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: http://www.eso.org/~chummel/oyster/manual/node118.html
Дата изменения: Tue Apr 28 19:12:50 2015 Дата индексирования: Sun Apr 10 20:37:31 2016 Кодировка: Поисковые слова: stonehenge |
Linear limb darkening coefficients are taken from tables published by
Van Hamme (1993, AJ 106, 2096).
limb_stars Compute limb darkening fit coefficients for all stars.
limb_star(spectrum_char
,filter
_char
)
Function. Return linear limb darkening coefficient integrated over specified bandpass. Example: print, limb_star('G0I','V').
limb_filter(teff_real
,log(g)
_real
,filter
_char
)
Function. Return linear limb darkening coefficient integrated over specified bandpass. Example: print, limbfilter(5500, 0.5, 'R').limbband(teff
Function. Return linear limb darkening coefficient integrated over band pass with specified center and full width (in nm). Example: print, limbband(5000, 0.5, 700, 25).limbfactor(coeff
Function. Return factor to multiply the uniform disk diameter with in order to get a limb darkened diameter using the specified linear limb darkening coefficient. Based on the squared visibility matching at 0.3 and a formula derived by Hanbury Brown (1974, MNRAS 167, 475).