SIMPLE = T / BITPIX = 16 / NAXIS = 2 / NAXIS1 = 796 / NAXIS2 = 520 / BSCALE = 1.0 / BZERO = 0 / JD = 2451075.69884 / Julian Date at beginning of exposure DATE-OBS= 9.18 / MM.DD Local date at previous sunset LMST = 22.45 / HH.MM mean LST at beginning of exposure EXPOSURE= 120.00 / Time in seconds, excluding readout CCD_TEMP= -10.00 / Temperature of CCD OBJECT = meridian / approximately OBSERVER= P.R.McCullough_et_al / SIZE = 5.0x8.0 / Size of image in degrees LATITUDE= 40.11023 / Latitude of the Observing Site LONGITUD= 88.22070 / Longitude (both in degrees) INSTRUME= KAF0400 / Nikon 50mm f 1.4 at 2.0 TELESCOP= Stardial / This is copyrighted material. EMAIL = pmcc@astro.uiuc.edu / If you use it, please email us... URL = www.astro.uiuc.edu / ...so we may justify continuing it. BKG0 = 29814.96 / Average value before background subtraction COMMENT / Background = BKG1 + BKG2*P1(X) + BKG3*P1(Y) + COMMENT / BKG4*P2(X) +BKG5*P3(X) +BKG6*P4(X) +BKG7*P5(X) COMMENT / X(i) = (i-0.5*NAXIS1)/(0.5*NAXIS1) COMMENT / Y(j) = (j-0.5*NAXIS2)/(0.5*NAXIS2) COMMENT / Pn(v) = Legendre Polynomial of degree n of v BKG1 = 29819.59 / BKG2 = -4.11 / BKG3 = -1.70 / BKG4 = -5.43 / BKG5 = -2.86 / BKG6 = -7.24 / BKG7 = -2.02 / END ݙmܯmۼ5mn:ꪛJfffeDD@m㻩:33*Uwwwwwi(333:333:3,Dկw>j*ꪝU]TS3339SrTuUUUUUUUIULLLNSfi53UlpbS333333333333333-LLLLLL$j"""""ffjffjqffjf {25SꦪqTs39SrvqUUU%U3U3U3U>wwwuSU9M]9Uw9U8ș3)LLLLLLL-ffffffLLLLO39YSLUgf2VVVVVVVVVVVVVVRk*rg*rg*rg*rg*rg*rg*rg*]ݬ*jf*jf*jf*jUL(9U3U3jjffjw"jfj}"DљTA RsSNU6ꩻwNLMLj}T01TRTDv#"" Kj33&jU;N4H95MDDDDDDDDDDD@nH,]qZ&gݩwCT?y H$%A1 %Hһ1 U14,K*Cf^!O Bm/ħn?]9ꪪuTtq9 