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 = '2010-04-03T17:30:27' / Date and time of file creation DATE-OBS= '2000-10-12T21:04:44' / Observation start date DATE-END= '2000-10-13T08:46:25' / 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 = 8.7771884612812E+07 / Observation start time TSTOP = 8.7813985464401E+07 / Observation end time MISSION = 'AXAF ' / Mission TELESCOP= 'CHANDRA ' / Telescope INSTRUME= 'ACIS ' / Instrument OBS_ID = '492 ' / Observation id SEQ_NUM = '800000 ' / Sequence number ORIGIN = 'ASC ' / Source of FITS file CREATOR = 'mkwarf - Version CIAO 4.2' / tool that created this output MJD_OBS = 5.1829878294130E+04 / Modified Julian date of observation DS_IDENT= 'ADS/Sa.CXO#obs/00492' / dataset identifier CHECKSUM= 'ngPAoZO7nfOAnZO5' / HDU checksum updated 2010-04-03T17:30:27 DATASUM = ' ' / data unit checksum updated 2010-04-03T17:30:25 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 = '2010-04-03T17:30:27' / Date and time of file creation DATE-OBS= '2000-10-12T21:04:44' / Observation start date OBS_MODE= 'POINTING' / Observation mode DATE-END= '2000-10-13T08:46:25' / 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= 8.4421906199025E+07 / Basic Time offset (s) DATACLAS= 'OBSERVED' / default RADECSYS= 'ICRS ' / default BTIMRATE= 2.5625000964493E-01 / Basic Time clock rate (s / VCDUcount) BTIMDRFT= 2.3077512123493E-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 = 8.7771884612812E+07 / Observation start time GRATING = 'NONE ' / Grating DETNAM = 'ACIS-235678' / Detector RA_PNT = 2.8279656441456E+01 / Pointing RA DEC_PNT = -1.3727458660532E+01 / Pointing Dec ROLL_PNT= 2.5380965031099E+01 / Pointing Roll RA_TARG = 2.8251667000000E+01 / Observer's specified target RA DEC_TARG= -1.3738333000000E+01 / Observer's specified target Dec DEFOCUS = 1.4449365687057E-03 / SIM defocus (mm) RA_NOM = 2.8279656441456E+01 / Nominal RA DEC_NOM = -1.3727458660532E+01 / Nominal Dec ROLL_NOM= 2.5380965031099E+01 / Nominal Roll TSTOP = 8.7813985464401E+07 / Observation end time STARTOBT= 0.0000000000000E+00 / On-Board MET close to STARTMJF and STARTMNF TIMEPIXR= 5.0000000000000E-01 / default TIMEDEL = 3.2410400000000E+00 / timedel Lev1 (in seconds) CTI_CORR= T CTI_APP = 'PPPPPBPBPP' MISSION = 'AXAF ' / Mission TELESCOP= 'CHANDRA ' / Telescope INSTRUME= 'ACIS ' / Instrument READMODE= 'TIMED ' / Read mode DATAMODE= 'FAINT ' / Data mode FLSHTIME= 0.0000000000000E+00 / Inferred duration of each flush. (s) CYCLE = 'P ' / events from which exps? Prim/Second/Both TITLE = 'THE SHAPE OF THE DARK MATTER DISTRIBUTIONIN NGC 720' / Proposal titleOBSERVER= 'Prof. Gordon Garmire' / Principal investigator OBJECT = 'NGC 720 ' / Source name OBS_ID = '492 ' / Observation id SEQ_NUM = '800000 ' / Sequence number ONTIME = 3.9036787186846E+04 / [s] Sum of GTIs LIVETIME= 3.8542479882355E+04 / [s] Livetime EXPOSURE= 3.8542479882355E+04 / [s] Exposure time DTCOR = 9.8733739787229E-01 / Dead time correction ASPTYPE = 'KALMAN ' FP_TEMP = 