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Oscillation frequencies in the giant star xi Hya
The "frequency spectrum" of the giant star xi Hya, as deduced on the basis of extensive velocity measurements with the 1.2-m Leonhard Euler telescope at the ESO La Silla Observatory (Chile). The abscissa unit is microHertz; 100 µHz corresponds to a period of 10,000 seconds (2.78 hours).
Crédit:ESO
À propos de l'image
| Identification: | eso0215a |
| Type: | Graphique |
| Date de publication: | 15 mai 2002 |
| Communiqués de presse en rapport: | eso0215 |
| Taille: | 983 x 719 px |
À propos de l'objet
| Nom: | xi Hya |
| Type: | Milky Way : Star : Evolutionary Stage : Red Giant |
| Distance: | 130 années lumière |
| Catégorie: | Stars |
Couleurs & filtres
| Domaine | Télescope |
|---|---|
| Visible | Swiss 1.2-metre Leonhard Euler Telescope CORALIE |