File:ELT secondary mirror blank successfully cast.jpg
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[edit]DescriptionELT secondary mirror blank successfully cast.jpg |
English: Opening of the ELT M2 ZERODUR® blank mould containing the still very hot ZERODUR® glass at first annealing at the SCHOTT 4-metre blank annealing facility in Mainz, Germany in May 2017. The completed mirror will be 4.2 metres in diameter and weigh 3.5 tonnes. It will be the largest secondary mirror ever employed on a telescope and also the largest convex mirror ever produced. |
Date | |
Source | https://www.eso.org/public/images/eso1715a/ |
Author | SCHOTT/ESO |
Licensing
[edit]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. | |
This file is licensed under the Creative Commons Attribution 4.0 International license.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 03:47, 7 June 2017 | 5,760 × 3,840 (2.64 MB) | Huntster (talk | contribs) | Full resolution. | |
15:48, 22 May 2017 | 1,280 × 853 (91 KB) | Jmencisom (talk | contribs) | User created page with UploadWizard |
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Credit/Provider | SCHOTT/ESO |
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Source | European Southern Observatory |
Short title |
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Image title |
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Usage terms |
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Date and time of data generation | 12:00, 22 May 2017 |
Software used | Adobe Photoshop CC 2015 (Windows) |
File change date and time | 13:13, 21 May 2017 |
Date and time of digitizing | 11:21, 11 May 2017 |
Date metadata was last modified | 15:13, 21 May 2017 |
Unique ID of original document | xmp.did:6e0ec682-e12f-1f49-9cd7-b5b2c4720538 |
Contact information |
Karl-Schwarzschild-Strasse 2 Garching bei München, , D-85748 Germany |
IIM version | 4 |