SIMPLE  =                    T / Standard FITS Format
BITPIX  =                    8 /8 bits ASCII
NAXIS   =                    0 /No image data
EXTEND  =                    T /Extensions are present
TELESCOP= 'IUE     '           / International Ultraviolet Explorer
DATE    = '23/08/97'           /Date file is written (*new FITS standard*)
ORIGIN  = 'GSFC    '           / Institution generating the file
CAMERA  = 'SWP     '           / Camera
IMAGE   =                51140 / Sequential image number
DISPERSN= 'LOW     '           / Dispersion processing type
APERTURE= 'LARGE   '           / Aperture
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
POSANGLE=                 6.95 / Pos angle of the large aperture (deg)
ABNMINFR= 'NO      '           / Bad/missing minor frames
CC-PERCN=                 96.4 / Cross-correlation % successful
ITF     = 'SWP85R92A'          / ITF identification
COMMENT BY RA:  EXP 1 APER L E=235,C=139,B=20
COMMENT BY RA:     0 MISSING MINOR FRAMES NOTED ON SCRIPT
COMMENT BY RA:  EXP 1 EX=    8, EY=   -2
COMMENT BY RA:  EXP 1 TRACKED ON GYROS
COMMENT BY RA:  S   PREP USED
COMMENT BY RA:  OFFSET 1  FROM: SAO 138721
COMMENT BY RA:  OFFSET 1  COORDINATES: 12 17 20.5 -00 23 21
COMMENT BY RA:  OFFSET 1  MAGNITUDE: 4.000
COMMENT BY RA:  OFFSET 2  FROM: SAO 119431
COMMENT BY RA:  OFFSET 2  COORDINATES: 12 27 37.1 +02 30 27
COMMENT BY RA:  OFFSET 2  MAGNITUDE: 9.300
COMMENT BY RA:  FESCOUNT 1 =           FES-MODE 1 = BO
COMMENT BY RA:  EXPOSURE 1 SEGMENTED ( 2 EXPOSURES)
COMMENT BY RA:  SEGMENT  1 EXPOSED   599.524 SEC.(EFF);  600.0 SEC.(COM)
COMMENT BY RA:  SEGMENT  2 EXPOSED  1199.588 SEC.(EFF); 1200.0 SEC.(COM)
DATEOBS = '20/06/94'           / Observing date
TIMEOBS = '05:57:33'           / Observing time
EXPTRMD = 'NO-TRAIL'           / Trail mode
EXPMULT = 'NO      '           / Multiple exposure mode
EXPSEGM = 'YES     '           / Segmented exposure code
EXPTIME =             1799.113 / Integration time in seconds
RA      =             186.6388 / Homogeneous R.A. in degrees
DEC     =               2.3287 / Homogeneous Dec. in degrees
TARGET  = '3C 273  '           / Object as given by Guest Observer
TARGRA  =             186.6387 / R.A. in degrees (given by GO)
TARGDEC =               2.3283 / Dec. in degrees (given by GO)
OBJECT  = 'PG  1226+023'                 / Homogeneous Object ID
HJD-MID =        2449523.75937 / JD middle of obs. with Heliocentric corr.
COMMENT IUE-VICAR HEADER START
        SWP 51140, 3C 273, 30 MIN EXPO, LOW DISP, LARGE APER
        EXPO TAKEN IN TWO SEGMENTS: 10 MIN + 20 MIN
        ERRORS AT REFERENCE POINT AFTER EXPO SEGMENTS: (8,-2) (1,2

        OBSERVER: BRUHWEILER    ID: AGQMK   1994 JUN 20   DAY 171


COMMENT IUE-VICAR HEADER END
HISTORY START RAW_SCREEN                            23-AUG-1997 13:18:51
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 = 105
HISTORY SMALL APERTURE CONTINUUM DN LEVEL =   0
HISTORY BACKGROUND DN LEVEL =  19
HISTORY END   RAW_SCREEN                            23-AUG-1997 13:19:41
HISTORY START EXTRACTION                            28-JAN-1998 00:37:42
HISTORY INES NOISE MODEL USED
HISTORY CROSS-DISPERSION PROFILES BINNED IN  63 BLOCKS
HISTORY EMPIRICAL EXTRACTION
HISTORY CENTROID FOUND AT LINE  49.8
HISTORY REJECT PIXELS DEVIATING BY  4.0 SIGMA
HISTORY OUT OF    14720 PIXELS       39 REJECTED AS COSMIC RAY HITS
HISTORY END EXTRACTION                              28-JAN-1998 00:37:51
END

XTENSION= 'BINTABLE'           /Written by IDL:  28-Jan-1998 00:37:51.00
BITPIX  =                    8 /
NAXIS   =                    2 /Binary table
NAXIS1  =                   14 /Number of bytes per row
NAXIS2  =                  495 /Number of rows
PCOUNT  =                    0 /Random parameter count
GCOUNT  =                    1 /Group count
TFIELDS =                    4 /Number of columns
TFORM1  = '1E      '           /Real*4 (floating point)
TTYPE1  = 'WAVELENGTH'         /Label for column 1
TUNIT1  = 'ANGSTROM'           /Units of column 1
TDISP1  = 'F10.3   '           /Display format for column 1
TFORM2  = '1E      '           /Real*4 (floating point)
TTYPE2  = 'FLUX    '           /Label for column 2
TUNIT2  = 'ERG/CM2/S/A'        /Units of column 2
TDISP2  = 'E15.7   '           /Display format for column 2
TFORM3  = '1E      '           /Real*4 (floating point)
TTYPE3  = 'SIGMA   '           /Label for column 3
TUNIT3  = 'ERG/CM2/S/A'        /Units of column 3
TDISP3  = 'E15.7   '           /Display format for column 3
TFORM4  = '1I      '           /Integer*2 (short integer)
TTYPE4  = 'QUALITY '           /Label for column 4
TUNIT4  = '        '           /Units of column 4
TDISP4  = 'I7      '           /Display format for column 4
FILENAME= 'SWP51140LL.FITS'    /Filename(camera)(number)(disp)(aper).FITS
END