NGC 7816

NGC 7816
SDSS image of NGC 7816
Observation data (J2000 epoch)
ConstellationPisces
Right ascension00h 03m 48.8s
Declination07° 28′ 43″
Redshift0.017480/5240 km/s
Distance217,249,200 ly
Apparent magnitude (V)13.61
Characteristics
TypeSbc
Size~ 65,468.34 ly
Apparent size (V)1.7 x 1.5
Other designations
CGCG 408-18, IRAS 00012+0712, MCG+1-1-18, PGC 263, UGC 16

NGC 7816 is a spiral galaxy located about 215 million light-years away in the constellation of Pisces. It was discovered by astronomer William Herschel on September 26, 1785.

One supernovae has been observed in NGC 7816: SN 2017gww (Type II, mag. 17.9) was discovered by Kōichi Itagaki on September 26, 2017.

Pair with NGC 7818

NGC 7816 is listed as being in pair with the galaxy NGC 7818. NGC 7818 is also listed as being a disturbed member of the pair. However, due to the large difference in their recessional velocities, the two galaxies are not a true pair but an optical double.

See also

References

  1. 1 2 3 4 5 6 7 "NASA/IPAC Extragalactic Database". Results for NGC 7816. Retrieved 2017-08-10.
  2. ↑ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-08-11.
  3. ↑ Rojas, Sebastián García. "Galaxy NGC 7816 – Galaxy in Pisces Constellation · Deep Sky Objects Browser". DSO Browser. Retrieved 2017-08-11.
  4. 1 2 3 4 "New General Catalog Objects: NGC 7800 – 7840". cseligman.com. Retrieved 2017-08-11.
  5. ↑ "SN 2017gww". Transient Name Server. IAU. Retrieved 15 November 2025.
  6. ↑ "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2017-08-11.
  7. ↑ "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2017-08-11.