SIMPLE = T / file does conform to FITS standard BITPIX = 8 / number of bits per data pixel NAXIS = 0 / number of data axes EXTEND = T / FITS dataset may contain extensions XPROC0 = 'arfgen spectrumset=fullrun_pn_xmm0110010501_pi300-10000_pass1_cl_sr&'CONTINUE 'c39_src.pi rmfset=response.ds withrmfset=no arfset=fullrun_pn_xmm01&'CONTINUE '10010501_pi300-10000_pass1_cl_src39.arf detmaptype=flat detmaparray&'CONTINUE '=detmapfile.ds: detxoffset=1200 detyoffset=1200 withdetbounds=no de&'CONTINUE 'txbins=5 detybins=5 psfenergy=2 filterdss=yes filteredset=filteredp&'CONTINUE 'ixellist.ds withfilteredset=no sourcecoords=eqpos sourcex=0 sourcey&'CONTINUE '=0 withsourcepos=no extendedsource=no modeleffarea=yes modelquantum&'CONTINUE 'eff=yes modelfiltertrans=yes modelee=yes modelootcorr=yes eegridfac&'CONTINUE 'tor=100 withbadpixcorr=yes badpixlocation=../../../xmm0110010501/pr&'CONTINUE 'oducts/events/fullrun_pn_xmm0110010501_pi300-10000_cl.evt.gz psfmod&'CONTINUE 'el=notSpecified badpixelresolution=2 setbackscale=no keeparfset=yes&'CONTINUE ' useodfatt=no ignoreoutoffov=yes crossreg_spectrumset='''' crossreg&'CONTINUE 'ionarf=no # (arfgen-1.80.1) [xmmsas_20110223_1801-11.0.0]' XDAL0 = 'fullrun_pn_xmm0110010501_pi300-10000_pass1_cl_src39.arf 2013-05-03T&'CONTINUE '04:36:20.000 Create arfgen (arfgen-1.80.1) [xmmsas_20110223_1801-11&'CONTINUE '.0.0] High SAS_MEMORY_MODEL= SAS_ROWS= SAS_ZERO_ROWS= SAS_COLUMN_WI&'CONTINUE 'SE= ' CREATOR = 'arfgen (arfgen-1.80.1) [xmmsas_20110223_1801-11.0.0]' / name of code DATE = '2013-05-03T04:36:26.000' / creation date LONGSTRN= 'OGIP 1.0' HISTORY Created by arfgen (arfgen-1.80.1) [xmmsas_20110223_1801-11.0.0] at 2013-HISTORY 05-03T04:36:20 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 = 2067 / 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 TTYPE1 = 'ENERG_LO' / No comment TFORM1 = 'E ' / data format of field: 4-byte REAL TUNIT1 = 'keV ' / physical