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Merge branch 'main' of https://csst-tb.bao.ac.cn/code/csst-l1/csst-l1doc into main

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docs/source/sls/data_model.md
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# L1-MBI Data model
## File: \*\_img_L1_1.fits
## File: \*\_*_L1_1.fits
### File contents
......@@ -15,27 +15,48 @@
| keyword | value | comment | fallback_value | type | module |
| ------- | :---- | ------------- | -------------- | ---- | --------- |
| SIMPLE | True | Fits standard | True | bool | csst_sims |
| SIMPLE | True | Fits standard | True | bool | csst_ms_sls_instrument |
| BITPIX | 8 | array data value | 8 | i8 | csst_ms_sls_instrument|
| NAXIS | 0 | Number of axes | 0 | i8 |csst_ms_sls_instrument|
| EXTEND | T | file may contain standard extensions | T | bool | csst_ms_sls_instrument|
| NEXTEND | 3 | Number of file extensions | 3 | i8 | csst_ms_sls_instrument |
| CRDS_VER | '0.0.1 ' | Version of CRDS file selection software used| '0.0.1 ' | str | csst_ms_sls_instrument |
| R_GAIN | '*.gain.fits' | Gain reference file name | 'N/A' | str | csst_ms_sls_instrument |
| R_READN | '*.rn.fits' | Read noise reference file name | 'N/A' | str | csst_ms_sls_instrument |
| R_SATURA | '*.sat.fits' | Saturation reference file name | 'N/A' | str | csst_ms_sls_instrument |
| R_MASK | '*.msk.fits' | Mask reference file name | 'N/A' | str | csst_ms_sls_instrument |
| R_BIAS | '*bias.fits' | SuperBias reference file name | 'N/A' | str | csst_ms_sls_instrument |
| R_DARK | '*dark.fits' | Dark reference file name | 'N/A' | str | csst_ms_sls_instrument |
| R_DFLAT | '*flat.fits' | Detector Flat reference file name | 'N/A' | str | csst_ms_sls_instrument |
| R_SFLAT | '*flat.fits' | Spectrograph Flat reference file name | 'N/A' | str | csst_ms_sls_instrument |
| S_DQINI | T | Data Quality Initialization | F | bool | csst_ms_sls_instrument |
| S_SATURA | T | Saturation Checking | F | bool | csst_ms_sls_instrument |
| S_ERRINI | T | Error Initialization | F | bool | csst_ms_sls_instrument |
| S_BIAS | T | Bias correction | F | bool | csst_ms_sls_instrument |
| S_DARK | T | Dark correction | F | bool | csst_ms_sls_instrument |
| S_FLAT | T | Flat field correction | F | bool | csst_ms_sls_instrument |
| DCP_VER | '0.0.1 ' | detector-level calibration pipeline version | '0.0.1 ' | str | csst_ms_sls_instrument |
| DCP_TIME | '2022-12-30T10:18:53' | pipeline processing time | '2022-12-30T10:18:53' | str | csst_ms_sls_instrument |
| HISTORY |'**step complete.' | record processing message | 'null' | str | csst_ms_sls_instrument |
### HDU1
#### Header of `csst_ms_sls_instrument`
| keyword | value | comment | fallback_value | type | module |
| -------- | :-------------------- | ---------------------------------------------- | -------------- | ---- | ---------------------- |
| INST_V | '0.0.1 ' | instrument correction pipeline version | | str | csst_ms_sls_instrument |
| INST_TOL | '2022-12-30T10:18:53' | Time of last modification | | str | csst_ms_sls_instrument |
| DATASUM | '1352015684' | Integrity check of data records | | str | csst_ms_sls_instrument |
| NGOODPIX | 84794368 | number of good pixels | | f32 | csst_ms_sls_instrument |
| SDQFLAGS | 31743 | serious data quality flags | | i16 | csst_ms_sls_instrument |
| GOODMAX | 260.0 | maxmum value of good pixels | | f32 | csst_ms_sls_instrument |
| GOODMIN | -0.001 | minmum value of good pixels | | f32 | csst_ms_sls_instrument |
| GOODMEAN | 0.3 | mean value of good pixels | | f32 | csst_ms_sls_instrument |
| SNRMIN | 187.4 | minmum signal to noise of good pixels | | f32 | csst_ms_sls_instrument |
| SNRMAX | 1.2 | maxmum signal to noise of good pixels | | f32 | csst_ms_sls_instrument |
| SNRMEAN | 3.38 | average of the dark values subtracted | | f32 | csst_ms_sls_instrument |
| BUNIT | electrons/s | brightness units | | str | csst_ms_sls_instrument |
| EXTNAEM | SCI | extension name | | str | csst_ms_sls_instrument |
| keyword | value | comment | fallback_value | type | module |
| -------- | :-------------------- | ------------------------------------------- | -------------- | ---- | ---------------------- |
| EXTNAEM | SCI | extension name | SCI | str | csst_ms_sls_instrument |
| EXTVER | 1 | extension version number | 1 | i8 | csst_ms_sls_instrument |
| BUNIT | electrons/s | brightness units | electrons/s | str | csst_ms_sls_instrument |
