Configuration fields
aperCorrFitNBins
- Default
10
- Field type
int
Field
Number of aperture bins used in aperture correction fit. When set to 0no fit will be performed, and the config.aperCorrInputSlopes will be used if available.
applyRefStarColorCuts
- Default
True
- Field type
bool
Field
Apply color cuts to reference stars?
approxThroughput
- Default
(1.0,)
- Field type
float
ListField
(optional)
Approximate overall throughput at start of calibration observations. May be 1 element (same for all bands) or the same length as config.bands. Deprecated: This field is no longer used, and has been deprecated by DM-23699. It will be removed after v20. Use approxThroughputDict instead.
approxThroughputDict
- Default
{}
- Field type
DictField
- Key type
str
- Value type
float
Per-band specification of the approximate overall throughput at the start of calibration observations. Must have one entry per band. Typically should be 1.0.
autoHighCutNSig
- Default
4.0
- Field type
float
Field
Number of sigma for automatic computation of (high) outlier cut. Cut is based on exposure gray width (per band), unless useRepeatabilityForExpGrayCuts is set, in which case the star repeatability is used (also per band).
autoPhotometricCutNSig
- Default
3.0
- Field type
float
Field
Number of sigma for automatic computation of (low) photometric cut. Cut is based on exposure gray width (per band), unless useRepeatabilityForExpGrayCuts is set, in which case the star repeatability is used (also per band).
bands
- Default
[]
- Field type
str
ListField
Bands to run calibration
brightObsGrayMax
- Default
0.15
- Field type
float
Field
Maximum gray extinction to be considered bright observation
ccdGrayFocalPlaneChebyshevOrder
- Default
3
- Field type
int
Field
Order of the 2D chebyshev polynomials for focal plane fit.
ccdGrayFocalPlaneDict
- Default
{}
- Field type
DictField
- Key type
str
- Value type
bool
Per-band specification on whether to compute focal-plane residual (‘ccd gray’) corrections.
ccdGrayFocalPlaneFitMinCcd
- Default
1
- Field type
int
Field
Minimum number of ‘good’ CCDs required to perform focal-plane gray corrections. If there are fewer good CCDs then the gray correction is computed per-ccd.
ccdGrayMaxStarErr
- Default
0.1
- Field type
float
Field
Maximum error on a star observation to use in ccd gray (achromatic residual) computation
ccdGraySubCcd
- Default
False
- Field type
bool
Field
(optional)
Compute CCD gray terms on sub-ccd scale Deprecated: This field is no longer used, and has been deprecated by DM-23699. It will be removed after v20. Use ccdGraySubCcdDict instead.
ccdGraySubCcdChebyshevOrder
- Default
1
- Field type
int
Field
Order of the 2D chebyshev polynomials for sub-ccd gray fit.
ccdGraySubCcdDict
- Default
{}
- Field type
DictField
- Key type
str
- Value type
bool
Per-band specification on whether to compute achromatic per-ccd residual (‘ccd gray’) on a sub-ccd scale.
ccdGraySubCcdTriangular
- Default
True
- Field type
bool
Field
Should the sub-ccd gray chebyshev matrix be triangular to suppress high-order cross terms?
coatingMjds
- Default
(0.0,)
- Field type
float
ListField
Mirror coating dates in MJD
colorSplitBands
- Default
('g', 'i')
- Field type
str
ListField
- Required length
- 2
Band names to use to split stars by color. Must have 2 entries.
colorSplitIndices
- Default
None
- Field type
int
ListField
(optional)
Band indices to use to split stars by color Deprecated: This field is no longer used, and has been deprecated by DM-23699. It will be removed after v20. Use colorSplitBands instead.
connections
- Data type
lsst.pipe.base.config.Connections
- Field type
ConfigField
Configurations describing the connections of the PipelineTask to datatypes
cycleNumber
- Default
None
- Field type
int
Field
FGCM fit cycle number. This is automatically incremented after each run and stage of outlier rejection. See cookbook for details.
