The following example shows the FITS header corresponding to an SWP high-dispersion RIHI.
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= 'SWP37983.RIHI' / Filename(camera)(number).RI(disp)
DATE = '10/01/97' / 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 = 'SWP ' / Camera
IMAGE = 37983 / Sequential image number
DISPERSN= 'HIGH ' / Spectrograph dispersion mode
APERTURE= 'LARGE ' / Aperture
DISPTYPE= 'HIGH ' / 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= 10.84 / THDA at read of image
EQUINOX = 1950.00 / Epoch of coordinates
STATION = 'GSFC ' / Observing station
ORBEPOCH= '09/01/90' / Orbital elements epoch
ORBSAXIS= 42162.1 / Semi-major axis in kilometers
ORBECCEN= 0.1507207 / Eccentricity
ORBINCLI= 32.096 / Inclination in degrees
ORBASCEN= 121.734 / Ascending node in degrees
ORBPERIG= 349.052 / Argument of perigee in degrees
ORBANOMA= 308.612 / Mean anomaly in degrees
POSANGLE= 181.87 / Pos angle of the large aperture (deg)
LAMP = 'NONE ' / Lamp
PGM-ID = 'PHCAL ' / Program identification
ABNMINFR= 'NO ' / Bad/missing minor frames
CC-PERCN= 81.3 / Cross-correlation % successful
CC-WINDW= 29 / Cross-correlation window size
CC-TEMPL= 23 / Cross-correlation template size
CC-MEDN = 0.385 / Median cross-correlation coefficient
CC-STDEV= 0.140 / St dev of cross-corr coefficients
SHFTMEAN= 0.467 / Mean shift between image and ITF
SHFTMAX = 2.850 / Maximum shift between image and ITF
ITF = 'SWP85R92A' / ITF identification
TILTCORR= 'NO ' / Tilt correction flag
MEANRAT = 1.014 / SI vs LI mean
STDEVRAT= 0.984 / SI vs LI standard deviation
COMMENT BY RA: EXP 1 APER L C=165,B=30
COMMENT BY RA: 0 MISSING MINOR FRAMES NOTED ON SCRIPT
COMMENT BY RA: EXP 1 TRACKED ON GYROS
COMMENT BY RA: S PREP USED
COMMENT *
COMMENT * CORE DATA ITEMS - LARGE APERTURE SET
COMMENT *
LDATEOBS= '10/01/90' / Observing date
LTIMEOBS= '03:56:12' / Observing time
LJD-OBS = 2447901.66403 / Julian Date start of obs.
LEXPTRMD= 'NO-TRAIL' / Trail mode
LEXPMULT= 'NO ' / Multiple exposure mode
LEXPSEGM= 'NO ' / Segmented exposure code
LEXPTIME= 5.604 / Integration time in seconds
LTHDASTR= 11.18 / THDA at start of exposure
LTHDAEND= 11.18 / THDA at end of exposure
LRA = 206.3929 / Homogeneous R.A. in degrees
LDEC = 49.5623 / Homogeneous Dec. in degrees
LLAPSTAT= 'OPEN ' / Large aperture status
LFES2MD = 'FU ' / FES(2) mode
LFES2CN = 3935 / FES(2) counts on target
LTARGET = 'ETA UMA ' / Object as given by Guest Observer
LTARGRA = 206.3925 / R.A. in degrees (given by GO)
LTARGDEC= 49.5619 / Dec. in degrees (given by GO)
LOBJECT = 'HD 120315' / Homogeneous Object ID
LIUECLAS= 21 / Object class
LFOCUS = -0.23 / Focus
LFPM = 0.59 / Flux particle monitor
LGSTAR2M= 'NO ' / Guide star mode FES2
LJD-MID = 2447901.66406 / Julian Date middle of obs.
