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 = '2010-07-04T02:20:04' / Date and time of file creation DATE-OBS= '2006-10-06T14:43:17' / Observation start date DATE-END= '2006-10-07T05:13:27' / 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 = 2.7653299708999E+08 / Observation start time TSTOP = 2.7658520700496E+08 / Observation end time MISSION = 'AXAF ' / Mission TELESCOP= 'CHANDRA ' / Telescope INSTRUME= 'ACIS ' / Instrument OBS_ID = '7022 ' / Observation id OBI_NUM = 0 / Obi number SEQ_NUM = '900438 ' / Sequence number ORIGIN = 'ASC ' / Source of FITS file CREATOR = 'mkwarf - Version CIAO 4.2' / tool that created this output MJD_OBS = 5.4014613392245E+04 / Modified Julian date of observation DS_IDENT= 'ADS/Sa.CXO#obs/07022' / dataset identifier CHECKSUM= '7nGl8lDl7lDl7lDl' / HDU checksum updated 2010-07-04T02:20:04 DATASUM = ' ' / data unit checksum updated 2010-07-04T02:20:01 END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 4310 / width of table in bytes NAXIS2 = 2 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 9 / number of fields in each row EXTNAME = 'WSPECRESP' / name of this binary table extension HDUNAME = 'WSPECRESP' / ASCDM block name TTYPE1 = 'CCD_ID ' / CCD ID TFORM1 = '1I ' / format of field TTYPE2 = 'CHIPX_LO' / CHIP X Coordindate TFORM2 = '1J ' / format of field TTYPE3 = 'CHIPX_HI' / CHIP X Coordindate TFORM3 = '1J ' / format of field TTYPE4 = 'CHIPY_LO' / CHIP Y Coordinate TFORM4 = '1J ' / format of field TTYPE5 = 'CHIPY_HI' / CHIP Y Coordinate TFORM5 = '1J ' / format of field TTYPE6 = 'REGNUM ' / Region Number TFORM6 = '1J ' / format of field TTYPE7 = 'WEIGHT ' / Spectral Weights TFORM7 = '1070E ' / format of field TTYPE8 = 'CONTRIB ' / WMAP contribution to this region TFORM8 = '1E ' / format of field TTYPE9 = 'FRACTION' / Fraction of contribution to total after threshoTFORM9 = '1E ' / format of field 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 = '2010-07-04T02:20:04' / Date and time of file creation DATE-OBS= '2006-10-06T14:43:17' / Observation start date OBS_MODE= 'POINTING' / Observation mode DATE-END= '2006-10-07T05:13:27' / 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= 2.7358502468877E+08 / Basic Time offset (s) DATACLAS= 'OBSERVED' / default RADECSYS= 'ICRS ' / default BTIMRATE= 2.5625001205465E-01 / Basic Time clock rate (s / VCDUcount) BTIMDRFT= 1.0860794753234E-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 = -2.3358743446083E+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 = 2.7653299708999E+08 / Observation start time GRATING = 'NONE ' / Grating DETNAM = 'ACIS-012367' / Detector RA_PNT = 2.2292488615634E+02 / Pointing RA DEC_PNT = 5.8143141266108E+01 / Pointing Dec ROLL_PNT= 3.2680089596064E+02 / Pointing Roll RA_TARG = 2.2292000000000E+02 / Observer's specified target RA DEC_TARG= 5.8147000000000E+01 / Observer's specified target Dec DEFOCUS = 1.4398718632593E-03 / SIM defocus (mm) RA_NOM = 2.2292488615634E+02 / Nominal RA DEC_NOM = 5.8143141266108E+01 / Nominal Dec ROLL_NOM= 3.2680089596064E+02 / Nominal Roll TSTOP = 2.7658520700496E+08 / Observation end time STARTMJF= 89865 / Major frame ctr value at start of data STARTMNF= 93 / Start minor frame ctr at start of data STARTOBT= 0.0000000000000E+00 / On-Board MET close to STARTMJF and STARTMNF STOPMJF = 91435 / Major frame ctr value at stop of data STOPMNF = 99 / Stop minor frame ctr at end of data TIMEPIXR= 5.0000000000000E-01 / default TIMEDEL = 3.2410400000000E+00 / timedel Lev1 (in seconds) CTI_APP = 'PPPPPBPBPP' 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 = 'Tracing the X-ray cosmic web at z=0.3' / Proposal title OBSERVER= 'Dr. Roberto Gilli' / Principal investigator OBJECT = 'Abell 1995 Field 2' / Source name OBS_ID = '7022 ' / Observation id OBI_NUM = 0 / Obi number SEQ_NUM = '900438 ' / Sequence number ONTIME = 5.0044789799631E+04 / [s] Sum of GTIs LIVETIME= 4.9411092537833E+04 / [s] Livetime EXPOSURE= 4.9411092537833E+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 = 5.4014613392245E+04 / Modified Julian date of observation DS_IDENT= 'ADS/Sa.CXO#obs/07022' / dataset identifier REVISION= 1 / Processing version of data CHECKSUM= 'Va3NXY1KVa1KVY1K' / HDU checksum updated 2010-07-04T02:20:04 DATASUM = '1080251489' / data unit checksum updated 2010-07-04T02:20:04 RAND_SKY= 0.0000000000000E+00 RAND_PI = 0.0000000000000E+00 HDUCLASS= 'CHANDRA ' HDUCLAS1= 'RESPONSE' HDUCLAS2= 'WARF ' HDUCLAS3= 'WEIGHTS ' HISTNUM = 68 HISTORY TOOL :mkwarf 2010-07-04T02:20:04 ASC00001HISTORY PARM :infile=../../acisf07022/products/spectra/fullrun_ccd3_acASC00002HISTORY CONT :isf07022_pi14-548_pass1_cl_src29.pi[WMAP] ASC00003HISTORY PARM :outfile=../../acisf07022/products/spectra/fullrun_ccd3_aASC00004HISTORY CONT :cisf07022_pi14-548_pass1_cl_src29.warf ASC00005HISTORY PARM :weightfile=../../acisf07022/products/spectra/fullrun_ccdASC00006HISTORY CONT :3_acisf07022_pi14-548_pass1_cl_src29.wfef ASC00007HISTORY PARM :spectrumfile= ASC00008HISTORY PARM :egridspec=0.3:11.0:0.01 ASC00009HISTORY PARM :pbkfile=../../acisf07022/data/aux/acisf276534051N001_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: ../../acisf07022/products/specASC00024HISTORY CONT :tra/fullrun_ccd3_acisf07022_pi14-548_pass1_cl_src29.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[4] ASC00033HISTORY PARM :ACIS Uniformity File: /opt/ciao-4.2/CALDB/data/chandra/aASC00034HISTORY CONT :cis/qeu/acisD2000-01-29qeuN0006.fits[4] ASC00035HISTORY PARM :ACIS Contamination File: /opt/ciao-4.2/CALDB/data/chandrASC00036HISTORY CONT :a/acis/contam/acisD1999-08-13contamN0005.fits[4] ASC00037HISTORY PARM :ACIS 3 Badpix File: /opt/ciao-4.2/CALDB/data/chandra/aciASC00038HISTORY CONT :s/badpix/acisD2000-11-28badpixN0003.fits[4] ASC00039HISTORY PARM :File used for CALDB info: ../../acisf07022/products/specASC00040HISTORY CONT :tra/fullrun_ccd3_acisf07022_pi14-548_pass1_cl_src29.pi[WASC00041HISTORY CONT :MAP] ASC00042HISTORY PARM :PIXLIB Version: 4.0.0 ASC00043THRSHLD = 0.0000000000000E+00 / FEF contrib percentage cutoff HISTORY PARM :****** PIXLIB Parameter File ***** ASC00044HISTORY PARM :/opt/ciao-4.2/param/geom.par: ASC00045HISTORY PARM :instruments = /opt/ciao-4.2/CALDB/data/chandra/default/ASC00046HISTORY CONT :geom/telD1999-07-23geomN0005.fits(CALDB) ASC00047HISTORY PARM :aimpoints = /opt/ciao-4.2/CALDB/data/chandra/default/ASC00048HISTORY CONT :aimpts/telD1999-07-23aimptsN0002.fits(CALDB) ASC00049HISTORY PARM :tdet = /opt/ciao-4.2/CALDB/data/chandra/default/ASC00050HISTORY CONT :tdet/telD1999-07-23tdetN0001.fits(CALDB) ASC00051HISTORY PARM :sky = /opt/ciao-4.2/CALDB/data/chandra/default/ASC00052HISTORY CONT :sky/telD1999-07-23skyN0001.fits(CALDB) ASC00053HISTORY PARM :shell = /opt/ciao-4.2/CALDB/data/chandra/default/ASC00054HISTORY CONT :sgeom/telD1999-07-23sgeomN0001.fits(CALDB) ASC00055HISTORY PARM :obsfile = nowT00:00:00() ASC00056HISTORY PARM :****** PIXLIB System Configuration ****** ASC00057HISTORY PARM :Telescope = Chandra ASC00058HISTORY PARM :Focal Length (mm) = 10070.000 ASC00059HISTORY PARM :Detector = ACIS ASC00060HISTORY PARM :Focal Plane Sys. = FP-1.1 ASC00061HISTORY PARM :Tiled Detector Plane Sys. = ACIS-2.2 ASC00062HISTORY PARM :SIM Offset (mm) = (0.684 0.75 236.552) ASC00063HISTORY PARM :Aim