| decAxis | DirectionLinearAxis | The DEC Axis | |
| decAxis_old | LinearAxis | The DEC Axis | |
| equinox | str | The equinox | |
| latitudePole | float | The latitude pole | degrees |
| longitudePole | float | The longitude pole | degrees |
| PC0_0 | float | The transformation matrix entry 0,0 | |
| PC0_1 | float | The transformation matrix entry 0,1 | |
| PC1_0 | float | The transformation matrix entry 1,0 | |
| PC1_1 | float | The transformation matrix entry 1,1 | |
| projection | str | The used projection | |
| projectionParameters | float | The projection Parameters None | |
| raAxis | DirectionLinearAxis | The RA Axis | |
| raAxis_old | LinearAxis | The RA Axis | |
| raDecSystem | str | The RaDecSystem ICRS/FK5/FK4/... | |