NGC 317

NGC 317
SDSS image of NGC 317
Observation data (J2000 epoch)
ConstellationAndromeda
Right ascension00h 57m 39.7s[1]
Declination+43° 47′ 47″[1]
Redshift0.018109[1]
Heliocentric radial velocity5,429 km/s[1]
Apparent magnitude (V)13.8[1]
Characteristics
TypeS0 + Sb[1]
Other designations
CGCG 536-013, PGC 3442 + PGC 3445.[1]

NGC 317 is a pair of interacting galaxies, consisting of a lenticular galaxy NGC 317A (also designated as PGC 3442) and a spiral galaxy NGC 317B (also designated as PGC 3445), in the constellation Andromeda. It was discovered on October 1, 1885 by Lewis Swift.[2]

Two supernovae have been observed in NGC 317B: SN 1999gl (type II, mag. 16.2),[3] and SN 2014dj (type Ic, mag. 17).[4]

References

  1. ^ a b c d e f g "NASA/IPAC Extragalactic Database". Results for NGC 0317. Retrieved September 2, 2016.
  2. ^ "New General Catalog Objects: NGC 300 - 349". Cseligman. Retrieved October 26, 2016.
  3. ^ Transient Name Server entry for SN 1999gl. Retrieved 31 March 2023.
  4. ^ Transient Name Server entry for SN 2014dj. Retrieved 31 March 2023.


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