NGC 6658
| Galaxy NGC 6658 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Hercules |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 18 h 33 m 55.7 s |
| declination | + 22 ° 53 ′ 17 ″ |
| Appearance | |
| Morphological type | S0 / a? |
| Brightness (visual) | 13.0 likes |
| Brightness (B-band) | 13.9 likes |
| Angular expansion | 1.60 × 0.3 |
| Position angle | 5 ° |
| Surface brightness | 12.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.014243 ± 0.000167 |
| Radial velocity | 4270 ± 50 km / s |
|
Stroke distance v rad / H 0 |
(199 ± 14) · 10 6 ly (61.0 ± 4.3) Mpc |
| history | |
| discovery | Albert Marth |
| Discovery date | June 6, 1864 |
| Catalog names | |
| NGC 6658 • UGC 11274 • PGC 62052 • CGCG 143-002 • MCG + 04-44-002 • 2MASX J18335567 + 2253178 • GALEX ASC J183355.66 + 225322.7 • LDCE 1300 NED006 | |
NGC 6658 is a lenticular galaxy of the Hubble type S0 / a in the constellation Hercules in the northern sky . It is estimated to be 199 million light years from the Milky Way and about 90,000 light years across.
In the same area of the sky is u. a. the galaxy NGC 6660 .
The object was discovered by Albert Marth on June 6, 1864 .