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 HDUNAME = 'PRIMARY ' LONGSTRN= 'OGIP 1.0' / The HEASARC Long String Convention may be used.COMMENT This FITS file may contain long string keyword values that are COMMENT continued over multiple keywords. The HEASARC convention uses the & COMMENT character at the end of each substring which is then continued COMMENT on the next keyword which has the name CONTINUE. DATE = '2010-05-07T22:09:39' / Date and time of file creation DATE-OBS= '2002-11-20T10:12:47' / Observation start date DATE-END= '2002-11-20T16:03:47' / Observation end date TIMESYS = 'TT ' / Time system MJDREF = 5.0814000000000E+04 / MJD zero point for times TIMEZERO= 0.0000000000000E+00 / Clock correction TIMEUNIT= 's ' / Time unit CLOCKAPP= T / default TSTART = 1.5417436795494E+08 / Observation start time TSTOP = 1.5419542760581E+08 / Observation end time MISSION = 'AXAF ' / Mission TELESCOP= 'CHANDRA ' / Telescope INSTRUME= 'ACIS ' / Instrument OBS_ID = '3256 ' / Observation id OBI_NUM = 0 / Obi number SEQ_NUM = '800256 ' / Sequence number ORIGIN = 'ASC ' / Source of FITS file CREATOR = 'mkwarf - Version CIAO 4.2' / tool that created this output MJD_OBS = 5.2598425555034E+04 / Modified Julian date of observation DS_IDENT= 'ADS/Sa.CXO#obs/03256' / dataset identifier CHECKSUM= '6jJj7j9j6jGj6j9j' / HDU checksum updated 2010-05-07T22:09:39 DATASUM = ' ' / data unit checksum updated 2010-05-07T22:09:36 END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 12 / width of table in bytes NAXIS2 = 1070 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 3 / number of fields in each row EXTNAME = 'SPECRESP' / name of this binary table extension HDUNAME = 'SPECRESP' / ASCDM block name TTYPE1 = 'ENERG_LO' / Min Energy TFORM1 = '1E ' / format of field TUNIT1 = 'keV ' TTYPE2 = 'ENERG_HI' / Max Energy TFORM2 = '1E ' / format of field TUNIT2 = 'keV ' TTYPE3 = 'SPECRESP' / Effective Area TFORM3 = '1E ' / format of field TUNIT3 = 'cm**2 ' EQUINOX = 2.0000000000000E+03 / default LONGSTRN= 'OGIP 1.0' / The HEASARC Long String Convention may be used.COMMENT This FITS file may contain long string keyword values that are COMMENT continued over multiple keywords. The HEASARC convention uses the & COMMENT character at the end of each substring which is then continued COMMENT on the next keyword which has the name CONTINUE. DATE = '2010-05-07T22:09:39' / Date and time of file creation DATE-OBS= '2002-11-20T10:12:47' / Observation start date OBS_MODE= 'POINTING' / Observation mode DATE-END= '2002-11-20T16:03:47' / Observation end date TIMESYS = 'TT ' / Time system MJDREF = 5.0814000000000E+04 / MJD zero point for times TIMEZERO= 0.0000000000000E+00 / Clock correction TIMEUNIT= 's ' / Time unit BTIMNULL= 1.5320849452725E+08 / Basic Time offset (s) DATACLAS= 'OBSERVED' / default RADECSYS= 'ICRS ' / default BTIMRATE= 2.5625001065711E-01 / Basic Time clock rate (s / VCDUcount) BTIMDRFT= 3.0250050000000E-18 / Basic Time clock drift (s / VCDUcount^2) BTIMCORR= 0.0000000000000E+00 / Correction applied to Basic Time rate (s) TIMEREF = 'LOCAL ' / Time reference (barycenter/local) TASSIGN = 'SATELLITE' / Time assigned by clock CLOCKAPP= T / default SIM_X = -7.8090834371673E-01 / SIM focus pos (mm) SIM_Y = 0.0000000000000E+00 / SIM orthogonal axis pos (mm) SIM_Z = -2.2773410843880E+02 / SIM translation stage pos (mm) FOC_LEN = 1.0070000000000E+04 / HRMA focal length (mm) TIERRELA= 1.0000000000000E-09 / default TIERABSO= 5.0000000000000E-05 / default TIMVERSN= 'ASC-FITS-2' / Timing system definition TSTART = 1.5417436795494E+08 / Observation start time GRATING = 'NONE ' / Grating DETNAM = 'ACIS-01236' / Detector RA_PNT = 1.7893004991506E+01 / Pointing RA DEC_PNT = 8.8919584016062E+00 / Pointing Dec ROLL_PNT= 2.9092278240754E+02 / Pointing Roll RA_TARG = 1.7881250000000E+01 / Observer's specified target RA DEC_TARG= 8.9277780000000E+00 / Observer's specified target Dec DEFOCUS = 1.4398718632593E-03 / SIM defocus (mm) RA_NOM = 1.7893004991506E+01 / Nominal RA DEC_NOM = 8.8919584016062E+00 / Nominal Dec ROLL_NOM= 2.9092278240754E+02 / Nominal Roll TSTOP = 1.5419542760581E+08 / Observation end time STARTMJF= 29475 / Major frame ctr value at start of data STARTMNF= 86 / Start minor frame ctr at start of data STARTOBT= 0.0000000000000E+00 / On-Board MET close to STARTMJF and STARTMNF STOPMJF = 30078 / Major frame ctr value at stop of data STOPMNF = 18 / Stop minor frame ctr at end of data TIMEPIXR= 5.0000000000000E-01 / default TIMEDEL = 3.1410400000000E+00 / timedel Lev1 (in seconds) CTI_APP = 'PPPPPBPBPP' CTI_CORR= T MISSION = 'AXAF ' / Mission TELESCOP= 'CHANDRA ' / Telescope INSTRUME= 'ACIS ' / Instrument READMODE= 'TIMED ' / Read mode DATAMODE= 'VFAINT ' / Data mode FLSHTIME= 0.0000000000000E+00 / Inferred duration of each flush. 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