1.5344601440000E+02 / [K] Focal Plane Temperature ORIGIN = 'ASC ' / Source of FITS file CREATOR = 'mkwarf - Version CIAO 4.2' / tool that created this output ASCDSVER= 'CIAO 4.2' / ASCDS version number MJD_OBS = 5.1829878294130E+04 / Modified Julian date of observation DS_IDENT= 'ADS/Sa.CXO#obs/00492' / dataset identifier REVISION= 2 / Processing version of data CHECKSUM= 'n6ZAn4Y5n4YAn4Y5' / HDU checksum updated 2010-04-03T17:30:27 DATASUM = '3308288228' / data unit checksum updated 2010-04-03T17:30:27 RAND_SKY= 5.0000000000000E-01 RAND_PI = 1.0000000000000E+00 HDUCLASS= 'OGIP ' HDUCLAS1= 'RESPONSE' HDUCLAS2= 'SPECRESP' HDUVERS = '1.1.0 ' / HDU version HDUVERS1= '1.0.0 ' / HDU version HDUVERS2= '1.1.0 ' / HDU version CHANTYPE= 'PI ' / Channel Type DETCHANS= 1070 / Number of detector channels ARFVERSN= '1992a ' / RMF version number CONTENT = 'SPECRESP' THRSHLD = 0.0000000000000E+00 / FEF contrib percentage cutoff HISTNUM = 72 HISTORY TOOL :mkwarf 2010-04-03T17:30:27 ASC00001HISTORY PARM :infile=../../acisf00492/products/spectra/fullrun_ccd7_acASC00002HISTORY CONT :isf00492_pi14-548_pass1_cl_src15.pi[WMAP] ASC00003HISTORY PARM :outfile=../../acisf00492/products/spectra/fullrun_ccd7_aASC00004HISTORY CONT :cisf00492_pi14-548_pass1_cl_src15.warf ASC00005HISTORY PARM :weightfile=../../acisf00492/products/spectra/fullrun_ccdASC00006HISTORY CONT :7_acisf00492_pi14-548_pass1_cl_src15.wfef ASC00007HISTORY PARM :spectrumfile= ASC00008HISTORY PARM :egridspec=0.3:11.0:0.01 ASC00009HISTORY PARM :pbkfile=../../acisf00492/data/aux/acisf087772471N002_pbkASC00010HISTORY CONT :0.fits.gz ASC00011HISTORY PARM :threshold=0 ASC00012HISTORY PARM :feffile=CALDB ASC00013HISTORY PARM :mskfile= ASC00014HISTORY PARM :asolfile= ASC00015HISTORY PARM :mirror=HRMA ASC00016HISTORY PARM :detsubsysmod= ASC00017HISTORY PARM :dafile=CALDB ASC00018HISTORY PARM :ardlibpar=ardlib ASC00019HISTORY PARM :geompar=geom ASC00020HISTORY PARM :clobber=yes ASC00021HISTORY PARM :verbose=0 ASC00022FEFFILE = '/opt/ciao-4.2/CALDB/data/chandra/acis/fef_pha/acisD2000-01-29fef_ph&'CONTINUE 'a_ctiN0004.fits' / FITS Embedded function file HISTORY PARM :ARDLIB Version: 0.8.4 ASC00023HISTORY PARM :File used for CALDB info: ../../acisf00492/products/specASC00024HISTORY CONT :tra/fullrun_ccd7_acisf00492_pi14-548_pass1_cl_src15.pi[WASC00025HISTORY CONT :MAP] ASC00026HISTORY PARM :Parameter file: /home/xassist/cxcds_param4/ardlib.par ASC00027HISTORY PARM :Vignetting File: /opt/ciao-4.2/CALDB/data/chandra/defaulASC00028HISTORY CONT :t/vignet/hrmaD1996-12-20vignetN0003.fits[1] ASC00029HISTORY PARM :Onaxis Area File: /opt/ciao-4.2/CALDB/data/chandra/defauASC00030HISTORY CONT :lt/axeffa/hrmaD1996-12-20axeffaN0008.fits[1] ASC00031HISTORY PARM :ACIS QE File: /opt/ciao-4.2/CALDB/data/chandra/acis/qe/aASC00032HISTORY CONT :cisD1997-04-17qeN0006.fits[8] ASC00033HISTORY PARM :ACIS Uniformity File: /opt/ciao-4.2/CALDB/data/chandra/aASC00034HISTORY CONT :cis/qeu/acisD2000-01-29qeuN0006.fits[8] ASC00035HISTORY PARM :ACIS