unit of field TTYPE2 = 'ENERG_HI' / No comment TFORM2 = 'E ' / data format of field: 4-byte REAL TUNIT2 = 'keV ' / physical unit of field TTYPE3 = 'SPECRESP' / No comment TFORM3 = 'E ' / data format of field: 4-byte REAL TUNIT3 = 'cm2 ' / physical unit of field EXTNAME = 'SPECRESP' / The name of this table TELESCOP= 'XMM ' / mission/satellite name INSTRUME= 'EPN ' / instrument/detector name FILTER = ' ' / filter in use ARFVERSN= '1992a ' / OGIP classification of FITS format HDUCLASS= 'OGIP ' / Format conforms to OGIP standard HDUCLAS1= 'RESPONSE' / dataset relates to spectral response HDUCLAS2= 'SPECRESP' / dataset is a spectral response matrix HDUVERS1= '1.0.0 ' / Obsolete - included for backwards compatibilityHDUVERS2= '1.1.0 ' / Obsolete - included for backwards compatibilityHDUVERS = '1.1.0 ' / the version of the HDUCLAS2 format in use END =L=P`?ed=P`=T@P=T=Y@=Y=]/A>}=]/=aGAj=aG=e`BAO1=e`B=ixA =ix=mhAڄb=mh=qA1=q=uB G=u=y#BU=y#=}B'=}=%B7=%=oBH}=o=BZI==+Bn&5=+=7LB=7L=CB=C=OB]=O=\)B!=\)=hsBo=hs=tB,=t=ByR==PBE=P=B"==BdF==-Br=-=wB=w=B== B= =TB=T=BB==B i[==1A;H=1={Aޓj={= A= =-AàR=-=9XAC=9X=EA=E=QAN=Q=^5Ak=^5=jA=j=vA`r=v=A?c==\A+?=\=ěA- =ě=ƧAG=Ƨ=ȴ9At|)=ȴ9=A==A==Ao==`A1T=`=BK:==Bk== =BG*= ==B:=="B q="=/A=/=;dAq=;d=GAӀC=G=SAJ=S=`BAƜy=`B=lAà&=l=xAPV=x=A==hA =h=AP==A==FAL=F=ArT==AU==#A=#=mA_=m=A =>A>>%A>%> JAa> J>oA^>o>AL>>AG>>$A >$>+AZ>+>1'B B>1'> 7LBT> 7L> =qB# > =q> CB*py> C> IB0> I> OB6Y> O>VB;j>V>\)B@>\)>bNBFN>bN>hsBM>hs>nBSj>n>tBY>t>zB_a'>z>Bcnx>>+Bf>+>PBj>P>uBl>u>Bnm>>Bn>>Bmq>>Bk/>>-Bj{>->RBi`>R>wBiQ>w> ĜBj> Ĝ>!Bm>!>"Bpb>"># Bs_># >$/Bw>$/>%TB{̘>%T>&yB>&y>'B >'>(B >(>)B>)>+ BJj>+ >,1B>,1>-VBh >-V>.{B>.{>/BQf>/>0 Bx>0 >1&Bd>1&>2-B&m>2->333Bۈ>333>49XB>49X>5?}B(>5?}>6EBn>6E>7KB5>7K>8QB->8Q>9XBRY>9X>:^5B>:^5>;dZB>;dZ>=pB>=p>>vB>>v>?|B>?|>@Bg=>@>A7B>A7>B\CBS>B\>CCJ>C>DCE>D>ECjT>E>FCj>F>GCŕ>G>H9C h>H9>I^C b>I^>JC ۵>J>KƨCK>Kƨ>LC2>L>MCg>M>NC>N>O;C>O;>P`C>P`>QCV>Q>RCN>R>SC>S>TCf>T>VC q>V>W =C>W =>XbC>Xb>YC!