2024
DOI: 10.1093/mnras/stae2344
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A regularization technique to precisely infer limb darkening using transit measurements: can we estimate stellar surface magnetic fields?

Kuldeep Verma,
Pierre F L Maxted,
Anjali Singh
et al.

Abstract: The high-precision measurements of exoplanet transit light curves that are now available contain information about the planet properties, their orbital parameters, and stellar limb darkening (LD). Recent 3D magneto-hydrodynamical (MHD) simulations of stellar atmospheres have shown that LD depends on the photospheric magnetic field, and hence its precise determination can be used to estimate the field strength. Among existing LD laws, the uses of the simplest ones may lead to biased inferences, whereas the uses… Show more

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