NGC 6155
| Galaxy NGC 6155 |
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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 26 m 08.3 s |
| declination | + 48 ° 22 ′ 01 ″ |
| Appearance | |
| Morphological type | SBcd |
| Brightness (visual) | 12.3 mag |
| Brightness (B-band) | 13.0 likes |
| Angular expansion | 1.3 ′ × 0.9 ′ |
| Position angle | 145 ° |
| Surface brightness | 12.3 mag / arcmin² |
| Physical data | |
| Redshift | 0.008066 ± 0.000090 |
| Radial velocity | 2418 ± 27 km / s |
|
Stroke distance v rad / H 0 |
(115 ± 8) x 10 6 ly (35.4 ± 2.5) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | May 12, 1787 |
| Catalog names | |
| NGC 6155 • UGC 10385 • PGC 58115 • CGCG 251-018 • MCG + 08-30-013 • IRAS 16247 + 4828 • 2MASX J16260830 + 4822009 • GC 4202 • H II 690 • GALEX ASC J162608.23 + 482201.5 | |
NGC 6155 is a 12.4 likes bright spiral galaxy with pronounced emission lines from the Hubble type Sc in the constellation Hercules at the northern sky . It is estimated to be 115 million light years from the Milky Way and about 40,000 light years in diameter.
The object was discovered on May 12, 1787 by Wilhelm Herschel with an 18.7-inch reflecting telescope, who described it as "F, pL, iF, gbM".