The following example shows the complete primary FITS header corresponding to an LWR, low-dispersion, double aperture RILO. In the case of a single aperture spectral image, the header includes only the corresponding large- or small-aperture set of CDIs.
1 2 3 4 5 6 7 8
12345678901234567890123456789012345678901234567890123456789012345678901234567890
SIMPLE = T / Standard FITS Format
BITPIX = 8 / 8-bit integer pixels
NAXIS = 2 / Two-dimensional image
NAXIS1 = 768 / Dimension along x-axis
NAXIS2 = 768 / Dimension along y-axis
CTYPE1 = 'SAMPLE ' / x-axis
CTYPE2 = 'LINE ' / y-axis
BUNIT = 'DN ' / Data Numbers
TELESCOP= 'IUE ' / International Ultraviolet Explorer
FILENAME= 'LWR05625.RILO' / Filename(camera)(number).RI(disp)
DATE = '15/03/97' / Date file was written
ORIGIN = 'GSFC ' / Institution generating the file
DATAMIN = 0.0 / Minimum pixel value
DATAMAX = 255.0 / Maximum pixel value
COMMENT *
COMMENT * CORE DATA ITEMS - COMMON SET
COMMENT *
CAMERA = 'LWR ' / Camera
IMAGE = 5625 / Sequential image number
DISPERSN= 'LOW ' / Spectrograph dispersion mode
APERTURE= 'BOTH ' / Aperture
DISPTYPE= 'LOW ' / Dispersion processing type
READMODE= 'FULL ' / Read mode
READGAIN= 'LOW ' / Read gain
EXPOGAIN= 'MAXIMUM ' / Exposure gain
UVC-VOLT= -5.0 / UVC voltage
ABNNOSTD= 'NO ' / Non-standard image acquisition
ABNBADSC= 'NO ' / LWP bad scans
ABNHTRWU= 'NO ' / LWR heater warmup
ABNREAD = 'NO ' / Read at other than 20 KB
ABNUVC = 'NO ' / Non-standard UVC voltage
ABNHISTR= 'NO ' / History replay
ABNOTHER= 'NO ' / Other abnormality
THDAREAD= 12.84 / THDA at read of image
EQUINOX = 1950.00 / Epoch of coordinates
STATION = 'GSFC ' / Observing station
ORBEPOCH= '13/09/79' / Orbital elements epoch
ORBSAXIS= 42158.2 / Semi-major axis in kilometers
ORBECCEN= 0.2363013 / Eccentricity
ORBINCLI= 28.324 / Inclination in degrees
ORBASCEN= 195.328 / Ascending node in degrees
ORBPERIG= 269.795 / Argument of perigee in degrees
ORBANOMA= 174.024 / Mean anomaly in degrees
POSANGLE= 136.46 / Pos angle of the large aperture (deg)
LAMP = 'NONE ' / Lamp
PGM-ID = 'CMBBS ' / Program identification
ABNMINFR= 'NO ' / Bad/missing minor frames
ABNMICRO= 'NO ' / Microphonics
CC-PERCN= 97.3 / Cross-correlation % successful
CC-WINDW= 29 / Cross-correlation window size
CC-TEMPL= 23 / Cross-correlation template size
CC-MEDN = 0.807 / Median cross-correlation coefficient
CC-STDEV= 0.134 / St dev of cross-corr coefficients
SHFTMEAN= 0.084 / Mean shift between image and ITF
SHFTMAX = 0.515 / Maximum shift between image and ITF
ITF = 'LWR83R96A' / ITF identification
TILTCORR= 'NO ' / Tilt correction flag
MEANRAT = 1.004 / SI vs LI mean
STDEVRAT= 0.968 / SI vs LI standard deviation
COMMENT BY RA: EXP 1 APER L C=260,B=22
COMMENT BY RA: EXP 2 APER S B=22
COMMENT BY RA: LWR 0-MINUTE HEATER WARMUP
COMMENT BY RA: 0 MISSING MINOR FRAMES NOTED ON SCRIPT
COMMENT BY RA: EXP 1 TRACKED ON GYROS
COMMENT BY RA: EXP 2 TRACKED ON FES
COMMENT BY RA: XS PREP USED
COMMENT *
COMMENT * CORE DATA ITEMS - LARGE APERTURE SET
COMMENT *
LDATEOBS= '19/09/79' / Observing date
LTIMEOBS= '06:46:55' / Observing time
LJD-OBS = 2444135.78258 / Julian Date start of obs.