LHELCORR= 0.00131 / Heliocentric corr to midpoint (days)
LDATABKG= 29 / Estimated mean background level (DNs)
LDATACNT= 156 / Estimated maximum continuum level (DNs)
LCNTRAPR= 290.74 / Predicted center line of spectrum
LXTRMODE= 'POINT ' / Extraction mode
LXTRCNTR= 290.5 / Center line of extracted spectrum
LRADVELO= 19.59 / Heliocentric velocity correction in km/s
COMMENT *
COMMENT * THE IUE VICAR HEADER
COMMENT *
COMMENT IUE-VICAR HEADER START
895 895 768 768 1 1 013037983 +101 1 C
8964* 12*IUESOC * * * 6* * * * * * * * * * 2 C
SWP 37983, ETA UMA, 6 SEC EXPO, HIGH DISPERSION, LGAP 3 C
ERRORS AT REF POINT AFTER EXPO: EX = 1 , EY = -1 4 C
5 C
6 C
OBSERVER: GARHART ID: PHCAL 10 JAN 1990, DAY 010 7 C
8 C
9 C
90 10045117* 10 * 218 *OPS2PR11*043729 TLM,FES2ROM * 10 C
031754 MODE LWH *045023 TLM,SWPROM * 11 C
031921 TLM,LWPROM *045117 READPREP 3 IMAGE 37983 * 12 C
031952 READPREP 1 IMAGE 17119 *045200 SCAN READLO SS 1 G3 44 * 13 C
032031 SCAN READLO SS 1 G3 47 *045217 X 60 Y 76 G1 82 HT 105 * 14 C
032046 X 53 Y 71 G1 97 HT 106 *045151 * 15 C
034446 TLM,FES2ROM *045216 * 16 C
034926 FES CTS 3921 0 1 2560 *022057 TRAIL 3 .460830E 00 * 17 C
035000 TARGET IN LWLA *022128 FES CTS 473 0 0 2560 * 18 C
035111 EXPOBC 1 0 5 MAXG NOL *022204 TARGET IN SWLA * 19 C
035152 FIN 1 T 4 S 97 U 108 *022559 EXPOBC 3 25 0 MAXG NOL * 20 C
035243 TARGET FROM LWLA *022918 MODTIME 3 0 0 * 21 C
035429 FES CTS 3935 0 1 1024 *022953 FIN 3 T 193 S 97 U 109 * 22 C
035507 TARGET IN SWLA *023107 TARGET FROM SWLA * 23 C
035617 EXPOBC 3 0 6 MAXG NOL *023158 ITER 1 TIME .433999E 02 * 24 C
035701 FIN 3 T 5 S 97 U 109 *024404 S/C READY FOR MANEUVER * 25 C
035758 TARGET FROM SWLA *024427 MODE SWH * 26 C
041054 S/C READY FOR MANEUVER *024459 TLM,SWPROM * 27 C
041121 TLM,LWPROM *024547 READPREP 3 IMAGE 37982 * 28 C
041202 READPREP 1 IMAGE 17120 *024622 SCAN READLO SS 1 G3 44 * 29 C
041234 SCAN READLO SS 1 G3 47 *024637 X 60 Y 76 G1 82 HT 105 * 30 C
041255 X 53 Y 71 G1 97 HT 106 *025155 S/C MANEUVERING * 31 C
041751 S/C MANEUVERING *030825 TLM,FES2ROM * 32 C
33 C
34 C
35 C
PHCAL*1*20*GARHART * 21* *O* ETA UMA*0*0*1* 21 36 C
1345342+493343* 0*B3*5*1.84* 0.02* * * 999.99* * 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)
.
2447886.5 .0 42163.1 .151032 32.0417121.9482-11.4203294.824 83 C
10025151 1345342+493343251 8 2 10041747 034102+5337181124420 84 C
9231403 1045335+3750 32744921 10004626 8 4431+75 6473473851 85 C
.
. (binary portion of the VICAR label suppressed in this example)
.
AED9D443496CB76DB731B73142614000000000404040010319F1C2404040404040100 C
90123104337983L 000006 G 1APC
PHCALGO* ETA UMA 1345342493343+00112 2APC
GARHART 3APC
90365 6 90 1003570190 1004511714221108001H 4APC
***** RAW IMAGE: T3HLAC ***** C
*GOT_FMTOUTTAPE/GOT_MASKCON 14:27Z JAN 10,'90 HL
COMMENT IUE-VICAR HEADER END
HISTORY IUE-LOG STARTED 10-JAN-1997 03:09:04
HISTORY PROCESSING SYSTEM: NEWSIPS VERSION 3.1_A
HISTORY OPEN VMS VERSION
HISTORY SWP37983
HISTORY PROCESSED AT GODDARD SPACE FLIGHT CENTER
