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DATA PROCESSING AT PICARD PAYLOAD DATA CENTRE (PPDC) PPDC PRODUCTS. Abdanour IRBAH SA / CNRS. SODISM DATA PROCESSING. I - PICARD DATA II - ONBOARD DATA PROCESSING III - DATA PROCESSING ORGANIGRAMS IV - SODISM DATA PROCESSING V - PPDC SODISM PRODUCTS. I – PICARD DATA. SODISM DATA.
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DATA PROCESSING AT PICARD PAYLOAD DATA CENTRE (PPDC)PPDC PRODUCTS Abdanour IRBAH SA / CNRS
SODISM DATA PROCESSING I - PICARD DATA II - ONBOARD DATA PROCESSINGIII - DATA PROCESSING ORGANIGRAMSIV - SODISM DATA PROCESSINGV - PPDC SODISM PRODUCTS
SODISM DATA Full Image Macropixel Image • Solar images • Full images of size 2048x2048 pixels recorded at wavelengths • 215, 393, 535, 607 and 782 nm (2 images / orbit) • Macropixel images of size 256x256 pixels at 535 nm with a cadence • of 1 image each 60 seconds (helioseismology) (size : 64x64 macropixels)
SODISM DATA -II- Solar limbs • Solar limbs • 22 pixels wide limbs recorded at • 535 nm with a cadence of 1 limb • each 120 s • (helioseismology studies) • 40 pixels wide limbs recorded at • 215, 393, 535, 607 and 782 nm • at a rate of 2 / orbit / wavelength Samples of the whole SODISM image are extractedandpresent with limbs These samples are used to follow instrument behavior on orbit
SODISM DATA -III- • - Flat field and Dark Signal images (size 2048x2048 pixels) : 1/day • Dark Signal limbs (40 pixels wide limbs) : 4/orbit • Double stars images (2 windows image of size 768x768 pixels): 1/month Dark signal image Flat Field image Dark signal limb Double stars image Image size are all 2048x2048 pixels
SOVAP & PREMOS DATA -IV- • SOVAP: Total Solar Irradiance (TSI) data obtained with • Radiometer : 9 data frames / 90 S leading to 1 TSI data / 3 MN • Bolometer : 1 data / 10 S • ADDITIONAL DATA : HK – Instrumental Status • PREMOS: Spectraland Total solar irradiance with respectively • Spectrophotometers : • High Rate Science : 10 data / 1 S (UV, = 210 NM ) • Low Rate Science : 6 data frames / 1 MN (266, 535, 607, 782 NM) • Radiometer : 2 Frames / 1 MN leading to 1 TSI data / 2 MN • ADDITIONAL DATA : HK – Calibration and Instrumental data USEFUL DATA: SOLAR IMAGES FROM GROUND BASED OBSERVATORIES (SODISM II, MISOLFA …), SATELLITE ORBIT DATA …
ONBOARD SODISM DATA PROCESSING -I- • LIMB AND DEFINED IMAGE SAMPLES EXTRACTION Whole SODISM image : Mask Extracted solar limb Main and auxiliary solar images with some image samples (False color) (False color)
ONBOARD SODISM DATA PROCESSING -II- • LIMB TRANSFORMATION BEFORE COMPRESSION Extracted solar limb (L(M)) … and its transformation (Os(M))
ONBOARD SODISM DATA PROCESSING -III- • MACROPIXEL IMAGE Whole Image I(M) Macropixel Image IMP(M) (64 x 64 pixels) • LIMB , MACROPIXEL AND FULL IMAGE COMPRESSION • Two kinds of compression data : • Non destructive for transformed limbs, macropixel and some images • Destructive for full solar images but does not affect scientific objectives
