File:How Euclid scans the sky ESA24913466.jpg
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[edit]DescriptionHow Euclid scans the sky ESA24913466.jpg |
English: Euclid scans across the night sky using a 'step-and-stare' method, combining separate measurements to form the largest cosmological survey ever conducted in the visible and near-infrared. Each time Euclid 'stares', its telescope points to a position in the sky, performing imaging and spectroscopic measurements on an area of approximately 0.5 deg² around this position. After each stare, the telescope shifts (or 'steps') to a new position. The instruments will scan over a total of around 35% of the sky. This is the largest area that includes a complete detection of the galaxies necessary for Euclid’s cosmological studies. The rest of the sky is dominated by the high density of bright stars in our galaxy, and by the dust in the plane of our Solar System, which both disturb the cosmology observations.<be> Click here for an animated version of this image. |
Date | 8 June 2023 (upload date) |
Source | How Euclid scans the sky |
Author | European Space Agency |
Activity InfoField | Space Science |
Mission InfoField | Euclid |
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[edit]This media was created by the European Space Agency (ESA).
Where expressly so stated, images or videos are covered by the Creative Commons Attribution-ShareAlike 3.0 IGO (CC BY-SA 3.0 IGO) licence, ESA being an Intergovernmental Organisation (IGO), as defined by the CC BY-SA 3.0 IGO licence. The user is allowed under the terms and conditions of the CC BY-SA 3.0 IGO license to Reproduce, Distribute and Publicly Perform the ESA images and videos released under CC BY-SA 3.0 IGO licence and the Adaptations thereof, without further explicit permission being necessary, for as long as the user complies with the conditions and restrictions set forth in the CC BY-SA 3.0 IGO licence, these including that:
See the ESA Creative Commons copyright notice for complete information, and this article for additional details.
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This file is licensed under the Creative Commons Attribution-ShareAlike 3.0 IGO license. Attribution: ESA. Acknowledgement: Work performed by ATG under contract for ESA., CC BY-SA IGO 3.0
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current | 06:01, 12 June 2023 | 1,920 × 1,080 (1.41 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2023/06/how_euclid_scans_the_sky/24913455-1-eng-GB/How_Euclid_scans_the_sky.jpg via Commons:Spacemedia |
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Orientation | Normal |
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Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop 24.4 (Windows) |
File change date and time | 16:12, 23 May 2023 |
Color space | Uncalibrated |
Date and time of digitizing | 15:38, 23 May 2023 |
Date metadata was last modified | 18:12, 23 May 2023 |
Unique ID of original document | xmp.did:47381812-432d-cf4d-9a6d-336eea35b8be |