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 = 5.4934558242040E+04 / Modified Julian date of observation DS_IDENT= 'ADS/Sa.CXO#obs/10904' / dataset identifier CHECKSUM= 'ejXDfhVAehVAehVA' / HDU checksum updated 2011-07-17T07:53:51 DATASUM = ' ' / data unit checksum updated 2011-05-02T05:30:56 DATE = '2011-07-17T07:53:51' / Date and time of file creation DATE-OBS= '2009-04-13T13:23:52' / Observation start date DATE-END= '2009-04-13T23:28:18' / 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-2 ' / ACIS-I2 FILTER = ' ' GRATING = 'NONE ' CYCLE = 'P ' / events from which exps? Prim/Second/Both SIM_X = -7.8090834371673E-01 / [mm] SIM offset SIM_Y = 0.0000000000000E+00 / [mm] SIM offset SIM_Z = -2.3358743446083E+02 / [mm] SIM offset TSTART = 3.5601623211226E+08 / Observation start time TSTOP = 3.5605249866407E+08 / Observation end time MISSION = 'AXAF ' / Mission TELESCOP= 'CHANDRA ' / Telescope Used INSTRUME= 'ACIS ' / Instrument OBS_ID = '10904 ' / Observation id SEQ_NUM = '501025 ' / 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 = 5.4934558242040E+04 / Modified Julian date of observation DS_IDENT= 'ADS/Sa.CXO#obs/10904' / dataset identifier REVISION= 1 / Processing version of data CHECKSUM= '0F5g2F2g0F2g0F2g' / HDU checksum updated 2011-07-17T07:53:51 DATASUM = '444082052' / data unit checksum updated 2011-07-17T07:53:51 RAND_SKY= 5.0000000000000E-01 RAND_PI = 1.0000000000000E+00 EQUINOX = 2.0000000000000E+03 / default DATE = '2011-07-17T07:53:51' / Date and time of file creation DATE-OBS= '2009-04-13T13:23:52' / Observation start date OBS_MODE= 'POINTING' / Observation mode DATE-END= '2009-04-13T23:28:18' / 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= 3.5211710219329E+08 / Basic Time offset (s) DATACLAS= 'OBSERVED' / default BTIMRATE= 2.5625001275168E-01 / Basic Time clock rate (s / VCDUcount) BTIMDRFT= -4.9951742543662E-19 / Basic Time clock drift (s / VCDUcount^2) FILTER = 'NONE ' / QE includes all filters RESPFILE= '0.3:11.0:0.01' / RMF File ASPFILE = '../../acisf10904/products/aux/asphist_2.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 = -7.8090834371673E-01 / [mm] SIM offset SIM_Y = 0.0000000000000E+00 / [mm] SIM offset SIM_Z = -2.3358743446083E+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 = 3.5601623211226E+08 / Observation start time GRATING = 'NONE ' / Grating DETNAM = 'ACIS-2 ' / ACIS-I2 RA_PNT = 6.3425675319184E+00 / Pointing RA DEC_PNT = 6.4141697221185E+01 / Pointing Dec ROLL_PNT= 2.6346638554579E+01 / Pointing Roll RA_TARG = 6.3291670000000E+00 / Observer's specified target RA DEC_TARG= 6.4136111000000E+01 / Observer's