Data processing DATA PACKETS DATA PACKET PROCESSINGS • UNZIPPING DATA • RESTORING LIMBS • EXTRACTING AND RESTORING SAMPLE IMAGES SODISM N0 PRODUCTS ECLIPSE, ABSOPTION, MODES : NOMINAL, DARK SIGNAL, STELLAR, OPTICAL DISTORTION SOVAP N0 PRODUCTS PREMOS N0 PRODUCTS
Data processing Input parameters SODISM N0 PRODUCTS (NOMINAL & DARK SIGNAL MODES) DARK SIGNAL IMAGES SCATERRED LIGHT SAMPLE PRODUCTS DARK SIGNAL SAMPLE PRODUCTS THRESHOLD IMAGE ANALYSIS : MEAN & STANDARD DEVIATION N0P PRODUCT N0P_SCO N0P PRODUCT N0P_SLP N0P PRODUCT (N0P_CO, BAD PIXEL MASK)
Data processing Input parameters SODISM N0 PRODUCTS CT-SA LIMBS (22 and 40 pixels wide) FULL SOLAR IMAGES MACROPIXEL IMAGES N0 DARK SIGNAL LIMB SODISM CALIBRATION DATA (N1_CO , N1_FFL[]) CALIBRATION FULL IMAGE N1_RS_WL[] LIMBS N1_DL_WL[] MACROPIXEL IMAGE N1_HMP_WL535 LIMBS N1_HL_WL535 MASK AUXILIARY IMAGE EXTRACTION (EI) AUXILIARY IMAGES N1_SEI
Data processing Input parameters NOMINAL MODE : N1 PRODUCTS ( FULL & AUXILIARY IMAGES , LIMBS) FULL IMAGES (N1_RS_WL[]) LIMBS (N1_HL_WL535, N1_DL_WL[]) AUXILIARY IMAGES (N1_SEI) MASK SOLSPEC DATA N2A PREMOS INTENSITY IMAGE ORBITAL FILE MEAN SOLAR DIAMETER SES DATA MASK SCALE FACTOR N2A PRODUCTS (N2A_HL_RaySolMoy, N2A_DL_RaySolMoy) N1P PRODUCTS (N1P_RS_WL[]) N1P PRODUCTS (N1_FE) ORBITAL FILE DIAMETER : DAILY MEAN VARIATION N2A PRODUCTS (N2A_HL_VARIATION)
NOMINAL MODE : N1 PRODUCTS MACROPIXEL IMAGES , LIMBS) Data processing Input parameters LIMB N1_HL_WL535 MACROPIXEL IMAGE N1_HMP_WL535 MACROPIXEL IMAGE N1_HMP_WL535 LIMB WIDTH SECTORS PHOTOMETRY MACROPIXEL PHOTOMETRY LIMBS YLM LMIN LMAX N1 PRODUCTS N1_HMP_WL535_PHOT_<J> <J> = (JJ-14) à JJ N1 PRODUCTS N1_HL_WL535_PHOT_<J> <J> = (JJ-14) à JJ N1 PRODUCTS N1_HMP_WL535_PHOTLM_<J> <J> = (JJ-2) à JJ POWER SPECTRUM POWER SPECTRUM LNU DIAGRAM N1P PRODUCTS N1P_HMP_WL535_DS_MPTOT_<JJ-14>_<JJ> N1P PRODUCTS N1P_HMP_WL535_LNU_MAV_<JJ-2>_<JJ> N1P PRODUCTS N1P_HL_WL535_DS_CTOT_<JJ-14>_<JJ>
SODISM ALGORITHM NEEDS Presented algorithms need software developments consisting in : • reconstruction of limbs from their transformed forms • quick analysis data • calibration data • scale factor estimation • analysis of helioseismology limbs and macropixel images • calculation of intensity power spectrum and LNU diagrams • SODISM image intensity : calculation and comparison • mean solar diameter estimation • daily mean solar diameter variation N0 - N0P N1 - N1P N2A
SOVAP N0 SOVAP N0 • • • Processing Block Processing Block Processing Block PRODUCTS PRODUCTS Parameter inputs Parameter inputs Parameter inputs ORBITAL FILE ORBITAL FILE INSTRUMENTAL FILE INSTRUMENTAL FILE CALIBRATION FILE CALIBRATION FILE CALIBRATION CALIBRATION HKTM (SCU) HKTM DATA SELECTION DATA SELECTION DATA PROCESSING DATA PROCESSING N1 PRODUCT N1 PRODUCT N2A PRODUCT N2A PRODUCT DATA GENERATION : DATA GENERATION : 10 S BOLOMETRIC DATA 10 S BOLOMETRIC DATA • • 3 MN TSI DATA 3 MN TSI DATA • • DATA TRANSFORMATION DATA TRANSFORMATION • • CONVERTION BINARY CONVERTION BINARY – – ASCII ASCII • • FOR VISUALIZATION FOR VISUALIZATION N1P PRODUCT N1P PRODUCT SOVAP ALGORITHM
