SIMPLE = T / file does conform to FITS standard BITPIX = 16 / number of bits per data pixel NAXIS = 0 / number of data axes EXTEND = T / FITS dataset may contain extensions COMMENT FITS (Flexible Image Transport System) format is defined in 'AstronomyCOMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H DATE-OBS= '2018-06-14' / Start date for data TIME-OBS= '05:39:40' / Start time for data DATE-END= '2018-06-14' / End date for data TIME-END= '13:47:38' / End time for data TSTART = 550647601.57045 / As in the TIME column TSTOP = 550676879.27932 / As in the TIME column DELTAT = 1. / Interval between records [s] RA_NOM = 158.956463879781 / Nominal right ascension (degrees) DEC_NOM = -59.5883119366972 / Nominal declination (degrees) TELESCOP= 'SWIFT ' / Telescope (mission) name TIMESYS = 'TT ' / Time system TIMEUNIT= 's ' / Time unit for timimg header keywords MJDREFI = 51910 / MJD reference day MJDREFF = 0.00074287037 / MJD reference (fraction of day) EQUINOX = 2000. / Equinox for pointing RA/Dec RADECSYS= 'FK5 ' / Coordinates System CREATOR = 'PREFILTER v3.5' / file creator ORIGIN = 'NASA/GSFC' / file creation location DATE = '2019-07-21T07:57:41' / file creation date (YYYY-MM-DDThh:mm:ss UT) CHECKSUM= 'D8oTG5mRD5mRD5mR' / HDU checksum updated 2019-07-21T07:57:41 DATASUM = ' 0' / data unit checksum updated 2019-07-21T07:57:41 END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 138 / width of table in bytes NAXIS2 = 29278 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 24 / number of fields in each row EXTNAME = 'PREFILTER' / name of this binary table extension TTYPE1 = 'TIME ' / seconds since mission epoch TFORM1 = '1D ' / format of field TUNIT1 = 's ' / physical units of field TDISP1 = 'F20.6 ' / display format of field TTYPE2 = 'POSITION' / ECI position of satellite [X,Y,Z] TFORM2 = '3E ' / format of field TUNIT2 = 'km ' / physical units of field TDISP2 = 'F10.3 ' / display format of field TTYPE3 = 'VELOCITY' / ECI velocity of satellite [X,Y,Z] TFORM3 = '3E ' / format of field TUNIT3 = 'km/s ' / physical units of field TDISP3 = 'F10.3 ' / display format of field TTYPE4 = 'QUATERNION' / attitude quaternion TFORM4 = '4E ' / format of field TDISP4 = 'F12.8 ' / display format of field TTYPE5 = 'PNTUNIT ' / pointing unit vector TFORM5 = '3E ' / format of field TDISP5 = 'F12.8 ' / display format of field TTYPE6 = 'POLAR ' / geodetic radius lat lon TFORM6 = '3E ' / format of field TUNIT6 = 'rad, rad, km' / physical units of field TTYPE7 = 'RA ' / pointing axis right ascension TFORM7 = '1E ' / format of field TUNIT7 = 'deg ' / physical units of field TDISP7 = 'F10.6 ' / display format of field TTYPE8 = 'DEC ' / pointing axis declination TFORM8 = '1E ' / format of field TUNIT8 = 'deg ' / physical units of field TDISP8 = 'F10.6 ' / display format of field TTYPE9 = 'ROLL ' / pointing axis roll TFORM9 = '1E ' / format of field TUNIT9 = 'deg ' / physical units of field TDISP9 = 'F6.2 ' / display format of field TTYPE10 = 'SAT_LAT ' / sub-satellite point latitude TFORM10 = '1E ' / format of field TUNIT10 = 'deg ' / physical units of field TDISP10 = 'F8.4 ' / display format of field TTYPE11 = 'SAT_LON ' / sub-satellite point longitude TFORM11 = '1E ' / format of field TUNIT11 = 'deg ' / physical units of field TDISP11 = 'F8.4 ' / display format of field TTYPE12 = 'SAT_ALT ' / distance from earth center TFORM12 = '1E ' / format of field TUNIT12 = 'km ' / physical units of field TDISP12 = 'F10.3 ' / display format of field TTYPE13 = 'ELV ' / angle between pointing and earth limb TFORM13 = '1E ' / format of field TUNIT13 = 'deg ' / physical units of field TDISP13 = 'F7.2 ' / display format of field TTYPE14 = 'BR_EARTH' / angle between pointing and bright earth TFORM14 = '1E ' / format of field TUNIT14 = 'deg ' / physical units of field TDISP14 = 'F8.2 ' / display format of field TTYPE15 = 'SUNSHINE' / 1=in sunshine; 0=not