specified target Dec DEFOCUS = 1.4398718632593E-03 / SIM defocus (mm) RA_NOM = 6.3425675319184E+00 / Nominal RA DEC_NOM = 6.4141697221185E+01 / Nominal Dec ROLL_NOM= 2.6346638554579E+01 / Nominal Roll TSTOP = 3.5605249866407E+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 CTI_APP = 'PPPPPBPBPP' MISSION = 'AXAF ' / Mission TELESCOP= 'CHANDRA ' / Telescope Used INSTRUME= 'ACIS ' / Instrument FRACEXPO= 9.5066234549067E-01 / Effective fractional exposure 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 = 'A Deep Cycle 10 Chandra Observation of the Tycho Supernova Remnant' OBSERVER= 'Prof. John Hughes' / Principal investigator OBJECT = 'Tycho''s SNR' / Source name OBS_ID = '10904 ' / Observation id SEQ_NUM = '501025 ' / Sequence number ONTIME = 3.5166387733102E+04 / [s] Sum of GTIs ONTIME2 = 3.5166387733102E+04 / [s] Sum of GTIs LIVETIME= 3.4706912988251E+04 / [s] Livetime LIVTIME2= 3.4706912988251E+04 / [s] Livetime EXPOSURE= 3.4703647989362E+04 / [secs] Total exposure time EXPOSUR2= 3.4706912988251E+04 / [s] Exposure time DTCOR = 9.8693426381071E-01 / Dead time correction ASPTYPE = 'KALMAN ' FP_TEMP = 1.5328480530000E+02 / [K] Focal Plane Temperature RADESYS = 'ICRS ' / default HISTORY ----------------------------------------------------------------- HISTORY MKARF Processing History HISTORY ----------------------------------------------------------------- HISTORY Startup Directory: /xassist/data/pipeline4/chandra/10904/acisf10904/prodHISTORY ucts HISTORY Cmd Line: mkarf @@/tmp/tmp2pZe0U.par mode=hl HISTORY Parameter file used: /tmp/tmp2pZe0U.par HISTORY Detector Mask File: ../../acisf10904/data/aux/acisf10904_000N001_msk1.fiHISTORY ts.gz HISTORY Source SKY position: (4004.19,4561.93) HISTORY ---------------------------------------------------------------------- HISTORY ARDLIB History Records HISTORY ---------------------------------------------------------------------- HISTORY ARDLIB Version: 0.8.5 HISTORY File used for CALDB info: ../../acisf10904/products/events/fullrun_ccd2_HISTORY acisf10904_pi14-548_pass1_cl_src187_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[3] HISTORY ACIS Uniformity File: /opt/ciao-4.3/CALDB/data/chandra/acis/qeu/acisD200HISTORY 0-01-29qeuN0006.fits[3] HISTORY ACIS Contamination File: /opt/ciao-4.3/CALDB/data/chandra/acis/contam/acHISTORY isD1999-08-13contamN0006.fits[3] HISTORY ACIS 2 Badpix File: /opt/ciao-4.3/CALDB/data/chandra/acis/badpix/acisD20HISTORY 00-11-28badpixN0003.fits[3] HISTORY Vignetting File: /opt/ciao-4.3/CALDB/data/chandra/default/vignet/hrmaD19HISTORY 96-12-20vignetN0003.fits[1] HISTNUM = 22 