NGC 5631
| NGC 5631 | |
|---|---|
 | |
| Observation data (J2000.0 epoch) | |
| Constellation | Ursa Major |
| Right ascension | 14h 26m 33.3s |
| Declination | +56° 34′ 57″ |
| Redshift | 0.006608±0.000082 |
| Heliocentric radial velocity | 1,984±4 km/s |
| Distance | 92.76 ± 0.46 Mly (28.44 ± .14 Mpc) |
| Apparent magnitude (V) | 12.55 |
| Apparent magnitude (B) | 13.51 |
| Surface brightness | 22.6 mag/arcsec2 |
| Magnitude (J) | 9.386±0.013 |
| Magnitude (H) | 8.673±0.016 |
| Magnitude (K) | 8.466±0.02 |
| Characteristics | |
| Type | SA C |
| Mass | 7.7×1010 M☉ |
| Mass/Light ratio | 0.580 M☉/L☉ |
| Size | 65,000 ly |
| Apparent size (V) | 2.0′ × 2.0′ |
| Half-light radius (apparent) | 21 |
| Other designations | |
| NGC 5631, UGC 9261, PGC 51564 | |
References: | |
NGC 5631 is a lenticular galaxy in the constellation Ursa Major. It was discovered on April 17, 1789 by the astronomer William Herschel.
References
- ↑ "NGC 5631". SIMBAD. Retrieved October 31, 2026.
- ↑ "New General Catalog Objects: NGC 5600 - 5649". Retrieved 13 December 2025.
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