IC 4598
| Galaxy IC 4598 |
|
|---|---|
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|
| AladinLite | |
| Constellation | Scorpio |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 16 h 18 m 13.3 s |
| declination | -31 ° 26 ′ 34 ″ |
| Appearance | |
| Morphological type | Sb: / HII |
| Brightness (visual) | 14.2 mag |
| Brightness (B-band) | 15.0 mag |
| Angular expansion | 1.50 '× 0.4' |
| Position angle | 175 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.012262 ± 0.000020 |
| Radial velocity | 3676 ± 6 km / s |
|
Stroke distance v rad / H 0 |
(162 ± 11) · 10 6 ly (49.8 ± 3.5) Mpc |
| history | |
| discovery | Royal H. Frost |
| Discovery date | July 16, 1903 |
| Catalog names | |
| IC 4598 • PGC 57772 • ESO 451-018 • IRAS 16150-3119 • 2MASX J16181331-3126343 • HIPASS J1618-31 | |
IC 4598 is a spiral galaxy with extensive star formation regions of the Hubble type Sbc in the constellation Scorpio in the southern sky . It is an estimated 162 million light-years from the Milky Way and about 70,000 light-years across.
The object was discovered by Royal Harwood Frost on July 16, 1903 .