NGC 6181
| Galaxy NGC 6181 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Hercules |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 16 h 32 m 20.9 s |
| declination | + 19 ° 49 ′ 36 ″ |
| Appearance | |
| Morphological type | SA (rs) c / HII |
| Brightness (visual) | 11.8 mag |
| Brightness (B-band) | 12.5 mag |
| Angular expansion | 2.5 ′ × 1.1 ′ |
| Position angle | 175 ° |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.007922 +/- 0.000013 |
| Radial velocity | 2375 +/- 4 km / s |
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Stroke distance v rad / H 0 |
(112 ± 8) · 10 6 ly (34.2 ± 2.4) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | April 28, 1788 |
| Catalog names | |
| NGC 6181 • UGC 10439 • PGC 58470 • CGCG 109-031 • MCG + 03-42-020 • IRAS 16301 + 1955 • 2MASX J16322096 + 1949357 • GC 4218 • H II 753 • LDCE 1193 NED003 | |
NGC 6181 is a barred spiral galaxy with extensive star formation from Hubble type SBc in the constellation Hercules . It is around 112 million light years away from the Milky Way and has a disk diameter of around 80,000 light years.
The object was discovered on April 28, 1788 by the astronomer William Herschel with the help of his 18.7 inch reflector telescope and was later included in his New General Catalog by Johan Dreyer .
Photo from the Hubble Space Telescope
