barak.spec.pca_qso_cont¶

barak.spec.pca_qso_cont(nspec, seed=None, return_weights=False)[source]¶

Make qso continua using the PCA and weights from N. Suzuki et al. 2005 and N. Suzuki 2006.

Parameters :	nspec : int Number of spectra to create
Returns :	wavelength (shape N), array of spectra [shape (nspec, N)] : Memory use might be prohibitive for nspec > ~1e4. :