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_xmm0412990201_pi300-10000_pass1_cl_sr&'CONTINUE 'c44_src.pi rmfset=fullrun_pn_xmm0412990201_pi300-10000_pass1_cl_src&'CONTINUE '44.rmf withrmfset=yes arfset=fullrun_pn_xmm0412990201_pi300-10000_p&'CONTINUE 'ass1_cl_src44.arf detmaptype=flat detmaparray=detmapfile.ds: detxof&'CONTINUE 'fset=1200 detyoffset=1200 withdetbounds=no detxbins=5 detybins=5 ps&'CONTINUE 'fenergy=2 filterdss=yes filteredset=filteredpixellist.ds withfilter&'CONTINUE 'edset=no sourcecoords=eqpos sourcex=0 sourcey=0 withsourcepos=no ex&'CONTINUE 'tendedsource=no modeleffarea=yes modelquantumeff=yes modelfiltertra&'CONTINUE 'ns=yes modelee=yes modelootcorr=yes eegridfactor=100 withbadpixcorr&'CONTINUE '=yes badpixlocation=../../../xmm0412990201/products/events/fullrun_&'CONTINUE 'pn_xmm0412990201_pi300-10000_cl.evt.gz psfmodel=notSpecified badpix&'CONTINUE 'elresolution=2 setbackscale=no keeparfset=yes useodfatt=no ignoreou&'CONTINUE 'toffov=yes crossreg_spectrumset='''' crossregionarf=no # (arfgen-1.&'CONTINUE '80.1) [xmmsas_20110223_1801-11.0.0]' XDAL0 = 'fullrun_pn_xmm0412990201_pi300-10000_pass1_cl_src44.arf 2012-03-14T&'CONTINUE '10:35:43.000 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 = '2012-03-14T10:36:38.000' / creation date LONGSTRN= 'OGIP 1.0' HISTORY Created by arfgen (arfgen-1.80.1) [xmmsas_20110223_1801-11.0.0] at 2012-HISTORY 03-14T10:35:43 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`Ac.d=P`=TA5=T=YB>|=Y=]/BS=]/=aGB)=aG=e`BBҺ=e`B=ixB=ix=mhB 3=mh=qC=q=uCl=u=y#C=y#=}C%q=}=%C0$8=%=oC:=o=CE8==+CP[=+=7LC_)=7L=CCn"$=C=OC{ =O=\)CI=\)=hsCN=hs=tCu=t=CZC==PC?l=P=C-===C*%==-C+t=-=wC+r\=w=C+߫== C,)r= =TC,m"=T=C(==C!Gz==1C52=1={C={= C = =-C=-=9XC =9X=EC=E=QB=Q=^5B6=^5=jB@=j=vB=v=B׏==\B-=\=ěB=ě=ƧBn=Ƨ=ȴ9BՓ=ȴ9=B==C ==Ck==`C=`=C&ޡ==C0== =C5k= ==C3.