NGC 2255
| Galaxy NGC 2255 |
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|---|---|
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| Image taken with the Hubble Space Telescope | |
| AladinLite | |
| Constellation | Dove |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 06 h 33 m 58.6 s |
| declination | -34 ° 48 ′ 45 ″ |
| Appearance | |
| Morphological type | SA (r:) c: / HII |
| Brightness (visual) | 13.5 likes |
| Brightness (B-band) | 14.2 mag |
| Angular expansion | 1.5 ′ × 0.7 ′ |
| Position angle | 152 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.022926 +/- 0.000023 |
| Radial velocity | 6873 +/- 7 km / s |
|
Stroke distance v rad / H 0 |
(298 ± 21) · 10 6 ly (91.4 ± 6.4) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | February 2, 1835 |
| Catalog names | |
| NGC 2255 • PGC 19260 • ESO 365-31 • MCG -06-15-10 • IRAS 06321-344 • 2MASX J06335861-3448454 • LDCE 0457 NED007 | |
NGC 2255 is a spiral galaxy of Hubble type SBc in the constellation dove from the astronomer John Herschel used its 18.7-inch reflecting telescope was discovered on February 2, 1835 and the result in the New General Catalog is recorded.