File:Warm Gas-Giant Exoplanet WASP-107 b Transmission Spectrum (NIRSpec) (2024-113).jpg

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Captions

Captions

This transmission spectrum, captured using Webb’s NIRSpec (Near-Infrared Spectrograph), shows the amounts of different wavelengths (colors) of near-infrared starlight blocked by the atmosphere of the gas-giant exoplanet WASP-107 b.

Summary

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Description
English: This transmission spectrum, captured using Webb’s NIRSpec (Near-Infrared Spectrograph), shows the amounts of different wavelengths (colors) of near-infrared starlight blocked by the atmosphere of the gas-giant exoplanet WASP-107 b.

The spectrum was made by observing the planet-star system for about 8.5 hours before, during, and after the transit as the planet moved across the face of the star. By comparing the brightness of light filtered through the planet’s atmosphere (transmitted light) to unfiltered starlight, it is possible to calculate the amount of each wavelength that is blocked by the atmosphere. Since each molecule absorbs a unique combination of wavelengths, the transmission spectrum can be used to constrain the abundance of various gases. This spectrum shows clear evidence for water (H2O), carbon dioxide (CO2), carbon monoxide (CO), methane (CH4), and sulfur dioxide (SO2) in the planet’s atmosphere, allowing researchers to estimate the interior temperature and mass of the core. NASA, ESA, CSA, Ralf Crawford (STScI)

David Sing (JHU), NIRSpec GTO Transiting Exoplanet Team
Date 20 May 2024 (upload date)
Source Warm Gas-Giant Exoplanet WASP-107 b Transmission Spectrum (NIRSpec)
Author Illustration NASA, ESA, CSA, Ralf Crawford (STScI) Science David Sing (JHU), NIRSpec GTO Transiting Exoplanet Team
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Keywords
InfoField
Planetary Atmospheres/Weather; Exoplanets

Licensing

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Public domain 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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