1 Abdanour Irbah – 3/4 December 2008 – NICE DATA PROCESSING AT PICARD PAYLOAD DATA CENTRE (PPDC) PPDC PRODUCTS Abdanour IRBAH SA / CNRS

1Abdanour Irbah – 3/4 December 2008 – NICE

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

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)


Solar limbs

SODISM DATA -II-

Samples of the whole SODISM image are extracted and present with limbsThese samples are used to follow instrument behavior on orbit

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


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 : Spectral and 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 dataUSEFUL DATA : SOLAR IMAGES FROM GROUND BASED OBSERVATORIES

(SODISM II, MISOLFA …), SATELLITE ORBIT DATA …


II – ONBOARD DATA PROCESSING


ONBOARD SODISM DATA PROCESSING -I-

LIMB AND DEFINED IMAGE SAMPLES EXTRACTION

pixels

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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

pixels

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pixels

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Extracted solar limb (L(M)) … and its transformation (Os(M))


ONBOARD SODISM DATA PROCESSING -III-

Whole Image I(M) Macropixel Image IMP(M) (64 x 64 pixels)

MACROPIXEL IMAGE

LIMB , MACROPIXEL AND FULL IMAGE COMPRESSIONTwo kinds of compression data :

- Non destructive for transformed limbs, macropixel and some images- Destructive for full solar images but does not affect scientific objectives


III - DATA PROCESSING ORGANIGRAMS


DATA PACKET PROCESSINGS

DATA PACKETS

SODISM N0 PRODUCTS

ECLIPSE, ABSOPTION, MODES : NOMINAL, DARK SIGNAL, STELLAR,

OPTICAL DISTORTION

PREMOS N0 PRODUCTS

SOVAP N0 PRODUCTS

• UNZIPPING DATA• RESTORING LIMBS• EXTRACTING AND RESTORING SAMPLE IMAGES

• Data processing


SODISM N0 PRODUCTS

(NOMINAL & DARK SIGNAL MODES)

DARK SIGNAL IMAGESSCATERRED LIGHT SAMPLE PRODUCTS

DARK SIGNAL SAMPLE PRODUCTS

N0P PRODUCT N0P_SLP

N0P PRODUCT

N0P_SCO

THRESHOLD

• Data processing

Input parameters

N0P PRODUCT (N0P_CO,

BAD PIXEL MASK)

IMAGE ANALYSIS : MEAN & STANDARD DEVIATION


SODISM N0 PRODUCTS

LIMBS (22 and 40 pixels wide) FULL SOLAR IMAGESMACROPIXEL IMAGES

LIMBSN1_HL_WL535

LIMBSN1_DL_WL[]

FULL IMAGEN1_RS_WL[]

CALIBRATIONN0 DARK SIGNAL LIMB

SODISM CALIBRATION DATA

(N1_CO , N1_FFL[])

• Data processing

Input parametersCT-SA

AUXILIARY IMAGESN1_SEI

AUXILIARY IMAGE EXTRACTION (EI)MASK

MACROPIXEL IMAGEN1_HMP_WL535


NOMINAL MODE : N1 PRODUCTS ( FULL & AUXILIARY IMAGES , LIMBS)

FULL IMAGES(N1_RS_WL[])

LIMBS(N1_HL_WL535, N1_DL_WL[])

MASKSOLSPEC DATA

N2A PREMOS

N1P PRODUCTS(N1P_RS_WL[])

ORBITAL FILE

N2A PRODUCTS(N2A_HL_RaySolMoy,N2A_DL_RaySolMoy)

N2A PRODUCTS(N2A_HL_VARIATION)

AUXILIARY IMAGES(N1_SEI)

N1P PRODUCTS (N1_FE)

SES DATAMASK

• Data processing

Input parameters

INTENSITY IMAGE

DIAMETER : DAILY MEAN VARIATION

SCALE FACTOR

MEAN SOLAR DIAMETER

ORBITAL FILE


PHOTOMETRYLIMBS

LIMB WIDTH

SECTORS

N1 PRODUCTS N1_HL_WL535_PHOT_<J>

<J> = (JJ-14) à JJ

N1 PRODUCTS N1_HMP_WL535_PHOT_<J>

<J> = (JJ-14) à JJ

LMINLMAX

YLM

N1P PRODUCTS N1P_HL_WL535_DS_CTOT_<JJ-14>_<JJ>

N1 PRODUCTS N1_HMP_WL535_PHOTLM_<J>

<J> = (JJ-2) à JJ

N1P PRODUCTS N1P_HMP_WL535_LNU_MAV_<JJ-2>_<JJ>

N1P PRODUCTS N1P_HMP_WL535_DS_MPTOT_<JJ-14>_<JJ>

POWER SPECTRUM

PHOTOMETRYMACROPIXEL

POWER SPECTRUM LNU

DIAGRAM

Data processing

Input parameters

• NOMINAL MODE : N1 PRODUCTS MACROPIXEL IMAGES , LIMBS)



LIMBN1_HL_WL535


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 ALGORITHM

N1 PRODUCT

CALIBRATIONCALIBRATION FILE

HKTM (SCU)

