SIMPLE  =                    T / file does conform to FITS standard             BITPIX  =                   16 / number of bits per data pixel                  NAXIS   =                    2 / number of data axes                            NAXIS1  =                 1024 / length of data axis                            NAXIS2  =                 1024 / length of data axis                            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 = 'WMAP    '           / ASCDM block name                               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.                      EXTNAME = 'WMAP    '           / Weighted image map                             HDUCLASS= 'OGIP    '           / GSFC HEASARC                                   HDUCLAS1= 'IMAGE   '           / GSFC HEASARC                                   HDUCLAS2= 'WMAP    '           / GSFC HEASARC                                   MTYPE1  = 'tdet    '           / DM Keyword: Descriptor name.                   MFORM1  = 'tdetx,tdety'        / [pixel]                                        CTYPE1P = 'tdetx   '           / ACIS tiled detector coordinates                CRVAL1P =  5.0000000000000E-01                                                  CRPIX1P =  5.0000000000000E-01                                                  CDELT1P =  8.0000000000000E+00                                                  WCSTY1P = 'PHYSICAL'                                                            LTV1    =  4.3750000000000E-01                                                  LTM1_1  =  1.2500000000000E-01                                                  CTYPE2P = 'tdety   '           / ACIS tiled detector coordinates                CRVAL2P =  5.0000000000000E-01                                                  CRPIX2P =  5.0000000000000E-01                                                  CDELT2P =  8.0000000000000E+00                                                  WCSTY2P = 'PHYSICAL'                                                            ORIGIN  = 'ASC     '           / Source of FITS file                            CREATOR = 'dmextract - Version CIAO 4.3' / tool that created this output        ASCDSVER= 'CIAO 4.3'           / ASCDS version number                           MJD_OBS =  5.2977576179341E+04 / Modified Julian date of observation            DS_IDENT= 'ADS/Sa.CXO#obs/04215' / dataset identifier                           REVISION=                    2 / Processing version of data                     CHECKSUM= 'USBaVRAYURAaURAW'   / HDU checksum updated 2011-10-03T08:14:14       DATASUM = '3211312 '           / data unit checksum updated 2011-10-03T08:14:14 RAND_SKY=  5.0000000000000E-01                                                  RAND_PI =  1.0000000000000E+00                                                  EQUINOX =  2.0000000000000E+03 / default                                        DATE    = '2011-10-03T08:14:14' / Date and time of file creation                DATE-OBS= '2003-12-04T13:49:41' / Observation start date                        OBS_MODE= 'POINTING'           / Observation mode                               DATE-END= '2003-12-05T08:59:23' / 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=  1.8330262700005E+08 / Basic Time offset (s)                          DATACLAS= 'OBSERVED'           / default                                        BTIMRATE=  2.5625001110354E-01 / Basic Time clock rate (s / VCDUcount)          BTIMDRFT=  2.4562441545951E-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   = -2.2658758066129E+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  =  1.8693298189503E+08 / Observation start time                         GRATING = 'NONE    '           / Grating                                        DETNAM  = 'ACIS-01236'         / Detector                                       RA_PNT  =  7.3569819705924E+01 / Pointing RA                                    DEC_PNT =  2.8988531634565E+00 / Pointing Dec                                   ROLL_PNT=  8.8196732956925E+00 / Pointing Roll                                  RA_TARG =  7.3515833000000E+01 / Observer's specified target RA                 DEC_TARG=  2.8925000000000E+00 / Observer's specified target Dec                DEFOCUS =  1.4398718632593E-03 / SIM defocus (mm)                               RA_NOM  =  7.3569819705924E+01 / Nominal RA                                     DEC_NOM =  2.8988531634565E+00 / Nominal Dec                                    