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Astronomy Library - Astrometry
This is the index page for the Astrometry section of the Astronomy Library for SOFA Library Issue 2023-10-11 for Fortran 77. The Astrometry section includes the following routines:
| AB | — | Apply stellar aberration |
| APCG | — | Prepare for ICRS <-> GCRS, geocentric, special |
| APCG13 | — | Prepare for ICRS <-> GCRS, geocentric |
| APCI | — | Prepare for ICRS <-> CIRS, terrestrial, special |
| APCI13 | — | Prepare for ICRS <-> CIRS, terrestrial |
| APCO | — | Prepare for ICRS <-> observed, terrestrial, special |
| APCO13 | — | Prepare for ICRS <-> observed, terrestrial |
| APCS | — | Prepare for ICRS <-> CIRS, space, special |
| APCS13 | — | Prepare for ICRS <-> CIRS, space |
| APER | — | Insert ERA into context |
| APER13 | — | Update context for Earth rotation |
| APIO | — | Prepare for CIRS <-> observed, terrestrial, special |
| APIO13 | — | Prepare for CIRS <-> observed, terrestrial |
| ATCC13 | — | J2000.0 catalog ICRS -> astrometric ICRS |
| ATCCQ | — | Astrometric ICRS -> J2000.0 catalog ICRS |
| ATCI13 | — | Catalog -> CIRS |
| ATCIQ | — | Quick ICRS -> CIRS |
| ATCIQN | — | Quick ICRS -> CIRS, multiple deflections |
| ATCIQZ | — | Quick astrometric ICRS -> CIRS |
| ATCO13 | — | ICRS -> observed |
| ATIC13 | — | CIRS -> ICRS |
| ATICQ | — | Quick CIRS -> ICRS |
| ATICQN | — | Quick CIRS -> ICRS, multiple deflections |
| ATIO13 | — | CIRS -> observed |
| ATIOQ | — | Quick CIRS -> observed |
| ATOC13 | — | Observed -> astrometric ICRS |
| ATOI13 | — | Observed -> CIRS |
| ATOIQ | — | Quick observed -> CIRS |
| LD | — | Light deflection by a single solar-system body |
| LDN | — | Light deflection by multiple solar-system bodies |
| LDSUN | — | Light deflection by the Sun |
| PMPX | — | Apply proper motion and parallax |
| PMSAFE | — | Apply proper motion, with zero-parallax precautions |
| PVSTAR | — | Star position+velocity vector to catalog coordinates |
| PVTOB | — | Observatory position and velocity |
| REFCO | — | Refraction constants |
| STARPM | — | Proper motion between two epochs |
| STARPV | — | Star catalog coordinates to position+velocity vector |