=="C*a{="=/C|=/=;dC=;d=GC pd=G=SCV=S=`BC=`B=lCw=l=xCD=x=C==hC5=h=C,==Cʾ==FC=F=C*==C==#C=#=mB=m=B=>B'>>%B>%> JB-> J>oB~>o>Cg>>Cq>>$C >$>+C>+>1'CW>1'> 7LC&> 7L> =qC-0> =q> CC2> C> IC7\> I> OC; E> O>VC>>V>\)CB{>\)>bNCF{>bN>hsCJ>hs>nCN>n>tCS >t>zCVf>z>CY\4>>+C[Y>+>PC]E>P>uC^>u>C` c>>C` >>C_fD>>C^tP>>-C])>->RC\f>R>wC\>w> ĜC]> Ĝ>!C^:>!>"C`>"># Cbm># >$/Cd%>$/>%TCgGy>%T>&yCj>&y>'Cn5=>'>(Cr1>(>)Cv!>)>+ C{>+ >,1C!>,1>-VC">-V>.{C>.{>/C">/>0 C?>0 >1&Chk>1&>2-C>2->333C">333>49XCn>49X>5?}CI->5?}>6ECk>6E>7KCQ>7K>8QC>8Q>9XCl>9X>:^5C>:^5>;dZC >;dZ>=pC՝>=p>>vC>>v>?|C+>?|>@C9>@>A7Cro>A7>B\C>B\>CCW>C>DC>D>EC)>E>FC>F>GC>G>H9C1e>H9>I^CV>I^>JCG>J>KƨC^>Kƨ>LC>L>MC%>M>NC'>N>O;Cd>O;>P`C)E>P`>QC>Q>RC>R>SC}>S>TCz>T>VC!V>V>W =Cu>W =>XbCR>Xb>YC̸x>Y>ZCα>Z>["C>[">\(CA>\(>]/C/>]/>^5?Cع|>^5?>_;dC>_;d>`AC>`A>aGC->aG>bMC>bM>cSC筥>cS>dZCYR>dZ>e`BCH>e`B>fffC/>fff>glCL>gl>hrC>hr>ixC>ix>j~Co>j~>kC>k>lDCf>lD>mhC>mh>nC>n>oC>o>pCx>p>qD>q>r!DH>r!>sFD q>sF>tjD׵>tj>uD>u>vȴD>vȴ>wDW>w>xD*N>x>y#DY>y#>zHD>zH>{mD3>{m>|D 4>|>}D f>}>~D S>~>D ;W>>D >>%D >%>7D>7> JD%> J>\DS>\>oD>o>DLJ>>Dw>>D&>>D$>>D>>$DM>$>D>>+D:>+>D%>>1'Dg>1'>9Da>9>7LDT>7L>^D9>^>=qD@>=q>D >>CDܽ>C>ƨD$>ƨ>IDk>I>D{>>OD p>O>D!L>>VD"% >V>D"T>>\)D#G>\)>;D$q>;>bND%C>bN>`D&>`>hsD&F:>hs>C#>>nCV$>n>C.>>tCŪ>t>C>>zC>z>C >>C6>>Cn>>+CiE>+> =CT> =>PCC9R>P>bCD->b>uCZs>u>Cg>>#Cge>#>"Cd>">Ci>>5?C>5?>wCǀ>w>GC>G>C¬;>>ZC*>Z>TC^>T>lC8>l>CӛB>>~Cu>~>1Cx>1>hC['>h>C>>C>>-C>->FCc>F>?}C'>?}>ȴD>ȴ>QD>Q>#Dd>#>dZD>dZ>DC>>vD >v>D ~>>7D >7>oD >o>ěD>ě>$Dp>$>ǮDxe>Ǯ>7LD>7L>D>>ID>I>DC>>\)DwY>\)>`DQ>`>nD>n>D˟>>ՁD(>Ձ> =D> =>ؓuD [>ؓu>D#>>ۥD&v>ۥ>/D(F#>/>޸RD*$>޸R>AD+>A>D-U>>SD.