diff --git a/jdaviz/configs/default/plugins/virtual_observatory/vo_plugin.py b/jdaviz/configs/default/plugins/virtual_observatory/vo_plugin.py
index d2602b3107..dd009046cb 100644
--- a/jdaviz/configs/default/plugins/virtual_observatory/vo_plugin.py
+++ b/jdaviz/configs/default/plugins/virtual_observatory/vo_plugin.py
@@ -48,7 +48,8 @@ class VoPlugin(PluginTemplateMixin, AddResultsMixin, TableMixin):
     source = Unicode("").tag(sync=True)
     coordframes = List([]).tag(sync=True)
     coordframe_selected = Unicode("icrs").tag(sync=True)
-    radius_deg = Float(1).tag(sync=True)
+    radius_val = Float(1).tag(sync=True)
+    radius_unit = Unicode("deg").tag(sync=True)
 
     results_loading = Bool(False).tag(sync=True)
     data_loading = Bool(False).tag(sync=True)
@@ -185,7 +186,7 @@ def vue_query_registry_resources(self, _=None):
                             f"Unable to resolve source coordinates: {self.source}"
                         )
                 registry_args.append(
-                    registry.Spatial(coord, self.radius_deg, intersect="overlaps")
+                    registry.Spatial((coord, (self.radius_val * u.Unit(self.radius_unit)).to(u.deg).value), intersect="overlaps")
                 )
             self._full_registry_results = registry.search(*registry_args)
             self.resources = list(self._full_registry_results.getcolumn("short_name"))
@@ -251,7 +252,7 @@ def vue_query_resource(self, _=None):
             # Once coordinate lookup is complete, search service using these coords.
             sia_results = sia_service.search(
                 coord,
-                size=((self.radius_deg * u.deg) if self.radius_deg > 0.0 else None),
+                size=((self.radius_val * u.Unit(self.radius_unit)) if self.radius_val > 0.0 else None),
                 format="image/fits",
             )
             if len(sia_results) == 0:
diff --git a/jdaviz/configs/default/plugins/virtual_observatory/vo_plugin.vue b/jdaviz/configs/default/plugins/virtual_observatory/vo_plugin.vue
index a020094241..d33d1c2a61 100644
--- a/jdaviz/configs/default/plugins/virtual_observatory/vo_plugin.vue
+++ b/jdaviz/configs/default/plugins/virtual_observatory/vo_plugin.vue
@@ -41,17 +41,30 @@
 
     <j-plugin-section-header>Common Options</j-plugin-section-header>
 
-      <v-row>
-        <v-text-field
-        v-model.number="radius_deg"
-        type="number"
-        label="Radius"
-        hint="Angular radius, in degrees, around source coordinates, within which to query for data (Default 1 degree)"
-        persistent-hint>
-        </v-text-field>
+
+      <v-row justify="space-between">
+        <div :style="{ width: '55%' }">
+          <v-text-field
+            v-model.number="radius_val"
+            type="number"
+            label="Radius"
+            hint="Angular radius around source coordinates, within which to query for data (Default 1 degree)"
+            persistent-hint>
+          </v-text-field>
+        </div>
+        <div :style="{ width: '40%' }">
+          <v-select
+          v-model="radius_unit"
+          attach
+          :items="['deg', 'rad', 'arcmin', 'arcsec']"
+          label="Unit">
+          </v-select>
+        </div>
       </v-row>
 
 
+
+
     <j-plugin-section-header>Survey Collections</j-plugin-section-header>
       <v-row>
         <j-tooltip tipid='plugin-vo-filter-coverage'>