Screenshot 2022-07-11 134158

transmission spectrum of WASP-96b. The y-axis shows planet-to-star radius ratio as well as pressure scale height, and the x-axis shows wavelength from 0..3 to 0.9 microns. Circles with large error bars mark the data points, and a few different lines in the background show different model atmospheres. A clear peak in the spectrum is visible near 0.59 microns, marked as a sodium line. We see no peak at the lithium 0.67 micron line. Models show a peak at the potassium 0.77 micron line, but the data does not show any obvious strong peak here.


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