Merge pull request astropy#3622 from pllim/gaia-dr3

MAST: Add Gaia DR3 and make it default

Author: pllim

CHANGES.rst

@@ -81,6 +81,7 @@ mast
 - The ``objectname`` keyword is deprecated in ``MastMissions`` in favor of ``object_names``. [#3540]
 - The ``objectname`` parameter in ``Catalogs``, ``Observations``, ``Tesscut``, and ``utils`` is deprecated
   in favor of ``object_name``. [#3567]
+- Gaia cone search now defaults to DR3. Previously, DR3 was not supported and the default was DR2. [#3622]
 
 vo_conesearch
 ^^^^^^^^^^^^^

astroquery/mast/collections.py

@@ -264,10 +264,12 @@ def query_region_async(self, coordinates, *, radius=0.2*u.deg, catalog="Hsc",
             elif catalog.lower() == "gaia":
                 if version == 1:
                     service = "Mast.Catalogs.GaiaDR1.Cone"
-                else:
-                    if version not in (None, 2):
-                        warnings.warn("Invalid Gaia version number, defaulting to DR2.", InputWarning)
+                elif version == 2:
                     service = "Mast.Catalogs.GaiaDR2.Cone"
+                else:
+                    if version not in (None, 3):
+                        warnings.warn("Invalid Gaia version number, defaulting to DR3.", InputWarning)
+                    service = "Mast.Catalogs.GaiaDR3.Cone"
 
             elif catalog.lower() == 'plato':
                 if version in (None, 1):

astroquery/mast/tests/test_mast.py

@@ -49,6 +49,7 @@
               'Mast.Hsc.Db.v3': 'hsc.json',
               'Mast.Hsc.Db.v2': 'hsc.json',
               'Mast.Galex.Catalog': 'hsc.json',
+              'Mast.Catalogs.GaiaDR3.Cone': 'hsc.json',
               'Mast.Catalogs.GaiaDR2.Cone': 'hsc.json',
               'Mast.Catalogs.GaiaDR1.Cone': 'hsc.json',
               'Mast.Catalogs.Sample.Cone': 'hsc.json',