Update transform code and fix change log

Author: samaloney

changelog/153.feat.rst changelog/153.feature.rst

@@ -9,7 +9,7 @@
 from sunpy.coordinates import HeliographicStonyhurst, Helioprojective
 
 from stixpy.coordinates.frames import STIXImaging
-from stixpy.coordinates.transforms import _get_aux_data, get_hpc_info
+from stixpy.coordinates.transforms import _get_ephemeris_data, get_hpc_info
 
 
 @pytest.mark.skip(reason="Test data maybe incorrect")
@@ -70,15 +70,15 @@ def test_stx_to_hpc_obstime_end():
 @pytest.mark.remote_data
 def test_get_aux_data():
     with pytest.raises(ValueError, match="No STIX pointing data found for time range"):
-        _get_aux_data(Time("2015-06-06"))  # Before the mission started
+        _get_ephemeris_data(Time("2015-06-06"))  # Before the mission started
 
-    aux_data = _get_aux_data(Time("2022-08-28T16:02:00"))
+    aux_data = _get_ephemeris_data(Time("2022-08-28T16:02:00"))
     assert len(aux_data) == 1341
 
-    aux_data = _get_aux_data(Time("2022-08-28T16:02:00"), end_time=Time("2022-08-28T16:04:00"))
+    aux_data = _get_ephemeris_data(Time("2022-08-28T16:02:00"), end_time=Time("2022-08-28T16:04:00"))
     assert len(aux_data) == 1341
 
-    aux_data = _get_aux_data(Time("2022-08-28T23:58:00"), end_time=Time("2022-08-29T00:02:00"))
+    aux_data = _get_ephemeris_data(Time("2022-08-28T23:58:00"), end_time=Time("2022-08-29T00:02:00"))
     assert len(aux_data) == 2691
 
 

stixpy/coordinates/tests/test_transforms.py

@@ -68,7 +68,7 @@ def get_hpc_info(times, end_time=None):
     -------
 
     """
-    aux = _get_aux_data(times.min(), times.max())
+    aux = _get_ephemeris_data(times.min(), times.max())
 
     indices = np.argwhere((aux["time"] >= times.min()) & (aux["time"] <= times.max()))
     if end_time is not None:
@@ -153,7 +153,7 @@ def get_hpc_info(times, end_time=None):
 
 
 @lru_cache
-def _get_aux_data(start_time, end_time=None):
+def _get_ephemeris_data(start_time, end_time=None):
     r"""
     Search, download and read L2 pointing data.
 
@@ -173,9 +173,9 @@ def _get_aux_data(start_time, end_time=None):
     query = Fido.search(
         a.Time(start_time, end_time),
         a.Instrument.stix,
-        a.Level.l2,
-        a.stix.DataType.aux,
-        a.stix.DataProduct.aux_ephemeris,
+        a.Level.anc,
+        a.stix.DataType.asp,
+        a.stix.DataProduct.asp_ephemeris,
     )
     if len(query["stix"]) == 0:
         raise ValueError(f"No STIX pointing data found for time range {start_time} to {end_time}.")