star camera
French translation: caméra stellaire
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| 14:13 Apr 19, 2006 |
| English to French translations [PRO] Tech/Engineering - Astronomy & Space / Instruments | |||||||
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|  Selected response from: Peter Shortall United Kingdom | ||||||
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| 3 +1 | caméra stellaire |
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| 3 | caméra astronomique |
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Answers
46 mins confidence: 
peer agreement (net): +1
peer agreement (net): +1caméra stellaire Explanation: You may not be convinced by it, but I like it... there are only about 56,000 hits for "star camera" anyway so the 2,870 for this are not too discouraging, in my opinion. "Stardust" (a NASA spacecraft with a mission to collect samples of matter from comets) uses two star cameras: "4 février 2000 Avec le dernier logiciel qu'on lui a téléchargé, STARDUST semble enfin contrôler son attitude de manière satisfaisante à l'aide de sa *caméra stellaire* (par reconnaissance des étoiles)." "13 novembre 2000 Le vaisseau s'est à nouveau mis en mode de survie suite à la détection d'une perte d'orientation. Il semble que les *caméras stellaires* qui sont chargées de reconnaître l'attitude du vaisseau par rapport aux étoiles, posent à nouveau problème. Il est possible que les caméras aient été perturbées à cause d'une éruption solaire... Le vaisseau a été sorti du mode de survie avec succès mais la 4ème correction de trajectoire a dû être ajournée..." http://www.astrosurf.org/rceleste/expSTARDUST.html "On Monday [13 Nov 2000 - PS] , the STARDUST spacecraft was commanded to exit safe mode with the *star camera* A controlling the orientation. It has been working flawlessly. Additional fault and memory dumps were performed to ensure the entire spacecraft was free of proton events." http://stardust.jpl.nasa.gov/news/solarflare.html "Effectivement, des problèmes logiciels ont été reportés avec le système de contrôle d'attitude de la sonde Stardust. Les logiciels concernés doivent en particulier interpréter et traiter les images fournies par les *caméras stellaires*. Ces caméras prennent des photos du ciel étoilé, ce qui permet à la sonde de déterminer avec précision sa position et son orientation dans l'espace..." http://www.nirgal.net/mco_archives.html So it certainly appears to be in use... I'd go for it! -------------------------------------------------- Note added at 1 hr (2006-04-19 15:26:06 GMT) -------------------------------------------------- PS Is it the one developed at Ørsted DTU? "The American space administration NASA, launched the twin satellites GRACE (Gravity and Climate Experiment) from Plesetsk in Russia on 17 March. Each satellite contains a special edition of the *star camera* developed at Ørsted·DTU. The two star cameras are connected with an ultra precise radar link between the two satellites. The two star cameras ensure that the radar always points precisely at the phase centre of the radar receiver of the other spacecraft..." http://www.oersted.dtu.dk/upload/_oersted/about/officielle_d... |
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1 hr confidence:
caméra astronomique Explanation: http://www-dapnia.cea.fr/Sap/Actualites/MEGACAM/megacam0303c... |
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