NGC 474

Coordinates: 01h 20m 06.7s, +03° 24′ 58″

NGC 474
Observation data (J2000[1] epoch)
Constellation Pisces[2]
Right ascension 01h 20m 06.7s[1]
Declination +03° 24′ 58″[1]
Redshift 0.007755[1]
Helio radial velocity 2325 km/s ±7 km/s[1]
Galactocentric velocity 2398 km/s ±7 km/s[1]
Distance ~100 Mly (~31 Mpc)[2]
Characteristics
Type S0[3]
Size 250,000 ly (diameter)[4]
Other designations
Arp 227, MCG 0-4-85, PGC 4801, UGC 864, ZWG 385.71[3]

NGC 474 is an elliptical galaxy about 100 million light years distant in the constellation Pisces. This large galaxy is known to possess tidal tails, although their origins remain unknown.[2]

Supernova

In July 2017 a Type Ia supernova designated SN 2017fgc was discovered in NGC 474.[5] It was located a considerable distance from the galactic nucleus.[6]

Further reading

References

  1. 1 2 3 4 5 6 "NED results for object NGC 0474*". NASA/IPAC Extragalactic Database. Retrieved 2011-02-26.
  2. 1 2 3 Schirmer, Mischa. "NGC 474". Archived from the original on 2011-06-29. Retrieved 2011-02-26.
  3. 1 2 "Revised NGC Data for NGC 474". The Interactive NGC Catalog Online. Retrieved 2011-02-26.
  4. ↑ "Galaxy NGC 474". NASA Astronomy Picture of the Day. Retrieved 2018-02-07.
  5. ↑ "SN 2017 fgc". Transient Name Server. Retrieved 9 February 2018.
  6. ↑ King, Bob. "Sky Surprises: New Comet ASASSN1, Nova in Scutum, and Supernova in Pisces!". Sky & Telescope.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.