| NGC 406 | |
|---|---|
 NGC 406, byHubble Space Telescope | |
| Observation data (J2000epoch) | |
| Constellation | Tucana |
| Right ascension | 01h 07m 25.060s |
| Declination | −69° 52′ 45.27″ |
| Redshift | 0.005030[1] |
| Heliocentric radial velocity | 1508[1] |
| Distance | 66.30 ± 6.27 Mly (20.329 ± 1.923 Mpc)[1] |
| Apparent magnitude (B) | 13.02[2] |
| Characteristics | |
| Type | SA(s)c[2] |
| Size | 60,000 ly (18,000 pc) |
| Other designations | |
| ESO 51-18,PGC 3980 | |
NGC 406 is aspiral galaxy quite similar to the well knownWhirlpool Galaxy, located some 65 million light-years away,[1] in the southernconstellation ofTucana (the Toucan) and discovered in 1834 byJohn Herschel. It is described in theNew General Catalogue as "faint, very large, round, very gradually a little brighter middle".[3] NGC 406 is about60000light-years across, roughly half the diameter of theMilky Way.
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