NGC 417
Galaxy NGC 417 |
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AladinLite | |
Constellation | whale |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 01 h 11 m 05.5 s |
declination | -18 ° 08 ′ 54 ″ |
Appearance | |
Morphological type | SAB0-: / LINER |
Brightness (visual) | 14.3 mag |
Brightness (B-band) | 15.3 mag |
Angular expansion | 0.6 ′ × 0.5 ′ |
Position angle | 55 ° |
Surface brightness | 13.1 mag / arcmin² |
Physical data | |
Redshift | 0.042223 ± 0.000150 |
Radial velocity | 12,658 ± 45 km / s |
Stroke distance v rad / H 0 |
(566 ± 40) · 10 6 Lj (173.6 ± 12.2) Mpc |
history | |
discovery | Francis P. Leavenworth |
Discovery date | 1886 |
Catalog names | |
NGC 417 • PGC 4237 • ESO 541-024 • MCG -03-04-019 • 2MASX J01110557-1808534 • SGC 010839-1824.9 • GALEX ASC J011105.71-180854.9 |
NGC 417 is an elliptical galaxy of the Hubble type E / SB0 with an active galaxy core in the constellation Whale south of the ecliptic . It is an estimated 566 million light years away from the Milky Way and about 100,000 light years in diameter.
The object was discovered in 1886 by the American astronomer Francis Preserved Leavenworth .
Web links
Commons : NGC 417 - collection of images, videos, and audio files