NGC 3146
Galaxy NGC 3146 |
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NGC 3146 | |
AladinLite | |
Constellation | Water snake |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 10 h 11 m 09.87 s |
declination | -20 ° 52 ′ 14.5 ″ |
Appearance | |
Morphological type | SAB (r?) From / HII |
Brightness (visual) | 13.2 mag |
Brightness (B-band) | 14.0 mag |
Angular expansion | 1 ′ × 0.9 ′ |
Position angle | 100 ° |
Surface brightness | 12.9 mag / arcmin² |
Physical data | |
Redshift | 0.013202 ± 0.000103 |
Radial velocity | 3958 ± 31 km / s |
Stroke distance v rad / H 0 |
(168 ± 12) · 10 6 ly (51.5 ± 3.6) Mpc |
history | |
discovery | Ormond Stone |
Discovery date | 1886 |
Catalog names | |
NGC 3146 • PGC 29663 • ESO 567-023 • MCG -03-26-029 • 2MASX J10110987-2052146 • SGC 100848-2037.3 • GALEX ASC J101109.83-205213.7 • LDCE 729 NED047 • NVSS J101109-205214 |
NGC 3146 is a bar-spiral galaxy with extensive star formation regions of the Hubble type SBab in the constellation Water Snake south of the celestial equator . It is estimated to be 168 million light years from the Milky Way and about 50,000 light years across.
The object was discovered in 1886 by the astronomer Ormond Stone .