HISTORY ****************************************************************
HISTORY ****************************************************************
HISTORY START RAW_SCREEN 10-JAN-1997 03:09:14
HISTORY 9 BRIGHT SPOTS DETECTED
HISTORY 0 MISSING MINOR FRAMES DETECTED
HISTORY LARGE APERTURE SPECTRUM WILL BE EXTRACTED AS
HISTORY POINT SOURCE
HISTORY LARGE APERTURE CONTINUUM DN LEVEL = 156
HISTORY BACKGROUND DN LEVEL = 29
HISTORY ORDER REGISTRATION
HISTORY GLOBAL OFFSET -0.08 PIXELS RELATIVE TO FIDUCIAL: SWP 13589
HISTORY RELATIVE ORDER LOCATIONS DETERMINED FROM EMPIRICAL POSITIONS
HISTORY END RAW_SCREEN 10-JAN-1997 03:09:39
HISTORY ****************************************************************
HISTORY START TTDC 10-JAN-1997 03:09:42
HISTORY TEMPERATURE USED FOR CORRECTING DISPERSION CONSTANTS = 11.18
HISTORY DATE OF OBSERVATION USED FOR CORRECTING
HISTORY DISPERSION CONSTANTS = 10/ 1/90 03:56:12
HISTORY ORDER 66 ZERO-POINT CORRECTION = -0.071 ANGSTROMS
HISTORY ORDER 67 ZERO-POINT CORRECTION = -0.071 ANGSTROMS
HISTORY ORDER 68 ZERO-POINT CORRECTION = -0.070 ANGSTROMS
HISTORY ORDER 69 ZERO-POINT CORRECTION = -0.067 ANGSTROMS
HISTORY ORDER 70 ZERO-POINT CORRECTION = -0.066 ANGSTROMS
HISTORY ORDER 71 ZERO-POINT CORRECTION = -0.065 ANGSTROMS
HISTORY ORDER 72 ZERO-POINT CORRECTION = -0.066 ANGSTROMS
HISTORY ORDER 73 ZERO-POINT CORRECTION = -0.066 ANGSTROMS
HISTORY ORDER 74 ZERO-POINT CORRECTION = -0.066 ANGSTROMS
HISTORY ORDER 75 ZERO-POINT CORRECTION = -0.065 ANGSTROMS
HISTORY ORDER 76 ZERO-POINT CORRECTION = -0.063 ANGSTROMS
HISTORY ORDER 77 ZERO-POINT CORRECTION = -0.063 ANGSTROMS
HISTORY ORDER 78 ZERO-POINT CORRECTION = -0.062 ANGSTROMS
HISTORY ORDER 79 ZERO-POINT CORRECTION = -0.063 ANGSTROMS
HISTORY ORDER 80 ZERO-POINT CORRECTION = -0.061 ANGSTROMS
HISTORY ORDER 81 ZERO-POINT CORRECTION = -0.060 ANGSTROMS
HISTORY ORDER 82 ZERO-POINT CORRECTION = -0.060 ANGSTROMS
HISTORY ORDER 83 ZERO-POINT CORRECTION = -0.059 ANGSTROMS
HISTORY ORDER 84 ZERO-POINT CORRECTION = -0.059 ANGSTROMS
HISTORY ORDER 85 ZERO-POINT CORRECTION = -0.058 ANGSTROMS
HISTORY ORDER 86 ZERO-POINT CORRECTION = -0.059 ANGSTROMS
HISTORY ORDER 87 ZERO-POINT CORRECTION = -0.057 ANGSTROMS
HISTORY ORDER 88 ZERO-POINT CORRECTION = -0.056 ANGSTROMS
HISTORY ORDER 89 ZERO-POINT CORRECTION = -0.056 ANGSTROMS
HISTORY ORDER 90 ZERO-POINT CORRECTION = -0.055 ANGSTROMS
HISTORY ORDER 91 ZERO-POINT CORRECTION = -0.056 ANGSTROMS
HISTORY ORDER 92 ZERO-POINT CORRECTION = -0.055 ANGSTROMS
HISTORY ORDER 93 ZERO-POINT CORRECTION = -0.054 ANGSTROMS
HISTORY ORDER 94 ZERO-POINT CORRECTION = -0.055 ANGSTROMS
HISTORY ORDER 95 ZERO-POINT CORRECTION = -0.058 ANGSTROMS
HISTORY ORDER 96 ZERO-POINT CORRECTION = -0.052 ANGSTROMS
HISTORY ORDER 97 ZERO-POINT CORRECTION = -0.051 ANGSTROMS
HISTORY ORDER 98 ZERO-POINT CORRECTION = -0.053 ANGSTROMS
HISTORY ORDER 99 ZERO-POINT CORRECTION = -0.050 ANGSTROMS
HISTORY ORDER 100 ZERO-POINT CORRECTION = -0.052 ANGSTROMS