ROLL_NOM=  8.8196732956925E+00 / Nominal Roll                                   TSTOP   =  1.8700196337302E+08 / Observation end time                           STARTOBT=  0.0000000000000E+00 / On-Board MET close to STARTMJF and STARTMNF    TIMEPIXR=  5.0000000000000E-01 / default                                        TIMEDEL =  3.1410400000000E+00 / timedel Lev1 (in seconds)                      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. (s)           CYCLE   = 'P       '           / events from which exps? Prim/Second/Both       TITLE   = 'ABELL 520: A LABORATORY EXPERIMENT IN CLUSTER MERGERS' / Proposal titOBSERVER= 'Dr Diab Jerius'     / Principal investigator                         OBJECT  = 'ABELL 520'          / Source name                                    OBS_ID  = '4215    '           / Observation id                                 SEQ_NUM = '800371  '           / Sequence number                                ONTIME  =  6.7152138880134E+04 / [s] Sum of GTIs                                ONTIME3 =  6.7152138880134E+04 / [s] Sum of GTIs                                LIVETIME=  6.6274746748979E+04 / [s] Livetime                                   LIVTIME3=  6.6274746748979E+04 / [s] Livetime                                   EXPOSURE=  6.6274746748979E+04 / [s] Exposure time                              EXPOSUR3=  6.6274746748979E+04 / [s] Exposure time                              DTCOR   =  9.8693426381071E-01 / Dead time correction                           ASPTYPE = 'KALMAN  '                                                            FP_TEMP =  1.5360722351000E+02 / [K] Focal Plane Temperature                    RADESYS = 'ICRS    '           / default                                        LTV2    =  4.3750000000000E-01                                                  LTM2_2  =  1.2500000000000E-01                                                  END                                                                             








XTENSION= 'BINTABLE'           / binary table extension                         BITPIX  =                    8 / 8-bit bytes                                    NAXIS   =                    2 / 2-dimensional binary table                     NAXIS1  =                   24 / width of table in bytes                        NAXIS2  =                 1024 / number of rows in table                        PCOUNT  =                    0 / size of special data area                      GCOUNT  =                    1 / one data group (required keyword)              TFIELDS =                    4 / number of fields in each row                   EXTNAME = 'SPECTRUM'           / name of this binary table extension            HDUNAME = 'SPECTRUM'           / ASCDM block name                               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 = 'dmextract - Version CIAO 4.3' / tool that created this output        ASCDSVER= 'CIAO 4.3'           / ASCDS version number                           MJD_OBS =  5.2977576179341E+04 / Modified Julian date of observation            DS_IDENT= 'ADS/Sa.CXO#obs/04215' / dataset identifier                           REVISION=                    2 / Processing version of data                     CHECKSUM= 'XmXiZkUfXkUfXkUf'   / HDU checksum updated 2011-10-03T08:14:14       DATASUM = '1309750495'         / data unit checksum updated 2011-10-03T08:14:14 RAND_SKY=  5.0000000000000E-01                                                  RAND_PI =  1.0000000000000E+00                                                  EQUINOX =  2.0000000000000E+03 / default                                        DATE    = '2011-10-03T08:14:14' / Date and time of file creation                DATE-OBS= '2003-12-04T13:49:41' / Observation start date                        OBS_MODE= 'POINTING'           / Observation mode                               DATE-END= '2003-12-05T08:59:23' / 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=  1.8330262700005E+08 / Basic Time offset (s)                          DATACLAS= 'OBSERVED'           / default                                        BTIMRATE=  2.5625001110354E-01 / Basic Time clock rate (s / VCDUcount)          BTIMDRFT=  2.4562441545951E-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   = -2.2658758066129E+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  =  1.8693298189503E+08 / Observation start time                         GRATING = 'NONE    '           / Grating                                        DETNAM  = 'ACIS-01236'         / Detector                                       RA_PNT  =  7.3569819705924E+01 / Pointing RA                                    DEC_PNT =  2.8988531634565E+00 / Pointing Dec                                   ROLL_PNT=  8.8196732956925E+00 / Pointing Roll                                  RA_TARG =  7.3515833000000E+01 / Observer's specified target RA                 DEC_TARG=  2.8925000000000E+00 / Observer's specified target Dec                DEFOCUS =  1.4398718632593E-03 / SIM defocus (mm)                               RA_NOM  =  7.3569819705924E+01 / Nominal RA                                     DEC_NOM =  2.8988531634565E+00 / Nominal Dec                                    ROLL_NOM=  8.8196732956925E+00 / Nominal Roll                                   TSTOP   =  1.8700196337302E+08 / Observation end time                           STARTOBT=  0.0000000000000E+00 / On-Board MET close to STARTMJF and STARTMNF    TIMEPIXR=  5.0000000000000E-01 / default                                        TIMEDEL =  3.1410400000000E+00 / timedel Lev1 (in seconds)                      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. (s)           CYCLE   = 'P       '           / events from which exps? Prim/Second/Both       TITLE   = 'ABELL 520: A LABORATORY EXPERIMENT IN CLUSTER MERGERS' / Proposal titOBSERVER= 'Dr Diab Jerius'     / Principal investigator                         OBJECT  = 'ABELL 520'          / Source name                                    OBS_ID  = '4215    '           / Observation id                                 SEQ_NUM = '800371  '           / Sequence number                                AREASCAL=  1.0000000000000E+00 / [pixel] Fractional area                        CORRSCAL=  0.0000000000000E+00 / [pixel] Fractional area                        BACKSCAL=  3.5846162728651E-06 / [pixel] Fractional area                        DETCHANS=                 1024 / Number of channels                             TOTCTS  =                  149 / [count] Total counts                           POISSERR=                    T / Assumed Poisson errs                           SYS_ERR =  0.0000000000000E+00 / Systematic errors                              QUALITY =                    0 / Quality flag                                   GROUPING=                    0 / Grouping flag                                  HISTNUM =                   18                                                  ONTIME  =  6.7152138880134E+04 / [s] Sum of GTIs                                ONTIME3 =  6.7152138880134E+04 / [s] Sum of GTIs                                LIVETIME=  6.6274746748979E+04 / [s] Livetime                                   LIVTIME3=  6.6274746748979E+04 / [s] Livetime                                   EXPOSURE=  6.6274746748979E+04 / [s] Exposure time                              EXPOSUR3=  6.6274746748979E+04 / [s] Exposure time                              DTCOR   =  9.8693426381071E-01 / Dead time correction                           ASPTYPE = 'KALMAN  '                                                            FP_TEMP =  1.5360722351000E+02 / [K] Focal Plane Temperature                    RADESYS = 'ICRS    '           / default                                        CONTENT = 'PHA     '           / PHA file                                       HDUCLASS= 'OGIP    '           / format conforms to OGIP/GSFC Spectral standardsHDUDOC  = 'Arnaud et al. 1992a Legacy 2  p 65' / Documentation for format       HDUCLAS1= 'SPECTRUM'           / Extension contains a Spectrum                  HDUCLAS2= 'TOTAL   '           / Spectrum total counts                          HDUCLAS3= 'TYPE:I  '           / One spectrum in the file                       HDUCLAS4= 'COUNT   '           / Spectrum total counts                          HDUVERS = '1.1.0   '           / Format version                                 HDUVERS1= '1.1.0   '           / Format version                                 CHANTYPE= 'PI      '           / PHA type                                       BACKFILE= 'none    '                                                            CORRFILE= 'none    '                                                            RESPFILE= 'none    '                                                            ANCRFILE= 'none    '                                                            HISTORY dmextract binning: File EVENTS Col pi Binning 0.5:1024.5:1              