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 defined in Astronomy andCOMMENT Astrophysics Supplement Series v44/p363, v44/p371, v73/p359, v73/p365.COMMENT Contact the NASA Science Office of Standards and Technology for the COMMENT FITS Definition document #100 and other FITS information. 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. ORIGIN = 'ASC ' / Source of FITS file CREATOR = 'acis_process_events' / tool that created this output CHECKSUM= 'MophOmofMmofMmof' / HDU checksum updated 2003-08-16T22:38:25 DATASUM = ' ' DATE = '2003-08-16T22:38:25' / Date and time of file creation DATE-OBS= '2001-07-31T17:01:55' / Date and time of observation start DATE-END= '2001-08-01T01:57:07' / Date and time of observation stop 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 = 1.1298611529781E+08 / Observation start time TSTOP = 1.1301822701158E+08 / Observation end time MISSION = 'AXAF ' / Mission TELESCOP= 'CHANDRA ' / Telescope INSTRUME= 'ACIS ' / Instrument OBS_ID = '1982 ' / Observation id OBI_NUM = 0 / Obi number SEQ_NUM = '500159 ' / Sequence number ASCDSVER= 'CIAO 2.3' / ASCDS version number END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 16 / width of table in bytes NAXIS2 = 1 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 2 / number of fields in each row EXTNAME = 'GTI ' / name of this binary table extension EXTVER = 3 HDUNAME = 'GTI3 ' / ASCDM block name TTYPE1 = 'START ' / label for field TFORM1 = '1D ' / format of field TUNIT1 = 's ' TTYPE2 = 'STOP ' / label for field TFORM2 = '1D ' / format of field TUNIT2 = 's ' 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. MISSION = 'AXAF ' / Mission TELESCOP= 'CHANDRA ' / Telescope INSTRUME= 'ACIS ' / Instrument MJDREF = 5.0814000000000E+04 / MJD zero point for times TSTART = 1.1298611529781E+08 / Observation start time TSTOP = 1.1301822701158E+08 / Observation end time TIMESYS = 'TT ' / Time system TIMEUNIT= 's ' / Time unit CHECKSUM= '3YaA4XX23Xa93XW9' / HDU checksum updated 2003-08-17T00:06:44 DATASUM = '4147211758' / data unit checksum updated 2003-08-16T22:43:45 CCD_ID = 3 / CCD for this table HISTORY dmcopy acis_evt2.fits[GTI3] c3.gti kernel=DEFAULT DSTYP1 = 'TIME ' / DM Keyword: Descriptor name. DSVAL1 = 'TABLE ' / DM Keyword: Descriptor value. DSFORM1 = 'D ' / DM Keyword: Descriptor datatype. DSREF1 = ':GTI3 ' END Ašð2Àd(™Ašò³—c