NGC 7631

NGC 7631
NGC 7631 as seen by the Sloan Digital Sky Survey
Observation data
ConstellationPegasus
Right ascension23h 22m 46s
Declination+08° 21′ 37″
Redshift0.012588
Absolute magnitude (B)13.8
Magnitude (J)10.820
Magnitude (H)10.231
Magnitude (K)9.924
Characteristics
TypeSb C
References:

NGC 7631 is a spiral galaxy located in the constellation Pegasus. It was discovered on August 30, 1851, by the astronomer Bindon Blood Stoney.

Galaxy cluster and group

NGC 7631 is part of a galaxy cluster known as Pegasus I galaxy cluster. It consists of at least 69 members, namely NGC 7518, NGC 7562A, NGC 52, NGC 7591, NGC 7604, NGC 7819, NGC 7469, NGC 7529, NGC 7615, NGC 7608, NGC 7610, NGC 7648, NGC 7536, NGC 7515, NGC 7643, NGC 41 and NGC 85B. NGC 7631 is part of the central area of the galaxy cluster.

NGC 7631 is also part of a galaxy group known as NGC 7619 Group or LGG 473. It consist of at least 23 members, namely NGC 7518, NGC 7562, NGC 7562A, NGC 7557, NGC 7557, NGC 7617, NGC 7604, NGC 7611, NGC 7619, NGC 7626, NGC 7623, NGC 7608, NGC 7623, NGC 7610, NGC 7612, NGC 7648 and IC 1474.

References

  1. ↑ "NGC 7631 - Spiral Galaxy in Pegasus". Retrieved 24 December 2025.
  2. ↑ "SiMBAD". Retrieved 19 January 2026.
  3. ↑ "New General Catalog Objects: NGC 7600 - 7649". Retrieved 24 December 2025.
  4. ↑ Levy, Lorenza; Rose, James A.; van Gorkom, Jacqueline H.; Chaboyer, Brian (2007). "The Effect of Cluster Environment on Galaxy Evolution in the Pegasus I Cluster". The Astronomical Journal. 133 (3): 1104–1124. Bibcode:2007AJ....133.1104L. doi:10.1086/510723.
  5. ↑ Garcia, A. M. (1993). "General study of group membership. II. Determination of nearby groups". Astronomy & Astrophysics Supplement Series. 100: 47–90. Bibcode:1993A&AS..100...47G.