quatrope / ProperImage

Proper Image utils for astronomy.
BSD 3-Clause "New" or "Revised" License
26 stars 6 forks source link

Zeropoint and beta #76

Open BrunoSanchez opened 2 years ago

BrunoSanchez commented 2 years ago

Work on fixing the real zeropoint and beta parameters of distribution.

We need a non-linear solver (two implementations in place) for beta, but then fix relative zeropoint scales. We need if not, an absolute zeropoint calibration between images prior to subtraction.

BrunoSanchez commented 2 years ago

For this it might be useful to improve the cost functions. Cost functions could leverage source fluxes, by using an aperture or ellipse photometry measurement at each iteration.

BrunoSanchez commented 2 years ago

Additional work could be done with the final flux zeropoint normalization and photometry in Scorr.