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 ' / ASCDM block name ORIGIN = 'ASC ' / Source of FITS file CREATOR = 'mkarf v0.6.2-0' / Program creating this file CHECKSUM= '0e4g2Z2Z0b2f0Z2Z' / HDU checksum updated 2015-05-29T03:00:10 DATASUM = ' ' / data unit checksum updated 2015-05-29T03:00:00 DATE = '2015-05-29T03:00:10' / Date and time of file creation MJD_OBS = 5.6355429283073E+04 / Modified Julian date of observation DS_IDENT= 'ADS/Sa.CXO#obs/15618' / dataset identifier DATE-OBS= '2013-03-04T10:18:10' / Observation start date DATE-END= '2013-03-04T22:34:29' / Observation end date TIMESYS = 'TT ' / Time system MJDREF = 5.0814000000000E+04 / [d] MJD zero point for times TIMEZERO= 0.0000000000000E+00 / [s] Clock correction TIMEUNIT= 's ' / Time unit CLOCKAPP= T / default TSTART = 4.7877949005748E+08 / [s] Observation start time (MET) TSTOP = 4.7882366909737E+08 / [s] Observation end time (MET) MISSION = 'AXAF ' / Mission TELESCOP= 'CHANDRA ' / Telescope Used INSTRUME= 'ACIS ' / Instrument DETNAM = 'ACIS-3 ' / ACIS-I3 FILTER = ' ' GRATING = 'NONE ' CYCLE = 'P ' / events from which exps? Prim/Second/Both SIM_X = -6.8282252473119E-01 / [mm] SIM offset SIM_Y = 0.0000000000000E+00 / [mm] SIM offset SIM_Z = -1.9014258036517E+02 / [mm] SIM offset OBS_ID = '15618 ' / Observation id OBI_NUM = 0 / Obi number SEQ_NUM = '702830 ' / Sequence number 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' / Imaging ARF HDUNAME = 'SPECRESP' / ASCDM block name CONTENT = 'SPECRESP' HDUVERS = '1.1.0 ' HDUCLASS= 'OGIP ' HDUCLAS1= 'RESPONSE' HDUCLAS2= 'SPECRESP' HDUVERS1= '1.0.0 ' / Obsolete Keyword HDUVERS2= '1.1.0 ' / Obsolete Keyword ARFVERSN= '1992a ' / Obsolete Keyword TTYPE1 = 'ENERG_LO' / Energy TFORM1 = '1E ' / format of field TUNIT1 = 'keV ' TLMIN1 = 0.0000000E+00 TLMAX1 = 2.0000000E+01 TTYPE2 = 'ENERG_HI' / Effective Area TFORM2 = '1E ' / format of field TUNIT2 = 'keV ' TLMIN2 = 0.0000000E+00 TLMAX2 = 2.0000000E+01 TTYPE3 = 'SPECRESP' / Effective Area TFORM3 = '1E ' / format of field TUNIT3 = 'cm**2 ' ORIGIN = 'ASC ' / Source of FITS file CREATOR = 'mkarf v0.6.2-0' / Program creating this file ASCDSVER= 'CIAO 4.7' / ASCDS version number REVISION= 2 / Processing version of data CHECKSUM= 'RcagTcaZRcadRcaZ' / HDU checksum updated 2015-05-29T03:00:10 DATASUM = '1926518777' / data unit checksum updated 2015-05-29T03:00:10 RAND_SKY= 0.0000000000000E+00 RAND_PI = 1.0000000000000E+00 DATE = '2015-05-29T03:00:10' / Date and time of file creation MJD_OBS = 5.6355429283073E+04 / Modified Julian date of observation DS_IDENT= 'ADS/Sa.CXO#obs/15618' / dataset identifier DATE-OBS= '2013-03-04T10:18:10' / Observation start date DATE-END= '2013-03-04T22:34:29' / Observation end date TIMESYS = 'TT ' / Time system MJDREF = 5.0814000000000E+04 / [d] MJD zero point for times TIMEZERO= 0.0000000000000E+00 / [s] Clock correction TIMEUNIT= 's ' / Time unit BTIMNULL= 4.7625707100869E+08 / Basic Time offset (s) BTIMRATE= 2.5625001381881E-01 / Basic Time clock rate (s / VCDUcount) BTIMDRFT= 5.3934510187145E-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 