• DATA TRANSFORMATION• CONVERTION BINARY – ASCIIFOR VISUALIZATION

N1P PRODUCT

• Processing Block Parameter inputs

SOVAP N0 PRODUCTS

N2A PRODUCT

DATA SELECTION

DATA PROCESSING

DATA GENERATION :• 10 S BOLOMETRIC DATA• 3 MN TSI DATA

ORBITAL FILE INSTRUMENTAL FILE

N1 PRODUCT

CALIBRATIONCALIBRATION FILE

HKTM

• DATA TRANSFORMATION• CONVERTION BINARY – ASCIIFOR VISUALIZATION

N1P PRODUCT



SOVAP N0 PRODUCTS

N2A PRODUCT

DATA SELECTION

DATA PROCESSING

DATA GENERATION :• 10 S BOLOMETRIC DATA• 3 MN TSI DATA

ORBITAL FILE INSTRUMENTAL FILE


PREMOS ALGORITHM

N1 PRODUCTS

N2A PRODUCT• Processing Block

Parameter inputs

PREMOS N0 PRODUCTS

ORBITAL FILE

INSTRUMENTAL FILE

SOVAP N2 PRODUCT

CONVERSION TO ELECTRICAL VALUES

SPI, TSI AND HK

• Processing Block

Parameter inputs

• Processing Block

Parameter inputs

PREMOS N0 PRODUCTS

N2A PRODUCTS

DATA ANALISYS

COMPARISON TSI PREMOS - SOVAP

SPI( [ ] ) / SPI( 782 NM )SPI( [ ] ) / TSI

CONVERSION TO PHYSICAL VALUES

SPI, TSI AND HK


IV – SODISM DATA PROCESSING


N0 DATA PROCESSING

No further data processing's are needed for creating appropriate products

RECONSTRUCTED LIMBS AFTER DECOMPRESSION

DECOMPRESSION of FULL SOLAR IMAGES

pixels

pixe

ls

100 200 300 400 500

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pixels

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Os Msq L


N0P DATA PROCESSING -I- QUICK LOOK ON DAILY DARK SIGNAL IMAGES

threshold)CO( where , , MNb MMaskNbmCO COCO )(

Mean and standard deviation of dark signal image CO

Number of “bad” pixels (Nb)

0 200 400 600 800 1000 12000

20

40

60

80

100

Time (DAY)

Ba

d p

ixe

l n

um

be

r

CCD BAD PIXEL NUMBER


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)

0 500 1000 15000

0.5

1

1.5

Time (mn)

mea

n (

AD

U)

MEAN OF DARK SIGNAL MARKER IMAGES


N1 DATA PROCESSING -I-

)()( )( )()()(

1), : ),

/ )(

are and

lyrespective are and

])()([ ),( )()(

])()([ ),( )()(

or : limbsFor signal.dark CCD theis

images fieldflat from obtainedmatrix gain CCD theis

in ADU transformtogthat wavelenfactor n calibratio theis

ones calibrated the

image and limbsolar the

where

where

2

MLCOMNMMsqMCOMNMN

MG(λMG(

nmmW/m

Lc(M)Lc(M)

I(M)L(M)

M(x,y)MMNMIMGMIc

M(x,y)MMNMLMGMLc

SOLAR LIMB AND FULL IMAGE CALIBRATION

SOLAR MACROPIXEL IMAGE CALIBRATION

images and using onboard image macropixel as way same the

in calculated are image signaldark and matrix gain The

one. calibrated the and image macropixel theis

where

)( ),(

)(),(

])()([ ),( )()(

MNMG

MNMG

(M)c(M)I

M(x,y)MMNMIMGMIc

MPMP

MPMP

MPMPMPMP

I


N1 DATA PROCESSING -II-

SCALE FACTOR

pixels

pixe

ls

500 1000 1500 2000

200

400

600

800

1000

1200

1400

1600

1800

2000 EI

HI

mas few a ofaccuracy an with

obtained is that show sSimulation

EI. image theoffunction

ation autocorrel theof maximum the-

and images HI and EI offunction

lation intercorre theof maximum the-

:between computing

by obtained is Factor Scale The

SF

SF

distance theSF


N1P DATA PROCESSING -I-

experiment SOLSPEC thefrom incommingdata spectrumsolar are ][

products) (N2A experiment PREMOS thefromdata irradiance spectral are ][

gthat wavelen recorded imageSODISM ofintensity pixel mean theis

782 and 607 ,535 393, ,215 where][

][

782 and 607 ,535 ,215 where ][

][

2

1

SOLSPEC

SPI

SIC

nmSOLSPEC

SICQ

nmSPI

SICQ

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

*

)2( )(),(

)1( )(*)()(

theof :

filteringafter and before limbsly respective areand

filter response spatial theand opération nconvolutio thedenote and

where

:image limb theinpresent noise reduce toneed nscalculatio derivative Second

2,1

2

1

F

F

LcLc

(M)F

M(x,y)MMFMLcT

MFMLcMLc

function darkening limbposition point inflexiondefinition radius Solar

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


N2A DATA PROCESSING -II-

DAILY MEAN SOLAR RADIUS MEAN SOLAR

RADIUSThe diameter is obtained from 2 inflexion point positions of radial cuts of the

filtered limb image )(MLcF

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 mr

Polar cut 21212

1ppee rrrrmr pixels

pixe

ls

500 1000 1500 2000

200

400

600

800

1000

1200

1400

1600

1800

2000

Equatorial cut

rp1

re1

rp2

re2

(Xp,Yp)