PREMOS N0 PREMOS N0 PRODUCTS PRODUCTS CONVERSION TO ELECTRICAL VALUES SPI, TSI AND HK SOVAP N2 PRODUCT N1 PRODUCTS DATA ANALISYS ORBITAL FILE COMPARISON TSI PREMOS - SOVAP INSTRUMENTAL FILE SPI( [ ] ) / SPI( 782 NM ) l l SPI( [ ] ) / TSI N2A PRODUCT N2A PRODUCTS • • • Processing Block Processing Block Processing Block Parameter inputs Parameter inputs Parameter inputs PREMOS ALGORITHM CONVERSION TO PHYSICAL VALUES SPI, TSI AND HK
N0 DATA PROCESSING Os Msq L • RECONSTRUCTED LIMBS AFTER DECOMPRESSION • DECOMPRESSION of FULL SOLAR IMAGES No further data processing's are needed for creating appropriate products
N0P DATA PROCESSING -I- • QUICK LOOK ON DAILY DARK SIGNAL IMAGES • Mean and standard deviation of dark signal image CO • Number of “bad” pixels (Nb)
N0P DATA PROCESSING -II- • QUICK LOOK ON DARK SIGNAL AND SCATTERED LIGHT SAMPLES Mean and standard deviation for each sample of - dark signal (SCO) - scattered light (SLP)
N1 DATA PROCESSING -I- • SOLAR LIMB AND FULL IMAGE CALIBRATION • SOLAR MACROPIXEL IMAGE CALIBRATION
EI HI N1 DATA PROCESSING -II- • SCALE FACTOR SF
N1P DATA PROCESSING -I- • IMAGE ANALYSIS : COMPARISON WITH SOLSPEC and PREMOS DATA • IMAGE ANALYSIS : CENTER AND PHOTOCENTER OF SOLAR IMAGES Geometrical image center and photocenter of each full solar image are calculated considering a circle fit through some image inflexion points and pixel image intensities greater than a given threshold.
N1P DATA PROCESSING -II- HELIOSEISMOLOGY MONITORING OF LIMB INTENSITY MONITORING OF MACROPIXEL PHOTOMETRY ℓ- DIAGRAM DIAGNOSTIC They will be presented by Catherine RENAUD
N2A DATA PROCESSING -I- • DAILY MEAN SOLAR RADIUS • LIMB FILTERING (1) will be used in case of low noise in limb images while (2) in the others cases. T(.) denotes non linear filtering asking for use of special processing methods
The diameter is obtained from 2 inflexion point positions of radial cuts of the filtered limb image Polar and Equatorial radial cuts of a limb image give access to 4 inflexions point position values They are used to estimate the mean solar diameter of the limb image rp1 re1 re2 Equatorial cut (Xp,Yp) rp2 N2A DATA PROCESSING -II- • DAILY MEAN SOLAR RADIUS • MEAN SOLAR RADIUS Polar cut
DAILY MEAN SOLAR RADIUS N2A DATA PROCESSING -III-
N2A DATA PROCESSING -IV- • DAILY MEAN SOLAR RADIUS • NOISE AFFECTING MEAN SOLAR RADIUS • SOLAR RADIUS VARIATION
PRODUCTS : FILENAME Filename : PIC_<INS>_<LEVEL>[_<MODE>]_<TYPE>[_<ID>]_<DATE>_<VER>.<EXT> Example : PIC_SOD_N0_MTE_HL_WL535_ 20071121_1400_v01.fits Mission : PICARD Instrument : SODISM Level processing : N0 Observation mode : MNM, DCO, MAB, MNT, MDO, MES, MTE Data type : HL (Narrow limb) Picard identifier : WL535 (535nm wavelength) Date of acquisition (YYYYMMDD_HHMM) : 20071121_1400 File release : v01 Extension : fits (or fits.gz)
