antaress.ANTARESS_corrections.ANTARESS_fringing module

antaress.ANTARESS_corrections.ANTARESS_fringing module#

corr_fring(inst, gen_dic, data_inst, plot_dic, data_dic)[source]#

Main fringing correction routine.

Determines and applies correction for near-infrared spectrograph fringes.

Parameters:

TBD

Returns:

TBD

FIT_fring_mod(param, x, args=None)[source]#

Fringing fit function

Calls corresponding model function for optimization

Parameters:

TBD

Returns:

TBD

fring_mod(param, x, args=None)[source]#

Fringing model function

Defined as the product of

  • nominal flux : should be close to 1 as we model the ratio between two overlapping orders

  • 4th order polynomial function, function of wavelength: model low-frequency variations, such as the blaze if not removed

  • amplifying sinusoidal perturbation, function of wavenumber : periodic in wavenumber, amplitude is a gaussian increasing with wavenumber

Parameters:

TBD

Returns:

TBD