WebbKernel

class jwst.extract_1d.soss_extract.atoca_utils.WebbKernel(wave_kernels, kernels, wave_trace, n_pix)

Bases: object

The JWST kernel.

Parameters:

wave_kernelsndarray

Wavelength array for the kernel. Must have same shape as kernels.

kernelsndarray

Kernel for throughput array. Dimensions are (wavelength, oversampled pixels). Center (approx. max throughput) of the kernel is at the center of the 2nd axis.

wave_tracendarray

1-D trace of the detector central wavelengths for the given order. Since kernels are originally defined in the pixel space, this is used to convert to wavelength space.

n_pixint

Number of detector pixels spanned by the kernel. Second axis of kernels has shape (n_os * n_pix) - (n_os - 1), where n_os is the spectral oversampling factor.

Methods Summary

__call__(wave, wave_c)

Return the kernel value, given the wavelength and the kernel central wavelength.

Methods Documentation

__call__(wave, wave_c)

Return the kernel value, given the wavelength and the kernel central wavelength.

Wavelengths that are out of bounds will be extrapolated.

Parameters:

wavendarray

Wavelength where the kernel is projected.

wave_cndarray

Central wavelength of the kernel.

Returns:

outndarray

The kernel value.