NGC 256
| AladinLite | |
| Constellation | Toucan |
|
Position equinox : J2000.0 |
|
|---|---|
| Right ascension | 00 h 45 m 54.33 s |
| declination | -73 ° 30 ′ 24.2 ″ |
| Appearance
|
|
| Brightness (visual) | 12.5 mag |
| Brightness (B-band) | 12.75 mag |
| Angular expansion | 0.6 ' |
| Number of stars | 228 |
| Redness ( excess color E (BV)) | 0.037 |
| Physical data
|
|
| Affiliation | KMW |
| Age | (50 ± 10) million years |
| history | |
| Discovered by | John Herschel |
| Discovery time | April 11, 1834 |
| Catalog names | |
| NGC 256 • ESO 29-SC11 • GC 142 • h 2348 • Lindsay 30 • Kron 23 | |
NGC 256 is an open cluster in the constellation Toucan in the Small Magellanic Cloud .
The open star cluster NGC 256 was discovered on April 11, 1834 by the British astronomer John Frederick William Herschel .
Individual evidence
- ↑ a b c SIMBAD Database
- ↑ SEDS: NGC 256
- ^ A site Devoted to Stellar Clusters in the Galaxy and the Magellanic Clouds
- ↑ a b NASA / IPAC EXTRAGALACTIC DATABASE
- ↑ AV Ahumada1 - JJ Clariá1 - E. Bica2 - CM Dutra: Dating star clusters in the Small Magellanic Cloud by Means of integrated spectra . June 4, 2002. Retrieved January 17, 2011.
- ↑ Seligman