LEXPTRMD= 'NO-TRAIL' / Trail mode
LEXPMULT= 'NO ' / Multiple exposure mode
LEXPSEGM= 'NO ' / Segmented exposure code
LEXPTIME= 4.789 / Integration time in seconds
LTHDASTR= 12.84 / THDA at start of exposure
LTHDAEND= 12.84 / THDA at end of exposure
LRA = 119.3604 / Homogeneous R.A. in degrees
LDEC = -45.0787 / Homogeneous Dec. in degrees
LLAPSTAT= 'OPEN ' / Large aperture status
LFES2MD = 'FO ' / FES(2) mode
LFES2CN = 13578 / FES(2) counts on target
LTARGET = 'HD 65904' / Object as given by Guest Observer
LTARGRA = 119.3604 / R.A. in degrees (given by GO)
LTARGDEC= -45.0786 / Dec. in degrees (given by GO)
LOBJECT = 'HD 65904' / Homogeneous Object ID
LIUECLAS= 21 / Object class
LFOCUS = -1.08 / Focus
LFPM = 0.44 / Flux particle monitor
LGSTAR2M= 'NO ' / Guide star mode FES2
LJD-MID = 2444135.78261 / Julian Date middle of obs.
LHELCORR= -.00212 / Heliocentric corr to midpoint (days)
LDATABKG= 27 / Estimated mean background level (DNs)
LDATACNT= 255 / Estimated maximum continuum level (DNs)
LCNTRAPR= 51.0 / Predicted center line of spectrum
LXTRMODE= 'POINT ' / Extraction mode
LXTRPROF= 'EMPIRICAL' / Profile used
LXTRASYM= 'NO ' / Asymmetrical profile in extraction
LXTRCNTR= 51.0 / Center line of extracted spectrum
LFLUXAVE= 196.1 / Average flux (FNs)
COMMENT *
COMMENT * CORE DATA ITEMS - SMALL APERTURE SET
COMMENT *
SDATEOBS= '19/09/79' / Observing date
STIMEOBS= '06:57:36' / Observing time
SJD-OBS = 2444135.79000 / Julian Date start of obs.
SEXPTRMD= 'NO-TRAIL' / Trail mode
SEXPMULT= 'NO ' / Multiple exposure mode
SEXPSEGM= 'NO ' / Segmented exposure code
SEXPTIME= 6.837 / Integration time in seconds
STHDASTR= 12.51 / THDA at start of exposure
STHDAEND= 12.84 / THDA at end of exposure
SRA = 119.3604 / Homogeneous R.A. in degrees
SDEC = -45.0787 / Homogeneous Dec. in degrees
SLAPSTAT= 'CLOSED ' / Large aperture status
SFES2MD = 'FO ' / FES(2) mode
SFES2CN = 13704 / FES(2) counts on target
STARGET = 'HD 65904' / Object as given by Guest Observer
STARGRA = 119.3604 / R.A. in degrees (given by GO)
STARGDEC= -45.0786 / Dec. in degrees (given by GO)
SOBJECT = 'HD 65904' / Homogeneous Object ID
SIUECLAS= 21 / Object class
SFOCUS = -1.08 / Focus
SJD-MID = 2444135.79004 / Julian Date middle of obs.