PRODUCTS : FORMAT • File format : FITS (Flexible Image Transport System) or TXT (SOVAP, N0 PREMOS) • A FITS file iscomposedwith 1 or several HDU (Header + Data) units. • Kind of PPDC Data • Simple images (Header + data image) • Full CCD images : 2048x2048 pixels (or 2060x2053 withoverscans) • Solarlimbs : 2048x2048 pixels • Dark signal windows : 256x256 pixels • Macropixels Images : 256x256 pixels • Multi-FITS images • Samples images extractedfromlimbs are in HDU’s • Data tables • Values obtainedfrom quick looks or data analysis are in tables
PRODUCTS : FITS HEADER • General information and usedabbreviations • COMMENT**************************************************** • COMMENT--- General Information --- • FILENAME= 'PIC_SOD_N1_HL_WL535_20091223_1431_v01.fits' / File name • AUTHOR= 'LATMOS ' / Responsibleinstitute of Processing • REVISION= 'v01 ' / File revisionnumber • DATE= '2008-11-27T16:33:49' / file creation date (YYYY-MM-DDThh:mm:ss UT) • ORIGIN= 'CMS-P ' / Origin of the data file • INSTRUME= 'PICARD ' / Instrument • TELESCOP= 'SODISM ' / Telescope • DATE-OBS= '2009-12-23T14:31:00.000' / Date of start image exposure • COMMENT**************************************************** • COMMENT--- UsedAbbreviations --- • COMMENTnc = non-calibrated • COMMENTAU = AstronomicalUnits • COMMENTpx = pixels • COMMENT[0-index px] = Pixel index originis 0 • COMMENT[1-index px] = Pixel index originis 1 • COMMENTfrac px = Fractionnal pixel index • COMMENTDeg = degrees • COMMENTStd = Standard deviation • COMMENTMax = Maximum • COMMENT****************************************************
PRODUCTS : FITS HEADER • Housekeeping • COMMENT--- MechanismStatus • MES_TPS= 'GOOD ' / Measurequality of the shutterblade times • TPSOUVV1= 814.6693 / [s] Opening time of the 1st shutterblade • TPSFERV1= 814.6693 / [s] Closing time of the 1st shutterblade • … • NPRAZRF2= -124 / Wheel 2 : difference of stepsfrom the origin • COMMENT • COMMENT--- Thermal Servitude • MODECCD= 'NOMINAL ' / Thermal card mode • TEMP01= 68.77077 / [Deg] Sensor 1 : Primarymirror M1 • TEMP02= 67.33517 / [Deg] Sensor 2 : Cupro plate / radiative M1 • … • COMMENT--- CCD Servitude • T_VOD= 24.6509 / [V] CCD VOD voltage • … • COMMENT • COMMENT--- Pointing Servitude • POINTAGE= 'ON ' / EPS card mode • PIEZO_WR= 'NOMINAL ' / Piezosworking range duringexposure • TPS_POSE= 64352 / [ms] Piezosworking time duringexposure • P3= 1.344706E-05 / [A] Meansolar flux on the 4 photodiodes • P1X = 6800.241 / [arcsec2] Std of X-axis correction signal • … • COMMENT
PRODUCTS : FITS HEADER • Image parameters • COMMENT--- Image Parameters • OBS_MODE= 'MNM ' / Nominal mode • OBS_TYPE= 'HL ' / Narrowlimb • LEVEL= 'N1 ' / Processinglevel • LAMBDA= 535.75 / [nm] Wavelenght (0 if unknown) • CADENCE= 120 / [s] Sampling time • COMPRESS= 'PLLC ' / Lossless data compression • … • EXPOSURE= 1.01 / [s] Exposure time • … • LOST_PQT= 0 / Incomplete image indicator (missingpackets) • … • E_LIMBE= 22 / [px] Thickness of the limbmask • IMSQ= 25 / Number of the limbmask • IM_SCALE= 1.06 / [arcsec] Pixel size • SCALE_F= 2046.37 / [px] Geometrical distance reference • NOIMAGE= F / Absence of the Sun on the CCD • NOFULL= F / Truncatedsolar image on the CCD • XCENTER= 940.5128 / [frac px] Center of the Sun image abscissa • YCENTER= 986.4594 / [frac px] Center of the Sun image ordinate • R_SUN= 923.8931 / [px] Apparent radius of the Sun image • NEGPXNBR= 17959 / Number of px withnegativeintensities • … • COMMENT
