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ALMA and Hubble observe LL Pegasi
This image is a composite of images made with the NASA/ESA Hubble Space Telescope and the Atacama Large Millimeter/submillimeter Array (ALMA), both observing the binary star system LL Pegasi. The old star LL Pegasi is continuously losing gaseous material as it evolves into a planetary nebula, and the distinct spiral shape is the imprint made by the stars orbiting in this gas.
The Hubble image can be seen here, the ALMA image here.
Links:
Crédit:ALMA (ESO/NAOJ/NRAO)/H. Kim et al., ESA/NASA & R. Sahai
À propos de l'image
| Identification: | potw1710b |
| Type: | Observation |
| Date de publication: | 6 mars 2017 06:00 |
| Taille: | 996 x 996 px |
À propos de l'objet
Fonds d'écran
Coordinates
| Position (RA): | 23 19 12.61 |
| Position (Dec): | 17° 11' 33.07" |
| Field of view: | 0.32 x 0.32 arcminutes |
| Orientation: | North is 0.0° left of vertical |
Visualiser avec WorldWide Telescope:
Couleurs & filtres
| Domaine | Longueur d'onde | Télescope |
|---|---|---|
| Visible V | 606 nm | Hubble Space Telescope ACS |
| Radio 13CO | Atacama Large Millimeter/submillimeter Array Band 6 |