Merge pull request #96 from LSSTDESC/debug-auxtel

refine the prior on DCCD for auxtel
LSSTDESC · Apr 7, 2022 · 98909f1 · 98909f1
2 parents 33dceb9 + 19e911b
commit 98909f1
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diff --git a/config/auxtel.ini b/config/auxtel.ini
@@ -59,9 +59,9 @@ CCD_REBIN = 2
 
 [spectrograph]
 # distance between hologram and CCD in mm
-DISTANCE2CCD = 175
+DISTANCE2CCD = 181
 # uncertainty on distance between hologram and CCD in mm
-DISTANCE2CCD_ERR = 0.75
+DISTANCE2CCD_ERR = 0.4
 # default value for order 2 over order 1 transmission ratio
 GRATING_ORDER_2OVER1 = 0.1
 

diff --git a/spectractor/extractor/images.py b/spectractor/extractor/images.py
@@ -723,7 +723,7 @@ def load_AUXTEL_image(image):  # pragma: no cover
         image.target_guess = [parameters.CCD_IMSIZE - float(image.header["OBJECTY"]),
                               parameters.CCD_IMSIZE - float(image.header["OBJECTX"])]
     image.disperser_label = image.header["GRATING"]
-    parameters.DISTANCE2CCD = 115 + float(image.header["LINSPOS"])  # mm
+    parameters.DISTANCE2CCD = 113 + float(image.header["LINSPOS"])  # mm
     image.compute_parallactic_angle()