RADESYSa
Concept
· http://ontology.oais.info/fits/keyword/RADESYSa
Properties
| definition | Name of the reference frame of equatorial or ecliptic coordinates, whose value must be one of those specified in Table 24. The default value is 'FK4' if the value of EQUINOXa < 1984.0, 'FK5' if 'EQUINOX'a 1984.0, or 'ICRS' if 'EQUINOX'a is not given. |
| label | RADESYSa |
| notation | RADESYSa |
| prefLabel | RADESYSa |
| scopeNote | Defined in section 8.3 of the FITS Standard 4.0; its value is string; default: 'FK4', 'FK5', or 'ICRS': see below. |
Links to
- inScheme → FITS keyword dictionary (FITS Standard 4.0)
Linked from
- FITS keyword dictionary (FITS Standard 4.0) → hasTopConcept