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) = (-0.780908 0 -233.587) 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 2011-07-17T07:53:51 ASC00001HISTORY PARM :asphistfile=../../acisf10904/products/aux/asphist_2.fitsASC00002HISTORY CONT :.gz ASC00003HISTORY PARM :outfile=../../acisf10904/products/spectra/fullrun_ccd2_aASC00004HISTORY CONT :cisf10904_pi14-548_pass1_cl_src187.arf ASC00005HISTORY PARM :sourcepixelx=4004.1938195 ASC00006HISTORY PARM :sourcepixely=4561.9345761 ASC00007HISTORY PARM :engrid=0.3:11.0:0.01 ASC00008HISTORY PARM :obsfile=../../acisf10904/products/events/fullrun_ccd2_acASC00009HISTORY CONT :isf10904_pi14-548_pass1_cl_src187_src.evt.gz ASC00010HISTORY PARM :pbkfile=../../acisf10904/data/aux/acisf356016832N001_pbkASC00011HISTORY CONT :0.fits.gz ASC00012HISTORY PARM :dafile=CALDB ASC00013HISTORY PARM :mirror=HRMA ASC00014HISTORY PARM :detsubsys=ACIS-I2 ASC00015HISTORY PARM :grating=NONE ASC00016HISTORY PARM :maskfile=../../acisf10904/data/aux/acisf10904_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<>R> =e> >>D>>{>>{>33?>33>Q?B 5>Q>p?^>p>\?>\>Ǯ?>Ǯ>@&>>@>> =@b/> =>(@/>(>G@!>G>ff@5>ff>A>>A<[%>>Aa>>HAh}>H?AIL??\Ad?\?A׭??A2?? =qA>? =q? A,F? ?\)Aq?\)?Au??zA?z? =A1p? =?A ??HC!?H?(D*?(?pD ?p?RD1?R?D)??GDLJ?G?\DOj?\? Dܕ? ?D^[??ffDG?ff?ǮC?Ǯ?C:u??=qC,?=q?˅CI?˅?C??{C䦗?{?\)Cd?\)?УCY?У?C??33C5?33?zCM?z?CI?? =C? =?QC?Q?ٙC?ٙ?HCW?H?(CC?(?pC-?p?޸RCy?޸R?Ca ??GCW?G?\Cc&?\? CNm? ?CT??ffC?ff?C??C??=qC?=q?C_h??CP??{C?{?\)C?\)?C=??CK??33C|?33?zC'?z?CR?? =Cm)? =?QCj?Q?C??HC.?H?(C+?(?pC/?p?RCW?R@C N@@C @@GCM@G@C@@\CE@\@33C?@33@ CZ@ @zC;\@z@Ck@@CZH@@ffC`@ff@ =CdJ@ =@Cdg@@QC[@Q@CS#i@@ CL@ @ =qCAʌ@ =q@ HCF@ H@ CO*>@ @ (CPr@ (@ CVo@ @ pC[@ p@{Cb|@{@RCf@R@\)Cjj@\)@Cl@@Ckк@@GCn@G@Cu s@@\CyV@\@33C}<@33@ C~M @ @zC@z@C;@@CH@@ffCd@ff@ =Cτ@ =@C@@QCc@Q@C@@Cܥ@@=qC@=q@HC2@H@C @@(Cy@(@Cs@@pC @p@{CK@{@RC@R@\)C@\)@ Cȍ@ @ CѺ@ @!GC@!G@!CL8@!@"\C{@"\@#33CL@#33@# Cr@# @$zCf@$z@%C@%@%C@%@&ffCp@&ff@' =C#T@' =@'C@'@(QC@(Q@(C@(@)C@)@*=qC @*=q@*HC@*H@+CB@+@,(C@,(@,CF@,@-pC{@-p@.{C@.{@.RCL@.R@/\)CE@/\)@0Cԗ@0@0Cy@0@1GC*@1G@1C@1@2\C@2\@333CBe@333@3 Cz@3 @4zCÒ@4z@5C/y@5@5C@5@6ffCZ)@6ff@7 =C`@7 =@7C9@7@8QC@8Q@8C(@8@9C@9@:=qC @:=q@:HCۆ@:H@;CsB@;@<(CI@<(@{C@>{@>RCPj@>R@?\)C@?\)@@C9@@@@C:@@@AGCK@AG@AC@A@B\Cm@B\@C33Cɘ@C33@C C,+@C @DzC{B@Dz@EC@@E@EC@E@FffCY@Fff@G =C@G =@GC @G@HQCZ@HQ@HC^@H@ICw@I@J=qC6@J=q@JHCh@JH@KC|W@K@L(C@L(@LC@L@MpCO@Mp@N{Cɢ@N{@NRC!@NR@O\)C*@O\)@PCs%@P@PC@P@QGCV@QG@QCd@Q@R\C*s@R\@S33C@S33@S Cы@S @TzC)@Tz@UC2@U@UC@U@VffC@Vff@W =Cnw@W =@WC@W@XQCM@XQ@XC@X@YC@Y@Z=qC@Z=q@ZHCKa@ZH@[C&@[@\(C@\(@\C@\@]pC9@]p@^{C'K@^{@^RC]`@^R@_\)C@_\)@`C@`@`C @`@aGC>@aG@aCu7@a@b\C,@b\@c33C@c33@c C@c @dzC@dz@eCD@e@eCb@e@fffCf@fff@g =C@g =@gC@g@hQC@hQ@hC$l@h@iCC$@i@j=qC_@j=q@jHCz@jH@kC:@k@l(C$@l(@lC@l@mpC@mp@n{C @n{@nRC89@nR@o\)C?