NGC 431
Galaxy data from NGC 431 |
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SDSS image from NGC 431 | |
AladinLite | |
Constellation | Andromeda |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 01 h 14 m 04.5 s |
declination | + 33 ° 42 ′ 15 ″ |
Appearance | |
Morphological type | SB0 |
Brightness (visual) | 12.9 mag |
Brightness (B-band) | 13.9 likes |
Angular expansion | 1.4 '× 0.9' |
Position angle | 20 ° |
Surface brightness | 13.0 mag / arcmin² |
Physical data | |
Redshift | 0.019107 +/- 0.000067 |
Radial velocity | 5728 +/- 20 km / s |
Stroke distance v rad / H 0 |
(263 ± 18) · 10 6 ly (80.5 ± 5.6) Mpc |
history | |
discovery | John Herschel |
Discovery date | November 22, 1827 |
Catalog names | |
NGC 431 • UGC 776 • PGC 4437 • CGCG 502-008 / 501-132 • MCG + 05-04-002 • 2MASX J01140455 + 3342149 • GC 240 • h 95 • LEDA 4437 |
NGC 431 is a lenticular galaxy of the Hubble type SB0 in the constellation Andromeda in the northern sky . It is estimated to be 263 million light years away from the Milky Way and has a diameter of around 105,000 ly.
In the same area of the sky are the galaxies NGC 443 , IC 1636 , IC 1638 , IC 1648 .
The object was discovered on November 22, 1827 by the British astronomer John Herschel .
Web links
Commons : NGC 431 - collection of images, videos, and audio files