pole.
Other designations
NGC 3172, PGC 36847, MCG 15-1-11

A Type Ia supernova, 2010af, was discovered in NGC 3172 in March, 2010.[3]

See also

  • NGC 2573 - the closest NGC object to the South Celestial Pole.

References

  1. SIMBAD:%20NGC%203054%20--%20Galaxy "NGC 3172". sim-id. Retrieved 2020-05-29.
  2. "New General Catalog Objects: NGC 3150 - 3199". cseligman.com. Retrieved 2020-05-30.
  3. "Bright Supernovae - 2010". www.rochesterastronomy.org. Retrieved 2020-05-30.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.