>S>/D/>/>ffD1ը>ff>D3>>xD4K2>x> D5zf> >DD7 >D>{D9>{>D:d>>&D;G>&>!D!>9XD>B>9X>D?VA>>KD@>K>DA>>^5DC\>^5>mDDg{>m>pDB>p>D@>?ADA&?A?%DC$C?%?DDkz??\DEs?\?SDFw?S?DGz??jDH?j?DJF;??`BDK?`B?DKh??TDKO?T?$DLA?$?ffDL?ff?DLGU??yDL?y?+DM?+?lDL6?l?DL(??D8??1'D6?>?1'?rDEk?r?9DC ?9?D>9?? 7LD9SG? 7L? xD4^? x? ^D0>? ^? D*? ? =qD$=? =q? ~D"I? ~? D$>? ?  D(^?  ? CD+p1? C? D,F? ? ƨD.9? ƨ? 1D0)? 1? ID1Z ? I? DD2? D? D2? ? hD3? h?VD5?V?D5U??;D8 c?;?D9;??hsD;?hs?-D=?-?D>v??FD@s9?F?zD@?z??}DB??}?DC]??ȴDD[?ȴ?PDE?P?QDF?Q?DG>??#DG?#?DG??dZDI;R?dZ?(DJ?(?DK??-DLH?-?vDMnS?v?;dDNU?;d? DO(? ? ĜDO*? Ĝ?!7DP?!7?"MDQv?"M?#oDRi8?#o?# DSV?# ?$DT9?$?%`BDU ?%`B?&$DU1?&$?&yDV~O?&y?'DW+q?'?(rDW?(r?)7LDX?)7L?)DYp?)?*DZr/?*?+D[R;?+?,ID[*?,I?-VD\|C?-V?-D\?-?.D]l?.?/\)D^ ?/\)?0 D^?0 ?0`D_?0`?1D`Ge?1?2nD`L?2n?333Da?333?3DbL?3?4jDb?4j?5Dci?5?6EDdZ`?6E?7 =De]%?7 =?7Dfl?7?8uDgT?8u?9XDhq?9X?:Dh?:?:HDi>?:H?;Di?;?RDk?>R??|Dl95??|?@ADl?@A?A%Dm0?A%?ADmV?A?B\Dn2?B\?CSDn`?CS?DDo/?D?D/Do?D/?EDp$?E?FffDp?Fff?G+Dqv?G+?GDq?G?H9Dr?(?DD?D?D??ODn?O?-D?-?{Dm?{?vD?v?D#??;dD-!?;d?D8??DD??bNDQb?bN?ĜD_x?Ĝ?&DlM?&?7Dx?7?D??MD?M?!D?!?oD?o?tD?t? D|? ?9XDF?9X?D??DE??`BD ?`B?D??$D,W?$?+D>+?+?yDM?y?KDZ?K?Dg??bDs?b?rD~?r?Dp??7LDR?7L?D??D??^5D?^5?D@??"D*?"?DY??mDm?m?ID?I?D??VD?V?pD?p?DZ??5?De?G?DC@ z@ DD@ D@ DX@ @ D@ @ jD@ j@ D@ @ /Db{@ /@ DD @ @ D&@ @ VD @ V@ D[@ @ /Dͮ@ /@ ?}D.@ ?}@ ODA@ O@ `BDms@ `B@ pDMr@ p@ D. @ @ hD@ h@ D@ @ -D@ -@ D@ @ D5@ @ TDx@ T@ D^@ @D@p@@{DJ@{@$D@$@5?D @5?@EDL@E@VD@V@ffDa@ff@vD((@v@+Db@+@D~k@@D~{@@RD}++@R@ȴD|M|@ȴ@D{vR@@yDzQ@y@Dy<@@ =Dxq@ =@Dv~@@+Dt@+@;dDrG7@;d@KDox@K@\)Dl@\)@lDj @l@|Dgg@|@PDd@P@Db@@D_G@@@wD\@w@DY@@;DVI@;@DT F@@DQN@@bDN @b@ DL@ @1'DI@1'@ADG&@A@QDD@Q@bNDB@bN@rDA@r@D?K{@@uD=6@u@Di@hs@xD56@x@7D51@7@D5/@@D52>@@^D58@^@D5C@@#D5N@#@D5V@@D5V@@ JD5L@ J@D5<@@-D5,/@-@=qD5?