PRODUCTS : FITS HEADER Auxiliary image coordinates and calibration information : COMMENT**************************************************** COMMENT--- Coordinates of auxiliary images COMMENTEI1 = { ( 175,1681); ( 246,1752); ( 262,1736); ( 191,1665) } COMMENTEI2 = { (1636,1753); (1707,1682); (1691,1666); (1620,1737) } COMMENTEI3 = { (1620, 236); (1691, 307); (1707, 291); (1636, 220) } COMMENTEI4 = { ( 190, 307); ( 261, 236); ( 245, 220); ( 174, 291) } COMMENT COMMENT--- Calibration information REV_IN='v01 ' / Product input version FILE_CO='PIC_SOD_N1_CO_20080124_0000_v01.fits' FILE_LCO='PIC_SOD_N0_LCO_20091223_1705_v01.fits' FILE_FFL='PIC_SOD_N1_FFL_WL535_20080124_0000_v01.fits' XMLFILE1='CONFIGURATION_20081002.xml' / File used to calibrate image XMLFILE2='CONFIGURATION_20081002.xml' / File used to calibrate HKTM RPLCO_CO= 1.976285 / Mean ratio between LCO and CO pixel intensities DARK_LCO='NOMINAL ' / Limbdark signal level USE_LCO= F / Indicator of darkcurrent file RPSCO_CO= 1.980945 / Mean ratio between SCO and CO pixel intensities DARK_SCO='NOMINAL ' / Dark signal level WLCALFIL='WL535HL ' / Wavelengthfilterused for Calibration CALFAC= 0.7264 / Calibration coefficient : ADU to mW/m2/nm D_LAMBDA= 0.5 / [nm] Wavelengthfilterbandwidth COMMENT
PRODUCTS : FITS HEADER Satellite and Sun data - History COMMENT--- Satellite position OBS_LON= 269.4971 / [Deg] Satellite longitude (positive Eastwards) OBS_LAT= 3.958945 / [Deg] Satellite latitude (positive Northwards) OBS_ALT= 7108.262 / [km] Satellite altitude fromEarth center DSUN= 0.9836353 / [AU] Satellite-Sun Distance LOS_ALT= 725.8525 / [km] Line of sight altitude EAP_IND= 1 / Earth'satmostphere position index COMMENT COMMENT--- Solar data EARTH_D= 0.9836336 / [AU] Earth-Sun Distance EARTH_CR= 2092 / Heliographic rotation number for EARTH_L0 EARTH_B0= -2.01064 / [Deg] Heliographic Latitude of Earth center EARTH_L0= 143.6399 / [Deg] Heliographic Longitude of Earth center OBS_CR= 2092 / Carrington rotation number for OBS_L0 OBS_B0= -2.01064 / [Deg] Heliographic Latitude of the observer OBS_L0= 143.6399 / [Deg] Heliographic Longitude of the observer SOLAR_P= 6.15484 / [Deg] Position angle of the solarnorth pole SEMIDIAM= 0.00473 / [rad] Semi-diameter in radians P_ANGLE= 0.63042 / [Deg] Location of the solarnorth pole on CCD COMMENT COMMENT--- Quality index INDQ= 27 / Product quality index (lower values means good) CODE_HK= '11110111111111111111111001111100' / Quality index binary code COMMENT HISTORYParametre_Entete_N1.exe (v0.9) -xml TM.xml -out PIC_SOD_N0 -v 1 -in TM_H HISTORYL.bin
