NGC 4970
| Galaxy NGC 4970 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Water snake |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 13 h 07 m 33.7 s |
| declination | -24 ° 00 ′ 31 ″ |
| Appearance | |
| Morphological type | S0 ^ 0: |
| Brightness (visual) | 12.2 mag |
| Brightness (B-band) | 13.2 mag |
| Angular expansion | 1.8 ′ × 1.0 ′ |
| Position angle | 140 ° |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.010858 ± 0.000117 |
| Radial velocity | 3255 ± 35 km / s |
|
Stroke distance v rad / H 0 |
(139 ± 10) · 10 6 ly (42.7 ± 3) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | March 26, 1789 |
| Catalog names | |
| NGC 4970 • IC 4196 • PGC 45466 • ESO 508-9 • MCG -04-31-033 • SGC 130451-2344.5 • GC 3408 • H III 765 • LDCE 0955 NED004 | |
NGC 4970 = IC 4196 is a 12.2 likes bright lenticular galaxy of Hubble type S0 in the constellation of Hydra and approximately 139 million light-years from the Milky Way center.
She was spotted twice; first on March 26, 1789 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as “vF, pL, iF” (observation listed as NGC 4970 ); then on February 27, 1898 by Lewis A. Swift (listed as IC 4196 ).