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NGC 7331, also known as Caldwell 30, is an unbarred spiral galaxy about 13.427 megaparsecs (43.79 million light-years) away in the constellation Pegasus. It was discovered by William Herschel on 6 September 1784.
Galaxy Groups, Supernovae & Overview
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ngc 7331 galaxy spiral discovered type supernova also magnitude 13 supernovae pegasus sn observatory galaxies unbarred away appears structure milky
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| NGC 7331 | Apparent magnitude (V) | 10.4 | 1.00 | infobox |
| NGC 7331 | Apparent size (V) | 10.5′ × 3.7′ | 1.00 | infobox |
| NGC 7331 | Constellation | Pegasus | 1.00 | infobox |
| NGC 7331 | Declination | +34° 24′ 56.72″ | 1.00 | infobox |
| NGC 7331 | Distance | 43.79 ± 8.800 Mly (13.427 ± 2.698 Mpc) | 1.00 | infobox |
| NGC 7331 | Galactocentric velocity | 1,030±9 km/s | 1.00 | infobox |
| NGC 7331 | Heliocentric radial velocity | 816±1 km/s | 1.00 | infobox |
| NGC 7331 | Redshift | 0.002722±0.000003 | 1.00 | infobox |
| NGC 7331 | Right ascension | 22h 37m 04.0624s | 1.00 | infobox |
| NGC 7331 | Size | 146,250 ly (44.84 kpc) (diameter; 25.0 B-mag arcsec−2)[a] 112,920 ly × 55,316 ly (34.62 kpc × 16.96 kpc) (diameter; "total" magnitude)[a] | 1.00 | infobox |
| NGC 7331 | Type | SA(s)b; HII LINER | 1.00 | infobox |
| NGC 7331 | related to External links | Wiktionary-logo-en-v2 | 0.60 | section |
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