Example : Narrow Limb 1/6 SIMPLE = T / file does conform to FITS standard BITPIX = -32 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 2048 / length of data axis 1 NAXIS2 = 2048 / length of data axis 2 EXTEND = T / FITS dataset may contain extensions COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H BUNIT = 'mW/m2/nm' / Physical units COMMENT Physical pixel values are given for 1 second COMMENT COMMENT --- General Information FILENAME= 'PIC_SOD_N1_HL_WL535_20091223_1431_v01.fits' / File name AUTHOR = 'LATMOS ' / Responsible institute of Processing REVISION= 'v01 ' / File revision number DATE = '2008-11-27T16:33:49' / file creation date (YYYY-MM-DDThh:mm:ss UT) ORIGIN = 'CMS-P ' / Origin of the data file INSTRUME= 'PICARD ' / Instrument TELESCOP= 'SODISM ' / Telescope DATE-OBS= '2009-12-23T14:31:00.000' / Date of start image exposure COMMENT **************************************************** COMMENT --- Used Abbreviations --- COMMENT nc = non-calibrated COMMENT AU = Astronomical Units COMMENT px = pixels COMMENT [0-index px] = Pixel index origin is 0 COMMENT [1-index px] = Pixel index origin is 1 COMMENT frac px = Fractionnal pixel index COMMENT Deg = degrees COMMENT Std = Standard deviation COMMENT Max = Maximum COMMENT **************************************************** COMMENT
Narrow Limb 2/6 COMMENT --- Mechanism Status MES_TPS = 'GOOD ' / Measure quality of the shutter blade times TPSOUVV1= 814.6693 / [s] Opening time of the 1st shutter blade TPSFERV1= 814.6693 / [s] Closing time of the 1st shutter blade TPSOUVV2= 814.6693 / [s] Opening time of the 2nd shutter blade TPSFERV2= 814.6693 / [s] Closing time of the 2nd shutter blade IND_RBD = 1 / Indicator of rebound (=1) TARBD1V1= 814.6693 / [s] Blade 1 : 1st rebound appearance time TDRBD1V1= 814.6693 / [s] Blade 1 : 1st rebound disappearance time TARBD2V1= 814.6693 / [s] Blade 1 : 2nd rebound appearance time TDRBD2V1= 814.6693 / [s] Blade 1 : 2nd rebound disappearance time TARBD1V2= 814.6693 / [s] Blade 2 : 1st rebound appearance time TDRBD1V2= 814.6693 / [s] Blade 2 : 1st rebound disappearance time TARBD2V2= 814.6693 / [s] Blade 2 : 2nd rebound appearance time TDRBD2V2= 814.6693 / [s] Blade 2 : 2nd rebound disappearance time NPRAZRF1= -124 / Wheel 1 : difference of steps from the origin NPRAZRF2= -124 / Wheel 2 : difference of steps from the origin COMMENT COMMENT --- Thermal Servitude MODECCD = 'NOMINAL ' / Thermal card mode TEMP01 = 68.77077 / [Deg] Sensor 1 : Primary mirror M1 TEMP02 = 67.33517 / [Deg] Sensor 2 : Cupro plate / radiative M1 TEMP03 = 68.77077 / [Deg] Sensor 3 : Mirror M2 / Face +Z TEMP04 = 68.77077 / [Deg] Sensor 4 : Mirror M2 / Face -Z … … TEMP46 = 68.77077 / [Deg] Sensor 46 : Thermal electr. control (ETH) TEMP47 = 68.77077 / [Deg] Sensor 47 : Thermal electr. control (ETH) VREF15V = 14.72415 / [V] Value of the reference voltage +15v VREFM15V= -14.81361 / [V] Value of the reference voltage -15v VREF20C = 67.33517 / [Deg] 20 deg reference temperature VREFM40C= 67.33517 / [Deg] -40 deg reference temperature COMMENT