HISTORY ORDER 101 ZERO-POINT CORRECTION = -0.050 ANGSTROMS
HISTORY ORDER 102 ZERO-POINT CORRECTION = -0.047 ANGSTROMS
HISTORY ORDER 103 ZERO-POINT CORRECTION = -0.046 ANGSTROMS
HISTORY ORDER 104 ZERO-POINT CORRECTION = -0.045 ANGSTROMS
HISTORY ORDER 105 ZERO-POINT CORRECTION = -0.044 ANGSTROMS
HISTORY ORDER 106 ZERO-POINT CORRECTION = -0.043 ANGSTROMS
HISTORY ORDER 107 ZERO-POINT CORRECTION = -0.043 ANGSTROMS
HISTORY ORDER 108 ZERO-POINT CORRECTION = -0.042 ANGSTROMS
HISTORY ORDER 109 ZERO-POINT CORRECTION = -0.041 ANGSTROMS
HISTORY ORDER 110 ZERO-POINT CORRECTION = -0.040 ANGSTROMS
HISTORY ORDER 111 ZERO-POINT CORRECTION = -0.039 ANGSTROMS
HISTORY ORDER 112 ZERO-POINT CORRECTION = -0.038 ANGSTROMS
HISTORY ORDER 113 ZERO-POINT CORRECTION = -0.037 ANGSTROMS
HISTORY ORDER 114 ZERO-POINT CORRECTION = -0.036 ANGSTROMS
HISTORY ORDER 115 ZERO-POINT CORRECTION = -0.035 ANGSTROMS
HISTORY ORDER 116 ZERO-POINT CORRECTION = -0.033 ANGSTROMS
HISTORY ORDER 117 ZERO-POINT CORRECTION = -0.032 ANGSTROMS
HISTORY ORDER 118 ZERO-POINT CORRECTION = -0.031 ANGSTROMS
HISTORY ORDER 119 ZERO-POINT CORRECTION = -0.030 ANGSTROMS
HISTORY ORDER 120 ZERO-POINT CORRECTION = -0.029 ANGSTROMS
HISTORY ORDER 121 ZERO-POINT CORRECTION = -0.027 ANGSTROMS
HISTORY ORDER 122 ZERO-POINT CORRECTION = -0.026 ANGSTROMS
HISTORY ORDER 123 ZERO-POINT CORRECTION = -0.025 ANGSTROMS
HISTORY ORDER 124 ZERO-POINT CORRECTION = -0.024 ANGSTROMS
HISTORY ORDER 125 ZERO-POINT CORRECTION = -0.022 ANGSTROMS
HISTORY
HISTORY SPACECRAFT VELOCITY:
HISTORY X= -2.59 Y= -1.57 Z= 1.90
HISTORY EARTH VELOCITY:
HISTORY X=-28.54 Y= -9.29 Z= -4.03
HISTORY NET CORRECTION VECTOR TO HELIOCENTRIC VELOCITY:
HISTORY X=-31.13 Y=-10.86 Z= -2.13
HISTORY HELIOCENTRIC VELOCITY CORRECTION: +19.59 KM/S
HISTORY END TTDC 10-JAN-1997 03:09:50
HISTORY ****************************************************************
HISTORY START CROSS-CORR 10-JAN-1997 03:09:56
HISTORY WINDOW SIZE USED: 29 X 29 PIXELS
HISTORY TEMPLATE SIZE USED: 23 X 23 PIXELS
HISTORY ITF USED: SWP85R92A
HISTORY 81.4 PERCENT SUCCESSFUL CORRELATIONS (415 OUT OF 510)
HISTORY MEDIAN CORRELATION COEFFICIENT: 0.385
HISTORY STANDARD DEVIATION OF CORRELATION COEFFICIENT: 0.140
HISTORY MEAN SHIFT IN PIXELS: 0.467
HISTORY MAXIMUM SHIFT IN PIXELS: 2.850
HISTORY NUMBER OF SUCCESSFUL SHIFTS FILTERED AS UNRELIABLE IN
HISTORY POST-FILTER ROUTINE: 7
HISTORY END CROSS-CORR 10-JAN-1997 03:10:47
HISTORY ****************************************************************
HISTORY START PHOTOM 10-JAN-1997 03:10:54
HISTORY ITF USED: SWP85R92A
HISTORY MEAN TEMPERATURE OF ITF: 9.3 C
HISTORY ITF UVC=-5.0 KV; UVFLOOD WAVELENGTH = 2536 A; ITF SEC =-6.1 KV
HISTORY ITF CONSTRUCTION: RAW SPACE, FOURIER FILTERED; JAN92
HISTORY END PHOTOM 10-JAN-1997 03:12:24
HISTORY ****************************************************************
HISTORY START GEOM 10-JAN-1997 03:12:26
HISTORY INTERIM EPOCH ORDER SPATIAL DEVIATION CORRECTION APPLIED
HISTORY DE-SPLAYING ANGLE OF -0.29E-04 RADIANS
