ZTF Photometric Calibration

Info about ZTF DQ.

TopicsLast Modified
The factors limiting ZTF photometric calibration. (Read me first).
Large scale systematics
Systematics in ZTF Photometry.
Photometric magnitude Bias.
Spatial Systematics
Residual Spatial Structure.
Residuals of the full FoV.
Sky and Camera ZP systematics.
Spatial colour dependence
General Colour dependence of Residuals
Individual field colour dependence of Residuals
PSF colour and spatial dependence of Residuals
Colour dependence across the FoV.
Colour coefficents and Reddening.
Spatial distribution of colour coefficients.
Camera colour coefficient systematics.
Variation in PS1 calibrator star colours.
Photometric Field Offsets
Photometric offsets between fields
Determining offsets for all ZTF fields
Uncertainty systematics
Trends in Photometric Uncertainties.
Frame level systematics
Photometric variation with Skylevel.
Systematic effects across the full FoV.
Corrections for g-band frame offsets.
Corrections for r-band frame offsets.
ZTF Ubercalibration Zubercal
Zubercal modelling of r-band ZPs.
Zubercal modelling of g-band ZPs.