@=q@MD5@M@^5D5#@^5@nD5X@n@~D5v@~@\D5@\@D5@@!D5Q@!@D5@@D6W@@HD6J<@H@D6q @@ D6@ @oD6@o@"D6`@"@33D6B@33@CD6@C@SD7@S@dZD7FI@dZ@tD7t@t@D7@@D7@@D7i@@FD7C@F@ƨD7@ƨ@ D7@ @mD7|@m@D7c@@1D7=@1@D7 @@(D6V@(@9XD6@9X@ID6bZ@I@ZD6@Z@jD5s@j@zD5[@z@DD4@D@D4J@@D3@@jD2@j@D2@@/D1C[@/@D0{G@@D/@@VD.%@V@D.C@@/D-h@/@?}D,@?}@OD,@O@`BD+n@`B@pD*պ@p@D*D^@@hD)C@h@D)#@@-D(@-@D(;@@D'@@TD'@T@D'g@@D'6@@{D'@{@$D'@$@5?D'0@5?@ED')@E@VD'6V@V@ffD'?@ff@vD'E @v@+D'H@+@D'KR@@D'NR@@RD'RR@R@ȴD'[@ȴ@D'v@@yD',@y@D'@@ =D'R@ =@D(A@@+D(@+@;dD(8@;d@KD(&t@K@\)D(1@\)@lD(=@l@|D(I@|@PD(T@P@D(a@@D(or@@wD( @w@D(O@@;D(@;@D(@@D(@@bD)@b@ D)2@ @1'D)B_@1'@AD)i@A@QD)@Q@bND)@bN@rD)1@r@D*F@@uD*H$@u@D*y@@9D*@9@ĜD*@Ĝ@D+#@@`D+R@`@D+@@%D+@%@D+@@&D,)9@&@7LD,]v@7L@GD,@G@XD,r@X@hsD,i@hs@xD-,@x@7D-_r@7@D-@@\D/N*@\@D1@@zD4*@z@pD51@p@ffD6@ff@\)D7@\)@ QD8t{@ Q@!GD9-@!G@"=qD:@"=q@#33D9n@#33@$(D9@$(@%D9(@%@&{D9p@&{@' =D:@' =@(D<,@(@(D=&@(@)D=@)@*HD=g@*H@+ D=@+ @,D=S@,@-D=@-@.RD=@@.R@/D:@/@0D4Q@0@1D/D@1@2\D2 "@2\@3D4.U@3@4zD5"@4z@5pD6@5p@6ffD6s@6ff@7\)D75T@7\)@8QD7@8Q@9GD8@9G@:=qD9o@:=q@;33D:@;33@<(D;r@<(@=D{D<@>{@? =D= '@? =@@D=@@@@D>/@@@AD>[@A@BHD>@BH@C D?#@C @DD?k@D@ED?@E@FRD?s@FR@GD?W}@G@HD?. @H@ID>@I@J\D=7@J\@KD=&@K@LzD@V{@W =D>M@W =@XD>nU@X@XD>c@X@YD>_@Y@ZHD>] @ZH@[ D=@[ @\D=i@\@]D=@]@^RD=)@^R@_D=1@_@`D=0@`@aD=tl@a@b\D>@g@b\@cD>Ⱦ@c@dzD?A@dz@epD?P@ep@fffD@-@fff@g\)D@:@g\)@hQD@P@hQ@iGD@m@iG@j=qD@@j=q@k33D@׺@k33@l(DA&@l(@mDAy@m@n{DA@n{@o =DAm@o =@pDAR@p@pDA@p@qDBG@q@rHDB$@rH@s DA@s @tDA@t@uDA@u@vRDAޭ@vR@wDAӱ@w@xDA%@x@yDA@y@z\DB%@z\@{DB@{@|zDB@|z@}pDBg@}p@~ffDBu@~ff@\)DBk@\)@(DC@(@DC%c@@DC.<@@DC?