Schedar
| Schedar | ||||
|---|---|---|---|---|
| ||||
| Sterrenbeeld | Cassiopeia | |||
| Bayer-aanduiding | α Cas | |||
| Overige aanduidingen | 18 Cas, HD 3712, HR 168, SAO 21609, BD+55 139, RAFGL 100, IRC +60017, IRAS 00376+5615 | |||
| Waarnemingsgegevens | ||||
| Rechte klimming | 0u40m30,5s | |||
| Declinatie (Epoche 2000) |
+56° 32' 14" | |||
| Schijnbare magnitude | 2,23 | |||
| Details | ||||
| Spectraalklasse | K0IIIa | |||
| Afstand* (lj) | 228,241 lj (P=14,29 mas) | |||
| Veranderlijk | mogelijk, recente bronnen zeggen van niet | |||
| Meervoudig | viervoudig, alle componenten optisch, scheiding 64,4", helderste componenten verschillen 6,7 magnitude | |||
| Eigenbeweging (μ) | Rk: 50,88 mas/jr Dec: -32,13 mas/jr | |||
| * afstanden aangegeven als "parallax xxx = yyy lj" zijn herleid uit de in de bron aangegeven parallax | ||||
| ||||
Schedar (alpha Cassiopeiae) is de helderste ster in het sterrenbeeld Cassiopeia.
De ster staat ook bekend als Shedir en Schedir.
Bronnen
- (en) Schedar in SIMBAD
- Bright Star Catalogue
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