NGC 1809
Galaxy NGC 1809 |
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Photo from the Hubble Space Telescope | |
AladinLite | |
Constellation | Swordfish |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 05 h 02 m 05.0 s |
declination | -69 ° 34 ′ 06 ″ |
Appearance | |
Morphological type | Sc |
Brightness (visual) | 12.5 mag |
Brightness (B-band) | 13.2 mag |
Angular expansion | 3.2 ′ × 0.8 ′ |
Position angle | 143 ° |
Surface brightness | 13.4 mag / arcmin² |
Physical data | |
Redshift | 0.004336 +/- 0.000013 |
Radial velocity | 1300 +/- 4 km / s |
Stroke distance v rad / H 0 |
(50 ± 4) x 10 6 ly (15.2 ± 1.1) Mpc |
history | |
discovery | John Herschel |
Discovery date | December 24, 1834 |
Catalog names | |
NGC 1809 • PGC 16599 • ESO 56-048 • IRAS 05023-6937 • 2MASX J05020500-6934058 • SGC 050226-6938.3 • GC 1022 • h 2747 • HIPASS J0502-69 • LDCE 0328 NED023 |
NGC 1809 is a spiral galaxy in the constellation Dorado of the Hubble-type Sc in the southern sky , an estimated 50 million light years from the Milky Way . It was discovered on December 24, 1834 by John Herschel with a reflector with an 18.7 ″ aperture and was later listed by Dreyer in the New General Catalog .