Movatterモバイル変換


[0]ホーム

URL:


Jump to content
WikipediaThe Free Encyclopedia
Search

NGC 3172

Coordinates:Sky map11h 47m 11.928s, +89° 05′ 35.77″
From Wikipedia, the free encyclopedia
Galaxy in the constellation Ursa Minor
NGC 3172
NGC 3172 imaged byPan-STARRS
Observation data (J2000epoch)
ConstellationUrsa Minor
Right ascension11h 47m 11.928s[1]
Declination+89° 05′ 35.77″[1]
Redshift0.020334±0.0000970[2]
Heliocentric radial velocity6,096±29 km/s[2]
Distance291.4 ± 20.5 Mly (89.33 ± 6.28 Mpc)[2]
Apparent magnitude (V)14.9[1]
Characteristics
TypeS0[3]
Apparent size (V)0.92′ × 0.79′[1]
Notable featuresClosest NGC object to thenorth celestial pole
Other designations
MCG +15-01-011,PGC 36847,CGCG 370-002[2]

NGC 3172 (also known asPolarissima Borealis[1]) is alenticular galaxy located in the constellationUrsa Minor. It is the closestNGC object to thenorth celestial pole.[1] Discovered byJohn Herschel in 1831, it is about 285 millionlight-years away and about 85 thousand light-years across.[4]

Supernovae

[edit]

Twosupernovae have been observed in NGC 3172:

  • SN 2010af (Type Ia, mag. 17.2), was discovered byTom Boles on 4 March 2010.[5][6]
  • SN 2017gla (Type Ia, mag. 16), was discovered on by Giancarlo Cortini on 1 September 2017.[7]

See also

[edit]

References

[edit]
  1. ^abcdefSIMBAD:%20NGC%203054%20--%20Galaxy "NGC 3172".sim-id. Retrieved2020-05-29.
  2. ^abcd"Results for object NGC 5442".NASA/IPAC Extragalactic Database.NASA andCaltech. Retrieved18 August 2025.
  3. ^"Search specification: NGC 3172".HyperLeda. Université Claude Bernard Lyon 1. Retrieved2021-02-24.
  4. ^"New General Catalog Objects: NGC 3150 - 3199".cseligman.com. Retrieved2020-05-30.
  5. ^Boles, T. (2010)."Supernova 2010af in NGC 3172".Central Bureau Electronic Telegrams (2194): 1.Bibcode:2010CBET.2194....1B.
  6. ^"SN 2010af".Transient Name Server.IAU. Retrieved18 August 2025.
  7. ^"SN 2017gla".Transient Name Server.IAU. Retrieved18 August 2025.

External links

[edit]
3001 to 3100
3101 to 3200
3201 to 3300
3301 to 3400
3401 to 3500
3501 to 3600
3601 to 3700
3701 to 3800
3801 to 3900
3901 to 4000
Stars
Bayer
Flamsteed
Variable
HR
HD
Other
Exoplanets
Nebulae
Galaxies
NGC
Other
Galaxy clusters


Stub icon

Thislenticular galaxy article is astub. You can help Wikipedia byadding missing information.

Retrieved from "https://en.wikipedia.org/w/index.php?title=NGC_3172&oldid=1328240320"
Categories:
Hidden categories:

[8]ページ先頭

©2009-2026 Movatter.jp