= Transit spectroscopy
= Exoplanet transmission spectroscopy
{synonym}
<Transit spectroscopy> infers the properties of an <exoplanet atmosphere> from the wavelength dependence of an <exoplanet transit>. Its measured product is an <exoplanet transmission spectrum>, while an <annulus model for transmission spectroscopy> connects the spectrum to atmospheric <optical depth>. The observing technique is described by https://science.nasa.gov/exoplanets/how-we-find-and-characterize/[NASA].
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