# L1-MBI Data model ## File: \*\_*_L1_1.fits ### File contents | HDU | data | note | |-------|-------------------------|-------------| | HDU0 | None | PrimaryHDU | | HDU1 | reduced SCI (9k x 9k) | ImageHDU | | HDU2 | reduced ERR (9k x 9k) | ImageHDU | | HDU3 | reduced DQ (9k x 9k) | ImageHDU | - 关键字 comment大写开头 - ### *HDU0 --> HDU1 HDU0 修改 `NEXTEND=3` 模块之间用COMMENT隔开，例如 ``` COMMENT ================================================================== COMMENT QC0 CHECK COMMENT ================================================================== ``` 精简每个关键字的comment `-`表示不可能失败，不会使用fallback_value ### HDU1-1 (先不管) | keyword | value | comment | fallback_value | type | module | |--------------------|:-----------------------|-----------------------------------------------|-----------------------|--------|-------------------------| | VER_CRDS | '0.0.1 ' | Version of CRDS file selection software used | - | 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 | 1 | Data Quality Initialization | 0 | int | csst_ms_sls_instrument | | S_SATURA | 1 | Saturation Checking | 0 | int | csst_ms_sls_instrument | | S_ERRINI | 1 | Error Initialization | 0 | int | csst_ms_sls_instrument | | S_BIAS | 1 | Bias correction | 0 | int | csst_ms_sls_instrument | | S_DARK | 1 | Dark correction | 0 | int | csst_ms_sls_instrument | | S_FLAT | 1 | Flat field correction | 0 | int | csst_ms_sls_instrument | | VER_INST | '0.0.1 ' | Instrument calibration pipeline version | - | str | csst_ms_sls_instrument | | STM_INST | '2022-12-30T10:18:53' | Instrument pipeline processing time | '2022-12-30T10:18:53' | str | csst_ms_sls_instrument | | HISTORY | '**step complete.' | Record processing message | - | str | csst_ms_sls_instrument | ### HDU1 #### Header of `csst_ms_sls_instrument` `IMAGE STATISTICS AND DATA QUALITY FLAGS` 需要修改成为标准格式，首字母大写 增加宇宙线证认相关关键字 | keyword | value | comment | fallback_value | type | module | |-----------|:---------|-----------------------------------------|----------------|------|--------------------------| | EXTNAME | SCI | extension name | SCI | str | csst_ms_sls_instrument | | EXTVER | 1 | extension version number | 1 | i8 | csst_ms_sls_instrument | | BUNIT | *e-/s | brightness units | *e-/s | str | csst_ms_sls_instrument | | *NGOODPIX | 84794368 | number of good pixels | -9999 | i32 | csst_ms_sls_instrument | | *SDQFLAGS | 31743 | *serious data quality flags | -9999 | i32 | csst_ms_sls_instrument | | GOODMAX | 260.0 | maxmum value of good pixels | -9999 | f32 | csst_ms_sls_instrument | | GOODMIN | -0.001 | minmum value of good pixels | -9999 | f32 | csst_ms_sls_instrument | | GOODMEAN | 0.3 | mean value of good pixels | -9999 | f32 | csst_ms_sls_instrument | | SNRMIN | 187.4 | minmum signal to noise of good pixels | -9999 | f32 | csst_ms_sls_instrument | | SNRMAX | 1.2 | maxmum signal to noise of good pixels | -9999 | f32 | csst_ms_sls_instrument | | SNRMEAN | 3.38 | average of the dark values subtracted | -9999 | f32 | csst_ms_sls_instrument | VER_INST 仪器改正版本号 STA_INST 仪器改正状态 STM_INST 仪器改正时间戳 #### Header of `csst_ms_sls_position` 位置定标信息新开一节 CD1_1等系数在修改后挪到这一节 | keyword | value | comment | fallback_value | type | module | |----------|:----------------------|------------------------------|----------------|--------|-----------------------| | CTYPE1 | 'RA---TPV' | | 'RA---TAN' | str | csst_ms_sls_position | | CTYPE2 | 'DEC--TPV' | | 'DEC--TAN' | str | csst_ms_sls_position | | CUNIT1 | 'deg ' | | 'deg' | str | csst_ms_sls_position | | CUNIT2 | 'deg ' | | 'deg' | str | csst_ms_sls_position | | RADESYS | 'ICRS ' | | '?' | str | csst_ms_sls_position | | PV1_0 | 0.003205383944913964 | | -9999 | f32 | csst_ms_sls_position | | PV1_1 | 0.8673020820536499 | | -9999 | f32 | csst_ms_sls_position | | PV1_2 | -0.2011989871377834 | | -9999 | f32 | csst_ms_sls_position | | PV1_3 | -0.2597214229472611 | | -9999 | f32 | csst_ms_sls_position | | PV1_4 | 0.4353828741811097 | | -9999 | f32 | csst_ms_sls_position | | PV1_5 | -0.5054216569802673 | | -9999 | f32 | csst_ms_sls_position | | PV1_6 | 0.1951474426617432 | | -9999 | f32 | csst_ms_sls_position | | PV2_0 | 0.00109803885992697 | | -9999 | f32 | csst_ms_sls_position | | PV2_1 | 0.9171065857705857 | | -9999 | f32 | csst_ms_sls_position | | PV2_2 | -0.04908256792722099 | | -9999 | f32 | csst_ms_sls_position | | PV2_3 | -0.09860562038448289 | | -9999 | f32 | csst_ms_sls_position | | PV2_4 | 0.07961855240788976 | | -9999 | f32 | csst_ms_sls_position | | PV2_5 | -0.2009224365497067 | | -9999 | f32 | csst_ms_sls_position | | PV2_6 | 0.1741954691884874 | | -9999 | f32 | csst_ms_sls_position | | *NS_POS | 10 | number of the stars | -- | i8 | csst_ms_sls_position | | RA_OFF | -0.0 | mas in unit | -9999 | f32 | csst_ms_sls_position | | DEC_OFF | 0.0 | mas in unit | -9999 | f32 | csst_ms_sls_position | | RA_RMS | 127.1 | mas in unit | -9999 | f32 | csst_ms_sls_position | | DEC_RMS | 60.4 | mas in unit | -9999 | f32 | csst_ms_sls_position | | RA_CEN | 193.299027 | center of detector in ra | -- | f32 | csst_ms_sls_position | | DEC_CEN | 26.08851 | center of detector in dec | -- | f32 | csst_ms_sls_position | | *VER_POS | '1.0' | version of distortion | '1.0' | str | csst_ms_sls_position | | *STM_POS | '2023-02-16 12:15:16' | time of last modification | -- | str | csst_ms_sls_position | | *STA_POS | 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 | |----------------|:---------|------------------------------|----------------|-------|-----------------| | *STA_QC1 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 | + STM_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 |