Change "creep-away" definition from 5deg to 3deg

ruff-base.toml

@@ -41,6 +41,8 @@ lint.ignore = [
   "B028", # No explicit `stacklevel` keyword argument found
   "PLR0913", # Too many arguments to function call
   "PLR1730", # Checks for if statements that can be replaced with min() or max() calls
+  "PLC0415", # `import` should be at the top-level of a file
+  "PLW1641", # Class implements `__hash__` if `__eq__` is implemented
 ]
 
 extend-exclude = [

starcheck/src/lib/Ska/Starcheck/Obsid.pm

@@ -729,7 +729,10 @@ sub check_dither {
     # and such observations could end in larger roll errors.  Check added in PR #452.
     # Operationally, we also do not expect to use, for example, 4x4 dither, so this
     # adds a CAUTION for unexpected small dither patterns.
-    my $creep_away = ($man_angle_next_data->{"angle"} < 5.0);
+
+    # Round the angle_next to 1 decimal place
+    my $angle_next = sprintf("%.1f", $man_angle_next_data->{"angle"});
+    my $creep_away = ($angle_next < 3.0);
     my $no_dither = (($guide_dither->{state} eq 'DISA')
             or (($guide_dither->{ampl_y_int} == 0) and ($guide_dither->{ampl_p_int}== 0)));
     my $small_dither = (($guide_dither->{ampl_y_int} < 8) and ($guide_dither->{ampl_p_int} < 8)

starcheck/state_checks.py

@@ -29,7 +29,7 @@ def make_man_table():
     # Use a range of angles that sample the curve pretty well by eye
     # The duration function is a little slow and not vectorized, so
     # this is sparse.
-    angles = [0, 5, 10, 15, 20, 25, 35, 50, 100, 150, 180]
+    angles = [0, 3, 5, 10, 15, 20, 25, 35, 50, 100, 150, 180]
     for angle in angles:
         q1 = Quat(equatorial=(angle, 0, 0))
         durations.append(duration(q0, q1))
@@ -171,8 +171,9 @@ def get_obs_man_angle(npnt_tstart, backstop_file):
     if np.abs(CxoTime(npnt_tstart).secs - prev_state["tstop"]) > 600:
         warn = f"Maneuver angle err - no manvr ends within 600s of {CxoTime(npnt_tstart).date}\n"
         return {"angle": 180, "warn": warn}
-    dur = prev_state["tstop"] - prev_state["tstart"]
-    angle = calc_man_angle_for_duration(dur)
+    nmm_dur = prev_state["tstop"] - prev_state["tstart"]
+    manvr_dur = nmm_dur - 10.25  # subtract standard time between AONMMODE and AOMANUVR
+    angle = calc_man_angle_for_duration(manvr_dur)
     return {"angle": angle}
 
 
@@ -188,6 +189,7 @@ def get_obs_man_angle_next(npnt_tstart, backstop_file):
     if next_state is None:
         warn = f"No NMAN state after {CxoTime(npnt_tstart).date}\n"
         return {"angle": 180, "warn": warn}
-    dur = next_state["tstop"] - next_state["tstart"]
-    angle = calc_man_angle_for_duration(dur)
+    nmm_dur = next_state["tstop"] - next_state["tstart"]
+    manvr_dur = nmm_dur - 10.25  # subtract standard time between AONMMODE and AOMANUVR
+    angle = calc_man_angle_for_duration(manvr_dur)
     return {"angle": angle}