&@o\)@pCF @p@pCPR@p@qGC^@qG@qCk@q@r\C|e@r\@s33C@s33@s C@s @tzC=@tz@uC@u@uC@u@vffC@vff@w =Ce@w =@wCQ@w@xQC6@xQ@xC@x@yC@y@z=qC@z=q@zHCf@zH@{C@{@|(C@|(@|C.@|@}pCK@}p@~{Ci)@~{@~RC@~R@\)C)@\)@C@@QC֍@Q@C@@C e@@GC 1@G@C@@CI@@=qC{@=q@\C@\@HC@H@33C7@33@C@@ Cy@ @(Cj`@(@zCO=@z@C4@@C@@pC@p@C@@{C״@{@ffC@ff@RC*@R@ =C@ =@\)Cjs@\)@CK@@C-^@@QC,@Q@CW@@C|@@GC@G@C@@C\@@=qC7@=q@\C@\@HC%@H@33C@33@C@@ Cy@ @(C:@(@zC@z@C@@CK@@pCw@p@C9K@@{C @{@ffC@ff@RC@R@ =CZ@ =@\)Cn@\)@C@@C@@QCr@Q@C3@@C@@GC@G@CzD@@C1G@@=qCܣ@=q@\C@\@HC<@H@33Cb@33@C-@@ CO@ @(C@(@zC6@z@Cxy@@C)@@pC@@p@Cd&@@{C @{@ffC@ff@RCs*@R@ =C@ =@\)C@\)@CX @@C @@QC@Q@C<@@Cّ@@GC{@G@C3@@C@@=qCE@=q@\C@\@HC|@H@33C$I@33@C@@ CK@ @(C@(@zCv@z@C@@C@@pC4@p@Cw@@{CR@{@ffC@ff@RCo@R@ =Ct@ =@\)CW@\)@CO@@C9@@QC)@Q@Cz)@@CW@@GCsK@G@Ci@@Cm@@=qC@=q@\CbT@\@HCׄ@H@33CL@33@Cx@@ CG1@ @(C@(@zCD"@z@C^@@C8@@pCB@p@C@@{C@{@ffCp@ff@RC@R@ =C@ =@\)C~3@\)@C}@@CQ@@QCU@Q@C,i@@C@@GC@G@Cp@@Cܘ@@=qCK@@=q@\C@\@HC%@H@33C+@33@C@@ Ch@ @(C|@(@zC4p@z@C@@Cd@@pCk@p@C4@@{CN@{@ffCd@ff@RC~d@R@ =C};@ =@\)C|@\)@C{ @@Cy@@QCx@Q@Cw@@CvW@@GCuO@G@CtG@@Cs/N@@=qCr7@=q@\Cpݜ@\@HCoC@H@33Cn_@33@Cm@@ Clu|@ @(Ck]@(@zCjL@z@Ci<@@Ch2@@pCg0R@p@Cf.k@@{Ce*@{@ffCd'@ff@RCc,@R@ =Cb9@ =@\)CaE@\)@C`F_@@C_GG@@QC^P@Q@C]b8@@C\l@@GC[Z#@G@CZH&@@CY?@@=qCXAb@=q@\CWCs@\@HCV:e@H@33CU1@33@CT/"@@ CS1@ @(CR5C@(@zCQ7 @z@CP9j@@COT@@pCNv@p@CM@@{CLh@{@ffCKt@ff@RCJ`.@R@ =CIZz@ =@\)CHU|@\)@CGM@@CFFc@@QCEGR@Q@CDP`@@CCR@@GCBU5@G@CAXT@@C@W:@@=qC?Q@=q@\C>M`@\@HC=RX@H@33C@\)@B@@B@@QB@Q@BO2@@B@@GBr@G@陚B@陚@B @@=qB.@=q@\B@\@HBtl@H@33B$@33@B@@ BS@ @(B@(@zB@z@Bc@@B@@pB@p@Bq@@{BL@{@ffB'_@ff@RB@R@ =BV@ =@\)B@\)@BN@@B~'@@QB{W@Q@By}@@Bw@@GBu_@G@Bs @@Bq@@=qBoS@=q@\Bm'@\@HBj@H@33Bhi@33@Bf)@@ Bd8@ @(BbG\@(@zB`J|@z@B^N@@B\j@@pBZ@p@BX@@{BV@{@ffBU@ff@RBS+@R@ =BQ_@ =@\)BOj@\)@BM8@@BL:m@@QBJF@Q@BH@@BG@@GBEBy@G@BCu@@BA*@@=qB@H@=q@\B>@\@HB=5M@H@33B;@33@B:@@ B8r@ @(B6@(@zB5q@z@B4 @@B2@@pB10@p@B/@@{B.X@{@ffB,@ff@RB+@R@ =B*Ve@ =@\)B) E@\)@B'@AB&HAA(B$A(AQB#AQAzB"AzAB!BAAB bAABޯAABAAGBAQAzADAzAABAAA@KAAA>AAA;aAAGA9±AGApA7{WApAA58AAA3AAA0IAA{A.A{A=qA,A=qAffA*AffA\A(BA\ARA&SARAHA$xAHA =A"eA =A33A VA33A\)AEA\)AA0AAAAA A%"A AA.AA(A'\A(AQAAQAzAAzAA AAA AAA AAAxAAGA AGApA9^ApAAVAAAqAA@AA{@OA{A=q@A=qAff@AffA\@"A\AR@YARAH@iAHA =@!A =A33@ݵA33A\)@݅A\)A@AA@ֲAA @qA A @3A A (@ A (A Q@ɗA QA z@GA zA @A A @A A @- A A!@A!A!G@GA!GA!p@ A!pA!@A!A!@3A!A!@fA!A"{@A"{A"=q@HA"=qA"ff@A"ffA"\@A"\A"R@A"RA"H@r^A"HA# =@HA# =A#33@"A#33A#\)@A#\)A#@A#A#@A#A# @A# A$@}ʴA$A$(@x9A$(A$Q@rʈA$QA$z@mabA$zA$@g/A$A$@bA$A$@\A$A%@WA%A%G@RA%GA%p@M40A%pA%@ǦA%A%@BGA%A%@BA/33A/\)>ɷA/\)A/>㷥A/A/ >SA/ A0>