NGC 381
NGC 381 ist ein offener Sternhaufen im Sternbild Cassiopeia mit einer Winkelausdehnung von 7' und einer scheinbaren Helligkeit von 9,3 mag. Das Objekt wur…
| Offener Sternhaufen NGC 381 | |
|---|---|
| AladinLite | |
| Sternbild | Kassiopeia |
| Position Äquinoktium: J2000.0 | |
| Rektaszension | 01h 08m 18,5s [1] |
| Deklination | +61° 35′ 31″ [1] |
| Erscheinungsbild | |
| Klassifikation | III2p [2] |
| Helligkeit (visuell) | 9,3 mag [2] |
| Rötung (Farbexzess E(B-V)) | 0,829 [1] |
| Physikalische Daten | |
| Rotverschiebung | −0,000073 ± 0,000020 [3] |
| Radialgeschwindigkeit | (−22 ± 6) km/s [3] |
| Entfernung [4] | ca. 3700 Lj (ca. 1100 pc) |
| Metallizität [Fe/H] | +0,07 |
| Geschichte | |
| Entdeckt von | William Herschel |
| Entdeckungszeit | 3. November 1787 |
| Katalogbezeichnungen | |
| NGC 381 • C 0105+613 • OCl 317 • Cr 10 • Lund 38 • GC 204 • H VIII 64 | |
NGC 381 ist ein offener Sternhaufen im Sternbild Cassiopeia mit einer Winkelausdehnung von 7' und einer scheinbaren Helligkeit von +9,3 mag. Das Objekt wurde am 3. November 1787 von William Herschel entdeckt.[5]
Weblinks
Einzelnachweise
- ↑ 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
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