deltaMagBkgOffsetPercentile
- Default
0.25
- Field type
float
Field
Percentile brightest stars on a visit/ccd to use to compute net offset from local background subtraction.
deltaMagBkgPerCcd
- Default
False
- Field type
bool
Field
Compute net offset from local background subtraction per-ccd? Otherwise, use computation per visit.
doReferenceCalibration
- Default
True
- Field type
bool
Field
Use reference catalog as additional constraint on calibration
epochMjds
- Default
(0.0,)
- Field type
float
ListField
Epoch boundaries in MJD
expGrayErrRecoverCut
- Default
0.05
- Field type
float
Field
Maximum exposure gray error to be able to recover bad ccds via interpolation. Visits with more gray variance will only get CCD zeropoints if there are sufficient star observations (minStarPerCcd) on that CCD.
expGrayHighCut
- Default
(0.0,)
- Field type
float
ListField
(optional)
Maximum (positive) exposure gray for a visit to be considered photometric. Must be same length as config.bands, and matched band-by-band. Deprecated: This field is no longer used, and has been deprecated by DM-23699. It will be removed after v20. Use expGrayHighCutDict instead.
expGrayHighCutDict
- Default
{}
- Field type
DictField
- Key type
str
- Value type
float
Per-band specification on maximum (positive) achromatic exposure residual (‘gray term’) for a visit to be considered photometric. Must have one entry per band. Broad-band filters should be 0.2.
expGrayInitialCut
- Default
-0.25
- Field type
float
Field
Maximum exposure/visit gray value for initial selection of possible photometric observations.
expGrayPhotometricCut
- Default
(0.0,)
- Field type
float
ListField
(optional)
Maximum (negative) exposure gray for a visit to be considered photometric. Must be same length as config.bands, and matched band-by-band. Deprecated: This field is no longer used, and has been deprecated by DM-23699. It will be removed after v20. Use expGrayPhotometricCutDict instead.
expGrayPhotometricCutDict
- Default
{}
- Field type
DictField
- Key type
str
- Value type
float
Per-band specification on maximum (negative) achromatic exposure residual (‘gray term’) for a visit to be considered photometric. Must have one entry per band. Broad-band filters should be -0.05.
expGrayRecoverCut
- Default
-1.0
- Field type
float
Field
Maximum (negative) exposure gray to be able to recover bad ccds via interpolation. Visits with more gray extinction will only get CCD zeropoints if there are sufficient star observations (minStarPerCcd) on that CCD.
expVarGrayPhotometricCut
- Default
0.0005
- Field type
float
Field
(optional)
Maximum exposure variance to be considered possibly photometric Deprecated: This field is no longer used, and has been deprecated by DM-23699. It will be removed after v20. Use expVarGrayPhotometricCutDict instead.
expVarGrayPhotometricCutDict
- Default
{}
- Field type
DictField
- Key type
str
- Value type
float
Per-band specification on maximum exposure variance to be considered possibly photometric. Must have one entry per band. Broad-band filters should be 0.0005.
filterMap
- Default
{}
- Field type
DictField
- Key type
str
- Value type
str
Mapping from ‘filterName’ to band.
fitBands
- Default
[]
- Field type
str
ListField
Bands to use in atmospheric fit. The bands not listed here will have the atmosphere constrained from the ‘fitBands’ on the same night. Must be a subset of config.bands
fitFlag
- Default
(0,)
- Field type
int
ListField
(optional)
Flag for which bands are directly constrained in the FGCM fit. Bands set to 0 will have the atmosphere constrained from observations in other bands on the same night. Must be same length as config.bands, and matched band-by-band. Deprecated: This field is no longer used, and has been deprecated by DM-23699. It will be removed after v20. Use fitBands instead.
fitMirrorChromaticity
- Default
False
- Field type
bool
Field
Fit (intraband) mirror chromatic term?