HISTORY  TOOL  :dmextract   2011-10-03T08:14:14                         ASC00001HISTORY  PARM  :infile=../../acisf04215/products/events/fullrun_ccd3_aciASC00002HISTORY  CONT  :sf04215_pi14-548_pass1_cl_src17_src.evt.gz[events][bin PASC00003HISTORY  CONT  :I]                                                      ASC00004HISTORY  PARM  :outfile=../../acisf04215/products/spectra/fullrun_ccd3_aASC00005HISTORY  CONT  :cisf04215_pi14-548_pass1_cl_src17.pi                    ASC00006HISTORY  PARM  :bkg=                                                    ASC00007HISTORY  PARM  :error=gaussian                                          ASC00008HISTORY  PARM  :bkgerror=gaussian                                       ASC00009HISTORY  PARM  :bkgnorm=1                                               ASC00010HISTORY  PARM  :exp=                                                    ASC00011HISTORY  PARM  :bkgexp=                                                 ASC00012HISTORY  PARM  :sys_err=0                                               ASC00013HISTORY  PARM  :opt=pha1                                                ASC00014HISTORY  PARM  :defaults=/opt/ciao-4.3/data/cxo.mdb                     ASC00015HISTORY  PARM  :wmap=[energy=300:2000][bin tdet=8]                      ASC00016HISTORY  PARM  :clobber=yes                                             ASC00017HISTORY  PARM  :verbose=0                                               ASC00018TTYPE1  = 'CHANNEL '           / PI                                             TFORM1  = '1J      '           / format of field                                TUNIT1  = 'channel '                                                            TTYPE2  = 'PI      '           / pulse invariant energy of event                TFORM2  = '1D      '           / format of field                                TUNIT2  = 'chan    '                                                            TTYPE3  = 'COUNTS  '           / Counts                                         TFORM3  = '1J      '           / format of field                                TUNIT3  = 'count   '                                                            TTYPE4  = 'COUNT_RATE'         / Rate                                           TFORM4  = '1D      '           / format of field                                TUNIT4  = 'count/s '                                                            TLMIN1  =                    1                                                  TLMAX1  =                 1024                                                  TLMIN2  =  1.0000000000000E+00                                                  TLMAX2  =  1.0240000000000E+03                                                  TLMIN4  =  0.0000000000000E+00                                                  DSTYP1  = 'PI      '           / DM Keyword: Descriptor name.                   DSVAL1  = '14:548  '           / [chan]                                         DSFORM1 = 'D       '           / DM Keyword: Descriptor datatype.               DSUNIT1 = 'chan    '           / DM Keyword: Descriptor unit.                   DSTYP2  = 'time    '           / DM Keyword: Descriptor name.                   DSVAL2  = 'TABLE   '           / [s]                                            DSFORM2 = 'D       '           / DM Keyword: Descriptor datatype.               DSUNIT2 = 's       '           / DM Keyword: Descriptor unit.                   DSREF2  = ':GTI3   '                                                            DSTYP3  = 'ccd_id  '           / DM Keyword: Descriptor name.                   DSVAL3  = '3:3     '           / DM Keyword: Descriptor value.                  DSFORM3 = 'I       '           / DM Keyword: Descriptor datatype.               DSTYP4  = 'node_id '           / DM Keyword: Descriptor name.                   DSVAL4  = '0:3     '           / DM Keyword: Descriptor value.                  DSFORM4 = 'I       '           / DM Keyword: Descriptor datatype.               DSTYP5  = 'expno   '           / DM Keyword: Descriptor name.                   DSVAL5  = '3:57,59:60,62:62,66:67,69:69,71:71,73:73,75:75,78:78,80:80,83:83,86&'CONTINUE  ':86,89:90,92:92,94:94,97:97,99:99,101:101,106:106,108:108,111:111,1&'CONTINUE  '14:114,116:116,118:118,120:120,123:123,127:127,129:129,131:131,133:&'CONTINUE  '133,136:136,138:138,142:142,146:146,150:150,152:152,156:157,160:160&'CONTINUE  ',163:163,165:165,167:167,169:169,172:172,175:175,179:179,184:184,18&'CONTINUE  '7:187,190:190,192:192,194:194,196:196,199:199,201:201,203:203,207:2&'CONTINUE  '07,213:213,216:216,218:219,221:221,223:223,227:227,229:229,232:232,&'CONTINUE  '235:235,237:237,239:239,242:242,244:244,247:249,334:335,337:337,339&'CONTINUE  ':348,351:352,355:356,358:359,362:370,372:372,374:376,378:6158,6160:&'CONTINUE  '7570,7572:21742'    / DM Keyword: Descriptor value.                  