NGC 7220
| Galaxy NGC 7220 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Aquarius |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 22 h 11 m 31.00 s |
| declination | -22 ° 57 ′ 10.3 ″ |
| Appearance | |
| Morphological type | SAB (s) 0 ^ 0 ^: |
| Brightness (visual) | 13.5 likes |
| Brightness (B-band) | 14.5 mag |
| Angular expansion | 0.9 '× 0.7' |
| Position angle | 3 ° |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.017666 ± 0.000090 |
| Radial velocity | 5296 ± 27 km / s |
|
Stroke distance v rad / H 0 |
(240 ± 17) x 10 6 ly (73.5 ± 5.2) Mpc |
| history | |
| discovery | Frank Muller |
| Discovery date | 1886 |
| Catalog names | |
| NGC 7220 • PGC 68241 • ESO 532-028 • MCG -04-52-020 • 2MASX J22113100-2257102 • SGC 220844-2312.0 • GALEX ASC J221130.98-225708.2 • LDCE 1506 NED001 • WISEA J221131.01-225710.1 | |
NGC 7220 is a lenticular galaxy of the Hubble type SB0 in the constellation Aquarius on the ecliptic . It is estimated to be 240 million light years from the Milky Way and about 65,000 light years in diameter.
In the same area of the sky are u. a. the galaxies IC 1435 and IC 5178 .
The property was discovered by Frank Muller in 1886 .