Fichier:The HARPS polarimeter.jpg
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English: The very successful HARPS spectrograph, attached to ESO’s 3.6-metre telescope at La Silla, Chile, has been enhanced with a new capability: the most precise polarimeter in the world. Polarisation describes the preferential plane in which light vibrates upon propagation and is measured with a polarimeter. The first observations with the HARPS polarimeter show that this new instrument already exceeds expectations. It can detect the polarisation of light, at a level as small as 1 part in 100 000, without any disturbances from the Earth’s atmosphere and the instrument itself. Together with the unprecedented stability of the spectrograph, this renders the HARPS polarimeter the most precise of its kind. Furthermore, it is the only polarimeter of its kind in the southern hemisphere. |
| Date | |
| Source | http://cdn.eso.org/images/large/ann1005a.jpg (image) / http://www.eso.org/public/france/images/ann1005a/ (description) |
| Auteur | ESO/F. Snik |
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This media was created by the European Southern Observatory (ESO).
Their website states: "Unless specifically noted, the images, videos, and music distributed on the public ESO website, along with the texts of press releases, announcements, pictures of the week, blog posts and captions, are licensed under a Creative Commons Attribution 4.0 International License, and may on a non-exclusive basis be reproduced without fee provided the credit is clear and visible." To the uploader: You must provide a link (URL) to the original file and the authorship information if available. |
  Ce fichier est disponible selon les termes de la licence Creative Commons Attribution 4.0 International.
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| Date et heure | Vignette | Dimensions | Utilisateur | Commentaire | |
|---|---|---|---|---|---|
| actuel | 7 juin 2015 à 08:14 | | 2 576 × 1 932 (1,23 Mio) | SenseiAC | User created page with UploadWizard |
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