NGC 7417
| Galaxy NGC 7417 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Toucan |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 22 h 57 m 49.5 s |
| declination | -65 ° 02 ′ 19 ″ |
| Appearance | |
| Morphological type | (R ') SB (r) a |
| Brightness (visual) | 12.4 mag |
| Brightness (B-band) | 13.2 mag |
| Angular expansion | 2.4 '× 1.6' |
| Position angle | 2 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 462 |
| Redshift | 0.010661 ± 0.000073 |
| Radial velocity | 3196 ± 22 km / s |
|
Stroke distance v rad / H 0 |
(138 ± 10) · 10 6 ly (42.4 ± 3.0) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | July 20, 1835 |
| Catalog names | |
| NGC 7417 • PGC 70113 • ESO 109-028 • 2MASX J22574951-6502188 • SGC 225436-6518.3 • 2MASS J22574952-6502189 • LDCE 1526 NED015 | |
NGC 7417 is a barred spiral galaxy of the Hubble type SBab in the constellation Toucan in the southern sky . It is estimated to be 138 million light years away from the Milky Way and has a diameter of around 100,000 ly.
In the same area of the sky are the galaxies IC 5266 and IC 5272 .
The object was discovered by John Herschel on July 20, 1835 .