TIERRELA= 1.0000000000000E-09 / default TIERABSO= 5.0000000000000E-05 / default TIMVERSN= 'ASC-FITS-2' / Timing system definition TSTART = 4.7877949005748E+08 / [s] Observation start time (MET) TSTOP = 4.7882366909737E+08 / [s] Observation end time (MET) OBS_MODE= 'POINTING' / Observation mode STARTMJF= 76909 / Major frame ctr value at start of data STARTMNF= 68 / Start minor frame ctr at start of data STARTOBT= 0.0000000000000E+00 / On-Board MET close to STARTMJF and STARTMNF STOPMJF = 78216 / Major frame ctr value at stop of data STOPMNF = 36 / Stop minor frame ctr at end of data TIMEPIXR= 5.0000000000000E-01 / default DATACLAS= 'OBSERVED' / default RADESYS = 'ICRS ' / default TIMEDEL = 1.0410400000000E+00 / [s] timedel Lev1 MISSION = 'AXAF ' / Mission TELESCOP= 'CHANDRA ' / Telescope Used SIM_X = -6.8282252473119E-01 / [mm] SIM offset SIM_Y = 0.0000000000000E+00 / [mm] SIM offset SIM_Z = -1.9014258036517E+02 / [mm] SIM offset FOC_LEN = 1.0070000000000E+04 / [mm] HRMA focal length INSTRUME= 'ACIS ' / Instrument GRATING = 'NONE ' / Grating DETNAM = 'ACIS-3 ' / ACIS-I3 FILTER = 'NONE ' / QE includes all filters RESPFILE= '0.3:11.0:0.01' / RMF File ASPFILE = '../../acisf15618/products/aux/asphist_3.fits.gz' / Aspect Histogram FRA_PNT = 2.0456401510060E+02 / [deg] Pointing RA DEC_PNT = 4.5446236413988E+00 / [deg] Pointing Dec ROLL_PNT= 8.0156807285420E+01 / [deg] Pointing Roll RA_TARG = 2.0456625000000E+02 / [deg] Observer's specified target RA DEC_TARG= 4.5425830000000E+00 / [deg] Observer's specified target Dec DEFOCUS = 1.4449365687057E-03 / [mm] SIM defocus RA_NOM = 2.0456401510060E+02 / [deg] Nominal RA DEC_NOM = 4.5446236413988E+00 / [deg] Nominal Dec ROLL_NOM= 8.0156807285420E+01 / [deg] Nominal Roll READMODE= 'TIMED ' / Read mode CTI_CORR= T CTI_APP = 'PPPPPBPBPP' DATAMODE= 'VFAINT ' / Data mode FLSHTIME= 0.0000000000000E+00 / [s] CYCLE = 'P ' / events from which exps? Prim/Second/Both 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. TITLE = 'The Remarkable Case of NGC 5252: Turning Chandra into a Time Machine'OBSERVER= 'Dr. Junfeng Wang' / Principal investigator OBJECT = 'NGC 5252' / Source name OBS_ID = '15618 ' / Observation id OBI_NUM = 0 / Obi number SEQ_NUM = '702830 ' / Sequence number FRACEXPO= 8.9340637054985E-01 / Effective fractional exposure ONTIME = 4.2074500000000E+04 / [s] Sum of GTIs ONTIME3 = 4.2074500000000E+04 / [s] Sum of GTIs LIVETIME= 4.0415834165834E+04 / [s] Livetime LIVTIME3= 4.0415834165834E+04 / [s] Livetime EXPOSURE= 4.0415812068939E+04 / [secs] Total exposure time EXPOSUR3= 4.0415834165834E+04 / [s] Exposure time DTCOR = 9.6057788365481E-01 / Dead time correction ASPTYPE = 'KALMAN ' FP_TEMP = 1.5376843262000E+02 / [K] Focal Plane Temperature DY_AVG = 9.9105280214000E-01 / [mm] Mean DY during observation DZ_AVG = 8.6045042272000E-01 / [mm] Mean DZ during observation DTH_AVG = -2.7972370371000E-03 / [deg] Mean DTHETA during observation HISTORY ----------------------------------------------------------------- HISTORY MKARF Processing History HISTORY ----------------------------------------------------------------- HISTORY Startup Directory: /xassist/data/pipeline4/chandra/15618/acisf15618/prodHISTORY ucts HISTORY Cmd Line: mkarf @@/tmp/tmpBZBBeZ.mkarf.par mode=hl HISTORY Parameter file used: /tmp/tmpBZBBeZ.mkarf.par HISTORY Detector Mask File: ../../acisf15618/data/aux/acisf15618_000N002_msk1.fiHISTORY ts.gz HISTORY Source SKY position: (2550.08,3382.74) HISTORY ---------------------------------------------------------------------- HISTORY ARDLIB History Records HISTORY ---------------------------------------------------------------------- HISTORY ARDLIB Version: 0.8.7-2 HISTORY File used for CALDB info: ../../acisf15618/products/events/fullrun_ccd3_HISTORY acisf15618_pi14-548_pass1_cl_src1_src.evt.gz HISTORY Parameter file: /home/xassist/cxcds_param4/ardlib.par HISTORY ACIS QE File: /xassist/data/ciao/ciao-4.7/CALDB/data/chandra/acis/qe/aciHISTORY sD1997-04-17qeN0006.fits[4] HISTORY ACIS Uniformity File: /xassist/data/ciao/ciao-4.7/CALDB/data/chandra/aciHISTORY s/qeu/acisD2010-02-01qeuN0007.fits[4] HISTORY ACIS Contamination File: /xassist/data/ciao/ciao-4.7/CALDB/data/chandra/HISTORY acis/contam/acisD1999-08-13contamN0009.fits[4] HISTORY ACIS 3 Badpix File: /xassist/data/pipeline4/chandra/15618/acisf15618/datHISTORY a/15618/repro/acisf15618_repro_bpix1.fits.gz[BADPIX3] HISTORY Vignetting File: /xassist/data/ciao/ciao-4.7/CALDB/data/chandra/default/HISTORY vignet/hrmaD1996-12-20vignetN0003.fits[1] HISTORY Onaxis Area File: /xassist/data/ciao/ciao-4.7/CALDB/data/chandra/defaultHISTORY /axeffa/hrmaD1996-12-20axeffaN0008.fits[1] HISTORY ---------------------------------------------------------------------- HISTORY ---------------------------------------------------------------------- HISTORY PIXLIB History Records HISTORY ---------------------------------------------------------------------- HISTORY PIXLIB Version: 4.0.0 HISTNUM = 58 HISTORY ****** PIXLIB Parameter File ***** HISTORY /xassist/data/ciao/ciao-4.7/param/geom.par: HISTORY instruments = /xassist/data/ciao/ciao-4.7/CALDB/data/chandra/default/geHISTORY om/telD1999-07-23geomN0006.fits(CALDB) HISTORY aimpoints = /xassist/data/ciao/ciao-4.7/CALDB/data/chandra/default/aiHISTORY mpts/telD1999-07-23aimptsN0002.fits(CALDB) HISTORY tdet = /xassist/data/ciao/ciao-4.7/CALDB/data/chandra/default/tdHISTORY et/telD1999-07-23tdetN0001.fits(CALDB) HISTORY sky = /xassist/data/ciao/ciao-4.7/CALDB/data/chandra/default/skHISTORY y/telD1999-07-23skyN0002.fits(CALDB) HISTORY shell = /xassist/data/ciao/ciao-4.7/CALDB/data/chandra/default/sgHISTORY eom/telD1999-07-23sgeomN0001.fits(CALDB) HISTORY obsfile = nowT00:00:00() HISTORY ****** PIXLIB System Configuration ****** HISTORY Telescope = AXAF HISTORY Focal Length (mm) = 10070.000 HISTORY Detector = ACIS HISTORY Focal Plane Sys. = FP-1.1 HISTORY Tiled Detector Plane Sys. = ACIS-2.2 HISTORY SIM Offset (mm) = (0.684 0.75 236.552) HISTORY Aim Point(NONE) (mm) = (-0.682823 0 -190.143) HISTORY Grating Arm = HEG HISTORY Grating Order = 1 HISTORY Dispersion Plane Sys. = ASC-GDP-1.1 