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GLOWS - Add VAR_NOTES for SPICE derived variables #2733

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Merged
sdhoyt merged 2 commits into from
Feb 19, 2026
Merged

GLOWS - Add VAR_NOTES for SPICE derived variables #2733

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7a158ef
added spice kernel var notes
sdhoyt Feb 19, 2026
e4b7405
fixed indent
sdhoyt Feb 19, 2026
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11 changes: 11 additions & 0 deletions imap_processing/cdf/config/imap_glows_l1b_variable_attrs.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,9 @@ default_attrs: &default_attrs
FILLVAL: *int_fillval
VALIDMIN: *min_epoch

derived_from_spice_kernels: &derived_from_spice_kernels
VAR_NOTES: Derived from SPICE Kernels

support_data_defaults: &support_data_defaults
<<: *default_attrs
DEPEND_0: epoch
Expand Down Expand Up @@ -370,6 +373,7 @@ pulse_length_std_dev:

position_angle_offset_average:
<<: *support_data_defaults
<<: *derived_from_spice_kernels
CATDESC: Spin-block-averaged position-angle offset
FIELDNAM: Average position-angle offset
FILLVAL: 1.0E+31
Expand All @@ -381,6 +385,7 @@ position_angle_offset_average:

position_angle_offset_std_dev:
<<: *support_data_defaults
<<: *derived_from_spice_kernels
CATDESC: Standard deviation of position-angle offset
FIELDNAM: Std dev of position-angle offset
FILLVAL: 1.0E+31
Expand All @@ -392,6 +397,7 @@ position_angle_offset_std_dev:

spin_axis_orientation_average: # this is a two-element variable, DEPEND needed?
<<: *support_data_defaults
<<: *derived_from_spice_kernels
CATDESC: Spin-block-averaged spin-axis pointing (ecliptic lon and lat)
FIELDNAM: Average spin-axis pointing
FILLVAL: 1.0E+31
Expand All @@ -403,6 +409,7 @@ spin_axis_orientation_average: # this is a two-element variable, DEPEND needed?

spin_axis_orientation_std_dev: # this is a two-element variable, DEPEND needed?
<<: *support_data_defaults
<<: *derived_from_spice_kernels
CATDESC: Standard deviation of spin axis pointing
FIELDNAM: Std dev of spin axis pointing
FILLVAL: 1.0E+31
Expand All @@ -414,6 +421,7 @@ spin_axis_orientation_std_dev: # this is a two-element variable, DEPEND needed?

spacecraft_location_average:
<<: *support_data_defaults
<<: *derived_from_spice_kernels
DEPEND_1: ecliptic
DISPLAY_TYPE: no_plot
CATDESC: Spin-block-averaged spacecraft location (ecliptic frame)
Expand All @@ -427,6 +435,7 @@ spacecraft_location_average:

spacecraft_location_std_dev:
<<: *support_data_defaults
<<: *derived_from_spice_kernels
DEPEND_1: ecliptic
DISPLAY_TYPE: no_plot
CATDESC: Standard deviation of spacecraft location
Expand All @@ -440,6 +449,7 @@ spacecraft_location_std_dev:

spacecraft_velocity_average:
<<: *support_data_defaults
<<: *derived_from_spice_kernels
DEPEND_1: ecliptic
DISPLAY_TYPE: no_plot
CATDESC: Spin-block-averaged spacecraft velocity (ecliptic frame)
Expand Down Expand Up @@ -552,6 +562,7 @@ spin_period:
# TODO: Review this
imap_spin_angle_bin_cntr:
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@sdhoyt sdhoyt Feb 19, 2026

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@maxinelasp The issue said the variables should be the same for L1B and L2, but this variable did not exist in L2. Is that expected?

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@maxinelasp maxinelasp Feb 19, 2026

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Yes, this variable is renamed/updated in L2 to "spin_angle" (see #2719 )

<<: *support_data_defaults
<<: *derived_from_spice_kernels
DISPLAY_TYPE: no_plot
DEPEND_1: bins
CATDESC: IMAP spin angle for bin centers
Expand Down
11 changes: 11 additions & 0 deletions imap_processing/cdf/config/imap_glows_l2_variable_attrs.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,9 @@ lightcurve_defaults: &lightcurve_defaults
VAR_TYPE: data
LABL_PTR_1: bins_label

derived_from_spice_kernels: &derived_from_spice_kernels
VAR_NOTES: Derived from SPICE Kernels

bins_dim:
<<: *default_attrs
VALIDMIN: 0
Expand Down Expand Up @@ -267,6 +270,7 @@ pulse_length_std_dev:

position_angle_offset_average:
<<: *support_data_defaults
<<: *derived_from_spice_kernels
CATDESC: Position angle offset averaged over observational day
FIELDNAM: Average position angle offset
FILLVAL: 1.0e+31
Expand All @@ -279,6 +283,7 @@ position_angle_offset_average:

position_angle_offset_std_dev:
<<: *support_data_defaults
<<: *derived_from_spice_kernels
CATDESC: Standard deviation of position angle offset
FIELDNAM: Std dev of position angle offset
FILLVAL: 1.0e+31
Expand All @@ -291,6 +296,7 @@ position_angle_offset_std_dev:

spin_axis_orientation_average:
<<: *support_data_defaults
<<: *derived_from_spice_kernels
CATDESC: Spin axis pointing averaged over observational day (ecliptic lon and lat)
FIELDNAM: Average spin axis pointing
FILLVAL: 1.0e+31
Expand All @@ -303,6 +309,7 @@ spin_axis_orientation_average:

spin_axis_orientation_std_dev:
<<: *support_data_defaults
<<: *derived_from_spice_kernels
CATDESC: Standard deviation of spin axis pointing
FIELDNAM: Std dev of spin axis pointing
FILLVAL: 1.0e+31
Expand All @@ -315,6 +322,7 @@ spin_axis_orientation_std_dev:

spacecraft_location_average:
<<: *support_data_defaults
<<: *derived_from_spice_kernels
DEPEND_1: ecliptic
DISPLAY_TYPE: no_plot
CATDESC: Spacecraft location averaged over observational day (ecliptic frame)
Expand All @@ -330,6 +338,7 @@ spacecraft_location_average:

spacecraft_location_std_dev:
<<: *support_data_defaults
<<: *derived_from_spice_kernels
DEPEND_1: ecliptic
DISPLAY_TYPE: no_plot
CATDESC: Standard deviation of spacecraft location
Expand All @@ -344,6 +353,7 @@ spacecraft_location_std_dev:

spacecraft_velocity_average:
<<: *support_data_defaults
<<: *derived_from_spice_kernels
DEPEND_1: ecliptic
DISPLAY_TYPE: no_plot
CATDESC: Spacecraft velocity averaged over observational day (ecliptic frame)
Expand All @@ -358,6 +368,7 @@ spacecraft_velocity_average:

spacecraft_velocity_std_dev:
<<: *support_data_defaults
<<: *derived_from_spice_kernels
DEPEND_1: ecliptic
DISPLAY_TYPE: no_plot
CATDESC: Standard deviation of spacecraft velocity
Expand Down