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 = 5.3046325726171E+04 / Modified Julian date of observation DS_IDENT= 'ADS/Sa.CXO#obs/04964' / dataset identifier REVISION= 2 / Processing version of data CHECKSUM= '5ACBA49979CAA999' / HDU checksum updated 2011-10-01T14:08:55 DATASUM = '1703971 ' / data unit checksum updated 2011-10-01T14:08:55 RAND_SKY= 5.0000000000000E-01 RAND_PI = 1.0000000000000E+00 EQUINOX = 2.0000000000000E+03 / default DATE = '2011-10-01T14:08:55' / Date and time of file creation DATE-OBS= '2004-02-11T07:49:02' / Observation start date OBS_MODE= 'POINTING' / Observation mode DATE-END= '2004-02-12T05:27:42' / 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= 1.9190095057371E+08 / Basic Time offset (s) DATACLAS= 'OBSERVED' / default BTIMRATE= 2.5625001120353E-01 / Basic Time clock rate (s / VCDUcount) BTIMDRFT= 1.9553337797812E-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 = -6.8282252473119E-01 / SIM focus pos (mm) SIM_Y = 0.0000000000000E+00 / SIM orthogonal axis pos (mm) SIM_Z = -1.9014006604987E+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 = 1.9287294274121E+08 / Observation start time GRATING = 'NONE ' / Grating DETNAM = 'ACIS-35678' / Detector RA_PNT = 1.7993203483520E+02 / Pointing RA DEC_PNT = 5.5556287072310E+01 / Pointing Dec ROLL_PNT= 1.3218340947826E+02 / Pointing Roll RA_TARG = 1.7996416700000E+02 / Observer's specified target RA DEC_TARG= 5.5533611000000E+01 / Observer's specified target Dec DEFOCUS = 1.4449365687057E-03 / SIM defocus (mm) RA_NOM = 1.7993203483520E+02 / Nominal RA DEC_NOM = 5.5556287072310E+01 / Nominal Dec ROLL_NOM= 1.3218340947826E+02 / Nominal Roll TSTOP = 1.9295086273212E+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 = 'Shedding X-ray Light on ``Dark'''' Groups of Galaxies' / Proposal titOBSERVER= 'Prof. David Buote' / Principal investigator OBJECT = 'RXJ 1159+5531' / Source name OBS_ID = '4964 ' / Observation id SEQ_NUM = '800410 ' / Sequence number ONTIME = 7.6092276791662E+04 / [s] Sum of GTIs ONTIME6 = 7.6092276791662E+04 / [s] Sum of GTIs LIVETIME= 7.5098075177060E+04 / [s] Livetime LIVTIME6= 7.5098075177060E+04 / [s] Livetime EXPOSURE= 7.5098075177060E+04 / [s] Exposure time EXPOSUR6= 7.5098075177060E+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 = 5.3046325726171E+04 / Modified Julian date of observation DS_IDENT= 'ADS/Sa.CXO#obs/04964' / dataset identifier REVISION= 2 / Processing version of data CHECKSUM= 'EGIXH9FXEGFXE9FX' / HDU checksum updated 2011-10-01T14:08:55 DATASUM = '3191573057' / data unit checksum updated 2011-10-01T14:08:55 RAND_SKY= 5.0000000000000E-01 RAND_PI = 1.0000000000000E+00 EQUINOX = 2.0000000000000E+03 / default DATE = '2011-10-01T14:08:55' / Date and time of file creation DATE-OBS= '2004-02-11T07:49:02' / Observation start date OBS_MODE= 'POINTING' / Observation mode DATE-END= '2004-02-12T05:27:42' / 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= 1.9190095057371E+08 / Basic Time offset (s) DATACLAS= 'OBSERVED' / default BTIMRATE= 2.5625001120353E-01 / Basic Time clock rate (s / VCDUcount) BTIMDRFT= 1.9553337797812E-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 = -6.8282252473119E-01 / SIM focus pos (mm) SIM_Y = 0.0000000000000E+00 / SIM orthogonal axis pos (mm) SIM_Z = -1.9014006604987E+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 = 1.9287294274121E+08 / Observation start time GRATING = 'NONE ' / Grating DETNAM = 'ACIS-35678' / Detector RA_PNT = 1.7993203483520E+02 / Pointing RA DEC_PNT = 5.5556287072310E+01 / Pointing Dec ROLL_PNT= 1.3218340947826E+02 / Pointing Roll RA_TARG = 1.7996416700000E+02 / Observer's specified target RA DEC_TARG= 5.5533611000000E+01 / Observer's specified target Dec DEFOCUS = 1.4449365687057E-03 / SIM defocus (mm) RA_NOM = 1.7993203483520E+02 / Nominal RA DEC_NOM = 5.5556287072310E+01 / Nominal Dec ROLL_NOM= 1.3218340947826E+02 / Nominal Roll TSTOP = 1.9295086273212E+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 = 'Shedding X-ray Light on ``Dark'''' Groups of Galaxies' / Proposal titOBSERVER= 'Prof. David Buote' / Principal investigator OBJECT = 'RXJ 1159+5531' / Source name OBS_ID = '4964 ' / Observation id SEQ_NUM = '800410 ' / Sequence number AREASCAL= 1.0000000000000E+00 / [pixel] Fractional area CORRSCAL= 0.0000000000000E+00 / [pixel] Fractional area BACKSCAL= 2.7351250655958E-05 / [pixel] Fractional area DETCHANS= 1024 / Number of channels TOTCTS = 112 / [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 = 7.6092276791662E+04 / [s] Sum of GTIs ONTIME6 = 7.6092276791662E+04 / [s] Sum of GTIs LIVETIME= 7.5098075177060E+04 / [s] Livetime LIVTIME6= 7.5098075177060E+04 / [s] Livetime EXPOSURE= 7.5098075177060E+04 / [s] Exposure time EXPOSUR6= 7.5098075177060E+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 2011-10-01T14:08:55 ASC00001HISTORY PARM :infile=../../acisf04964/products/events/fullrun_ccd6_aciASC00002HISTORY CONT :sf04964_pi14-548_pass1_cl_src21_src.evt.gz[events][bin PASC00003HISTORY CONT :I] ASC00004HISTORY PARM :outfile=../../acisf04964/products/spectra/fullrun_ccd6_aASC00005HISTORY CONT :cisf04964_pi14-548_pass1_cl_src21.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 = ':GTI6 ' DSTYP3 = 'ccd_id ' / DM Keyword: Descriptor name. DSVAL3 = '6:6 ' / 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 = '3:5031,5033:6993,6995:7377,7379:8459,8461:24233' / DM Keyword: DescriDSFORM5 = '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. 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DSVAL12 = 'Ellipse(4966.81,4383.03,24.1715,24.1715,0)' / [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. 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