Astronomy:NGC 317

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Short description: Pair of spiral galaxies in Andromeda
NGC 317
NGC 0317 SDSS.jpg
SDSS image of NGC 317
Observation data (J2000 epoch)
ConstellationAndromeda
Right ascension 00h 57m 39.7s[1]
Declination+43° 47′ 47″[1]
Redshift0.018109[1]
Helio 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. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 "NASA/IPAC Extragalactic Database". Results for NGC 0317. http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+317&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES. 
  2. ↑ "New General Catalog Objects: NGC 300 - 349". Cseligman. http://cseligman.com/text/atlas/ngc3.htm#317. 
  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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