@@ -141,17 +141,41 @@ void wrapPhotoatomicTable( python::module& module, python::module& ) {
     &Table::length,
     "The total length of the XSS array"
   )
+  .def_property_readonly(
+
+    "S",
+    &Table::S,
+    "The excited state of the target"
+  )
+  .def_property_readonly(
+
+    "excited_state",
+    &Table::excitedState,
+    "The excited state of the target"
+  )
   .def_property_readonly(
 
     "Z",
     &Table::Z,
-    "The atom number of the element"
+    "The atom number of the target"
   )
   .def_property_readonly(
 
     "atom_number",
     &Table::atomNumber,
-    "The atom number of the element"
+    "The atom number of the target"
+  )
+  .def_property_readonly(
+
+    "A",
+    &Table::A,
+    "The mass number of the target"
+  )
+  .def_property_readonly(
+
+    "mass_number",
+    &Table::massNumber,
+    "The mass number of the target"
   )
   .def_property_readonly(
 
 
@@ -133,6 +133,26 @@ class PhotoatomicTable : protected Table {
    */
   unsigned int atomNumber() const { return this->Z(); }
 
+  /**
+   *  @brief Return the excited state of the target
+   */
+  unsigned int S() const { return 0; }
+
+  /**
+   *  @brief Return the excited state of the target
+   */
+  unsigned int excitedState() const { return 0; }
+
+  /**
+   *  @brief Return the mass number of the target
+   */
+  unsigned int A() const { return 0; }
+
+  /**
+   *  @brief Return the mass number of the target
+   */
+  unsigned int massNumber() const { return this->A(); }
+
   /**
    *  @brief Return the number of energy points
    */
 
@@ -620,8 +620,12 @@ void verifyChunkMcplib( const PhotoatomicTable& chunk ) {
   CHECK_THAT( 0., WithinRel( chunk.temperature() ) );
 
   CHECK( 389 == chunk.length() );
+  CHECK( 0 == chunk.S() );
+  CHECK( 0 == chunk.excitedState() );
   CHECK( 1 == chunk.Z() );
   CHECK( 1 == chunk.atomNumber() );
+  CHECK( 0 == chunk.A() );
+  CHECK( 0 == chunk.massNumber() );
   CHECK( 43 == chunk.NES() );
   CHECK( 43 == chunk.numberEnergyPoints() );
   CHECK( 0 == chunk.NFLO() );
@@ -759,8 +763,12 @@ void verifyChunkMcplib03( const PhotoatomicTable& chunk ) {
   CHECK_THAT( 0., WithinRel( chunk.temperature() ) );
 
   CHECK( 821 == chunk.length() );
+  CHECK( 0 == chunk.S() );
+  CHECK( 0 == chunk.excitedState() );
   CHECK( 3 == chunk.Z() );
   CHECK( 3 == chunk.atomNumber() );
+  CHECK( 0 == chunk.A() );
+  CHECK( 0 == chunk.massNumber() );
   CHECK( 82 == chunk.NES() );
   CHECK( 82 == chunk.numberEnergyPoints() );
   CHECK( 0 == chunk.NFLO() );
@@ -946,8 +954,12 @@ void verifyChunkEprdata12( const PhotoatomicTable& chunk ) {
   CHECK_THAT( 0., WithinRel( chunk.temperature() ) );
 
   CHECK( 12025 == chunk.length() );
+  CHECK( 0 == chunk.S() );
+  CHECK( 0 == chunk.excitedState() );
   CHECK( 1 == chunk.Z() );
   CHECK( 1 == chunk.atomNumber() );
+  CHECK( 0 == chunk.A() );
+  CHECK( 0 == chunk.massNumber() );
   CHECK( 647 == chunk.NES() );
   CHECK( 647 == chunk.numberEnergyPoints() );
   CHECK( 0 == chunk.NFLO() );
@@ -1338,8 +1350,12 @@ void verifyChunkEprdata14( const PhotoatomicTable& chunk ) {
   CHECK_THAT( 0., WithinRel( chunk.temperature() ) );
 
   CHECK( 24009 == chunk.length() );
+  CHECK( 0 == chunk.S() );
+  CHECK( 0 == chunk.excitedState() );
   CHECK( 6 == chunk.Z() );
   CHECK( 6 == chunk.atomNumber() );
+  CHECK( 0 == chunk.A() );
+  CHECK( 0 == chunk.massNumber() );
   CHECK( 1210 == chunk.NES() );
   CHECK( 1210 == chunk.numberEnergyPoints() );
   CHECK( 0 == chunk.NFLO() );