focalPlaneSigmaClip
- Default
4.0
- Field type
float
Field
Number of sigma to clip outliers per focal-plane.
freezeStdAtmosphere
- Default
False
- Field type
bool
Field
Freeze atmosphere parameters to standard (for testing)
instrumentParsPerBand
- Default
False
- Field type
bool
Field
Model instrumental parameters per band? Otherwise, instrumental parameters (QE changes with time) are shared among all bands.
instrumentSlopeMinDeltaT
- Default
20.0
- Field type
float
Field
Minimum time change (in days) between observations to use in constraining instrument slope.
isFinalCycle
- Default
False
- Field type
bool
Field
Is this the final cycle of the fitting? Will automatically compute final selection of stars and photometric exposures, and will output zeropoints and standard stars for use in fgcmOutputProducts
latitude
- Default
None
- Field type
float
Field
Observatory latitude
mapLongitudeRef
- Default
0.0
- Field type
float
Field
Reference longitude for plotting maps
mapNSide
- Default
256
- Field type
int
Field
Healpix nside for plotting maps
maxCcdGrayErr
- Default
0.05
- Field type
float
Field
Maximum error on CCD gray offset to be considered photometric
maxIterBeforeFinalCycle
- Default
50
- Field type
int
Field
Maximum fit iterations, prior to final cycle. The number of iterations will always be 0 in the final cycle for cleanup and final selection.
minCcdPerExp
- Default
5
- Field type
int
Field
Minimum number of good CCDs per exposure/visit to be used in calibration fit. Visits with fewer good CCDs will have CCD zeropoints estimated where possible.
minExpPerNight
- Default
10
- Field type
int
Field
Minimum number of good exposures/visits to consider a partly photometric night
minObsPerBand
- Default
2
- Field type
int
Field
Minimum good observations per band
minStarPerCcd
- Default
5
- Field type
int
Field
Minimum number of good stars per CCD to be used in calibration fit. CCDs with fewer stars will have their calibration estimated from other CCDs in the same visit, with zeropoint error increased accordingly.
minStarPerExp
- Default
600
- Field type
int
Field
Minimum number of good stars per exposure/visit to be used in calibration fit. Visits with fewer good stars will have CCD zeropoints estimated where possible.
modelMagErrors
- Default
True
- Field type
bool
Field
Should FGCM model the magnitude errors from sky/fwhm? (False means trust inputs)
nCore
- Default
4
- Field type
int
Field
Number of cores to use
nExpPerRun
- Default
1000
- Field type
int
Field
Number of exposures to run in each chunk
nStarPerRun
- Default
200000
- Field type
int
Field
Number of stars to run in each chunk
outfileBase
- Default
None
- Field type
str
Field
Filename start for plot output files
outputStandardsBeforeFinalCycle
- Default
False
- Field type
bool
Field
Output standard stars prior to final cycle? Used in debugging.
outputZeropointsBeforeFinalCycle
- Default
False
- Field type
bool
Field
Output standard stars prior to final cycle? Used in debugging.
precomputeSuperStarInitialCycle
- Default
False
- Field type
bool
Field
Precompute superstar flat for initial cycle
quietMode
- Default
False
- Field type
bool
Field
Be less verbose with logging.
randomSeed
- Default
None
- Field type
int
Field
(optional)
Random seed for fgcm for consistency in tests.
refStarOutlierNSig
- Default
4.0
- Field type
float
Field
Number of sigma compared to average mag for reference star to be considered an outlier. Computed per-band, and if it is an outlier in any band it is rejected from fits.
refStarSnMin
- Default
50.0
- Field type
float
Field
Reference star signal-to-noise minimum to use in calibration. Set to <=0 for no cut.
requiredBands
- Default
[]
- Field type
str
ListField
Bands that are required for a star to be considered a calibration star. Must be a subset of config.bands
requiredFlag
- Default
(0,)
- Field type
int
ListField
(optional)
Flag for which bands are required for a star to be considered a calibration star in the FGCM fit. Typically this should be the same as fitFlag. Must be same length as config.bands, and matched band-by-band. Deprecated: This field is no longer used, and has been deprecated by DM-23699. It will be removed after v20. Use requiredBands instead.
