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 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 = 'mkarf v0.6.2-0' / Program creating this file MJD_OBS = 5.5228081106454E+04 / Modified Julian date of observation DS_IDENT= 'ADS/Sa.CXO#obs/11857' / dataset identifier CHECKSUM= '0AK914K909K909K9' / HDU checksum updated 2011-10-01T20:55:01 DATASUM = ' ' / data unit checksum updated 2011-05-08T09:00:31 DATE = '2011-10-01T20:55:01' / Date and time of file creation DATE-OBS= '2010-02-01T01:56:47' / Observation start date DATE-END= '2010-02-01T06:40:12' / 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 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 = -1.9014006604987E+02 / [mm] SIM offset TSTART = 3.8137660759760E+08 / Observation start time TSTOP = 3.8139361234846E+08 / Observation end time MISSION = 'AXAF ' / Mission TELESCOP= 'CHANDRA ' / Telescope Used INSTRUME= 'ACIS ' / Instrument OBS_ID = '11857 ' / Observation id OBI_NUM = 0 / Obi number SEQ_NUM = '702304 ' / 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 ' 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 = 'mkarf v0.6.2-0' / Program creating this file ASCDSVER= 'CIAO 4.3' / ASCDS version number MJD_OBS = 5.5228081106454E+04 / Modified Julian date of observation DS_IDENT= 'ADS/Sa.CXO#obs/11857' / dataset identifier REVISION= 1 / Processing version of data CHECKSUM= 'KYApLX4nKX9nKX9n' / HDU checksum updated 2011-10-01T20:55:01 DATASUM = '2288307573' / data unit checksum updated 2011-10-01T20:55:01 RAND_SKY= 5.0000000000000E-01 RAND_PI = 0.0000000000000E+00 EQUINOX = 2.0000000000000E+03 / default DATE = '2011-10-01T20:55:01' / Date and time of file creation DATE-OBS= '2010-02-01T01:56:47' / Observation start date OBS_MODE= 'POINTING' / Observation mode DATE-END= '2010-02-01T06:40:12' / 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= 3.7791207308479E+08 / Basic Time offset (s) DATACLAS= 'OBSERVED' / default BTIMRATE= 2.5625001294810E-01 / Basic Time clock rate (s / VCDUcount) BTIMDRFT= 2.6768433819891E-18 / Basic Time clock drift (s / VCDUcount^2) FILTER = 'NONE ' / QE includes all filters RESPFILE= '0.3:11.0:0.01' / RMF File ASPFILE = '../../acisf11857/products/aux/asphist_3.fits.gz' / Aspect Histogram FBTIMCORR= 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 / [mm] SIM offset SIM_Y = 0.0000000000000E+00 / [mm] SIM offset SIM_Z = -1.9014006604987E+02 / [mm] SIM offset 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 = 3.8137660759760E+08 / Observation start time GRATING = 'NONE ' / Grating DETNAM = 'ACIS-3 ' / ACIS-I3 RA_PNT = 1.6956930205921E+02 / Pointing RA DEC_PNT = 7.7708462034107E+00 / Pointing Dec ROLL_PNT= 7.1254331266025E+01 / Pointing Roll RA_TARG = 1.6957041700000E+02 / Observer's specified target RA DEC_TARG= 7.7661110000000E+00 / Observer's specified target Dec DEFOCUS = 1.4449365687057E-03 / SIM defocus (mm) RA_NOM = 1.6956930205921E+02 / Nominal RA DEC_NOM = 7.7708462034107E+00 / Nominal Dec ROLL_NOM= 7.1254331266025E+01 / Nominal Roll TSTOP = 3.8139361234846E+08 / Observation end time STARTMJF= 105606 / Major frame ctr value at start of data STARTMNF= 43 / Start minor frame ctr at start of data STARTOBT= 0.0000000000000E+00 / On-Board MET close to STARTMJF and STARTMNF STOPMJF = 106119 / Major frame ctr value at stop of data STOPMNF = 9 / Stop minor frame ctr at end of data TIMEPIXR= 5.0000000000000E-01 / default TIMEDEL = 1.0410400000000E+00 / timedel Lev1 (in seconds) CTI_CORR= T CTI_APP = 'PPPPPBPBPP' MISSION = 'AXAF ' / Mission TELESCOP= 'CHANDRA ' / Telescope Used INSTRUME= 'ACIS ' / Instrument READMODE= 'TIMED ' / Read mode FRACEXPO= 9.9092861234602E-01 / Effective fractional exposure DATAMODE= 'VFAINT ' / Data mode FLSHTIME= 0.0000000000000E+00 / Inferred duration of each flush. (s) CYCLE = 'P ' / events from which exps? Prim/Second/Both TITLE = 'Studying the Optical and X-ray Emission Regions of Quasar PG1115+08&'CONTINUE '0 by Monitoring Microlensing Events' / Proposal title OBSERVER= 'Prof Gordon Garmire' / Principal investigator OBJECT = 'PG 1115+080' / Source name OBS_ID = '11857 ' / Observation id OBI_NUM = 0 / Obi number SEQ_NUM = '702304 ' / Sequence number ONTIME = 1.5179997599959E+04 / [s] Sum of GTIs ONTIME3 = 1.5179997599959E+04 / [s] Sum of GTIs LIVETIME= 1.4581569968454E+04 / [s] Livetime LIVTIME3= 1.4581569968454E+04 / [s] Livetime EXPOSURE= 1.4581321547508E+04 / [secs] Total exposure time EXPOSUR3= 1.4581569968454E+04 / [s] Exposure time DTCOR = 9.6057788365481E-01 / Dead time correction ASPTYPE = 'KALMAN ' FP_TEMP = 1.5344601440000E+02 / [K] Focal Plane Temperature RADESYS = 'ICRS ' / default HISTORY ----------------------------------------------------------------- HISTORY MKARF Processing History HISTORY ----------------------------------------------------------------- HISTORY Startup Directory: /xassist/data/pipeline4/chandra/11857/acisf11857/prodHISTORY ucts HISTORY Cmd Line: mkarf @@/tmp/tmpI7v8cA.par mode=hl HISTORY Parameter file used: /tmp/tmpI7v8cA.par HISTORY Detector Mask File: ../../acisf11857/data/aux/acisf11857_000N001_msk1.fiHISTORY ts.gz HISTORY Source SKY position: (3459.66,3233.91) HISTORY ---------------------------------------------------------------------- HISTORY ARDLIB History Records HISTORY ---------------------------------------------------------------------- HISTORY ARDLIB Version: 0.8.5 HISTORY File used for CALDB info: ../../acisf11857/products/events/fullrun_ccd3_HISTORY acisf11857_pi14-548_pass1_cl_src2_src.evt.gz HISTORY Parameter file: /opt/ciao-4.3/param/ardlib.par HISTORY ACIS QE File: /opt/ciao-4.3/CALDB/data/chandra/acis/qe/acisD1997-04-17qeHISTORY N0006.fits[4] HISTORY ACIS Uniformity File: /opt/ciao-4.3/CALDB/data/chandra/acis/qeu/acisD200HISTORY 0-01-29qeuN0006.fits[4] HISTORY ACIS Contamination File: /opt/ciao-4.3/CALDB/data/chandra/acis/contam/acHISTORY isD1999-08-13contamN0006.fits[4] HISTORY ACIS 3 Badpix File: /opt/ciao-4.3/CALDB/data/chandra/acis/badpix/acisD20HISTORY 00-11-28badpixN0003.fits[4] HISTORY Vignetting File: /opt/ciao-4.3/CALDB/data/chandra/default/vignet/hrmaD19HISTNUM = 22 HISTORY 96-12-20vignetN0003.fits[1] HISTORY Onaxis Area File: /opt/ciao-4.3/CALDB/data/chandra/default/axeffa/hrmaD1HISTORY 996-12-20axeffaN0008.fits[1] HISTORY ---------------------------------------------------------------------- HISTORY ---------------------------------------------------------------------- HISTORY PIXLIB History Records HISTORY ---------------------------------------------------------------------- HISTORY PIXLIB Version: 4.0.0 HISTORY ****** PIXLIB Parameter File ***** HISTORY /opt/ciao-4.3/param/geom.par: HISTORY instruments = /opt/ciao-4.3/CALDB/data/chandra/default/geom/telD1999-07HISTORY -23geomN0006.fits(CALDB) HISTORY aimpoints = /opt/ciao-4.3/CALDB/data/chandra/default/aimpts/telD1999-HISTORY 07-23aimptsN0002.fits(CALDB) HISTORY tdet = /opt/ciao-4.3/CALDB/data/chandra/default/tdet/telD1999-07HISTORY -23tdetN0001.fits(CALDB) HISTORY sky = /opt/ciao-4.3/CALDB/data/chandra/default/sky/telD1999-07-HISTORY 23skyN0002.fits(CALDB) HISTORY shell = /opt/ciao-4.3/CALDB/data/chandra/default/sgeom/telD1999-0HISTORY 7-23sgeomN0001.