ԺϪfe$*LЩsJs333331eONWpʜSSSSSSRA55555555555-TԴTsU54sSR$wwwwwwwwwwi̚MuUIMNi:3" +&MTIRlT]YSrSLAf9AhfLS榁i9*dH fTS JH3333333=g333333330-(DDDDDDDDDDDL3 $JB@RR o)*U9fؙJBvC1J( "RjgLuGӵezTV mwwwUUUwuU*AfjeϪrrUz ˧u$333337l@DDD@ʬU_Qfffffgjr+NVffgjrrM/^qZcD""""""""""""""""""""""WwvյwvӷdΉwYZM'i2*fLs2fd̩s3*d̹3Yft_DDDDDDF3734Ru34rU33?ڙʛ=ʜu35S9SF^MU)rTޱ0U]ڻwwwiզwvwjնjjlb8  EDP爰 A@w& DA@n) 2( VVPYK++(e DDDDDDDDDDDDDDDDDDDDDD ˻jһMۻm,:ffg333?fffffffffNSH@&UNUJYT*RYU32fg*VULTULS#*rfg*xdGݫWS1Q 32g'*pS0rgSYU3㩜*wmeTNA1ET)s.{"TilPK547REԆմ{, ;4WNU~NuwwwUMUS߮s33333$MKuwww&j]Ҫ^Dv b2S*fR$罟ywffffffffffffeniTҩG33333=r8weTʿ.۷v}$Rb v Db%S"TԴ@j$@ 1*s33wwwwwjڻwwnb""""""""""#ΙdRrU O{ݿDDw33333y]TI9SU55SITgɼsSTTB{і*dVMVVLNLљ̒@^M;mMU[ wsoWt1AL榁`54 0S4i4mvim]v@ffff{|fty/VJwnWw33333335f{?f^^f/fffffffffHugٙ?k̼y̛333333333333333333333333333333333333333333333330TКeHHBB"B)]Mj[IkWwww?ffffffgAAA DDDD̥2IJJU5!RLT%jQNݻNׁ Gf  )SH3'33IM&ZIH"2;IL̪55S5S3S3SU2*fҔHJfks5;SxsZjk2jjfd)P Eiåv߶c^cWm:vmUUU]wwu*T;R˿ӹDA.jJRjH TJ"7]_$S33333 L̀GDW\w0===fffffffffffffffffff{*jhRyɮЧK*Hffffffn2ezIVfffɪEvjgǙ=y/M_"" n"#}yw5EMKDSREMKDRU-9j `DDD1DA&" @M#9.-Ms3333333333333333333333*dLDDDDDF7އ3.d9s55*HnD!BiMHT2!R8'z{Ffw3y<ɩcAI@Njj33Ͻ5g\{bfVۊrMf׫\ڻMI[3FG}42k+SUeLNr2.U "$HwvݫwҫF'3?ܼeݥvn" @3@ sSRffM 4 i6mZMZm&iڲIݫI۵vڶ4jMIݫvjmz;VջLKffff{|f4+oײ=~˙j33333333?gUsٙbDb^b3#qfNf{k1ֿ{7H{do#FC e!9@ezmT )*d)L eJs2ϦfD vɡ9D`" " F6KM[-MR_{+vٕK_g5"j]wMTW_3.5LnARf72jM6K%A$Ӿ&i 6ۻ%5_IѾ{i;jӴ?Vf]z6 wXDD{0`=2RRHə32DR$ a Tq%NTTRM+3STBSS u54Oq)rnB3RATi0Q)B<ɚ]*ti;IڶviZzVVҴӓMҔ樁(kUYH3 jk(zN[,TPDIJ^zvIzM`ʧ,TӚMO5%U 5z5;*޿]̬/oX_[SS93ɠ5hV?;5=ٗOl5?Ƥ_G)rPry3VJ Ijq+g]z73C'{3K6egҩEl'!7љڕ5RRr9u33ڙx 3YJ^?ڪkԯy{?fw331o37eƻk&&jwکfVw3?7w{feITg%t~E)2ת:RkW{SU{eTFnE 27S%54'*gf{6f}^Ztjsiy'R9ɩ~?