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DM-27013: Change CalibrateTask refcat defaults to Gaia DR2 for astrometry and PS1 for photometry #215

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Apr 19, 2022
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DM-27013: Change CalibrateTask refcat defaults to Gaia DR2 for astrometry and PS1 for photometry #215

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19 changes: 1 addition & 18 deletions config/calibrate.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,27 +8,10 @@

obsConfigDir = os.path.join(os.path.dirname(__file__))

# Astrometry/Photometry
# This sets the reference catalog name for Gen2.
for refObjLoader in (config.astromRefObjLoader,
config.photoRefObjLoader,
):
refObjLoader.ref_dataset_name = "ps1_pv3_3pi_20170110"
# Note the u-band results may not be useful without a color term
refObjLoader.filterMap['u'] = 'g'
refObjLoader.filterMap['Y'] = 'y'
refObjLoader.filterMap['N419'] = 'g'
refObjLoader.filterMap['N540'] = 'g'
refObjLoader.filterMap['N708'] = 'i'
refObjLoader.filterMap['N964'] = 'z'

# This sets up the reference catalog for Gen3.
config.connections.astromRefCat = "ps1_pv3_3pi_20170110"
config.connections.photoRefCat = "ps1_pv3_3pi_20170110"
config.photoRefObjLoader.load(os.path.join(obsConfigDir, "filterMap.py"))

# Photometric calibration: use color terms
config.photoCal.applyColorTerms = True
config.photoCal.photoCatName = "ps1_pv3_3pi_20170110"
colors = config.photoCal.match.referenceSelection.colorLimits
# The following two color limits are adopted from obs_subaru for the HSC SSP survey
colors["g-r"] = ColorLimit(primary="g_flux", secondary="r_flux", minimum=0.0)
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19 changes: 12 additions & 7 deletions config/filterMap.py
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Original file line number Diff line number Diff line change
@@ -1,9 +1,14 @@
# Mapping of camera filter name: reference catalog filter name; each reference filter must exist in the refcat.
# Note that this does not perform any bandpass corrections: it is just a lookup.
for source, target in [
('N419', 'g'),
('N540', 'g'),
('N708', 'i'),
('N964', 'z'),
]:
config.filterMap[source] = target
# Note u-band photometry may not be useful without a color term.
config.filterMap = {'u': 'g',
'Y': 'y',
'N419': 'g',
'N540': 'g',
'N708': 'i',
'N964': 'z',
'N419': 'g',
'N540': 'g',
'N708': 'i',
'N964': 'z',
}