SHELCORR= -.00212 / Heliocentric corr to midpoint (days)
SDATABKG= 27 / Estimated mean background level (DNs)
SDATACNT= 176 / Estimated maximum continuum level (DNs)
SCNTRAPR= 24.6 / Predicted center line of spectrum
SXTRMODE= 'POINT ' / Extraction mode
SXTRPROF= 'EMPIRICAL' / Profile used
SXTRASYM= 'NO ' / Asymmetrical profile in extraction
SXTRCNTR= 24.7 / Center line of extracted spectrum
SFLUXAVE= 132.3 / Average flux (FNs)
COMMENT *
COMMENT * THE IUE VICAR HEADER
COMMENT *
COMMENT IUE-VICAR HEADER START
0001000107680768 1 1 012105625 1 C
1448* 4*IUESOC * * * 12* * * * * * * * * * 2 C
LWR 5625, HD 65904, LOW DISP, SM 7 SEC, LG 5 SEC, US1 3 C
4 C
5 C
OBSERVER: B.SAVAGE PROGRAM: IMBBS DATE: 1979.262 19 SEP 6 C
7 C
8 C
9 C
79262075460* 9 * 218 *OPSDEV14*074851 TARGET FROM SWLA * 10 C
065220 EXPOBC 3 0 5 MAXG NOL *074925 APERTURE CLOSED * 11 C
065257 FIN 3 T 9 S 97 U 109 *075147 TARGET IN SWSA * 12 C
065338 TARGET FROM SWSA *075251 FESTRK TRACKING * 13 C
065521 TARGET IN LWSA *075343 EXPOBC 3 9 59 MAXG NOL * 14 C
065618 FESTRK TRACKING *075433 TLM,LWRROM * 15 C
065740 EXPOBC 2 0 6 MAXG NOL *075460 READPREP 2 IMAGE 5625 * 16 C
065818 FIN 2 T 11 S 98 U 109 *075532 SCAN READLO SS 1 G3 58 * 17 C
065859 TARGET FROM LWSA *075547 X 56 Y 72 G1 99 HT 106 * 18 C
070225 TLM,SWPROM *075523 * 19 C
070527 S/C READY FOR MANEUVER *075546 * 20 C
070605 READPREP 3 IMAGE 6565 *064206 TARGET IN SWLA * 21 C
070638 SCAN READLO SS 1 G3 44 *064222 FES 13265 IN 24 0 0 * 22 C
070656 X 60 Y 76 G1 82 HT 105 *064321 EXPOBC 3 0 3 MAXG NOL * 23 C
072635 TLM,FES2ROM *064357 FIN 3 T 3 S 97 U 109 * 24 C
072758 APERTURE OPEN *064441 TARGET FROM SWLA * 25 C
073729 FESIMAGE 0 0 81 *064610 TARGET IN LWLA * 26 C
073929 ACQ STARTED *064659 EXPOBC 2 0 4 MAXG NOL * 27 C
074243 TARGET IN SWLA *064735 FIN 2 T 4 S 98 U 109 * 28 C
074257 FES 6065 IN 12 0 0 *064816 TARGET FROM LWLA * 29 C
074427 FESTRK TRACKING *064839 APERTURE CLOSED * 30 C
074522 EXPOBC 3 2 29 MAXG NOL *065027 TARGET IN SWSA * 31 C
074757 FIN 3 T 149 S 97 U 109 *065123 FESTRK TRACKING * 32 C
33 C
34 C
35 C
IMBBS*1*02*SAVAGE * * *H* 65904* *0*1* 13 36 C
0757264+450442* 0*B4*5* 6.0* * * * * 12* 37 C
38 C
39 C
40 C
41 C
42 C
43 C
44 C
45 C
46 C
47 C
48 C
49 C
50 C
.
. (binary portion of the VICAR label suppressed in this example)
.
83 C
84 C
85 C
.
. (binary portion of the VICAR label suppressed in this example)
.
