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Table A.1.
Keywords used in all SALSA data products and respective description with examples.
| Generic FITS keywords common for all SALSA data products | ||
|---|---|---|
| Keyword | Example Value | Description |
| PROPCODE | ’2018.1.01879.S’ | Project code to which the data belongs. String. Set by S.19. |
| PROJECT | ’SolarALMA’ | Project. String. Set by SNET. |
| INSTRUME | ’BAND3’ | Band. String. Reserved by FS3.0. FS4.0. Set by S1.9. |
| FILENAME | ’solaralma.....image.fits’ | Filename. String. Set by SNET. |
| DATAMIN | 5800 | Minimum value of the data. Float. Reserved and set by: F3.0, F4.0, SNET. |
| DATAMAX | 6100 | Maximum value of the data. Float. Reserved and set by: F3.0, F4.0, SNET. |
| CASAVER | ’CASA 3.4.0(release r19988)’ | String. Set by S1.9 and A613. |
| ORIGIN | ’JAO-UIO’ | UIO appended. String. Reserved by F3.0. F4.0. Set by S1.9. |
| SOLARNET | ’0.5’ | 0.5 or 1 for partially compliant or fully compliant. String. Set by SNET |
| PWV | 0.7 | Unit: mm. Average precipitable water vapour. Float. A quality metric. |
| SPATRES | 0.5 | Geometric average of the min and the max beam axes (a sort of "Spatial resolution"). Float. Arcsec. Set by A613 and S1.9. |
| BNDCTR | 2.315424966698E+11 | Center frequency of data in the FITS array. Hz. Set by S1.9 and SNET. |
| WAVEBAND | ’ALMA Band 3’ | Human readable band description. SNET. |
| OBS_HDU | 1 | Contains Observational data. Integer. Set by SNET. |
| DATE-BEG | ’2014-12-11T19:09:13’ | Start of solar observations. String. Set by FS3.0 ,FS4.0, SNET. |
| DATATAG | ’This paper makes use of the following ALMA data: ADS/JAO.ALMA# [Project code]. ALMA is a partnership of ESO (representing its member states), NSF (USA) and NINS (Japan), together with NRC (Canada) and NSC and ASIAA (Taiwan), in cooperation with the Republic of Chile. The Joint ALMA Observatory is operated by ESO, AUI/NRAO and NAOJ. It also makes use of the Solar ALMA Science Archive developed at UiO and based on SoAP reduction. Please cite ...’ | Set by S1.9. Implemented in SALSA as an OGIP 1.0 compliant LONGSTRN. |
| Primary HDU FITS keywords | ||
| Keyword | Default Value | Description |
| CREATOR | ’SoAP’ | Name of the last software that created the data contents. String. Set by SNET. |
| VERS_SW | ’0.12’ | Version of the CREATOR software. String. Set by SNET. |
| HASH_SW | ’424d417e04...’ | Hash of CREATOR software (robust versioning). Can be GIT hub commit hash. Example is the hash for the latest version marked as v0.14. String. Making its way into SNET. |
| CO_OBS | ’IRIS 3640009423,SST,NST’ | Comma separate list of telescopes with identified co-observations and strings of observation IDs if available. String. |
| CHNRMS | 0.324E-03 | Channel RMS. Kelvin. Float. Set by S1.9 and A613 (but not in Jy/beam). |
| FOV | 1.54 | Total area of the field of view of the image. Square degrees. Float. Set by S1.9. |
| EFFDIAM | 0.70 | Effective diameter of the field of view. Degrees. Float. Set by S1.9 |
| RES_MEAN | 0.1 | Mean of residuals after CLEAN. Float. Basic quality measure. |
| RES_STDV | 0.1 | Standard deviation of the residuals. Float. Basic quality measure. |
| VAR_KEYS | ’TIMEVAR; BMAJ, BMIN, BPA, TIME_TAG’ | Reference to extension containing time-variable values. String. Set by SNET. |
| PRSTEP1 | ’CLEAN’ | Processing steptype. Generic form is PRSTEPn where n stands for number of processing step. String. Set by SNET. |
| PRPROC1 | ’TCLEAN’ | Name of procedure performing PRSTEP1. String. Set by SNET. |
| PRPVER1 | 0.8 | Version of procedure PRPROC1. String. Set by SNET. |
| PRREF1A | ’UIO-ALMA (solaralma@uio.no)’ | Group doing manual adjustments. String. Set by SNET. |
| PRPARA1 | ’[PRPARA]’ | Name of extension containing list of parameters or options for PRPROC1. String. Set by SNET. |
| PRLIB1 | ’CASA ’ | Software library containing TCLEAN. String. Set by SNET. |
| PRVER1 | 5.6 | Library version or Modified Julian Day (MJD) of last update. String. Set by SNET. |
| PRSTEP2 | ’TPCALIB’ | PRocessing steptype. Generic form is PRSTEPn where n stands for number of processing step. Set by SNET. |
| PRPROC2 | ’SOAP_FEATHER’ | Name of procedure performing PRSTEP1. String. Set by SNET. |
| PRPVER2 | 1.0 | Version of procedure PRPROC2. String. Set by SNET. |
| PRPARA2 | ’[PRPARA]’ | Name of extension containing list of parameters or options for PRPROC2. String. Set by SNET. |
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