Changes for SOFA Issue: 2023-10-11 (Release 19)

 Summary of Changes

This is the list of updates and changes that are actual errors. Additions, such as including the units "radians", and/or typographical alterations are not listed. They include changing capitalisation, e.g. AU -> au and Of -> of, and consistent spelling i.e. catalogue -> catalog.

 Corrections to code in the SOFA FORTRAN Library

• STARPV & PVSTAR — Code changes to make better use of machine precision

 Corrections to code in the SOFA C Library

• Starpv & Pvstar — Code changes to make better use of machine precision

 Updated parameters in the SOFA FORTRAN Library

• DAT — PARAMETER ( IYV = 2023 )

 Updated parameters in the SOFA C Library

• Dat — enum { IYV = 2023 };

 Corrections to comments in the SOFA FORTRAN Library

1. A2TF & D2TF — Notes: 3, last line
   * by testing for IHMSF(1)=24 and setting IHMSF(2-4) to zero.
2. ATOIQ — Notes: 1, first line
   * 1) "Observed" Az,ZD means ...
3. C2T06A — Notes: 1, 2nd line, i.e. the end of the first sentence is
   * apportioned in any convenient way between the two arguments.
4. FK45Z — Notes: 4, last sentence
   * stars, whether polar or not. At epoch J2000.0, ...
5. FK54Z — Notes 3, first line is
   3) Conversion from J2000.0 FK5 to B1950.0 FK4 only is provided for.
6. HFK5Z — Notes: 6, first line
   6) See also iau_FK52H, iau_H2FK5, iau_FK5HZ.
7. LTPB — Notes: 1, line 3
   * where P_ICRS is a vector in the International Celestial Reference

 Corrections to comments in the SOFA C Library

1. A2tf — Note 3, last line
   ** by testing for ihmsf[0]=24 and setting ihmsf[1-3] to zero.
2. Atoiq — Notes: 1, first line
   ** 1) "Observed" Az,ZD means ...
3. C2t06a — Notes: 1, 2nd line, i.e. the end of the first sentence is
   < ** apportioned in any convenient way between the two arguments.
4. Fk45z — Notes: 4, last sentence
   ** motions for all stars, whether polar or not. At epoch J2000.0,
5. Fk54z — Notes 3, first line is
   ** 3) Conversion from J2000.0 FK5 to B1950.0 FK4 only is provided for.
6. Hfk5z — Notes: 6, first line
   ** 6) See also iauFk52h, iauH2fk5, iauFk5hz.<
7. The test program t_sofa_c.c. In the routine t_atccq the list of called routines is
   ** Called: iauApci13, iauAtccq, vvd

SOFA Release 19: This changes file was updated on 2023 May 31.