JP-3745: Fixed SUBSTRIP96 flux drop (#8983)

spacetelescope · Dec 13, 2024 · 67dee7c · 67dee7c
2 parents 2e6ebc9 + f422e50
commit 67dee7c
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diff --git a/changes/8983.extract_1d.rst b/changes/8983.extract_1d.rst
@@ -0,0 +1 @@
+Set order 2 weights to 1.0 for NIRISS SOSS SUBSTRIP96 data to avoid a spurious flux drop in spectra around 1.5um.
diff --git a/jwst/extract_1d/soss_extract/soss_extract.py b/jwst/extract_1d/soss_extract/soss_extract.py
@@ -1095,6 +1095,8 @@ def run_extract1d(input_model, pastasoss_ref_name,
         # Pre-compute the weights for box extraction (used in modeling and extraction)
         args = (ref_files, scidata_bkg.shape)
         box_weights, wavelengths = compute_box_weights(*args, width=soss_kwargs['width'])
+        if subarray == 'SUBSTRIP96':
+            box_weights['Order 2'] = np.ones((96, 2048))
 
         # Model the traces based on optics filter configuration (CLEAR or F277W)
         if soss_filter == 'CLEAR' and generate_model:
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Set order 2 weights to 1.0 for NIRISS SOSS SUBSTRIP96 data to avoid a spurious flux drop in spectra around 1.5um.