ʬj[UC.s Q˜s42r{z2Q,ր8<`*j=NNU{zyʼ6*N4'}u@gNKJw'eTjVo{MśY=nwwn-+B'9\3CC{Ӭ̗={ٟefffff?a)fr[x+Ng'gyc75o{z3O4ftItʟay3Bfb秸re续LgSk);ϦrsY&[jfyfwYf勩3y]595?Wf{w33yf/?)߿~~}?{3#33fgӝfffff{33ٙs7s7f{{uuٟ93̬333=fo3y;gs3y32fgo32s33k2.y܅0?9Lg-='s0TO0r}]UgGy*+>UyN/kMZ4MU#ө[C"ֺ{k^}rg{?yS# fC'٥w{||qj ?ޟca R^3hBu E#(@j -9fw5]T4g@ւ^Y{ Vk2{(IU,F)DS@ OH5%T&m: I" ސ$& )t5NrcҧҠSR)"U5F@*FL;SFUKU.cmI,)?M#SMU'N y3U5SQsM'J>ɮI4ÕDTTTLxɥJT&$LV>UJ@N$ ]LRWJ&dV5Hl`u&T )s)b^sRhS0^I$љT˩55FM<3T[= iS3+J1J}{HRٕReS_+ϏbPU4S_9S=T*x3ҚYBK.0L4Y05'&%4ԙ"iT`Ч+TjH$ST u;u8u" Թ) S5uSL:TQF["A*uTe?uA.`WjOB9MUU7.1uTYqU,SU4٢zG&g*KTM2Zf US &TGHDG`D@HF u0 S,k$ײ(5SES/?}ݫAWtߌ!-]ݦ۸UI;kA<ʐkeT1%̧*jeW]1.cڜg;E%ԩS:8 :AvhUfWmʪb:,K{TgsA"c#rJVp!d$a)UKUJBxhȧ"OD'7Jj9q>5nMˮ1U>JgFC(U{wW,J,BP.ON]PAU @&rR:jnEѼ_:CٚJbaǠ4(ijhOҪN}t]R̹{犒l.iiR2KeUTY]:i, dYݎfO;GmeU4D$.rE9JaօK?[ޖڶ-gkaD4p5FS5S٭̺66s]2%J~U6pM侳5BL)ٝM*k)X詹=.b#uw1]v1\+[N/kڶAVޛKOkMR"TU&wfjɈťsk,˼5z_+C"AS&u݉fΞo? &M{ؽ i xVHm7=ommG8Uiת Vzoygc0Ō׆rkYb)$sr!19~Q$IP=D^c8#㌷tp(iD_YKwq޵-cSR1i(5+zvv#c#L瀖: 9bT.}+nQKzz+;In}Dtvf]vIVZގw\g;U{CSU3UNqMUNjʣACWjjzgs_ʚ.w#59/&jj5R*sΨTcBk*:UUEMN*geUL%MS FzsSS5U<&fȩ &A` 0IȐ ( ta8*3+3nV]vc UyywRiT)j"EQSp255DDffffff[m7y-UCs35Rf)5e3Bj hV$ V'(?Lffffffffffffffo7o3u]ks g S&U>iTU.*SUVjjlPʩ4U'(:~.^T@fwG5Ǩ9Mjڴڻ]ݫVݤ]wiwڻMڶy3333=3YFf{Yr33232fgYxgd9]}߳=̬̞ef3Ugs3&rs'?̮̓R@"(0"وለ1ѽ;DŽn Q5Xb9gҐdLiC3lVz@:CAɠuD!2RC@PafH?'jHF%"gH @ 33)șS22ĥ+s2$OOˬmY,Y_bf SYj[5S/ U5TBDV٢Kx]+J8)r*ԃSJjQU,V9U3[B4Ь+&iW 4*f5'J}534!K"jT˪1NUBw5@lTɚnj&8Ӝr\MLПM ɬh.ʜ/a•nk&SD 55@T55TP3BfzSUFEn LP[w)<>y^/V 8iH-f2تUx@Y5UEu:[|]]iڴJv۷jNViնڶջM+mmjvI$ݴV6 m%EV35YSI]LJAR~̩ɩ:5Nj9_s4jMՍGZ>eWfgֳ3Fjgs3ꙙ9.Xf US9S5̮Kz߷SSBdѧ=99_ѩv>YɜUH܁ULU~}w3{5Y٤ejee̪o^;MIwjUsy[UFiOg+( [U.