@@{DCl4@{@\DC@\@ =DC8@ =@DC@@DCW$@@zDCE@z@DCM@@pDCWg@p@DCg@@ffDCh@ff@HDC!@H@\)DD @\)@ DD34@ @QDDS@Q@DDsJ@@GDDk9@G@DD=v@@=qDDH@=q@RDDU!@R@33DDS@33@DDP)@@(DDH@(@DD-b@@DDc@@DD9@@{DD2Y@{@\DC@@\@ =DD2@ =@DD%@@DC@@zDCk@z@DC@@pDC@p@DCu@@ffDCo@ff@HDCi@H@\)DCe@\)@ DC@ @QDCϽ@Q@DC}@@GDC΀@G@DCK@@=qDC;@=q@RDCu^@R@33DCdp@33@DCh@@(DCl@(@DCa@@DCA@@DC@@{DC@{@\DCR@\@ =DC~@ =@DCp@@DCp%@@zDCo@z@DCn@@pDCi@p@DCh@@ffDC[@ff@HDCڏ@H@\)DC@\)@ DC0e@ @QDB~@Q@DBA@@GDB@G@DBM)@@=qDAO@=q@RDA@R@33DA(@33@DA@@(DA@(@DAb@@D@@@D@r@@{D@@{@\D@<@\@ =D?Ћ@ =@D?_@@D?q@@zD>a@z@D>:@@pD>@p@D>@@ffD>@ff@HD>Ȱ@H@\)D>/@\)@ D?@ @QD?$X@Q@D?="@@GD?9@G@D?#@@=qD>1@=q@RD>@R@33D>@33@D>~n@@(D>@(@D>@@D=M@@D=@@{D=+@{@\D=@\@ =D=[@ =@D<@@D<4@@zDe@R@33Cd@33@C|@@(C}#@(@CZ@@C@@C;@@{C@{@\CX@\@ =C@ =@C8@@Cӳ@@zCޟs@z@Cݑ@@pCܗ@p@Cۭb@@ffC̓@ff@HC@H@\)C@\)@ CFA!GA!C= XA!A!C;qA!A"C:A"A"=qC9bA"=qA"zC8)`A"zA"RC6 A"RA"C5}A"A#33C4cpA#33A#pC3A#pA#C1A#A#C0tA#A$(C/0A$(A$ffC-*A$ffA$C,A$A$HC+4A$HA%C)kA%A%\)C(A%\)A%C'+A%A% C%A% A&{C$^GA&{A&QC"ޫA&QA&\C!TA&\A&CA&A' =C<|A' =A'GCA'GA'C?A'A'CڭA'A(CA(A(=qC`-A(=qA(zCWCA(zA(RClA(RA(C\A(A)33CA)33A)pCA)pA)ChA)A)CFA)A*(C LA*(A*ffCVA*ffA*CzA*A*HCqA*HA+C A+A+\)C A+\)A+C A+A+ C iA+ A,{C fA,{A,QCA,QA,\CA,\A,CA,A- =CA- =A-GCA-GA-CRWA-A-B#A-A.BA.A.=qBΔA.=qA.zB-A.zA.RBA.RA.BA.A/33BTFA/33A/pBA/pA/B,A/A/BA/A0(B`sA0(A0ffBA0ffA0BȨA0A0HBA0HA1B =A1A1\)B0A1\)A1BVA1A1 B{pA1 A2{BܞaA2{A2QBںA2QA2\B1A2\A2B֣A2A3 =BA3 =A3GBҽA3GA3BКA3A3B[\A3A4BA4A4=qBK,A4=qA4zBƍA4zA4RBû{B1~A>{A>QBA>QA>\AA>\A>A:A>A? =ATA? =A?GAA?GA?AA?A?AuDA?A@A̗%A@A@=qAFPA@=qA@zAщA@zA@RAg#A@RA@AA@AA33A AA33AApAޞAApAAAgAAAAAװAAAB(A׻^AB(ABffAא'ABffABA5ABABHARABHACAOdACAC\)AѼAC\)ACAPACAC AAC AD{A9AD{ADQAӥADQAD\A AD\ADAnADAE =AͻAE =AEGA*xAEGAEAЃAEAEAcAEAFAAFAF=qA#AF=qAFzA AFzAFRAبAFRAFAʆAFAG33ArAG33AGpAǝzAGpAGAmAGAGAsAGAH(AѸAH(AHffA/.AHffAHAvAHAHHAAHHAIAPAIAI\)A_AI\)AIAAIAI AAI AJ{AДAJ{AJQAAJQAJ\AAJ\AJAAJAK =A AK =AKGAAKGAKApAKAKAAKALAALAL=qAAL=qALzANALzALRAALRALArALAM33AAM33AMpA0AMpAMAQAMAMAzAMAN(AAN(ANffA!ANffANAANANHA pANHAOAmAOAO\)A:AO\)AOAAOAO A!AO AP{A'S!AVQAV\A;zAV\AVA8AVAW =A5ȿAW =AWGA2AWGAWA/AWAWA,AWAXA)AXAX=qA&AX=qAXzA#fAXzAXRAAXRAXArAXAY33A/AY33AYpAzAYpAYAAYAYA 6^AYAZ(A AZ(AZffAAZffAZA-ZAZAZHAHAZHA[@eA[A[\)@:A[\)A[@ؗA[A[ @?A[ A\{@$A\{A\Q@FWA\QA\\@wA\\A\@}A\A] =@#oA] =A]G@fKA]GA]@DZA]A]@ƝA]A^@5A^A^=q@ÆA^=qA^z@A^zA^R@A^RA^@LA^A_33@{A_33A_p@A_pA_@EA_A_@eA_A`(@A`(A`ff@A`ffA`@ȹA`A`H@A`HAa@jAaAa\)@Aa\)Aa@AaAa @ Aa Ab{@AAb{AbQ@}AbQAb\@Ab\Ab@&{AbAc =@xAc =AcG@8AcGAc@AcAc@5AcAd@ AdAd=q@bAd=qAdz@AdzAdR@AdRAd@ AdAe33@(Ae33Aep@&wAepAe@AeAe@mAeAf(@(Af(Afff@7AfffAf@IAfAfH@AfHAg@HAgAg\)@1Ag\)Ag@AgAg @Ag Ah{@~Ah{AhQ@|AhQAh\@{eAh\Ah@yAhAi =@x$Ai =AiG@w6wAiGAi@uAiAi@tIAiAj@sAjAj=q@rYAj=qAjz@q,AjzAjR@o}AjRAj@naAjAk33@m'Ak33Akp@l7KAkpAk@jAkAk@ilAkAl(@gAl(Alff@fdAlffAl@dцAlAlH@c4AlHAm@aXAmAm\)@_ Am\)Am@^2AmAm @\x+Am An{@ZAn{AnQ@XaAnQAn\@W An\An@UPAnAo =@S{Ao =AoG@QhAoGAo@O.AoAo@M.AoAp@KApAp=q@IQAp=qApz@G+ApzApR@E-ApRAp@C,ApAq33@AJAq33Aqp@?]8AqpAq@=)AqAq@:AqAr(@8ÍAr(Arff@6ArffAr@4bArArH@29ArHAs@0:AsAs\)@-GAs\)As@+AsAs @)ڝAs At{@'At{AtQ@%AtQAt\@#QAt\At@!AtAu =@Au =AuG@AuGAu@AuAu@kAuAv@` AvAv=q@j Av=qAvz@AvzAvR@NAvRAv@.mAvAw33@ Aw33Awp@ `AwpAw@ 3_AwAw@ AwAx(@ qAx(Axff@$?AxffAx@>pAxAxH@cAxHAy@AyAy\)@ċAy\)Ay@AyAy @54Ay Az{@nAz{AzQ@AzQAz\@Az\Az?DAzA{ =?6vA{ =A{G?YA{GA{?bgA{A{?KA{A|?A|A|=q?A|=qA|z?eA|zA|R?!A|RA|?fA|A}33?՝A}33A}p?:A}pA}?A}A}?gA}A~(?OjA~(A~ff?ܭMA~ffA~?A~A~H?ׂsA~HA?cAA\)?҉(A\)A?%AA ?A A =?i