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Table B.1.
Header of the extension with time-dependent variables, extension ‘TIMEVAR’, with example values. We note that the header keywords describe the variables in the binary table.
| Header of the extension containing time dependent variables. | ||
|---|---|---|
| Keyword | Default Value | Description |
| XTENSION | ’BINTABLE’ | Type of extension. String. Set by F4.0. |
| TFIELDS | 4 | Total fields. Integer. Set by F4.0. |
| EXTNAME | ’TIMEVAR’ | Name of the extension. String. Primary HDU refers to this name using VAR_KEYS |
| DATEREF | ’2014-12-11T00:00:00’ | Time in UTC. Reference time that sets the zero to all other UTC times such as the extension time stamps. String. Set by SNET and F4.0. |
| SOLARNET | 0.5 | SOLARNET compliance: 0.5 or 1 for partially compliant or fully compliant. Float. Set by SNET. |
| TTYPE1 | ’BMAJ’ | First column. Beam shape major axis. Variable-keyword. String. Degrees. Set by F4.0. |
| TTYPE2 | ’BMIN’ | Second column. Beam shape minor axis. Variable-keyword. String. Degrees. Set by F4.0. |
| TTYPE3 | ’BPA’ | Third column. Beam average. Variable-keyword. String. Degrees. Set by F4.0. |
| TTYPE4 | ’TIME_TAG’ | Fourth column. Tabulation of time. Variable-keyword. String. Set by F4.0. |
| TFORM1 | ’1558E’ | Real*4 (float). String. Set by F4.0 and SNET. |
| TFORM2 | ’1558E’ | Real*4 (float). String. Set by F4.0 and SNET. |
| TFORM3 | ’1558E’ | Real*4 (float). String. Set by F4.0 and SNET. |
| TFORM4 | ’1558E’ | Real*4 (float). String. Set by F4.0 and SNET. |
| TDIM1 | ’(1,1,1,1,1558)’ | Dimension of array. String. Set by F4.0 and SNET. |
| TDIM2 | ’(1,1,1,1,1558)’ | Dimension of array. String. Set by F4.0 and SNET. |
| TDIM3 | ’(1,1,1,1,1558)’ | Dimension of array. String. Set by F4.0 and SNET. |
| TDIM4 | ’(1,1,1,1,1558)’ | Dimension of array. String. Set by F4.0 and SNET. |
| TUNIT1 | ’arcsec’ | Units for column 1. String. Set by F4.0 and SNET. |
| TUNIT2 | ’arcsec’ | Units for column 2. String. Set by F4.0 and SNET. |
| TUNIT3 | ’arcsec’ | Units for column 3. String. Set by F4.0 and SNET. |
| TUNIT4 | ’s’ | Units for column 4. String. Set by F4.0 and SNET. |
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