Narrow Limb 3/6 COMMENT --- CCD Servitude T_VOD = 24.6509 / [V] CCD VOD voltage T_VOGL = 6.361524 / [V] CCD VOGL voltage T_TVGM = 31.80762 / [V] Mean value of the left video signal T_TVDM = 31.80762 / [V] Mean value of the right video signal OFFSET_D= 64352 / [ADU] Mean value of the right channel offset OFFSET_G= 64352 / [ADU] Mean value of the left channel offset BRUIT_D = 64352 / [ADU] Std of right channel offset BRUIT_G = 64352 / [ADU] Std of left channel offset COMMENT COMMENT --- Pointing Servitude POINTAGE= 'ON ' / EPS card mode PIEZO_WR= 'NOMINAL ' / Piezos working range during exposure TPS_POSE= 64352 / [ms] Piezos working time during exposure P3 = 1.344706E-05 / [A] Mean solar flux on the 4 photodiodes P1X = 6800.241 / [arcsec2] Std of X-axis correction signal P1Y = 6800.241 / [arcsec2] Std of Y-axis correction signal P2X = 13.39412 / [arcsec] Max amplitude of X correction signal P2Y = 13.39412 / [arcsec] Max amplitude of Y correction signal P5X = 1805.311 / [arcsec] X mean position mirror during exposure P5Y = -1924.116 / [arcsec] Y mean position mirror during exposure P4 = 3.984314E-05 / [m] Mean displacement position of M1 mirror COMMENT COMMENT --- Image Parameters OBS_MODE= 'MNM ' / Nominal mode OBS_TYPE= 'HL ' / Narrow limb LEVEL = 'N1 ' / Processing level LAMBDA = 535.75 / [nm] Wavelenght (0 if unknown) CADENCE = 120 / [s] Sampling time COMPRESS= 'PLLC ' / Lossless data compression NMSB = 10 / Parameter used for PLLC compression
Narrow Limb 4/6 IMG_DIV = T / Original data coded with 15 (T) or 16 (F) bits CONS_EXP= 1. / [s] Exposure time command EXPOSURE= 1.01 / [s] Exposure time CONS_PF1= 0 / Step number command for filter wheel 1 CONS_PF2= 0 / Step number command for filter wheel 2 LOST_PQT= 0 / Incomplete image indicator (missing packets) OVERSCAN= F / Indicator of overscans in image ICOL_C = 941 / [1-index px] Mask center abscissa ILIG_C = 987 / [1-index px] Mask center ordinate ICOL_LP = 1015 / [1-index px] Light scattered sample abscissa ILIG_LP = 1015 / [1-index px] Light scattered sample ordinate RI_LIMBE= 913 / [px] Internal radius of the limb mask E_LIMBE = 22 / [px] Thickness of the limb mask IMSQ = 25 / Number of the limb mask IM_SCALE= 1.06 / [arcsec] Pixel size SCALE_F = 2046.37 / [px] Geometrical distance reference NOIMAGE = F / Absence of the Sun on the CCD NOFULL = F / Truncated solar image on the CCD XCENTER = 940.5128 / [frac px] Center of the Sun image abscissa YCENTER = 986.4594 / [frac px] Center of the Sun image ordinate R_SUN = 923.8931 / [px] Apparent radius of the Sun image NEGPXNBR= 17959 / Number of px with negative intensities COMMENT NBCOL_CCD = 2048 / [px] CCD image width (2060 with overscan) COMMENT NBLIG_CCD = 2048 / [px] CCD image height (2053 with overscan) COMMENT NBCOL_TEMOIN_LP = 20 / [px] Light scattered sample width COMMENT NBLIG_TEMOIN_LP = 100 / [px] Light scattered sample height COMMENT NBCOL_TEMOIN_CO = 20 / [px] Dark signal sample width COMMENT NBLIG_TEMOIN_CO = 20 / [px] Dark signal sample height NIM_EI = 4 / Number of auxiliary images COMMENT
