changhoonhahn / SpenderQ

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Wavelength dependent residual #1

Open changhoonhahn opened 1 month ago

changhoonhahn commented 1 month ago

Currently 'SpenderQ' reconstructions have a slight wavelength dependent residual over the LyA and LyB ranges. I suspect this is due to the fact that the signal-to-noise is wavelength dependent, and thus the absorption masking is also wavelength dependent.

image

Perhaps the rebinning in the absorption masking procedure can absorb some of the wavelength dependence?

changhoonhahn commented 1 month ago

Hm, weirdly in the residual plot (not fractional residual) there is not much of a wavelength dependence: image

Seems part of the wavelength dependence is coming from the fact that the overall true continua of quasars have a slight wavelength dependence: image