style: rename zenith_coord to phase_center_coord

rasg-affiliates · Jan 8, 2025 · 3a84ca8 · 3a84ca8
1 parent a97dbfa
commit 3a84ca8
Showing 1 changed file with 9 additions and 9 deletions.
diff --git a/src/py21cmsense/_utils.py b/src/py21cmsense/_utils.py
@@ -81,34 +81,34 @@ def phase_past_zenith(
     jd = 2454600
     tm = Time(jd, format="jd")
 
-    zenith_coord = SkyCoord(
+    phase_center_coord = SkyCoord(
         alt=90 * un.deg,
         az=0 * un.deg,
         obstime=tm,
         frame="altaz",
         location=telescope_location,
     )
-    zenith_coord = zenith_coord.transform_to("icrs")
+    phase_center_coord = phase_center_coord.transform_to("icrs")
 
     if phase_center_dec is not None:
-        zenith_coord = SkyCoord(
-            ra=zenith_coord.ra,
+        phase_center_coord = SkyCoord(
+            ra=phase_center_coord.ra,
             dec=phase_center_dec,
             obstime=tm,
             frame="icrs",
             location=telescope_location,
         )
 
-    obstimes = zenith_coord.obstime + time_past_zenith
+    obstimes = phase_center_coord.obstime + time_past_zenith
     lsts = obstimes.sidereal_time("apparent", longitude=0.0).rad
 
     if not hasattr(lsts, "__len__"):
         lsts = np.array([lsts])
 
     if use_apparent:
         app_ra, app_dec = uvutils.phasing.calc_app_coords(
-            lon_coord=zenith_coord.ra.to_value("rad"),
-            lat_coord=zenith_coord.dec.to_value("rad"),
+            lon_coord=phase_center_coord.ra.to_value("rad"),
+            lat_coord=phase_center_coord.dec.to_value("rad"),
             time_array=obstimes.utc.jd,
             telescope_loc=telescope_location,
         )
@@ -117,8 +117,8 @@ def phase_past_zenith(
         app_dec = np.tile(app_dec, len(bls_enu))
 
     else:
-        app_ra = zenith_coord.ra.to_value("rad") * np.ones(len(bls_enu) * len(lsts))
-        app_dec = zenith_coord.dec.to_value("rad") * np.ones(len(bls_enu) * len(lsts))
+        app_ra = phase_center_coord.ra.to_value("rad") * np.ones(len(bls_enu) * len(lsts))
+        app_dec = phase_center_coord.dec.to_value("rad") * np.ones(len(bls_enu) * len(lsts))
 
     # Now make everything nbls * ntimes big.
     _lsts = np.tile(lsts, len(bls_enu))