Contamination File: /opt/ciao-4.2/CALDB/data/chandrASC00036HISTORY CONT :a/acis/contam/acisD1999-08-13contamN0005.fits[8] ASC00037HISTORY PARM :ACIS 7 Badpix File: /xassist/data/pipeline4/chandra/4917ASC00038HISTORY CONT :/acisf04917/data/aux/acisf04917_000N002_bpix1.fits.gz[BAASC00039HISTORY CONT :DPIX7] ASC00040HISTORY PARM :File used for CALDB info: ../../acisf00492/products/specASC00041HISTORY CONT :tra/fullrun_ccd7_acisf00492_pi14-548_pass1_cl_src15.pi[WASC00042HISTORY CONT :MAP] ASC00043HISTORY PARM :File used for CALDB info: ../../acisf00492/products/specASC00044HISTORY CONT :tra/fullrun_ccd7_acisf00492_pi14-548_pass1_cl_src15.pi[WASC00045HISTORY CONT :MAP] ASC00046HISTORY PARM :PIXLIB Version: 4.0.0 ASC00047HISTORY PARM :****** PIXLIB Parameter File ***** ASC00048HISTORY PARM :/opt/ciao-4.2/param/geom.par: ASC00049HISTORY PARM :instruments = /opt/ciao-4.2/CALDB/data/chandra/default/ASC00050HISTORY CONT :geom/telD1999-07-23geomN0005.fits(CALDB) ASC00051HISTORY PARM :aimpoints = /opt/ciao-4.2/CALDB/data/chandra/default/ASC00052HISTORY CONT :aimpts/telD1999-07-23aimptsN0002.fits(CALDB) ASC00053HISTORY PARM :tdet = /opt/ciao-4.2/CALDB/data/chandra/default/ASC00054HISTORY CONT :tdet/telD1999-07-23tdetN0001.fits(CALDB) ASC00055HISTORY PARM :sky = /opt/ciao-4.2/CALDB/data/chandra/default/ASC00056HISTORY CONT :sky/telD1999-07-23skyN0001.fits(CALDB) ASC00057HISTORY PARM :shell = /opt/ciao-4.2/CALDB/data/chandra/default/ASC00058HISTORY CONT :sgeom/telD1999-07-23sgeomN0001.fits(CALDB) ASC00059HISTORY PARM :obsfile = nowT00:00:00() ASC00060HISTORY PARM :****** PIXLIB System Configuration ****** ASC00061HISTORY PARM :Telescope = Chandra ASC00062HISTORY PARM :Focal Length (mm) = 10070.000 ASC00063HISTORY PARM :Detector = ACIS ASC00064HISTORY PARM :Focal Plane Sys. = FP-1.1 ASC00065HISTORY PARM :Tiled Detector Plane Sys. = ACIS-2.2 ASC00066HISTORY PARM :SIM Offset (mm) = (0.684 0.75 236.552) ASC00067HISTORY PARM :Aim Point(NONE) (mm) = (-0.682823 0 -190.14) ASC00068HISTORY PARM :Grating Arm = HEG ASC00069HISTORY PARM :Grating Order = 1 ASC00070HISTORY PARM :Dispersion Plane Sys. = ASC-GDP-1.1 ASC00071HISTORY PARM :Rowland Circle (mm) = 8632.48 ASC00072END >>RAj>R> BNڠ> >B},">>{B=_>{>33B}>33>QB >Q>pB5>p>\B푛>\>ǮC^>Ǯ>C>>C>> =C> =>(C.>(>GC=;>G>ffCIj>ff>CW:e>>Cc!>>Co>>HC{6>H? C&? ?\Ca?\?C[n??C4a?? =qC٧? =q?CkD??\)CKk?\)?CI??zCJ?z? =Cq? =?CD??(C?(?RCq?R?!GC*?!G?# C?# ?&ffC7?&ff?(C1v?(?+C?+?.{CY?.{?0CP?0?333C*?333?5C*?5?8QCg~?8Q?:HCׅ%?:H?=pCֳ?=p?@ C[?@ ?B\C?B\?EC, ?E?GC>z?G?J=qCW?J=q?LCm?L?O\)CU?O\)?QC?Q?TzD ?Tz?W =DX?W =?YDj?Y?\(D?\(?^RDT,?^R?aGD¨?aG?c D )?c ?fffD ?fff?hD˶?h?kD%?k?n{D _?n{?pD?p?s33DP?s33?uDL?u?xQD?xQ?zHDR?zH?}pDE?}p? D1? ?GD?G?\D?\? D? ?DC??ffD?ff?Dq??D???=qDD?=q?DQ??D6!??{D?{?\)D?\)?D\??D \??33D 33?zD!U?z?D!?? =D"? =?QD"?Q?D#??HD#?H?(D$i}?(?pD$K?p?RD%J'?R? D%? ?GD&?G?\D&l?\? D&Ȁ? ?D'??ffD'g4?ff?D'??D'??=qD()2?=q?D(z??D(@??{D)?{?\)D)k?\)?D)??D*,??33D*O.?33?zD*z?z?D*H?? =D*? =?QD+?Q?D+;|??HD+`6?H?(D+(?(?pD+?p?RD+$?R? D+? ?GD, ?G?\D, ?\? D,0g? ?D,