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Next: 12.2.4.2 High-dispersion Header Example Up: 12.2.4 NEWSIPS Image Processing Previous: 12.2.4 NEWSIPS Image Processing

12.2.4.1 Low-dispersion Header Example

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



Karen Levay
12/4/1997