N2A DATA PROCESSING -III-

motion.Earth seasonal todue variationsapparent has

period over the averagemean a denotes where

:day 1 of limbs from calculated from deduced is

)( 1

dmr

Ttmrdmr

mrdmr

TdayT

radius solar meanaily D


0 50 100 150 200 250 300 350 400860

870

880

890

900

910

920

930

940

Time (DAY)

dm

r (a

rcs

ec

on

ds

)

DAILY MEAN SOLAR DIAMETER


N2A DATA PROCESSING -IV-

2,1or where

and

:are for deviation standard andposition mean Daily

:by estimated is affecting noise The

,

)()(

)(

2

1

2

kkekPP

TPPPdayTPP

Tdmr

rrr

drtrtrdr

dmrtmrσdmr

point inflexion

NOISE AFFECTING MEAN SOLAR RADIUS

SOLAR RADIUS VARIATION

data) (IMCCE variations ltheoretica expected to compared be will

day given a to scorrespond where

: is other today one from variations

-

Vdmr

JJtmrtmrVdmr

dmr

JJTJJT 1)()(



IV – PPDC SODISM PRODUCTS


PRODUCTS : FILENAME

Filename :

PIC_<INS>_<LEVEL>[_<MODE>]_<TYPE>[_<ID>]_<DATE>_<VER>.<EXT>

Example : PIC_SOD_N0_MTE_HL_WL535_ 20071121_1400_v01.fitsMission : 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 is composed with 1 or several HDU (Header + Data) units.

Kind of PPDC Data Simple images (Header + data image)

– Full CCD images : 2048x2048 pixels (or 2060x2053 with overscans)– Solar limbs : 2048x2048 pixels – Dark signal windows : 256x256 pixels– Macropixels Images : 256x256 pixels

Multi-FITS images– Samples images extracted from limbs are in HDU’s

Data tables– Values obtained from quick looks or data analysis are in tables


PRODUCTS : FITS HEADER

General information and used abbreviations 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 ****************************************************


PRODUCTS : FITS HEADERHousekeeping 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 …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 …COMMENT --- CCD Servitude T_VOD = 24.6509 / [V] CCD VOD voltage …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 …COMMENT


PRODUCTS : FITS HEADERImage parameters COMMENT --- Image Parameters OBS_MODE= 'MNM ' / Nominal mode OBS_TYPE= 'HL ' / Narrow limb LEVEL = 'N1 ' / Processing levelLAMBDA = 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 (missing packets) …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


PRODUCTS : FITS HEADERAuxiliary image coordinates and calibration information : COMMENT ****************************************************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 intensitiesDARK_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 intensitiesDARK_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


PRODUCTS : FITS HEADERSatellite 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 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 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 = 0.63042 / [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_N1.exe (v0.9) -xml TM.xml -out PIC_SOD_N0 -v 1 -in TM_HHISTORY L.bin


Example : Narrow Limb 1/6SIMPLE = 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 'AstronomyCOMMENT 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 2/6COMMENT --- 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 3/6COMMENT --- 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 exposureP5Y = -1924.116 / [arcsec] Y mean position mirror during exposureP4 = 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 levelLAMBDA = 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 4/6IMG_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 5/6COMMENT --- 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 intensitiesDARK_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 intensitiesDARK_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 6/6COMMENT --- 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_HHISTORY L.bin HISTORY HISTORY Etalonnage_Limbe.exe (v1.0) -in PIC_SOD_N0_HL_WL535_20091223_1431_v01.fiHISTORY ts -ffl PIC_SOD_N1_FFL_WL535_20080124_0000_v01.fits -co PIC_SOD_N1_CO_20HISTORY 080124_0000_v01.fits -lco PIC_SOD_N0_LCO_20091223_1705_v01.fits -msq msqHISTORY _limbe_20091223_HL00025.fits.gz -bad PIC_SOD_MSQ_CO_20091222_1800_v01.fiHISTORY ts.gz -imcce IMCCE_EARTH_20091223.txt -orbite DETERMINATED_ORBIT_PIC_200HISTORY 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_TMPHISTORY .fits -imcce IMCCE_SAT_2009_12_23.txt -att PIC_ORBITAL_FILE_20091223.txtHISTORY -fe PIC_SOD_N1_FE_20091223_v01.fits -tf BDS_PICARD.tcl -xml CONFIGURATIHISTORY ON_20081002.xml -out PIC_SOD_N1 -v 1 END

Documents

1 Abdanour Irbah – 3/4 December 2008 – NICE DATA PROCESSING AT PICARD PAYLOAD DATA CENTRE (PPDC) PPDC PRODUCTS Abdanour IRBAH SA / CNRS