#>Y>ZC$6>Z>["C'n>[">\(C*7>\(>]/C-">]/>^5?C1>^5?>_;dC6H}>_;d>`AC:I>`A>aGC?>aG>bMCB>bM>cSCF>cS>dZCJ>dZ>e`BCNG>e`B>fffCQ>fff>glCTAq>gl>hrCV">hr>ixCX~q>ix>j~CZb>j~>kC\c>k>lDC^Q>lD>mhCa)p>mh>nCc8>n>oCfr>o>pCi>p>qCkij>q>r!Cm>r!>sFCo>sF>tjCr;>tj>uCt/>u>vȴCw >vȴ>wCy>w>xC{/>x>y#C~[>y#>zHCf>zH>{mCb>{m>|C >|>}Cr>}>~C>~>C8d>>C>>%C >%>7C>7> JC[> J>\C>\>oC>o>Ci>>C>>Ci>>C>>C:>>$Ck>$>C>>+CL>+>C>>1'CG)>1'>9Cd>9>7LC|>7L>^C>^>=qC@>=q>C >>CCk>C>ƨCݩ>ƨ>IC[@>I>C[>>OC1R>O>C>>VC>V>CIj>>\)C}>\)>;C`u>;>bNC>bN>`C>`>hsCGL>hs>Cl->>nC<>n>CХ>>tCj>t>CAI>>zCG>z>C2}>>Ce>>Bu>>+B>+> =Bً> =>PBõ>>P>bBr>b>uB>u>B>>#B#>#>"B2>">B">>5?C\>5?>wCE.>w>GCX>G>Cdq>>ZCk>Z>TCqO>T>lCu>l>C|@>>~Cu>~>1C>1>hC>h>C2>>C>>-C9y>->FC6>F>?}C>?}>ȴCQ>ȴ>QC6>Q>#C6>#>dZC >dZ>Cu>>vC4>v>C>>7CK>7>oCT>o>ěCq>ě>$C>$>ǮC>Ǯ>7LC8k>7L>C5>>ICĦ0>I>C>>\)C>\)>`C>`>nC>n>C]3>>ՁC+>Ձ> =C> =>ؓuCЁ>ؓu>CP>>ۥCP>ۥ>/C |>/>޸RC,G>޸R>AC1>A>C>>SC)`>S>/CGD>/>ffCr>ff>CH>>xCix>x> Cf> >DCܔ>D>{C>{>C;h>>&C>&>!Cs>!>9XD>9X>D.P>>KD?|>K>D0K>>^5D->^5>mD,>m>pD/>p>D>?ADh?A?%D5?%?D x??\D ?\?SD ?S?D b??jD s?j?D-??`BDU?`B?Dh??TD?T?$DBI?$?ffD?ff?DF??yD?y?+DK?+?lDC?l?D0|??Dˡ??1'C?1'?rD t?r?9D ?9?D?? 7LD{? 7L? xC? x? ^CA? ^? C ? ? =qC? =q? ~C߀|? ~? CCd? ?  C' ?  ? CC ? C? C? ? ƨC p? ƨ? 1C@b? 1? IC+? I? DC`(? D? C? ? hC2? h?VC?V?Cp??;D?;?DZ ??hsD(?hs?-DI?-?DR5??FD?F?zD?z??}D??}?D !??ȴD t?ȴ?PD I?P?QD ?Q?D M??#D N?#?D W??dZD2?dZ?(D`?(?D??-DJ?-?vDz?v?;dD$?;d? DL? ? ĜD? Ĝ?!7D-?!7?"MD(A?"M?#oDR?#o?# Dw?# ?$Do?$?%`BD I?%`B?&$Dd?&$?&yD6?&y?'DN?'?(rD]?(r?)7LD?)7L?)D?)?*Dn?*?+D?+?,ID"?,I?-VD?-V?-Di?-?.D?.?/\)DW0?/\)?0 D?0 ?0`D i?0`?1D!$?1?2nD!?2n?333D">?333?3D""?3?4jD#G?4j?5D#k?5?6ED$v?6E?7 =D%@w?7 =?7D&?7?8uD&?8u?9XD'd?9X?:D'?:?:HD(H?:H?;D(X?;?RD*p?>R??|D*??|?@AD+<@?@A?A%D+?A%?AD, Q?A?B\D,{?B\?CSD,?CS?DD-Jz?D?D/D-?D/?ED.@?E?FffD.b?Fff?G+D.?G+?GD/B[?G?H9D/d?H9?IxD/?Ix?J=qD0@V?J=q?K D0+?K ?KƨD0x?Kƨ?LDD1B?LD?MOD1i?MO?N{D2 ?N{?ND2^/?N?OD2'?O?PbND2Z?PbN?Q&D3Dz?Q&?QD3?Q?R!D3T?R!?StD42?St?T9XD4?T9X?TD4?T?UD5,?U?V+D5k?V+?WKD5?WK?XbD5-?Xb?XD6.?X?YD6y|?Y?Z^5D6?Z^5?