Point(NONE) (mm) = (-0.780908 0 -233.587) ASC00064HISTORY PARM :Grating Arm = HEG ASC00065HISTORY PARM :Grating Order = 1 ASC00066HISTORY PARM :Dispersion Plane Sys. = ASC-GDP-1.1 ASC00067HISTORY PARM :Rowland Circle (mm) = 8632.48 ASC00068MTYPE1 = 'CHIPX ' / DM Keyword: Descriptor name. MFORM1 = 'CHIPX_LO,CHIPX_HI' MTYPE2 = 'CHIPY ' / DM Keyword: Descriptor name. MFORM2 = 'CHIPY_LO,CHIPY_HI' END !@;= ~=n=&+>5]>+ >J>@R?!?U/M?X?Z?Ŗv?@Y@> @b3@$@(@@g@,PA9@>@'f@k@j4@Ec@ː@@[AƪAA#rA4AFf5AZ2AmAAbeAA-WAAOKA1AXAtFAύ"A ANAB=B}BBYBB!B'B.&B4jB:B@9BFyUBLxRBRlBX\B^OBdHBjBo}BuXB{BjBR.BB"B&(B1B;2BBBlBB6tBBBBBxB(BBBBdB'BBBBSVB BFB)BBBn#BBN5BBABǯBB*B^B̏FBİBjB.B2BKhBdB{bBBbBN2B'sB٩BçFBBOB"BBB`7BBuB{lB‡>BïBÔ8BiBIBѶBBoBȏBB&BvBʝBf B@B̂B*B\BͻB~B{BvƎBuBBvBIBFBBBBBBBiBs$B<,B|{BscBB̾BDBBdB>B0B6MB8&B9@WB1B*B%DBB ݬB'B)uB-*B1B7B;BB>MKB?aB?NfBA@BFBJiBM BNsVBOBOCBR8BUu@BWɠBZB\B\B\ۈB]#B`AfBbBcZzBdtBeBexBeBeQBe vBe6HBe]BdjB`BS/BQB[B^bB`]Bc.;BdVBfBhBjBk8BlwBmyBn#BoBqi*Br2BrBt Bu$Bv=Bw( BxNBy(By;Bz,uBzvB{ xB{{B|B}B~B~zB~B~@ B|BxByB|L B}B~BeBBBvBFB2BrPBB,B{BB2BOnB~B"B BoBB:BtBBmB']B~"BCBBD{BsBjB BtBhB)BBlrBABBBX BVB Bj;BBBBK"BBТBBB!BQTBBBBBEBtB&BBuBAB,BGEBbnBBBB:BB))BABVBq.BB^BBjBBB/B(B BYB)B4oB9B?fBVBnyB{B~B^BBBBB#BB/BBB)B@BXBlbBYB:BBsBeB^BXBJB=mB1B(vBB rBBBךBrBBBBBiBSB=B(3BBJBBBiBBgzBL~B1B vBaBJBBn$BGMB&BB’B(BqBBUBnBBBVBBBkB/BBB]Bb BBBB=!BBZBVFB @B4B`&B(BWBzB)BBrxB$BֶBBBnBWBB-uB~kB}hB|ݍB|B{>BzhPByBxeBwBwFBvBbBujBtnBsbBrBrBq4BpaBoBnBmBlSBl Bk,BjF2BiaBh}BgBfBeJBdFBcʘBb:Ba:B`;B`+B_kB^(B]7B\FB[UBZdBY` BX[BWcBVwBU6BTBS BRכBQ:BPڊBO"BOBN!BMBL"BKGRBJpBInBHNBGBFBENBDBD`BC-EBBN2BAouB@B?B>+B>HB=IB<|B;B:>B: SB91B8_TB7B6ȨB5uB5B41 B3aB2B13B0cB02B/@B.rB-B,B,B+t~B*tB)B(B(B';oB&fB%rB$tB#OB#B"3LB!cB BGBAWAAbAO'A;A|AAY1AAyAg3AMA5AsA AOAk2AF:A AA}A&AzAxAvpAt+0AqjAoAmC8Ak!AiAfAdnAbiA`~A^A\cAZAX(AVyATk&ARfAPANAMAK/AIAHAFAD\RAB7A@T{A>A=A;fA9UA8&/A62A5"A3}A1A0cA.A-]&A+A*A)A'ZA&1A$A#*A!A }A6ArANA@EAeAA]2A1ATA˦A$AjAAA$AA A ҂A 7A nATAA{AsA}AA&AfA@@@@}@:@@ @HV@@@i~@H@@n@@R@@6@S@g;@r@ݗ @0@ڤ5@@ף}@@@p@us@ @Х@?n@@̔@N@@ȼ@t@<.@m@f@‘&@W*@%@@@@k@F6@!@b@@Sv@4}@@J@J@@o@C@}@@@xR@P@%@~@y@@v@L6@ @^@@@h@J@.@@~@@A@GA@/@@@@@[@@@@`}@K@8@,-@&F@!@U@}@{3@xS@v @t@r@p@n[@l,@j M@gK@e@c~@a@_C@]Bz@[-@YS@W|@UXS@S7Z@Q/@O@@MU%@Kk@Ir@GJ@EZ@Cǂ@A@@ @>#@<+@:7@8I@6_@4q@2v@0@.@,x@+=@)&d@'M@%cr@#|@!@@j@@3a@[r@@ɬ@?@g@i@ ٦@ f@ M@@@ ;@G@y??g?ֲ?L}?m?U??K?u?5N??ڻm?y?=j??ͻm?ʪW??D??B|?c?t:?? ??'L?T ???}??b?D?Q?a????^?H???|W@?v?qu?l;K?fB?al?\?W?R?N^?I~?D?@+?;?7S?3 ?.m?)?%%? [l? ?