00010082826B77697A2E7D00006140414000004040400204050B0C404040404040100 C
***RAW IMAGE*** C
*ARCHIVE 01:21Z SEP 23,'79 HL
COMMENT IUE-VICAR HEADER END
HISTORY IUE-LOG STARTED 15-MAR-1997 01:23:45
HISTORY PROCESSING SYSTEM: NEWSIPS VERSION 2.5.2
HISTORY ULTRIX VERSION
HISTORY LWR05625
HISTORY PROCESSED AT GODDARD SPACE FLIGHT CENTER
HISTORY ****************************************************************
HISTORY ****************************************************************
HISTORY START RAW_SCREEN 15-MAR-1997 01:25:47
HISTORY 18 BRIGHT SPOTS DETECTED
HISTORY 0 MISSING MINOR FRAMES DETECTED
HISTORY 0 LINES AFFECTED BY MICROPHONICS:
HISTORY LARGE APERTURE SPECTRUM WILL BE EXTRACTED AS
HISTORY POINT SOURCE
HISTORY LARGE APERTURE CONTINUUM DN LEVEL = 255
HISTORY SMALL APERTURE CONTINUUM DN LEVEL = 176
HISTORY BACKGROUND DN LEVEL = 27
HISTORY END RAW_SCREEN 15-MAR-1997 01:26:54
HISTORY ****************************************************************
HISTORY START CROSS-CORR 15-MAR-1997 01:29:10
HISTORY WINDOW SIZE USED: 29 X 29 PIXELS
HISTORY TEMPLATE SIZE USED: 23 X 23 PIXELS
HISTORY ITF USED: LWR83R96A
HISTORY 97.4 PERCENT SUCCESSFUL CORRELATIONS (147 OUT OF 151)
HISTORY MEDIAN CORRELATION COEFFICIENT: 0.807
HISTORY STANDARD DEVIATION OF CORRELATION COEFFICIENT: 0.134
HISTORY ITF NOT USED: 0.653 MEDIAN CORRELATION COEFFICIENT
HISTORY MEAN SHIFT IN PIXELS: 0.084
HISTORY MAXIMUM SHIFT IN PIXELS: 0.515
HISTORY NUMBER OF SUCCESSFUL SHIFTS FILTERED AS UNRELIABLE IN
HISTORY POST-FILTER ROUTINE: 1
HISTORY END CROSS-CORR 15-MAR-1997 01:31:10
HISTORY ****************************************************************
HISTORY START TTDC 15-MAR-1997 01:31:28
HISTORY TEMPERATURE USED FOR CORRECTING DISPERSION CONSTANTS = 12.84
HISTORY DATE OF OBSERVATION USED FOR CORRECTING
HISTORY DISPERSION CONSTANTS = 19/ 9/79 06:46:55
HISTORY THIRD-ORDER FIT OVER TIME USED
HISTORY FIRST-ORDER FIT OVER TEMPERATURE USED
HISTORY ZERO-POINT CORRECTION = -0.82 ANGSTROMS
HISTORY SPATIAL CORRECTION = -2.18 PIXELS
HISTORY END TTDC 15-MAR-1997 01:31:30
HISTORY ****************************************************************
HISTORY START PHOTOM 15-MAR-1997 01:31:49
HISTORY ITF USED: LWR83R96A
HISTORY MEAN TEMPERATURE OF ITF: 14.5 C
HISTORY ITF UVC=-5.0 KV; UVFLOOD WAVELENGTH = 2536 A; ITF SEC =-6.1 KV
HISTORY ITF CONSTRUCTION: RAW SPACE, FOURIER FILTERED; SEP96
HISTORY END PHOTOM 15-MAR-1997 01:33:48
HISTORY ****************************************************************
HISTORY START GEOM 15-MAR-1997 01:34:14
HISTORY WAVELENGTH LINEARIZATION APPLIED USING CHEBYSHEV COEFFICIENTS:
HISTORY C(0) = 320.974
HISTORY C(1) = 318.839
HISTORY C(2) = -.47393
HISTORY C(3) = 0.66076
HISTORY WAVELENGTH ZEROPOINT AND SPATIAL SHIFT APPLIED:
HISTORY ZERO-POINT SHIFT = -23.30 ANGSTROMS
HISTORY SPATIAL SHIFT = 1.29 PIXELS
HISTORY FINAL TIME/TEMP CORRECTED DISPERSION CONSTANTS USED:
HISTORY 1750.00 ANGSTROMS, 2.6692 ANGSTROMS/PIXEL
HISTORY PREDICTED CENTER LINE OF LARGE APERTURE = LINE 51.0
