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DM-15093: yStrayLight: disable correction after 2018-01-01 #140

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Jul 19, 2018
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DM-15093: yStrayLight: disable correction after 2018-01-01 #140

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12 changes: 5 additions & 7 deletions python/lsst/obs/subaru/strayLight/yStrayLight.py
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@
__all__ = ["StrayLightTask"]

import os
import datetime

import numpy
from astropy.io import fits
Expand Down Expand Up @@ -83,13 +84,10 @@ def run(self, sensorRef, exposure):
if sensorRef.dataId["ccd"] in range(104, 112):
# No correction data: assume it's zero
return

# The LEDs that are causing the Y straylight have not been covered yet (on 2017-11-27),
# but they will be covered in the near future.
# Once the LEDs are covered, we will have to uncomment the following statement:
#
# if (ccdExposure is newer than a certain date):
# return
if exposure.getInfo().getVisitInfo().getDate().toPython() >= datetime.datetime(2018, 1, 1):
# LEDs causing the stray light have been covered up.
# We believe there is no remaining stray light.
return

header = sensorRef.get('raw_md')
if self.config.doRotatorAngleCorrection:
Expand Down