IBIS color terms & ranges to use for v3 zpts

legacysurvey · Jun 2, 2024 · 141234b · 141234b
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commit 141234b
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Showing 3 changed files with 10 additions and 2 deletions.
diff --git a/py/legacypipe/decam.py b/py/legacypipe/decam.py
@@ -103,6 +103,8 @@ def get_ps1_calibrator_color_range(self):
         # g-i color range to keep
         if self.band == 'N419':
             return 0.4, 1.5
+        if self.band in ['M411', 'M464']:
+            return 0.2, 2.7
         return super().get_ps1_calibrator_color_range()
 
     def colorterm_sdss_to_observed(self, sdssstars, band):

diff --git a/py/legacypipe/ps1cat.py b/py/legacypipe/ps1cat.py
@@ -219,8 +219,11 @@ def ps1_to_decam(psmags, band):
         # CFHT
         CaHK = [0., 2.3],
         # IBIS -- from Arjun 2024-05-30
-        M411 = [0, 0.1164,  1.1036, -0.5814,  0.0817],
-        M464 = [0, 0.6712, -0.9042,  0.4621, -0.0737],
+        #M411 = [0, 0.1164,  1.1036, -0.5814,  0.0817],
+        #M464 = [0, 0.6712, -0.9042,  0.4621, -0.0737],
+        # 2024-06-02
+        M411 = [0., -0.1761, 1.5862,-0.8962, 0.1526],
+        M464 = [0.,  0.3244,-0.5258, 0.3082,-0.0524],
     )[band]
 
     # Most are with respect to g-i, some are g-r...

diff --git a/py/legacypipe/survey.py b/py/legacypipe/survey.py
@@ -526,6 +526,9 @@ def sdss_rgb(imgs, bands, scales=None, m=0.03, Q=20, mnmx=None, clip=True):
                    N673 = (1, 3.4 * rgb_stretch_factor),
                    # Merian
                    N540 = (2, 6.0 * rgb_stretch_factor),
+                   # IBIS
+                   M411 = (2, 6.0 * rgb_stretch_factor),
+                   M464 = (2, 6.0 * rgb_stretch_factor),
                    # HSC
                    r2 =    (1, 3.4 * rgb_stretch_factor),
                    i2 =    (0, 3.0 * rgb_stretch_factor),