HISTORY PREDICTED CENTER LINE OF SMALL APERTURE = LINE 24.6
HISTORY END GEOM 15-MAR-1997 01:40:57
HISTORY ****************************************************************
HISTORY START SWET 15-MAR-1997 01:41:25
HISTORY NOISE MODEL USED: LWR VERSION 1.0
HISTORY
HISTORY *********************LARGE APERTURE DATA***********************
HISTORY
HISTORY PREDICTED SPECTRUM CENTER AT LINE 51, CENTROID FOUND AT
HISTORY LINE 51, PEAK AT LINE 51, AVERAGE PEAK FN = 196.1
HISTORY CROSS-DISPERSION PROFILES BINNED WITH A BLOCKSIZE OF 2 PIXELS,
HISTORY FOR A TOTAL OF 300 BLOCKS, OF WHICH 61 ARE REJECTED
HISTORY FIT PROFILE WITH 15 NODES AND 3.50 SIGMA REJECTION
HISTORY PROFILE CENTROID AT LINE 51.0
HISTORY EXTRACT FLUX FROM LINES 45 THROUGH 57
HISTORY REJECT PIXELS DEVIATING BY 5.0 SIGMA
HISTORY OUT OF 8320 PIXELS 21 REJECTED AS COSMIC RAY HITS,
HISTORY 226 FLAGGED AS BAD
HISTORY ABSOLUTE FLUX CALIBRATION LWR VERSION 1.0 APPLIED USING:
HISTORY MODE = LARGE APERTURE POINT SOURCE
HISTORY CALIBRATION EPOCH = 1985.00
HISTORY CAMERA RISE TIME = 0.126 SECONDS
HISTORY EFFECTIVE EXPOSURE TIME = 4.789 SECONDS
HISTORY TEMPERATURE-DEPENDENT SENSITIVITY CORRECTION APPLIED USING:
HISTORY THDA OF IMAGE = 12.84
HISTORY REFERENCE THDA = 14.80
HISTORY TEMPERATURE COEFFICIENT = -0.0089
HISTORY TEMPERATURE CORRECTION FACTOR = 0.983
HISTORY SENSITIVITY DEGRADATION CORRECTION LWR VERSION 1.0 APPLIED USING:
HISTORY MODE = LARGE APERTURE POINT SOURCE
HISTORY CALIBRATION EPOCH = 1985.00
HISTORY OBSERVATION DATE = 1979.718
HISTORY
HISTORY *********************SMALL APERTURE DATA***********************
HISTORY
HISTORY PREDICTED SPECTRUM CENTER AT LINE 25, CENTROID FOUND AT
HISTORY LINE 25, PEAK AT LINE 24, AVERAGE PEAK FN = 132.3
HISTORY CROSS-DISPERSION PROFILES BINNED WITH A BLOCKSIZE OF 1 PIXELS,
HISTORY FOR A TOTAL OF 600 BLOCKS, OF WHICH 122 ARE REJECTED
HISTORY FIT PROFILE WITH 15 NODES AND 3.50 SIGMA REJECTION
HISTORY PROFILE CENTROID AT LINE 24.7
HISTORY EXTRACT FLUX FROM LINES 19 THROUGH 31
HISTORY REJECT PIXELS DEVIATING BY 5.0 SIGMA
HISTORY OUT OF 8320 PIXELS 23 REJECTED AS COSMIC RAY HITS,
HISTORY 121 FLAGGED AS BAD
HISTORY ABSOLUTE FLUX CALIBRATION LWR VERSION 1.0 APPLIED USING:
HISTORY MODE = SMALL APERTURE POINT SOURCE
HISTORY CALIBRATION EPOCH = 1985.00
HISTORY CAMERA RISE TIME = 0.126 SECONDS
HISTORY EFFECTIVE EXPOSURE TIME = 6.837 SECONDS
HISTORY TEMPERATURE-DEPENDENT SENSITIVITY CORRECTION APPLIED USING:
HISTORY THDA OF IMAGE = 12.84
HISTORY REFERENCE THDA = 14.80
HISTORY TEMPERATURE COEFFICIENT = -0.0089
HISTORY TEMPERATURE CORRECTION FACTOR = 0.983
HISTORY SENSITIVITY DEGRADATION CORRECTION LWR VERSION 1.0 APPLIED USING:
HISTORY MODE = LARGE APERTURE POINT SOURCE
HISTORY APPLIED TO SMALL APERTURE DATA
HISTORY CALIBRATION EPOCH = 1985.00
HISTORY OBSERVATION DATE = 1979.718
HISTORY END SWET 15-MAR-1997 01:42:18
HISTORY ****************************************************************
HISTORY START FITSCOPY 15-MAR-1997 01:42:30
END