HISTORY PREDICTED CENTER LINE OF ORDER 100 - LINE 290.74
HISTORY END GEOM 10-JAN-1997 03:21:27
HISTORY ****************************************************************
HISTORY START COSMIC_RAY 10-JAN-1997 03:21:43
HISTORY MEAN FN VALUE OF INTERORDER BACKGROUND = 9.566
HISTORY 13789 PIXELS GREATER THAN 2.000 SIGMA FLAGGED IN
HISTORY COSMIC_RAY IMAGE
HISTORY END COSMIC_RAY 10-JAN-1997 03:22:08
HISTORY ****************************************************************
HISTORY START BCKGRD 10-JAN-1997 03:22:09
HISTORY INTERORDER POINTS IDENTIFIED FOR POINT SOURCE
HISTORY GLOBAL BACKGROUND DETERMINATION SUCCESSFUL
HISTORY NORMAL GRID INTERPOLATION
HISTORY END BCKGRD 10-JAN-1997 03:22:58
HISTORY ****************************************************************
HISTORY START EXTRACT 10-JAN-1997 03:23:01
HISTORY BOXCAR EXTRACTION
HISTORY NOISE MODEL USED: SWP VERSION 1.0
HISTORY
HISTORY **********************LARGE APERTURE DATA***********************
HISTORY
HISTORY MEAN SLIT HEIGHT FOR LARGE APERTURE POINT SOURCE USED FOR EACH ORDER
HISTORY ORDER 100 FOUND AT LINE 290.51
HISTORY *** WARNING: ORDER 111 EXPLICIT CENTROID DETERMINATION INVALID.
HISTORY FIDUCIAL CENTROID USED.
HISTORY *** WARNING: ORDER 114 EXPLICIT CENTROID DETERMINATION INVALID.
HISTORY FIDUCIAL CENTROID USED.
HISTORY *** WARNING: ORDER 118 EXPLICIT CENTROID DETERMINATION INVALID.
HISTORY FIDUCIAL CENTROID USED.
HISTORY *** WARNING: ORDER 120 EXPLICIT CENTROID DETERMINATION INVALID.
HISTORY FIDUCIAL CENTROID USED.
HISTORY *** WARNING: ORDER 121 EXPLICIT CENTROID DETERMINATION INVALID.
HISTORY FIDUCIAL CENTROID USED.
HISTORY *** WARNING: ORDER 122 EXPLICIT CENTROID DETERMINATION INVALID.
HISTORY FIDUCIAL CENTROID USED.
HISTORY *** WARNING: ORDER 123 EXPLICIT CENTROID DETERMINATION INVALID.
HISTORY FIDUCIAL CENTROID USED.
HISTORY *** WARNING: ORDER 124 EXPLICIT CENTROID DETERMINATION INVALID.
HISTORY FIDUCIAL CENTROID USED.
HISTORY *** WARNING: ORDER 125 EXPLICIT CENTROID DETERMINATION INVALID.
HISTORY FIDUCIAL CENTROID USED.
HISTORY
HISTORY SWP RIPPLE CORRECTION VERSION 2.0 APPLIED.
HISTORY ABSOLUTE FLUX CALIBRATION DERIVED FROM LOW DISPERSION FLUX
HISTORY CALIBRATION.
HISTORY ABSOLUTE FLUX CALIBRATION SWP VERSION 1.2 APPLIED USING:
HISTORY MODE = LARGE APERTURE POINT SOURCE
HISTORY CALIBRATION EPOCH = 1985.00
HISTORY CAMERA RISE TIME = 0.130 SECONDS
HISTORY EFFECTIVE EXPOSURE TIME = 5.604 SECONDS
HISTORY TEMPERATURE-DEPENDENT SENSITIVITY CORRECTION APPLIED USING:
HISTORY THDA OF IMAGE = 11.18
HISTORY REFERENCE THDA = 9.40
HISTORY TEMPERATURE COEFFICIENT = -0.0046
HISTORY TEMPERATURE CORRECTION FACTOR = 1.008
HISTORY SENSITIVITY DEGRADATION CORRECTION SWP VERSION 2.0 APPLIED USING:
HISTORY MODE = LARGE APERTURE POINT SOURCE
HISTORY CALIBRATION EPOCH = 1985.00
HISTORY OBSERVATION DATE = 1990.027
HISTORY END EXTRACT 10-JAN-1997 03:23:20
HISTORY ****************************************************************
HISTORY START FITSCOPY 10-JAN-1997 03:23:24
END