HISTORY Rowland Circle (mm) = 8632.48 HISTORY ---------------------------------------------------------------------- HISTORY TOOL :mkarf 2015-05-29T03:00:10 ASC00001HISTORY PARM :asphistfile=../../acisf15618/products/aux/asphist_3.fitsASC00002HISTORY CONT :.gz ASC00003HISTORY PARM :outfile=../../acisf15618/products/spectra/fullrun_ccd3_aASC00004HISTORY CONT :cisf15618_pi14-548_pass1_cl_src1.arf ASC00005HISTORY PARM :sourcepixelx=2550.0809197 ASC00006HISTORY PARM :sourcepixely=3382.7441731 ASC00007HISTORY PARM :engrid=0.3:11.0:0.01 ASC00008HISTORY PARM :obsfile=../../acisf15618/products/events/fullrun_ccd3_acASC00009HISTORY CONT :isf15618_pi14-548_pass1_cl_src1_src.evt.gz ASC00010HISTORY PARM :pbkfile= ASC00011HISTORY PARM :dafile=CALDB ASC00012HISTORY PARM :mirror=HRMA ASC00013HISTORY PARM :detsubsys=ACIS-I3 ASC00014HISTORY PARM :grating=NONE ASC00015HISTORY PARM :maskfile=../../acisf15618/data/aux/acisf15618_000N002_msASC00016HISTORY CONT :k1.fits.gz ASC00017HISTORY PARM :ardlibparfile=ardlib.par ASC00018HISTORY PARM :geompar=geom ASC00019HISTORY PARM :verbose=1 ASC00020HISTORY PARM :clobber=yes ASC00021COMMENT specextract version 07 April 2015 HISTORY TOOL :specextract 2015-05-29T03:00:10 ASC00022HISTORY PARM :infile=../../acisf15618/products/events/fullrun_ccd3_aciASC00023HISTORY CONT :sf15618_pi14-548_pass1_cl_src1_src.evt.gz[events][filterASC00024HISTORY CONT : (x,y)=REGION(../../acisf15618/analysis/spatial/fullrun_ASC00025HISTORY CONT :ccd3_acisf15618_pi14-548_pass1_cl_src1_src_phys.reg)] ASC00026HISTORY PARM :outroot=../../acisf15618/products/spectra/fullrun_ccd3_aASC00027HISTORY CONT :cisf15618_pi14-548_pass1_cl_src1 ASC00028HISTORY PARM :bkgfile=../../acisf15618/products/events/fullrun_ccd3_acASC00029HISTORY CONT :isf15618_pi14-548_pass1_cl_src1_bgd.evt.gz[events][filteASC00030HISTORY CONT :r (x,y)=REGION(../../acisf15618/analysis/spatial/fullrunASC00031HISTORY CONT :_ccd3_acisf15618_pi14-548_pass1_cl_src1_bgd_phys.reg)] ASC00032HISTORY PARM :asp=../../acisf15618/products/aux/asphist_3.fits.gz ASC00033HISTORY PARM :dtffile= ASC00034HISTORY PARM :mskfile=../../acisf15618/data/aux/acisf15618_000N002_mskASC00035HISTORY CONT :1.fits.gz ASC00036HISTORY PARM :rmffile=CALDB ASC00037HISTORY PARM :badpixfile=../../acisf15618/data/aux/acisf15618_bpix1_neASC00038HISTORY CONT :w.fits.gz ASC00039HISTORY PARM :dafile=CALDB ASC00040HISTORY PARM :bkgresp=no ASC00041HISTORY PARM :weight=no ASC00042HISTORY PARM :weight_rmf=no ASC00043HISTORY PARM :refcoord= ASC00044HISTORY PARM :correctpsf=no ASC00045HISTORY PARM :combine=yes ASC00046HISTORY PARM :grouptype=NUM_CTS ASC00047HISTORY PARM :binspec=10 ASC00048HISTORY PARM 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Am? ?\A?\?A??AS?? =qAAe? =q?@+??\)@X}?\)?@y??zA?,8?z? =Af_? =?A??(A~?(?RA?R?!GAmR?!G?# Ab?# ?&ffA.?&ff?(B^G?(?+B?+?.{B'?.{?0B8)?0?333AI?333?5B+[?5?8QB=?8Q?:HBG?:H?=pBZ=?=p?@ Bm'?@ ?B\Bg?B\?EBt?E?GB?G?J=qBA?J=q?LB'?L?O\)B?O\)?QBJ?Q?TzB?Tz?W =Bܙ?W =?YBu)?Y?\(B?\(?^RB/?^R?aGCm?aG?c C)?c ?fffC?fff?hC.?h?kC?k?n{C !?n{?pC&`?p?s33C+3?s33?uC14 ?u?xQC6 ?xQ?zHC