NGC 6598
| Galaxy NGC 6598 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Dragon |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 18 h 08 m 56.0 s |
| declination | + 69 ° 04 ′ 04 ″ |
| Appearance | |
| Morphological type | S / pec |
| Brightness (visual) | 13.1 mag |
| Brightness (B-band) | 14.0 mag |
| Angular expansion | 1.5 '× 1.1' |
| Position angle | 40 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.027713 ± 0.000167 |
| Radial velocity | 8308 ± 50 km / s |
|
Stroke distance v rad / H 0 |
(380 ± 27) · 10 6 ly (116.6 ± 8.2) Mpc |
| diameter | 225,000 ly |
| history | |
| discovery | Lewis Swift |
| Discovery date | September 6, 1883 |
| Catalog names | |
| NGC 6598 • UGC 11139 • PGC 61462 • CGCG 340-037 • MCG + 12-17-018 • IRAS F18092 + 6903 • 2MASX J18085598 + 6904042 • GALEX ASC J180856.17 + 690403.5 | |
NGC 6598 is a spiral galaxy of Hubble type S / P in the constellation Draco the northern sky . It is estimated to be 380 million light years from the Milky Way and about 165,000 light years in diameter.
The object was discovered by Lewis Swift on September 6, 1883 .