["D7 ?["?[mD7YE?[m?\D7?\?]pD7?]p?^5?D8?o;?pD>pU?qhs?r-D>?r-?rD>?r?sFD?- ?sF?tzD?{L?tz?u?}D?n?u?}?vD@?v?vȴD@[?vȴ?wPD@G?wP?xQD@1?xQ?yDA H?y?y#DAC?y#?zDA?z?{dZDA?{dZ?|(DB?|(?|DBD?|?}-DB?}-?~vDBX?~v?;dDBخ?;d?DB7??bNDBz?bN?ĜDB?Ĝ?&DC?&?7DCC?7?DC{!??MDC7?M?!DCD?!?oDD?o?tDDB{?t? DDj? ?9XDD@?9X?DD??DD{??`BDE?`B?DE0V??$DE^?$?+DEn?+?yDE?y?KDE?K?DF)k??bDF^f?b?rDF?r?DFΦ??7LDGT?7L?DG8??DGg??^5DG?^5?DG??"DG?"?DH??mDH5|?m?IDH\?I?DH#??VDH?V?pDH??DS??`BDS7?`B?DSR??$DSn ?$?+DS??+?yDS?y?KDS?K?DSǤ??bDSڄ?b?rDS?r?DS??7LDT?7L?DT""??DT-;??^5DT9G?^5?DTDW??"DTO"?"?DTY??mDTa?m?IDTl=?I?DTv??VDTz?V?pDT?p?DT??5?DT?5??DT??DT??\)DT?\)?wDU?w? DU? ?DU$@ p@ D>@ @ hD>M@ h@ D>Z%@ @ -D>-/@ -@ D>@ @ D=ӛ@ @ TD=T@ T@ D=a@ @D=Z@@{D=#@{@$D<@$@5?D5@=@>{D |@>{@? =D :@? =@@D K@@@@D ĉ@@@AD @A@BHD "@BH@C D }z@C @DD @D@ED A@E@FRD @FR@GD @G@HD @H@ID I@I@J\D @J\@KD +P@K@LzD i@Lz@MpD sr@Mp@NffD S"@Nff@O\)D :P@O\)@PQD 5Y@PQ@QGD @QG@R=qD z@R=q@S33D Z@S33@T(D x6@T(@UD y@U@V{D o@V{@W =D /B@W =@XD Io@X@XD Er@X@YD E'@Y@ZHD F@ZH@[ D @[ @\D @\@]D YC@]@^RD O@^R@_D c@_@`D x@`@aD @a@b\D G@b\@cD @c@dzD @dz@epD D@ep@fffD C@fff@g\)D 6@g\)@hQD @hQ@iGD @iG@j=qD@j=q@k33DH@k33@l(D@l(@mDĩ@m@n{DY@n{@o =D@o =@pD@p@pD@p@qDf@q@rHDO&@rH@s D) @s @tDR@t@uD@u@vRD#p@vR@wD@w@xDP@x@yD*z@y@z\D^{@z\@{Df@{@|zDc@|z@}pD@}p@~ffD@~ff@\)DS@\)@(DW@(@D&@@D/X@@D=@@{D_Y@{@\D@\@ =DZ@ =@D@@DU<@@zDJN@z@DQ@@pDYH@p@Dg@@ffD@ff@HD@H@\)D^@\)@ D@ @QD@Q@D1@@GD- @G@D @@=qD@=q@RD@R@33D@33@D@@(DR@(@D8@@D@@D@@{D A@{@\DU@\@ =D@ =@Ds@@D@@zD@z@Dۥ@@pD@p@D-@@ffD~@ff@HDz @H@\)Dv@\)@ D@ @QD@Q@D@@GD@G@DIJ@@=qD@=q@RD@R@33Dv@33@Dzm@@(D@(@Dt@@D]A@@D@@{Ds@{@\DN@\@ =D\@ =@D~ @@D}@@zD|@z@D{@@pDv0@p@Du@@ffD@ff@HDM@H@\)D}@\)@ DH@ @QD{@Q@Dq@@GD@G@D@@=qDU"@=q@RD/r@R@33D2\@33@D1@@(D#@(@DP@@DM@@Di@@{D< @{@\D Y@\@ =D @ =@D c @@D @@zD R@z@D @@pD q@p@D 3@@ffD @ff@HD @H@\)D @\)@ D @ @QD $D@Q@D 3@@GD 0.