NGC 3172
| NGC 3172 | |
|---|---|
 NGC 3172 imaged by Pan-STARRS | |
| Observation data (J2000 epoch) | |
| Constellation | Ursa Minor |
| Right ascension | 11h 47m 11.928s |
| Declination | +89° 05′ 35.77″ |
| Redshift | 0.020334±0.0000970 |
| Heliocentric radial velocity | 6,096±29 km/s |
| Distance | 291.4 ± 20.5 Mly (89.33 ± 6.28 Mpc) |
| Apparent magnitude (V) | 14.9 |
| Characteristics | |
| Type | S0 |
| Apparent size (V) | 0.92′ × 0.79′ |
| Notable features | Closest NGC object to the north celestial pole |
| Other designations | |
| MCG +15-01-011, PGC 36847, CGCG 370-002 | |
NGC 3172 (also known as Polarissima Borealis) is a lenticular galaxy located in the constellation Ursa Minor. It is the closest NGC object to the north celestial pole. Discovered by John Herschel in 1831, it is about 285 million light-years away and about 85 thousand light-years across.
Supernovae
Two supernovae have been observed in NGC 3172:
See also
- NGC 2573 - the closest NGC object to the south celestial pole.
- List of NGC objects (3001–4000)
References
- 1 2 3 4 5 6 SIMBAD:%20NGC%203054%20--%20Galaxy "NGC 3172". sim-id. Retrieved 2020-05-29.
- 1 2 3 4 "Results for object NGC 5442". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 18 August 2025.
- ↑ "Search specification: NGC 3172". HyperLeda. Université Claude Bernard Lyon 1. Retrieved 2021-02-24.
- ↑ "New General Catalog Objects: NGC 3150 - 3199". cseligman.com. Retrieved 2020-05-30.
- ↑ Boles, T. (2010). "Supernova 2010af in NGC 3172". Central Bureau Electronic Telegrams (2194): 1. Bibcode:2010CBET.2194....1B.
- ↑ "SN 2010af". Transient Name Server. IAU. Retrieved 18 August 2025.
- ↑ "SN 2017gla". Transient Name Server. IAU. Retrieved 18 August 2025.
External links
- SIMBAD: NGC 3054 -- Galaxy
- NGC 3172 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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