&?6Y?|7? ??)?>nK>> >>>`>>>w> >>f>K>zj>l>>c>>Z >>z>r*>i>bJ>[d[>Tn>N)>G’>AJ>;rq>6>1On>,f>'>#^>xS> >c>> T> >>P==X==*=j=5=X=t=d==\z=LA`<>1>B>+?9.?1?b?Z@$Y@Yc@] {@@AAA@/Ae|AAsA^rAPA mBZA]A)2AnAl0A3AͿA}AB BB%@B5BH B\ BoBBdBB`BBBB0B=BB݈}BgB4C iCC"CCC"u1C(C/C5UC; CAoCGkCMlCSbCYU-C_HCeCPCk]CpCvWmC|CCCxCCBC6CCCtCC]C^CC5CGCS6C_kCmCu9CbC >CCC]CCѪCC/CCCynCCZCCBECƽ8C*CsLCʤCطCC=Ck]CЏCѫ CC۪CC}CzCCؚCPC /C޳CCfCfC4 C+CC7CHCC CnCCĢC*_CLC4#CWC>rCzCC˺C̕3CC5#CͰCC-CCw,CvC7^CCCC C,CBvC:C#CCNCC}CECCWfC C]CQCdC?!C1C6lC9/C9KC2rC+JJC%VC@C!-kC(,C)pC.%C1EC8rC;C>C@KC?XCB CG7CK'CM-CNԐCO%CO@CRbfCUCX.C[LC\C]TC]APC^V8C`eCb=Cc–CdCeCfJKCe Ce(CeCe@CeŒCd0CaCqңCr-CsgRCtvCuCv~CwCxCy Cz,CzCzC{vC|--C}&C~!UC~C]MCKC~C} pCx{CzC| C~cC&C6CTCCPCCDCCCcCQCCJC CC CWDCaCCCCC>kC\C8CyCxCyC7CxCޜC< C[CCQbCCC C5NCCCA2CCXC%CKChCCCC3CVCCcC]C^CJCyzCCzCCC9mC`1C{RCkCCC C'CBC\CufCFCCkCCrCC =CC C.|CCC3CpSC;uC=CCCC\C-~CCCFC?CCɁCSCJCCCCECCFCeC)C_C:CM$CSCCu C&CؚCCDCC/C?nCC`CcC`CC_LCCFCZ CCC3C5C~C~$C}WC|C{CzCz Cy%C=C<ߓC<C;GC:mC9!C8rC7C7*nC6JC5jC4pC3@C2C2}C1DC0r C/C.C.C-8C,~]C+C+5C*GjC)YC(xC'C&C%]C%C$>C#oVC"C! C! C 2yC]ZCC;C0C"CQC2CCēCeC/nCl CC!CBCCW^Cz>C C;CC &C 8:C gC C C C +CXC~GC.CC.C >C=C|CCܥBBGBBBB\cBvBBvBB;BEPB뤲BBKEBBBI8BBBPBܯBKBو-BϚBBpBBBBϛ=BNBWCBdB6BǂBjB,B›VB %BBBo:BBOBB BBBB+B B?BjBfBRB#B1BB0BʛBeBBBRBB>B:]BjBB.CBB6Bb~B3BBywB>B#jB BBWBbgB;%BBךBqB~ֶB|jBzHcBwjBuBsfBqBnÐBlBj|BhNBfBc6BajB_6B]B[BYZBW6BUBSBRfBP:BNRBLlBJkBI5BG~BEBC\BAtB?͆B>':BAAA+AMAYA5AA AAJA-AvAAAAuAJAAAA@AhA@#AAAAAuxAMA%AAɑAA5ApA[AHeAAۆA@IS@Dn2@?@;cb@7@2Kx@-@(+@#S@ @@@I@@=@ @@V???B?M??ϻ?ӑ?\?~?,????R?"s?[???T?&??w?n?g2?`@?YK?R*?L/U?E ??W?: ?5+X>>@>h>.>ن>8>v5>V>p>!@?LXTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 8 / 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 = 2 / number of fields in each row EXTNAME = 'EBOUNDS ' / name of this binary table extension HDUNAME = 'EBOUNDS ' / 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 ' 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 = '2010-07-04T02:20:04' / Date and time of file creation DATE-OBS= '2006-10-06T14:43:17' / Observation start date OBS_MODE= 'POINTING' / Observation mode DATE-END= '2006-10-07T05:13:27' / 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= 2.7358502468877E+08 / Basic Time offset (s) DATACLAS= 'OBSERVED' / default RADECSYS= 'ICRS ' / default BTIMRATE= 2.5625001205465E-01 / Basic Time clock rate (s / VCDUcount) BTIMDRFT= 1.0860794753234E-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 = -2.3358743446083E+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 = 2.7653299708999E+08 / Observation start time GRATING = 'NONE ' / Grating DETNAM = 'ACIS-012367' / Detector RA_PNT = 2.2292488615634E+02 / Pointing RA DEC_PNT = 5.8143141266108E+01 / Pointing Dec ROLL_PNT= 3.2680089596064E+02 / Pointing Roll RA_TARG = 2.2292000000000E+02 / Observer's specified target RA DEC_TARG= 5.8147000000000E+01 / Observer's specified target Dec DEFOCUS = 1.4398718632593E-03 / SIM defocus (mm) RA_NOM = 2.2292488615634E+02 / Nominal RA DEC_NOM = 5.8143141266108E+01 / Nominal Dec ROLL_NOM= 3.2680089596064E+02 / Nominal Roll TSTOP = 2.7658520700496E+08 / Observation end time STARTMJF= 89865 / Major frame ctr value at start of data STARTMNF= 93 / Start minor frame ctr at start of data STARTOBT= 0.0000000000000E+00 / On-Board MET close to STARTMJF and STARTMNF STOPMJF = 91435 / Major frame ctr value at stop of data STOPMNF = 99 / Stop minor frame ctr at end of data TIMEPIXR= 5.0000000000000E-01 / default TIMEDEL = 3.2410400000000E+00 / timedel Lev1 (in seconds) CTI_APP = 'PPPPPBPBPP' 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 = 'Tracing the X-ray cosmic web at z=0.3' / Proposal title OBSERVER= 'Dr. Roberto Gilli' / Principal investigator OBJECT = 'Abell 1995 Field 2' / Source name OBS_ID = '7022 ' / Observation id OBI_NUM = 0 / Obi number SEQ_NUM = '900438 ' / Sequence number ONTIME = 5.0044789799631E+04 / [s] Sum of GTIs LIVETIME= 4.9411092537833E+04 / [s] Livetime EXPOSURE= 4.9411092537833E+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 = 5.4014613392245E+04 / Modified Julian date of observation DS_IDENT= 'ADS/Sa.CXO#obs/07022' / dataset identifier REVISION= 1 / Processing version of data CHECKSUM= 'gAHjg9EggAEgg7Eg' / HDU checksum updated 2010-07-04T02:20:04 DATASUM = '2671772187' / data unit checksum updated 2010-07-04T02:20:04 RAND_SKY= 0.0000000000000E+00 RAND_PI = 0.0000000000000E+00 HDUCLASS= 'OGIP ' HDUCLAS1= 'RESPONSE' HDUCLAS2= 'EBOUNDS ' HDUCLAS3= 'REDIST ' HDUVERS = '1.3.0 ' / HDU version HDUVERS1= '1.0.0 ' / HDU version HDUVERS2= '1.2.0 ' / HDU version CHANTYPE= 'PI ' / Channel Type DETCHANS= 1070 / Number of detector channels RMFVERSN= '1992a ' / RMF version number SMOOTHED= 0 / 0-raw; 1-12-smooth END >>R>R> > >>>{>{>33>33>Q>Q>p>p>\>\>Ǯ>Ǯ>>>>> => =>(>(>G>G>ff>ff>>>>>>>H>H???\?\????? 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