@G@D @@=qD @=q@RD f@R@33D @33@D @@(D JW@(@D :@@D 0V@@D @@{D @{@\D @\@ =D |'@ =@D @@D @@zD @z@D ~n@@pD /@p@D z@@ffD e@ff@HD N@H@\)D W/@\)@ D :@ @QD J@Q@D@@GD@G@Dg@@=qD=X@=q@RDH@R@33D+@33@D @@(D` @(@D@@D@@Dg@@{D$h@{@\DV@\@ =Dt@ =@D@@DǛ@@zDQ@z@DH6@@pD@p@D@@ffDO@ff@HDz@H@\)DK&@\)@ D@ @QDT@Q@D@@GD*@G@D@@=qDK@=q@ƸRD"@ƸR@33D"@33@ǮD@Ǯ@(DU@(@ȣC]@ȣ@C2@@əCK@ə@{C/@{@ʏ\C/5@ʏ\@ =Ci@ =@˅CY@˅@C~@@zCk@z@C K@@pC@p@C?H@@ffCљ@ff@HC]~@H@\)Cy@\)@ CE1@ @QCk@Q@C @@GC@G@Ca%@@=qC@=q@ҸRC@ҸR@33C@33@ӮC?@Ӯ@(C+j@(@ԣC뽍@ԣ@Cd_@@ՙC@ՙ@{Cc@{@֏\CI@֏\@ =C鸼@ =@ׅCխ@ׅ@C*@@zC}@z@CF@@pC@p@CX@@ffC?@ff@HC=@H@\)C@\)@ C@*@ @QCܒ1@Q@C@@GC@l@G@Cڌ[@@=qCǞ@=q@޸RCX@޸R@33C*}@33@߮CU@߮@(C}|@(@CաN@@C@@ᙚCq@ᙚ@{CT@{@\C@\@ =C7@ =@C@@C~@@zC) @z@C7<@@pCMb@p@Cqq@@ffCʟe@ff@HCѷ@H@\)C7@\)@ C*@ @QCEp@Q@CLK@@GC1@G@C@@=qCXR@=q@RCN@R@33C(@33@C@@(CU5@(@CD@@C|@@홚C@홚@{CM@{@\C@\@ =CU:@ =@Cg@@CE@@zC@z@C@@pCLj@p@Cf@@ffCc@ff@HCf@H@\)C$@\)@ C8@ @QC}@Q@C@@GCl@G@Ck@@=qC@=q@RC#@R@33C}@33@CS@@(C ,@(@C1@@C4E@@C@@{C4@{@\C|@\@ =C @ =@Co*@@Cf,@@zC@z@C@@pCU@p@CE@@ffC@ff@HC*@H@\)CQ+@\)@ Ce@ A(CA(AffCZAffACAAHC"tAHACAA\)CA\)ACHAA CA A{ChA{AQC3AQA\C"YA\ACAA =CWA =AGCJAGACAACAACmAA=qCutA=qAzC)AzARC@ARAC;AA33CuA33ApC }ApACήAACyAA(CTA(AffC AffAC(oAAHC~AHAC7AA\)CbA\)ACAA CЮA A{CA{AQC}ÛAQA\C| WA\ACzAA =Cy=A =A GCx -A GA CvA A CuyA A CtA A =qCsA =qA zCrA zA RCqU)A RA CpA A 33CnA 33A pClՐA pA Ck8A A CiKA A (Cg.A (A ffCeRA ffA CcSA A HCb A HA C`A A \)C_A \)A C^ A A C^wA A{C]m;A{AQC\ɷAQA\C\'MA\AC[|AA =CZA =AGCYAGACXAACWOAACV^AA=qCT5A=qAzCR5AzARCP'ARACN!AA33CL<A33ApCJApACI,AACH'AA(CGPrA(AffCF%AffACEAAHCEJAHACDAA\)CDTA\)ACCsAA CBA A{CAA{AQCAAQA\C@A\AC>%AA =C=˥A =AGCA5pA5BlA5A5Bi A5A6(BeA6(A6ffBbA6ffA6B`A6A6HB]A6HA7B[IA7A7\)BY+$A7\)A7BW'A7A7 BU3rA7 A8{BSCHA8{A8QBQNA8QA8\BOH`A8\A8BM$A8A9 =BJٴA9 =A9GBH[A9GA9BE:A9A9BBA9A:B?