require specutils >= 1.16.0 (#3184)

* require specutils >= 1.16.0

* specutils 1.16.0

CHANGES.rst

@@ -157,6 +157,9 @@ Specviz2d
 Other Changes and Additions
 ---------------------------
 
+- Bump required specutils version to 1.16. Moment 0 calculation is now in units
+  of flux*dx (rather than flux) [#3184]
+
 3.11 (unreleased)
 =================
 

jdaviz/configs/cubeviz/plugins/moment_maps/tests/test_moment_maps.py

@@ -11,8 +11,6 @@
 from glue.core.roi import XRangeROI
 from numpy.testing import assert_allclose
 
-from jdaviz.configs.cubeviz.plugins.moment_maps.moment_maps import SPECUTILS_LT_1_15_1
-
 
 def test_user_api(cubeviz_helper, spectrum1d_cube):
     with warnings.catch_warnings():
@@ -51,12 +49,9 @@ def test_user_api(cubeviz_helper, spectrum1d_cube):
 
 
 def test_moment_calculation(cubeviz_helper, spectrum1d_cube, tmp_path):
-    if SPECUTILS_LT_1_15_1:
-        moment_unit = "Jy"
-        moment_value_str = "+8.00000e+00"
-    else:
-        moment_unit = "Jy m"
-        moment_value_str = "+6.40166e-10"
+
+    moment_unit = "Jy m"
+    moment_value_str = "+6.40166e-10"
 
     dc = cubeviz_helper.app.data_collection
     with warnings.catch_warnings():
@@ -295,11 +290,9 @@ def test_momentmap_nirspec_prism(cubeviz_helper, tmp_path):
                     (sky_cube.ra.deg, sky_cube.dec.deg))
 
 
-def test_correct_output_spectral_y_units(cubeviz_helper, spectrum1d_cube_custom_fluxunit):
-    if SPECUTILS_LT_1_15_1:
-        moment_unit = "Jy / sr"
-    else:
-        moment_unit = "Jy m / sr"
+def test_correct_output_flux_or_sb_units(cubeviz_helper, spectrum1d_cube_custom_fluxunit):
+
+    moment_unit = "Jy m / sr"
 
     # test that the output unit labels in the moment map plugin reflect any
     # changes made in the unit conversion plugin.

pyproject.toml

@@ -23,7 +23,7 @@ dependencies = [
     "ipywidgets>=8.0.6",
     "solara>=1.39.0",
     "pyyaml>=5.4.1",
-    "specutils>=1.15",
+    "specutils>=1.16",
     "specreduce>=1.4.1",
     "photutils>=1.4",
     "glue-astronomy>=0.10",