| BITPIX | int | Number of bits used to store pixel values Standard values are defined in NOST-100.0 The only valid values are: 8 character of unsigned binary integer 16 16-bit twos-complement binary integer 32 32-bit twos-complement binary integer -32 IEEE single precision floating point -64 IEEE double precision floating point [BITPIX] | |
| dec | float | Declination [OBS DEC] | deg |
| det_dit | float | Detector integration time (average when NDIT > 1) [DET DIT] | s |
| extensions | DepersistedExtension | DepersistedExtension [] | |
| filename | str | The name of the associated file | |
| filtname | str | Filter name [INS FILT NAME] | |
| globalname | str | The name used to store and retrieve file to and from Storage | |
| instname | str | ESO acronym for the instrument used. [INSTRUME] | |
| mjdobs | float | Modified Julian Day of the start of the exposure. The MJD is related to the Julian Day (JD) via the formula: MJD = JD-2400000.5 The comment includes a civil representation of the date and time. 8 decimals are required for a precision of one millisecond, 5 decimals for a precision of one second. [MJD-OBS] | |
| NAXIS | int | Number of axes of the data array (limited to less than 999). A value of 0 signifies that no data follow the header in the HDU (header and data unit). [NAXIS] | |
| obs__tplno | int | Number of the template of this exposure in an ObservingBlock [OBS TPLNO] | |
| persistence | Persistence | Persistence Image [] | |
| qc | DepersistedQC | Quality Control parameters [] | |
| ra | float | Right Ascension [OBS RA] | deg |
| raw | Astromfield | Raw data [] | |
| readmode | str | Readout mode of the detector [DET READOUT] | |
| recipe | McdDetDepersist | The recipe [] | |
| SIMPLE | int | SIMPLE must be equal to 'T' to conform to FITS. [SIMPLE] | |
| tpl__expno | int | Number of this exposure in a Template [TPL EXPNO] | |
| tpl__start | float | Start time of template [TPL START] | |