reserveFraction
- Default
0.1
- Field type
float
Field
Fraction of stars to reserve for testing
sedFudgeFactors
- Default
(0,)
- Field type
float
ListField
(optional)
Fudge factors for computing linear SED from colors. Must be same length as config.bands, and matched band-by-band. Deprecated: This field has been deprecated and will be removed after v20. Please use sedSlopeTermMap and sedSlopeMap.
sigFgcmMaxEGray
- Default
(0.05,)
- Field type
float
ListField
(optional)
Maximum (absolute) gray value for observation in sigma_FGCM. May be 1 element (same for all bands) or the same length as config.bands. Deprecated: This field is no longer used, and has been deprecated by DM-23699. It will be removed after v20. Use sigFgcmMaxEGrayDict instead.
sigFgcmMaxEGrayDict
- Default
{}
- Field type
DictField
- Key type
str
- Value type
float
Per-band specification for maximum (absolute) achromatic residual (gray value) for observations in sigma_fgcm (raw repeatability). Broad-band filters should be 0.05.
sigFgcmMaxErr
- Default
0.01
- Field type
float
Field
Maximum mag error for fitting sigma_FGCM
sigma0Phot
- Default
0.003
- Field type
float
Field
Systematic error floor for all zeropoints
sigmaCalFitPercentile
- Default
(0.05, 0.15)
- Field type
float
ListField
Magnitude percentile range to fit systematic error floor
sigmaCalPlotPercentile
- Default
(0.05, 0.95)
- Field type
float
ListField
Magnitude percentile range to plot systematic error floor
sigmaCalRange
- Default
(0.001, 0.003)
- Field type
float
ListField
Allowed range for systematic error floor estimation
starColorCuts
- Default
('NO_DATA',)
- Field type
str
ListField
Encoded star-color cuts (to be cleaned up)
superStarSigmaClip
- Default
5.0
- Field type
float
Field
Number of sigma to clip outliers when selecting for superstar flats
superStarSubCcd
- Default
True
- Field type
bool
Field
(optional)
Compute superstar flat on sub-ccd scale Deprecated: This field is no longer used, and has been deprecated by DM-23699. It will be removed after v20. Use superStarSubCcdDict instead.
superStarSubCcdChebyshevOrder
- Default
1
- Field type
int
Field
Order of the 2D chebyshev polynomials for sub-ccd superstar fit. Global default is first-order polynomials, and should be overridden on a camera-by-camera basis depending on the ISR.
superStarSubCcdDict
- Default
{}
- Field type
DictField
- Key type
str
- Value type
bool
Per-band specification on whether to compute superstar flat on sub-ccd scale. Must have one entry per band.
superStarSubCcdTriangular
- Default
False
- Field type
bool
Field
Should the sub-ccd superstar chebyshev matrix be triangular to suppress high-order cross terms?
useQuadraticPwv
- Default
False
- Field type
bool
Field
Model PWV with a quadratic term for variation through the night?
useRepeatabilityForExpGrayCuts
- Default
(False,)
- Field type
bool
ListField
(optional)
Use star repeatability (instead of exposures) for computing photometric cuts? Recommended for tract mode or bands with few exposures. May be 1 element (same for all bands) or the same length as config.bands. Deprecated: This field is no longer used, and has been deprecated by DM-23699. It will be removed after v20. Use useRepeatabilityForExpGrayCutsDict instead.
useRepeatabilityForExpGrayCutsDict
- Default
{}
- Field type
DictField
- Key type
str
- Value type
bool
Per-band specification on whether to use star repeatability (instead of exposures) for computing photometric cuts. Recommended for tract mode or bands with few visits.
utBoundary
- Default
None
- Field type
float
Field
Boundary (in UTC) from day-to-day