exotic_ld.ld_laws.quadratic_ld_law

exotic_ld.ld_laws.quadratic_ld_law(mu, u1, u2)[source]

Quadratic limb-darkening law.

\[\frac{I(\mu)}{I(\mu = 1)} = 1 - u_1 (1 - \mu) - u_2 (1 - \mu)^2,\]

where \(\mu = \sqrt{1 - r^2}\), and \(u_1\), \(u_2\) are the limb-darkening coefficients.