TFORM15 = '1I ' / format of field TTYPE16 = 'FOV_FLAG' / 0=sky; 1=dark earth; 2=bright earth TFORM16 = '1I ' / format of field TNULL16 = -999 TTYPE17 = 'SUN_ANGLE' / angle between pointing and sun vector TFORM17 = '1E ' / format of field TUNIT17 = 'deg ' / physical units of field TDISP17 = 'F8.2 ' / display format of field TTYPE18 = 'MOON_ANGLE' / angle between pointing and moon vector TFORM18 = '1E ' / format of field TUNIT18 = 'deg ' / physical units of field TDISP18 = 'F8.2 ' / display format of field TTYPE19 = 'RAM_ANGLE' / angle between pointing and velocity vector TFORM19 = '1E ' / format of field TUNIT19 = 'deg ' / physical units of field TDISP19 = 'F8.2 ' / display format of field TTYPE20 = 'ANG_DIST' / angular distance of pointing from nominal TFORM20 = '1E ' / format of field TUNIT20 = 'deg ' / physical units of field TDISP20 = 'F10.4 ' / display format of field TTYPE21 = 'SAA ' / 1=in SAA; 0=not TFORM21 = '1I ' / format of field TUNIT21 = ' ' / physical units of field TTYPE22 = 'SAA_TIME' / time since entering/exiting SAA TFORM22 = '1E ' / format of field TUNIT22 = 's ' / physical units of field TTYPE23 = 'COR_SAX ' / magnetic cut off rigidity (IGRF map) TFORM23 = '1E ' / format of field TUNIT23 = 'GeV/c ' / physical units of field TDISP23 = 'F6.2 ' / display format of field TTYPE24 = 'MCILWAIN_L' / McIlwain L parameter (SAX) TFORM24 = '1E ' / format of field TDISP24 = 'F6.2 ' / display format of field DATE-OBS= '2018-06-14' / Start date for data TIME-OBS= '05:39:40' / Start time for data DATE-END= '2018-06-14' / End date for data TIME-END= '13:47:38' / End time for data TSTART = 550647601.57045 / As in the TIME column TSTOP = 550676879.27932 / As in the TIME column DELTAT = 1. / Interval between records [s] RA_NOM = 158.956463879781 / Nominal right ascension (degrees) DEC_NOM = -59.5883119366972 / Nominal declination (degrees) TELESCOP= 'SWIFT ' / Telescope (mission) name TIMESYS = 'TT ' / Time system TIMEUNIT= 's ' / Time unit for timimg header keywords MJDREFI = 51910 / MJD reference day MJDREFF = 0.00074287037 / MJD reference (fraction of day) EQUINOX = 2000. / Equinox for pointing RA/Dec RADECSYS= 'FK5 ' / Coordinates System CREATOR = 'PREFILTER v3.5' / file creator ORIGIN = 'NASA/GSFC' / file creation location DATE = '2019-07-21T07:57:41' / file creation date (YYYY-MM-DDThh:mm:ss UT) CHECKSUM= 'CeFoDZ9oCdCoCZ9o' / HDU checksum updated 2019-07-21T07:57:41 DATASUM = '1549376915' / data unit checksum updated 2019-07-21T07:57:41 HISTORY HISTORY START PARAMETER list for prefilter_PREFILTER v3.5 at 2019-07-21T07:57:41HISTORY HISTORY P1 outname = ./00088679008_lev2/sw00088679008s.attorb HISTORY P2 columns = TIME POSITION VELOCITY QUATERNION PNTUNIT POLAR SAT_ALT SATHISTORY P2 _LAT SAT_LON RA DEC ROLL ELV BR_EARTH FOV_FLAG SUNSHINE SUN_ANGLE MOOHISTORY P2 NGLE RAM_ANGLE ANG_DIST COR_SAX SAA SAA_TIME MCILWAIN_L HISTORY P3 orbmode = TLE_TEXT2 HISTORY P4 orbname = ./00088679008_lev2/SWIFT_TLE_ARCHIVE.txt.18173.06486889 HISTORY P5 attname = ./00088679008/auxil/sw00088679008pat.fits.gz HISTORY P6 alignfile = /mnt/usb/caldb/data/swift/mis/bcf/align/swalign20041115v0HISTORY P6 12.fits HISTORY P7 leapname = /mnt/usb/heasoft-6.25/x86_64-pc-linux-gnu-libc2.28/refdataHISTORY P7 /leapsec.fits HISTORY P8 rigname = /mnt/usb/heasoft-6.25/x86_64-pc-linux-gnu-libc2.28/refdata/HISTORY P8 rigidity.data HISTORY P9 start = 550647601.57045 HISTORY P10 end = 550676879.27932 HISTORY P11 interval = 1 HISTORY P12 attextrap = 32.0 HISTORY P13 origin = NASA/GSFC HISTORY P14 ranom = 158.956463879781 HISTORY P15 decnom = -59.5883119366972 HISTORY P16 missepoch = 2001-01-01T00:00:00.000 HISTORY P17 timeadj = DEFAULT HISTORY P18 compcols = TIME HISTORY P19 compapplyquat = no HISTORY P20 chatter = 3 HISTORY P21 clobber = yes HISTORY P22 history = yes HISTORY P23 mode = ql HISTORY END PARAMETER list for prefilter_PREFILTER v3.5 HISTORY END Aim;E_,٥@'>