-A:A:=qB{AA>{A>QANVA>QA>\AEA>\A>AQ`A>A? =A \A? =A?GAWkA?GA?AkA?A?A"A?A@AA@A@=qAUCA@=qA@zAA@zA@RA#A@RA@A{A@AA33AAA33AApAAApAAA(AAAAAAAAB(AfAB(ABffAABffABAABABHAPABHACAdACAC\)AAC\)ACARACAC AAC AD{AAD{ADQA&ADQAD\AAD\ADAI'ADAE =AAE =AEGAa AEGAEAAEAEAoAEAFAAFAF=qABmAF=qAFzA4AFzAFRA~AFRAFAݡAFAG33AAG33AGpA}AGpAGA{0AGAGAyAGAH(AwAH(AHffAuAHffAHAs|)AHAHHAqcAHHAIAoFAIAI\)AmAI\)AIAj$AIAI Ah&AI AJ{AeAJ{AJQAb7AJQAJ\A`VAJ\AJA]hAJAK =A[AK =AKGAXkAKGAKAUAKAKASh;AKALAQ 4ALAL=qANAL=qALzALALzALRAJ]ALRALAHmALAM33AFAM33AMpADAMpAMABۣAMAMA@9AMAN(A?AN(ANffA=1$ANffANA;AANANHA9GANHAOA7=MAOAO\)A5}AO\)AOA2AOAO A0 AO AP{A. AP{APQA+qAPQAP\A(AP\APA& APAQ =A#JAQ =AQGA AQGAQAAQAQA-AQARAARAR=qA+AR=qARzA@ARzARRAARRARAARAS33A AS33ASpA *ASpASA ASASAASAT(AkAT(ATffAATffATAvATATHAATHAUAAUAU\)A {AU\)AU@>AUAU @AU AV{@zuAV{AVQ@#AVQAV\@mAV\AV@MAVAW =@KAW =AWG@~AWGAW@AWAW@1AWAX@SoAXAX=q@ZAX=qAXz@C`AXzAXR@AXRAX@ȤAXAY33@AY33AYp@WwAYpAY@eAYAY@AYAZ(@AZ(AZff@mAZffAZ@_AZAZH@,AZHA[@A[A[\)@qmA[\)A[@|A[A[ @~OA[ A\{@RA\{A\Q@^(A\QA\\@m~_A\\A\@|A\A] =@HA] =A]G@& A]GA]@xA]A]@A]A^@mA^A^=q@A^=qA^z@IA^zA^R@}YA^RA^@z_@A^A_33@wA_33A_p@sA_pA_@p[A_A_@mA_A`(@jA`(A`ff@g.#A`ffA`@dUA`A`H@bn A`HAa@`DRAaAa\)@^ bAa\)Aa@[JAaAa @YAa Ab{@WYAb{AbQ@U1JAbQAb\@SAb\Ab@Q"AbAc =@OIAc =AcG@MAcGAc@LAcAc@J̒AcAd@IAdAd=q@HzAd=qAdz@HmmAdzAdR@JAdRAd@MõAdAe33@R^Ae33Aep@VAepAe@YAeAe@9AeAf(@6NAf(Afff@3u_AfffAf@1NAfAfH@/nAfHAg@.?AgAg\)@-UAg\)Ag@,AgAg @+!Ag Ah{@+5Ah{AhQ@)!AhQAh\@(7Ah\Ah@'͉AhAi =@&Ai =AiG@%AiGAi@%5AiAi@$KAiAj@#AjAj=q@"Aj=qAjz@!{AjzAjR@!(iAjRAj@ [lAjAk33@ Ak33Akp@sAkpAk@MAkAk@SAkAl(@޷Al(Alff@=AlffAl@ܽAlAlH@ԟAlHAm@ɱAmAm\)@Am\)Am@AmAm @^Am An{@sAn{AnQ@SAnQAn\@0An\An@ AnAo =@qAo =AoG@ AoGAo@ ZAoAo@ PAoAp@ FApAp=q@ˌAp=qApz@zApzApR@!6ApRAp@ApAq33@[]Aq33Aqp@MAqpAq@'AqAq?-AqAr(?RAr(Arff?xArffAr?ArArH?#ArHAs? AsAs\)?PAs\)As?0AsAs ?As At{?$At{AtQ?G~AtQAt\?_At\At?sBAtAu =?ىAu =AuG?֦AuGAu?1AuAu? AuAv?]AvAv=q?Av=qAvz?^!AvzAvR?iAvRAv?AvAw33?Aw33Awp?nAwpAw?AwAw?AwAx(?TAx(Axff?%AxffAx?~AxAxH?.AxHAy?XAyAy\)?Ay\)Ay?_AyAy ?"Ay Az{?Az{AzQ?AzQAz\?Az\Az?AzA{ =?A{ =A{G?A{GA{?jA{A{?.MA{A|?A|A|=q?JaA|=qA|z?^A|zA|R?$A|RA|?~A|A}33?tA}33A}p?XA}pA}?aA}A}?A}A~(?A~(A~ff?)A~ffA~?qA~A~H?A~HA?[AA\)?yA\)A?AA ?XA A =?