factograf
EN
Sign in

Galaxy in the constellation Pegasus

NGC 7647

NGC 7647
All data from the card 8
Constellation
Pegasus
Right ascension
23h 23m 57.4331s
Declination
+16° 46′ 38.122″
Redshift
0.041091
Heliocentric radial velocity
12,319 km/s
Distance
575 Mly
Type
cD;E;BrCIG
Size
~315,400 ly (96.70 kpc) (estimated)

NGC 7647 is a giant elliptical galaxy of type cD located in the constellation Pegasus. The redshift of the galaxy is (z) 0.041 and it was discovered by German-British astronomer William Herschel on 29 November 1785.

Supernovae

Two supernovae have been observed in NGC 7647:

  • SN 2009hi (Type Ia, mag. 18.0) was discovered by Kōichi Itagaki, and independently by the Lick Observatory Supernova Search (LOSS), on 10 July 2009.
  • SN 2026abud (Type Ia, mag. 20.1) was discovered by GOTO on 14 September 2026.

Read next

In 27 languages

Text from Wikipedia, CC BY-SA 4.0 · Source article