Limb Darkening

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The limb darkening curves are provided for several filters (see Filters below). All files are available at:

There is one zip file per filter:

Filter set	Limb darkening curves (zip)
Bessel	Bessel_B, Bessel_U, Bessel_V, Bessel_R, Bessel_I
Johnson	Johnson_B, Johnson_U, Johnson_V, Johnson_R, Johnson_I
IR	z, J, H, K, L, M
Kepler	Kepler
MOA	MOARedFilter
SDSS	SDSS_u, SDSS_g, SDSS_r, SDSS_i, SDSS_z
Stroemgren	Stroemgren_B, Stroemgren_U, Stroemgren_V, Stroemgren_Y
HST	wfc_F435W, wfc_F475W, wfc_F502N, wfc_F550M, wfc_F555W, wfc_F606W, wfc_F625W, wfc_F658N, wfc_F660N, wfc_F775W, wfc_F814W, wfc_F850LP, wfc_F892N, wfc3_g141

In case you are interested in limb darkening curves for other filters, please send us a file containing the response curve.

A publication about limb darkening from PHOENIX spectra will be available later.

The spectra are stored in a 1D FITS image, where the only axis the angle mu, which is given in a FITS extension called “MU”.

The header keywords are essentially the same as for the high resolution spectra, as can be found here.

The response curves for the filters have been taken from the following websites:

In case you require different filters, please send us an email containing its response curve and we will add it to the list.