| NGOODPIX | 84794368 | number of good pixels | 0 | f32 | csst_ms_sls_instrument |
| SDQFLAGS | 31743 | serious data quality flags | 0 | i16 | csst_ms_sls_instrument |
| GOODMAX | 260.0 | maxmum value of good pixels | 0 | f32 | csst_ms_sls_instrument |
| GOODMIN | -0.001 | minmum value of good pixels | 0 | f32 | csst_ms_sls_instrument |
| GOODMEAN | 0.3 | mean value of good pixels | 0 | f32 | csst_ms_sls_instrument |
| SNRMIN | 187.4 | minmum signal to noise of good pixels | 0 | f32 | csst_ms_sls_instrument |
| SNRMAX | 1.2 | maxmum signal to noise of good pixels | 0 | f32 | csst_ms_sls_instrument |
| SNRMEAN | 3.38 | average of the dark values subtracted | 0 | f32 | csst_ms_sls_instrument |
#### Header of `csst_ms_sls_position`
......@@ -61,16 +82,56 @@
| PV2_4 | 0.07961855240788976 | | 0 | f32 | csst_ms_sls_position |
| PV2_5 | -0.2009224365497067 | | 0 | f32 | csst_ms_sls_position |
| PV2_6 | 0.1741954691884874 | | 0 | f32 | csst_ms_sls_position |
| FIT_STAR | 10 | | 0 | i8 | csst_ms_sls_position |
| STAR_FIT | 10 | number of the stars | 0 | i8 | csst_ms_sls_position |
| RA_OFF | -0.0 | mas in unit | -99 | f32 | csst_ms_sls_position |
| DEC_OFF | 0.0 | mas in unit | -99 | f32 | csst_ms_sls_position |
| RA_STD | 127.1 | mas in unit | -99 | f32 | csst_ms_sls_position |
| DEC_STD | 60.4 | mas in unit | -99 | f32 | csst_ms_sls_position |
| FIT_S　　　 | 0 | 0 for success, 1 for failure | 1 | i8 | csst_ms_sls_position |
| RA_RMS | 127.1 | mas in unit | -99 | f32 | csst_ms_sls_position |
| DEC_RMS | 60.4 | mas in unit | -99 | f32 | csst_ms_sls_position |
| RA_CEN | 193.299027 | center of detector in ra | 0 | f32 | csst_ms_sls_position |
| DEC_CEN | 26.08851 | center of detector in dec | 0 | f32 | csst_ms_sls_position |
| VER_DIST | '1.0' | version of distortion | '1.0' | str | csst_ms_sls_position |
| TOL_DIST | '2023-02-16 12:15:16'| time of last modification | | str | csst_ms_sls_position |
| STA_DIST | 0 | 0 for done, 1 for failure | 1 | i8 | csst_ms_sls_position |
#### Header of `csst_ms_sls_qc1`
| keyword | value | comment | fallback_value | type | module |
| ---------- | :------------------- | ---------------------------- | -------------- | ---- | -------------------- |
| QC1_S 　　　| 0 | 0 for success, 1 for failure | 1 | i8 | csst_ms_sls_qc1 |
| VER_QC1 | '0.0.1' | QC1 pipeline version | '0.0.1' | str | csst_ms_sls_qc1 |
| QC1_FLAG | 0 | quality flags | -99 | i16 | csst_ms_sls_qc1 |
### HDU2
#### Header of `csst_ms_sls_instrument`
| keyword | value | comment | fallback_value | type | module |
| -------- | ----------- | --------------------------- | -------------- | ----- | ---------------------- |
| XTENSION | IMAGE | Image extension | IAMGE | str | csst_ms_sls_instrument |
| BITPIX | -32 | bits per data value | -32 | i8 | csst_ms_sls_instrument |
| NAXIS | 2 | Number of array dimensions | 2 | i8 | csst_ms_sls_instrument |
| NAXIS1 | 9216 | Size of the axis | 9216 | i8 | csst_ms_sls_instrument |
| NAXIS2 | 9232 | Size of the axis | 9232 | i8 | csst_ms_sls_instrument |
| PCOUNT | 0 | number of parameters | 0 | i8 | csst_ms_sls_instrument |
| GCOUNT | 1 | number of groups | 1 | i8 |csst_ms_sls_instrument|
| EXTNAME | ERR | extension name | ERR | str | csst_ms_sls_instrument |
| EXTVER | 1 | extension version number | 1 | i8 | csst_ms_sls_instrument |
| BUNIT | electrons/s | brightness units | electrons/s | str | csst_ms_sls_instrument |
### HDU3
#### Header of `csst_ms_sls_instrument`
| keyword | value | comment | fallback_value | type | module |
| -------- | ----------- | --------------------------- | -------------- | ---- | ---------------------- |
| XTENSION | IMAGE | Image extension | IAMGE | str | csst_ms_sls_instrument |
| BITPIX | 16 | bits per data value | 16 | i8 | csst_ms_sls_instrument |
| NAXIS | 2 | Number of array dimensions | 2 | i8 | csst_ms_sls_instrument |
| NAXIS1 | 9216 | Size of the axis | 9216 | i8 | csst_ms_sls_instrument |
| NAXIS2 | 9232 | Size of the axis | 9232 | i8 | csst_ms_sls_instrument |
| PCOUNT | 0 | number of parameters | 0 | i8 | csst_ms_sls_instrument |
| GCOUNT | 1 | number of groups | 1 | i8 |csst_ms_sls_instrument|
| EXTNAME | DQ | extension name | DQ | str | csst_ms_sls_instrument |
| EXTVER | 1 | extension version number | 1 | i8 | csst_ms_sls_instrument |
| BUNIT | unitless | brightness units | unitless | str | csst_ms_sls_instrument |
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