NGC 406

NGC 406 is a spiral galaxy quite similar to the well known Whirlpool Galaxy, located some 65 million light-years away,[1] in the southern constellation of Tucana (the Toucan) and discovered in 1834 by John Herschel. It is described in the New General Catalogue as "faint, very large, round, very gradually a little brighter middle".[3] NGC 406 is about 60000 light-years across, roughly half the diameter of the Milky Way.

NGC 406
Observation data (J2000 epoch)
ConstellationTucana
Right ascension 01h 07m 25.060s
Declination−69° 52′ 45.27″
Redshift0.005030[1]
Helio radial velocity1508[1]
Distance66.30 ± 6.27 Mly (20.329 ± 1.923 Mpc)[1]
Apparent magnitude (B)13.02[2]
Characteristics
TypeSA(s)c[2]
Size60,000 ly (18,000 pc)
Other designations
ESO 51-18, PGC 3980
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References
  1. "NASA/IPAC Extragalactic Database". Results for NGC 406. Retrieved 12 February 2017.
  2. "NGC 406". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 12 February 2017.
  3. "New General Catalog Objects: NGC 400 - 449". cseligman.com. Retrieved 2018-01-23.


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