template_qso

pydl.pydlspec2d.spec1d.template_qso(metadata, newflux, newivar, verbose=False)

Run PCA or HMF on QSO spectra.

Historically, QSO templates were comptuted one at a time instead of all at once.

Parameters:

metadata : dict

Dictionary containing metadata about the spectra.

newflux : ndarray

Flux shifted onto common wavelength.

newivar : ndarray

Inverse variances of the fluxes.

verbose : bool, optional

If True, print lots of extra information.

Returns:

dict

A dictonary containing flux, eigenvalues, etc.