NGC 381
| AladinLite | |
| Constellation | Cassiopeia |
|
Position equinox : J2000.0 |
|
|---|---|
| Right ascension | 01 h 08 m 18.5 s |
| declination | + 61 ° 35 ′ 31 ″ |
| Appearance
|
|
| classification | III2p |
| Brightness (visual) | 9.3 mag |
| Angular expansion | 7 ' |
| Redness ( excess color E (BV)) | 0.829 |
| Physical data
|
|
| Redshift | −0.000073 ± 0.000020 |
| Radial velocity | (−22 ± 6) km / s |
| distance | approx. 3700 ly (approx. 1100 pc ) |
| Metallicity [Fe / H] | +0.07 |
| history | |
| Discovered by | William Herschel |
| Discovery time | November 3, 1787 |
| Catalog names | |
| NGC 381 • C 0105 + 613 • OCl 317 • Cr 10 • Lund 38 • GC 204 • H VIII 64 | |
NGC 381 is an open star cluster in the constellation Cassiopeia with an angular extent of 7 'and an apparent magnitude of +9.3 mag. The object was discovered by William Herschel on November 3, 1787 .
Web links
Individual evidence
- ↑ a b NASA / IPAC EXTRAGALACTIC DATABASE
- ^ A b c Students for the Exploration and Development of Space
- ↑ SIMBAD database, operated at CDS, Strasbourg, France
- ^ A site Devoted to Stellar Clusters in the Galaxy and the Magellanic Clouds
- ↑ Seligman