}21fLUWg&frg )IN\x=ku>ߪ{55S.T53uU9fST?Tb plHXghɀPDl6: u'3鍼2`Rp;pu5g ǕG }S4躗R"gyUMEWTܿəLVg2]܉3܊̄q8jtIT\}P])d ͩ/R4 T*f2jX]"̈u"co":.fpb}B|&hHfhUHL;;aArTg}dOە &h{^4Ts2Ԑ2$i "*_Wgṫ3;ʚ?N뮧~].c j{;w5 9jfU"HTqREvpI:PUҚr;Uˠks@~ɗmJ3NDs5%I4&MTJɝS'uJ.UKUpvfRS$QUSPL疫Ȧ&jLEM 4M ꫽2x%ԇTuHU2JR% 5(ϦULt萩ȠCiSRj$]5~EV)t\I .rLHn|!0UETiˢJsZ %"j&f"MT}PeU $Kt)1UI7e5UTXMU U5 C2MULAHG7(Ub9_(M&B ()@KH3-A_ꪨMLʚeMVY.$ SNhU'5Bh2Q-&FHji~MOT3SURE5!%,]rfFTHʐ*MT436X$*_BfWL@$M&i+}BȠ 34;nd̙n5nf34t W?HN\P&hAB ɦe 3)S$=Y4$IJf[OUrөTԪQPT J:EUJ&ҕF2}Ts4B t&f4*f3MSIfdDSD t$,R4S NjBjh絯QsRQU- 2VS.蚗(:2RMR4)T !Ԋ5.UP!jfBh`UJTiMLl7U2h#29H)LȚU3"0X"RuNZ4X i*PT%: hKMSBTCȳ^53.tQrLϪTUMUJ&MLɐi@IbK5RU(J ˣ_U,@6d:ؖꇒm:@pKRH(uR{2f3A Tʣ5&ZѪU3.iI)feUI֔T4ԉJREM*Uʕ3JjJELRSLFgt jLѥLr孚f\$KsNѐrd{tj ̉. 533FH*L d)!2ԩA4e9Ua=s2jeH)3YD- 2JTHBtS2F u35Q nɗ233R*fDT]IHR%'<.a u:i~J&T *Bt&j@dQNeLI26TWL؄*QQt%U5R&!*f4Zi4&V&jj5\ҠUM ^OjeU '$UUSR ^%P E fꦌ[U( L1j,\v"%)S"v Lٓ@RS.U h*kNhHA$8$PNN)44MS( B*E&ePT0iSNRFJtM!jahӓ.mіuPNED9I:3FJjT[r&p4얝Iu@IiBSF'ReN&H55UNRrq.T:.4ؙUTT2jiWSnd&1WS5M2(Q* તnUKTi:&RI8 I53AQiJ2b!LE TI fYK K'(Ak<&] A.M%5HftFfR&fS?"U\SkHhә.jjJ1D H ѓNy4t(JUIUR*UP G4ARɩS@s]ڤh&*L"\FFkuR媚ta+/T,JRjdUQJZ3fBUS,&3KЪj2])F1/Hy%TfxfIRM]+M7?_k;g93Sؗs+9q s:>*Z\BV8s3kw5v?pF^cgݯRs^OޝfW}j9w\ޫ<<E\1WoYc)F j_}kG{IV5;ˮjw|Q!?p};_9[;^U'#kuq::|Ӵ":*usftyXWQV{d!ZU\sZFΧY?9Yˇ? wo=,q8y۸螊}̯(޳^<4'uͽG>%{ܳլQ^W}FO!(5?)w W!m?f[Qr'ǨV,n֗\ՍzZO\d]KsXF 9~qw*⹆^}Z5UtӍv#]1(`rnROWIhgm\V_gseL,~*,ix@ju}@igUn7;AV) cwq qHjzlȎp`"ڤG4پ5G"AcKxJ#k:gq o+T GfȀ$7%IN9 C(`تm:UUUTdL̩*Tș٢Ijh3MUTjiUFS@ JDJD$)H%))AL$%*B HAO:UUUT32&DȔJ@BR JDM6Ktdt&2@$$@HHJ_~:UwU Uwwwwww333&fffTR2̇(JR%Lwwwwwwwwwwwwwwwwwwwwwwwwm$Ѣ4M[&tM7T٣NZv@ %)I) HJBTa .