Narrow Limb 5/6 COMMENT --- Coordinates of auxiliary images COMMENT EI1 = { ( 175,1681); ( 246,1752); ( 262,1736); ( 191,1665) } COMMENT EI2 = { (1636,1753); (1707,1682); (1691,1666); (1620,1737) } COMMENT EI3 = { (1620, 236); (1691, 307); (1707, 291); (1636, 220) } COMMENT EI4 = { ( 190, 307); ( 261, 236); ( 245, 220); ( 174, 291) } COMMENT COMMENT --- Calibration information REV_IN = 'v01 ' / Product input version FILE_CO = 'PIC_SOD_N1_CO_20080124_0000_v01.fits' FILE_LCO= 'PIC_SOD_N0_LCO_20091223_1705_v01.fits' FILE_FFL= 'PIC_SOD_N1_FFL_WL535_20080124_0000_v01.fits' XMLFILE1= 'CONFIGURATION_20081002.xml' / File used to calibrate image XMLFILE2= 'CONFIGURATION_20081002.xml' / File used to calibrate HKTM RPLCO_CO= 1.976285 / Mean ratio between LCO and CO pixel intensities DARK_LCO= 'NOMINAL ' / Limb dark signal level USE_LCO = F / Indicator of dark current file RPSCO_CO= 1.980945 / Mean ratio between SCO and CO pixel intensities DARK_SCO= 'NOMINAL ' / Dark signal level WLCALFIL= 'WL535HL ' / Wavelength filter used for Calibration CALFAC = 0.7264 / Calibration coefficient : ADU to mW/m2/nm D_LAMBDA= 0.5 / [nm] Wavelength filter bandwidth COMMENT COMMENT --- Satellite position OBS_LON = 269.4971 / [Deg] Satellite longitude (positive Eastwards) OBS_LAT = 3.958945 / [Deg] Satellite latitude (positive Northwards) OBS_ALT = 7108.262 / [km] Satellite altitude from Earth center DSUN = 0.9836353 / [AU] Satellite-Sun Distance LOS_ALT = 725.8525 / [km] Line of sight altitude EAP_IND = 1 / Earth's atmostphere position index COMMENT
Narrow Limb 6/6 COMMENT --- Solar data EARTH_D = 0.9836336 / [AU] Earth-Sun Distance EARTH_CR= 2092 / Heliographic rotation number for EARTH_L0 EARTH_B0= -2.01064 / [Deg] Heliographic Latitude of Earth center EARTH_L0= 143.6399 / [Deg] Heliographic Longitude of Earth center OBS_CR = 2092 / Carrington rotation number for OBS_L0 OBS_B0 = -2.01064 / [Deg] Heliographic Latitude of the observer OBS_L0 = 143.6399 / [Deg] Heliographic Longitude of the observer SOLAR_P = 6.15484 / [Deg] Position angle of the solar north pole SEMIDIAM= 0.00473 / [rad] Semi-diameter in radians P_ANGLE = -0.13042 / [Deg] Location of the solar north pole on CCD COMMENT COMMENT --- Quality index INDQ = 27 / Product quality index (lower values means good) CODE_HK = '11110111111111111111111001111100' / Quality index binary code COMMENT HISTORY Parametre_Entete_N0.exe (v0.9) -xml TM.xml -out PIC_SOD_N0 -v 1 -in TM_H HISTORY L.bin HISTORY HISTORY Etalonnage_Limbe.exe (v1.0) -in PIC_SOD_N0_HL_WL535_20091223_1431_v01.fi HISTORY ts -ffl PIC_SOD_N1_FFL_WL535_20080124_0000_v01.fits -co PIC_SOD_N1_CO_20 HISTORY 080124_0000_v01.fits -lco PIC_SOD_N0_LCO_20091223_1705_v01.fits -msq msq HISTORY _limbe_20091223_HL00025.fits.gz -bad PIC_SOD_MSQ_CO_20091222_1800_v01.fi HISTORY ts.gz -imcce IMCCE_EARTH_20091223.txt -orbite DETERMINATED_ORBIT_PIC_200 HISTORY 91223_20091223_J2000 -xml CONFIGURATION_20081002.xml -out PIC_SOD_N1 HISTORY HISTORY Parametre_Entete_N1.exe (v1.0) -in PIC_SOD_N1_HL_WL535_20091223_1431_TMP HISTORY .fits -imcce IMCCE_SAT_2009_12_23.txt -att PIC_ORBITAL_FILE_20091223.txt HISTORY -fe PIC_SOD_N1_FE_20091223_v01.fits -tf BDS_PICARD.tcl -xml CONFIGURATI HISTORY ON_20081002.xml -out PIC_SOD_N1 -v 1 END