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