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 -190.14) 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 2011-10-01T20:55:01 ASC00001HISTORY PARM :asphistfile=../../acisf11857/products/aux/asphist_3.fitsASC00002HISTORY CONT :.gz ASC00003HISTORY PARM :outfile=../../acisf11857/products/spectra/fullrun_ccd3_aASC00004HISTORY CONT :cisf11857_pi14-548_pass1_cl_src2.arf ASC00005HISTORY PARM :sourcepixelx=3459.6604521 ASC00006HISTORY PARM :sourcepixely=3233.9103972 ASC00007HISTORY PARM :engrid=0.3:11.0:0.01 ASC00008HISTORY PARM :obsfile=../../acisf11857/products/events/fullrun_ccd3_acASC00009HISTORY CONT :isf11857_pi14-548_pass1_cl_src2_src.evt.gz ASC00010HISTORY PARM :pbkfile=../../acisf11857/data/aux/acisf381376742N001_pbkASC00011HISTORY CONT :0.fits.gz ASC00012HISTORY PARM :dafile=CALDB ASC00013HISTORY PARM :mirror=HRMA ASC00014HISTORY PARM :detsubsys=ACIS-I3 ASC00015HISTORY PARM :grating=NONE ASC00016HISTORY PARM :maskfile=../../acisf11857/data/aux/acisf11857_000N001_msASC00017HISTORY CONT :k1.fits.gz ASC00018HISTORY PARM :ardlibparfile=ardlib.par ASC00019HISTORY PARM :geompar=geom ASC00020HISTORY PARM :verbose=0 ASC00021HISTORY PARM :clobber=yes ASC00022END >>R:М>R> <%-> ><>>{=DCn>{>33=>33>Q>>Q>p>@3>p>\>>\>Ǯ>>Ǯ>?>>?%X>> =?q> =>(?>(>G?׳>G>ff@d>ff>@My>>@O>>@>>H@ɫk>H?@v??\Aq?\?A6;??AXi?? =qA? =q? @k? ?\)@?\)?@??zA#?z? =AFL? =?AeW!??(Ab?(?RA?R?!GA?!G?# A?# ?&ffA?&ff?(A?(?+B \?+?.{B?.{?0B+?0?333B?333?5B-&?5?8QB@U=?8Q?:HBM?:H?=pBa&?=p?@Bw?U?@?B\B?B\?EBl?E?GB:n?G?J=qB-J?J=q?LB?L?O\)B?O\)?QBԺ?Q?TzBݛ?Tz?W =Bg?W =?YBj?Y?\(Cx?\(?^RCL?^R?aGC?aG?c CS?c ?fffC$??fff?hC+?h?kC2?k?n{C9S?n{?pCAS?p?s33CH?s33?uCP'?u?xQCWX?xQ?zHC_C?zH?}pCf?}p?Cn4??GCucU?G?\C|K?\? C? ?C??ffCs?ff?C??Cx??=qCG?=q?Cf??C7??{C?{?\)Cr?\)?Cٍ??C+??33Cvt?33?zC?z?Cv?? =CZ? =?QC>?Q?C"n??HCL?H?(C?(?pCYT?p?RC?R?CLj??GC?G?\C̈_?\? CQ? ?Cѓ??ffC'?ff?CI??C0&??=qCVH?=q?Cm??Cކ??{C?{?\)CÅ?\)?C??C??33C?33?zCC?z?CV?? =C ? =?QC?Q?Cx??HC"?H?(C=?(?pCI(?p?RCۤ?R?Cl??GCS?G?\C1?\? C? ?C??ffDb?ff?ǮC?Ǯ?C??=qCo?=q?˅Cް?˅?Cٮ??{C?{?\)C9b?\)?УCli?У?C@??33C?33?zCY?z?C?? =C? =?QC ?Q?ٙC?ٙ?HC?H?(C_?(?pCJ?p?޸RC?޸R?C K??GC ?G?\CN?\? CX? ?Cw[??ffCݤ?ff?Cf??C??=qC?=q?CV??CT??{C?{?\)Cj ?\)?CHb??C8??33C7?33?zC?z?CB[?? =CCf? =?QCg ?Q?C]`??HC?H?(C?(?pCѽ?p?RCL$?R@C@@C(@@GCw@G@C!@@\C@\@33C@33@ C@ @zCZ@z@CeM,@@CTM@@ffCZ@ff@ =C^P@ =@C^@@QCU@Q@CM@@ CG2@ @ =qC{C_J@>{@>RCb@>R@?\)C%@?\)@@C@@@@@CB@@@AGC8B@AG@AC@A@B\C@B\@C33Cx@C33@C Cz@C @DzC0@Dz@ECx@E@EC³@E@FffC@Fff@G =Cs@G =@GCұ@G@HQC4@HQ@HC2S@H@IC,@I@J=qCn@J=q@JHCPb@JH@KC>t@K@L(Cp=@L(@LC^@L@MpC^@Mp@N{C@@N{@NRCz@NR@O\)C@O\)@PCD@P@PC@P@QGC,@QG@QC@Q@R\C@R\@S33CfQ@S33@S Cg@S @TzC @Tz@UCz@U@UC~@U@VffC@Vff@W =CU@W =@WC@W@XQC8X@XQ@XCf|@X@YC@Y@Z=qCс@Z=q@ZHC 8@ZH@[Co@[@\(C@\(@\C@\@]pC@]p@^{CD@^{@^RC9m@^R@_\)Cs@_\)@`C;@`@`C@`@aGCX@aG@aCU@a@b\C}\@b\@c33C@c33@c C9@c @dzC@dz@eC(@e@eCG]@e@fffCe@fff@g =C2@g =@gC@g@hQC @hQ@hC2@h@iC#`@i@j=qC>@j=q@jHCW@jH@kCl@k@l(C5@l(@lC@l@mpC@mp@n{Cr@n{@nRCD@nR@o\)C@o\)@pC@p@pC{@p@qGC@qG@qC@@q@r\C]@r\@s33C,v@s33@s C2@s @tzC1$@tz@uC/@u@uCC@u@vffCW@vff@w =C_}@w =@wCZ@w@xQCU@xQ@xCYK@x@yC\@y@z=qC\@z=q@zHCY@zH@{CV@{@|(CnE@|(@|C@|@}pC@}p@~{C9@~{@~RCu@~R@\)C@\)@Cp@@QC?