Fichier:Centaur 10199 Chariklo (NIRCam Occultation Light Curve) (01GQJ8KESB02G5QGRBZ64AFFAF).png
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Description
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English: Graphic showing the dimming effects of Chariklo’s rings on a background star.
Top: A diagram showing the change in position of a background star (Gaia DR3 6873519665992128512) relative to the double-ringed centaur Chariklo, during an occultation. An occultation occurs when a background object is temporarily blocked from view by a foreground object. During this occultation event, the star passed behind Chariklo’s rings, but not behind its main body. Bottom: A graph showing the change in apparent brightness of the star during the occultation event. This type of graph is known as a light curve. The graph shows the sharp dips in apparent brightness of the star over time as the rings of Chariklo (the largest-known Centaur) passed in front of it on October 18, 2022. Each dip on the graph corresponds to the shadows of two rings around Chariklo, which are ~4 miles (6-7 kilometers) and ~2 miles (2-4 kilometers) wide, and separated by a gap of 5.5 miles (9 kilometers). The two individual rings are not fully resolved in each dip of this light curve. The data show 1.5-micron light captured by Webb’s Near-Infrared Camera (NIRCam) using its F150W filter. Read the story. |
| Date | 25 janvier 2023 (date de téléversement) |
| Source | Centaur 10199 Chariklo (NIRCam Occultation Light Curve) |
| Auteur | IMAGE: NASA, ESA, CSA, Leah Hustak (STScI) SCIENCE: Pablo Santos-Sanz (IAA-CSIC), Nicolás Morales (IAA-CSIC), Bruno Morgado (UFRJ, ON/MCTI, LIneA) |
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Conditions d’utilisation
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This file is in the public domain because it was created by NASA, ESA and CSA. NASA Webb material is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA/CSA is credited as the source of the material. This license does not apply if source material from other organizations is in use. The material was created for NASA by Space Telescope Science Institute under Contract NAS5-03127. Copyright statement at webbtelescope.org. For material created by the European Space Agency on the esawebb.org site, use the {{ESA-Webb}} tag. |
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| Date et heure | Vignette | Dimensions | Utilisateur | Commentaire | |
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| actuel | 26 février 2023 à 01:41 | | 3 840 × 4 178 (10,4 Mio) | OptimusPrimeBot | #Spacemedia - Upload of https://stsci-opo.org/STScI-01GQJA4PXWYNNZGTYSEXZCR5CJ.png via Commons:Spacemedia |
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