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The new Position section in the CLASS Data Format

In order to achieve the goal described in section [*], the section Position in the CLASS files is redesigned as described in table [*]. This section is delivered in the version 2 of the observations1. The modifications are:




Table: New Position section in observations version 2 (since 26-mar-2015 in the GILDAS development branch). The elements are ordered this way, contiguously in the file. The section length is now 14 words (1 word is 4 bytes).
Fortran type Parameter Position Description
C*12 SOURC 1-3 Source name
I*4 SYSTEM 4 Code for coordinate system
R*4 EQUINOX 5 Equinox of coordinates
I*4 PROJ 6 Code for projection system
R*8 LAM 7-8 Lambda of projection center
R*8 BET 9-10 Beta of projection center
R*8 PROJANG 11-12 Projection angle
R*4 LAMOF 13 Offset in Lambda
R*4 BETOF 14 Offset in Beta

As a reminder and for comparison, the description of the old Position section is available in the Appendix [*].


next up previous contents
Next: Support in CLASS Up: IRAM Memo 2015-1 Extended Previous: Goal   Contents
Gildas manager 2023-06-01