File:Exoplanet GJ 486 b (Transmission Spectrum) (2023-120).jpg
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Summary
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English: This graphic shows the transmission spectrum obtained by Webb observations of rocky exoplanet GJ 486 b. The science team’s analysis shows hints of water vapor; however, computer models show that the signal could be from a water-rich planetary atmosphere (indicated by the blue line) or from starspots from the red dwarf host star (indicated by the yellow line). The two models diverge noticeably at shorter infrared wavelengths, indicating that additional observations with other Webb instruments will be needed to constrain the source of the water signal.
The background illustration of a planet is an artist concept. Webb has not taken an image of the planet. |
| Date | 1 May 2023 (upload date) |
| Source | Exoplanet GJ 486 b (Transmission Spectrum) |
| Author | ILLUSTRATION: NASA, ESA, CSA, Joseph Olmsted (STScI) SCIENCE: Sarah E. Moran (University of Arizona), Kevin B. Stevenson (APL), Ryan MacDonald (University of Michigan), Jacob A. Lustig-Yaeger (APL) |
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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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