@Q@C0@@C)@@GCK@G@C@@Cē@@=qC7@=q@\C@\@HC@H@33Cgx@33@CN@@ C8@ @(C"@(@zC@z@C@@C@@pC@p@CZ@@{Cg@{@ffCI@ff@RC&z@R@ =C@ =@\)Cr@\)@C@@C@@QCb@Q@C;@@C@@GCT@G@C@@C@@=qCQ@=q@\C@\@HC@H@33Cn@33@Cx@@ C-@ @(C@(@zC@z@C|@@C<@@@pC)@p@C@@{Ce@{@ffC'@ff@RC/@R@ =C@ =@\)C=D@\)@C@@C|@@QCo@Q@C!$@@Cn@@GC\@G@C8O@@C@@=qC|D@=q@\C@\@HC,@H@33Cc@33@C@@ Cb@ @(C9b@(@zC\@z@Cv@@C@@pCS@p@C(@@{C@{@ffCn@ff@RC @R@ =Cr@ =@\)C'@\)@C@@CR@@QCa@Q@Cq@@CC@@GC@G@C$@@Cf@@=qC/8@=q@\C9@\@HCH@H@33C@33@Cm@@ C@ @(Clx@(@zC@z@C@@CN@@pC@p@C@@{C}@{@ffC@ff@RCu@R@ =C@ =@\)Cm@\)@C-@@CX@@QC"@Q@C@@@C@@GC+@G@C@@C@@=qC@=q@\C@\@HCl=@H@33C@33@CQv@@ C=@ @(CM8@(@zCȑ@z@CD#@@C2@@pC*@p@C@@{C@{@ffC/@ff@RC^@R@ =Cp@ =@\)CP@\)@CP@@C@@QC(@Q@C5@@C @@GCu@G@C@@CO@@=qC@=q@\C~b@\@HC}=@H@33C|@33@Czt@@ Cyъ@ @(Cx@(@zCwt4@z@Cv:@@Cu@@pCsp@p@Crи@@{Cq@{@ffCp@ff@RCo@R@ =CnR/@ =@\)Cm@\)@Cl @@Cj0@@QCi@Q@Ch@@CgU@@GCfJ@G@Ce@ @@Cd%@@=qCbu@=q@\CaӜ@\@HC`_@H@33C_@33@C^}@@ C][S@ @(C\:P@(@zC[A@z@CZ@@CXh@@pCW@p@CV@@{CU@{@ffCTf@ff@RCS@R@ =CRS@ =@\)CQ@\)@CP@@COq @@QCN`@Q@CMX7@@CLP@@GCK1@G@CJ@@CH;@@=qCGN@=q@\CFD@\@HCEM@H@33CDI@33@CC~@@ CBl@ @(CA[@(@zC@I@z@C?81@@C><@@pC=W@p@CZ=@@pB<΄@p@B;Ci@@{B9a@{@ffB7@ff@RB6`@R@ =B4@ =@\)B39@\)@B1t@@B0G@@QB.@Q@B-D@@B+@@GB*+u@G@B(@@B'@@=qB%+@=q@\B$]@\@HB"v@H@33B!c@33@B @@ B@ @(B2@(@zB@z@B@@B`|@@pB @p@By@@{B]@{@ffB@ff@RBW@R@ =B@ =@\)Bf(@\)@B@AB hAA(B AA(AlA(AQAjpAQAzAglAzAAe/AAAbAAA`AAA^F`AAGA\AGApAYApAAW3AAATAAAR?8AA{AO A{A=qAMA=qAffAKAffA\AIPA\ARAGARAHADhAHA =AB{ A =A33A@BA33A\)A>A\)AA<AAA9AA A7A AA5]AA(A3?A(AQA1SAQAzA/kzAzAA-DAAA+!AAA).=AAA'hAAGA%AGApA# ApAA")AAA j\AAAAA{AA{A=qA8A=qAffAAffA\AՌA\ARA"ARAHArAHA =AtA =A33A#A33A\)AyA\)AA ͢AAA $AA A EA AAAA(AiNA(AQAAQAzAkAzAAAAAV$AA@&AA@AAG@ԏAGAp@ApA@AA@AA@AA{@1fA{A=q@jA=qAff@@AffA\@/8A\AR@[ARAH@ݎ%AHA =@QA =A33@A33A\)@_&A\)A@ҡGAA@=AA @NAA A@ʸAA(@ A(AQ@GUAQAz@ˆ#AzA@nAA@AA@AA@AAG@sAGAp@cApA@hAA@AA@XpAA{@ҺA{A=q@FA=qAff@AffA\@YrA\AR@ARAH@AHA =@A =A33@k=A33A\)@+A\)A@pAA@AA @`A A @1A A (@A (A Q@gA QA z@yA zA @,3A A @pA A @>A A!@z=A!A!G@v6A!GA!p@qA!pA!@lљA!A!@h:A!A!@cA!A"{@_?A"{A"=q@ZƠA"=qA"ff@VQA"ffA"\@QA"\A"R@M[A"RA"H@I_%A"HA# =@EVA# =A#33@@A#33A#\)@ZA,A->A-A-G>A-GA-p>cA-pA->4A-A->۵A-A->ՎA-A.{>nOA.{A.=q>?A.=qA.ff> A.ffA.\>,A.\A.R>A.HA/ =>ڌA/ =A/33>A/33A/\)>A/\)A/>A/A/>A/A/ >A/ A0>G