DSFORM5 = 'J       '           / DM Keyword: Descriptor datatype.               DSTYP6  = 'chipx   '           / DM Keyword: Descriptor name.                   DSVAL6  = '1:1024  '           / [pixel]                                        DSFORM6 = 'I       '           / DM Keyword: Descriptor datatype.               DSUNIT6 = 'pixel   '           / DM Keyword: Descriptor unit.                   DSTYP7  = 'chipy   '           / DM Keyword: Descriptor name.                   DSVAL7  = '1:1024  '           / [pixel]                                        DSFORM7 = 'I       '           / DM Keyword: Descriptor datatype.               DSUNIT7 = 'pixel   '           / DM Keyword: Descriptor unit.                   DSTYP8  = 'tdetx   '           / DM Keyword: Descriptor name.                   DSVAL8  = '1:8192  '           / [pixel]                                        DSFORM8 = 'I       '           / DM Keyword: Descriptor datatype.               DSUNIT8 = 'pixel   '           / DM Keyword: Descriptor unit.                   DSTYP9  = 'tdety   '           / DM Keyword: Descriptor name.                   DSVAL9  = '1:8192  '           / [pixel]                                        DSFORM9 = 'I       '           / DM Keyword: Descriptor datatype.               DSUNIT9 = 'pixel   '           / DM Keyword: Descriptor unit.                   DSTYP10 = 'detx    '           / DM Keyword: Descriptor name.                   DSVAL10 = '0.5:8192.5'         / [pixel]                                        DSFORM10= 'E       '           / DM Keyword: Descriptor datatype.               DSUNIT10= 'pixel   '           / DM Keyword: Descriptor unit.                   DSTYP11 = 'dety    '           / DM Keyword: Descriptor name.                   DSVAL11 = '0.5:8192.5'         / [pixel]                                        DSFORM11= 'E       '           / DM Keyword: Descriptor datatype.               DSUNIT11= 'pixel   '           / DM Keyword: Descriptor unit.                   DSTYP12 = 'sky(x,y)'           / DM Keyword: Descriptor name.                   DSVAL12 = 'Ellipse(4633.38,3692.79,8.75057,8.75057,0)' / [pixel]                DSFORM12= 'E       '           / DM Keyword: Descriptor datatype.               DSUNIT12= 'pixel   '           / DM Keyword: Descriptor unit.                   DSTYP13 = 'pha     '           / DM Keyword: Descriptor name.                   DSVAL13 = '0:36855 '           / [adu]                                          DSFORM13= 'J       '           / DM Keyword: Descriptor datatype.               DSUNIT13= 'adu     '           / DM Keyword: Descriptor unit.                   DSTYP14 = 'pha_ro  '           / DM Keyword: Descriptor name.                   DSVAL14 = '0:36855 '           / [adu]                                          DSFORM14= 'J       '           / DM Keyword: Descriptor datatype.               DSUNIT14= 'adu     '           / DM Keyword: Descriptor unit.                   DSTYP15 = 'energy  '           / DM Keyword: Descriptor name.                   DSVAL15 = '0:1000000'          / [eV]                                           DSFORM15= 'E       '           / DM Keyword: Descriptor datatype.               DSUNIT15= 'eV      '           / DM Keyword: Descriptor unit.                   DSTYP16 = 'fltgrade'           / DM Keyword: Descriptor name.                   DSVAL16 = '0:255   '           / DM Keyword: Descriptor value.                  DSFORM16= 'I       '           / DM Keyword: Descriptor datatype.               DSTYP17 = 'grade   '           / DM Keyword: Descriptor name.                   DSVAL17 = '0:0,2:2,3:3,4:4,6:6' / DM Keyword: Descriptor value.                 DSFORM17= 'I       '           / DM Keyword: Descriptor datatype.               DSTYP18 = 'phas    '           / DM Keyword: Descriptor name.                   DSVAL18 = '-4096:4095'         / DM Keyword: Descriptor value.                  DSFORM18= 'I       '           / DM Keyword: Descriptor datatype.               END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
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