ڻi6wwwwwwvcN43WIP^S2%LR%/U333333333333kOIY`oմz##]{UmN U<1< " DA"b @Dj";G7Dn3=&#}dDo@x"?߷Nӻi;iy]onOёJ˫w@@H t4j2.wwx [RԹۙS  \affffffffffffbݩlK)h̗>Fe&B33.fY$$׮]ݩ̟33333333333333333333333=F#y 1""ATQ%$"0U2M5L uTjѣFU 4KTYIn?Wvj333ٙ=̜{7?s3wg3Yffgffffffdffffffffgw?ff{333yffff3y/3333333̼ٙ3=gf{?{~ffo2'yff"""7؈G{wg{s#=333ٙffffffKk?gs3qL DDwRLؑ(Ԡ$$ L, a$%LBBB`"QR Sj[A N@0DDb 0)6"333+wvm۹[[')ׇ4?B$Tjc/^Vޓm;v&ݷm%jiwmJIZv9>VVoǜ̌ٙ"v0GA t C@;{TP‘0aH$@0lt A3=w1G{>?;﹙o{;܌b9l7MWz^G#@";omn7޳FcwrYfs}ff5]?6=;5x UTEhOn߳p 9:CHS/~sNg7;s75w;w7+{w0-L4F$C3hTJsdC; 6fgr3=?ff{y9}bw3sWsY\sy} wǤ?ޗ#}ܾB?9JLoouWfVswuw7os33]g}.vVMݻi[wwIV^eۻӴO֭6M&մMI+I+Z]wwwwwv+WwvڻyӬ̬wnٟgk'̬ciސt{S]]Ċ*oPԬ VoOA+[Ywi602ɬ` ɂabdDV+c0Bd XR afffffffffffffffffffbwwv2A+3tsdNl9eJem II3Be(L&H ̂ (LT $&$'3$2 lT"g2T̰!2[%̢ZɟI wwnӻwwwwwwwwwwv333333333337fffffffffffffffffffffffffffffffffffffffffffffffffaDDA0LYr̚Χ5R :?*z`h6נ"z5-VJb?J]a-k )G 6X- B rCLHT@i9-[sRҤY" T4NIIiTl3V_9'Le% QswmZnդmj]I7vӴۻWjjջjݷw~#Dg{v3}v7FH+~"KzYdWe@T-FpI\(—zySN_5Vwt~I=ҋ{ѷXWI[uYkg#ciS̟= f<=ܺj%dr[8?iJkkh n,$dN4%nm>1C)Fljz1W|k^ܡtWR9SuE aK?r?sڪ@Lھ Β.Lr7?;ٓAӾr'cLt^޷;qwm^^j듽L=>M*nldt˛e {ne1r7G7E6Uޣ51rpFGDo#+Q׹sySwv;y{~|sEv92wjt_^C w!D)VLxֻ.{^1C\u.*>LΖnx.36 ֫<&b!l%7äw9Ѹ}ߙ$飳q^Orh2PgzZk|#qt >@<+Dv!~޷z&WN;_ybg>8f'K]k-뱾<9JO76^wKvu+iwluwB=`kFF7Vާz?\jgGQGXSk\ݿ/w۾[ub_i\~^;$_7?Z~{$D߯ϖ:לD:` AP*#oKuUNLșS33332&T3-DDQ,Ѫf&:,Ӫ5N:@A %@HS JRRHHJTꪛi 3"dL) J%)4-%MltmH  B@A!)˧I*ꪅU*S2&Q2)S"f\ʔJ%IDѣDD,j.m2IlѦB2 JR))RJL!*B -43E4)PJM2d2feHZ dK2̩ ;eN0ꛣ@2M0h%e-)5T $AI)H&Iː@H%'_6O隐Y߷u%*3CH*MRHfzMfx%/,kjH.RJ2)vַFo7o;{ԓDÕ-eOH2XDʗ&I"dmM;\~|w;v};<& #b.EY$hU6Q"(QfЪFbURfI:I"*Lqp" IcL bֶxw B%"A "dZ`N#Lɦ,jhHRJI%jXhJHI`%2C R$2HHR &dJHJJ[L$ 0iI>: & IyDvNI K ($l=hI -)A %"F% Jl d2 )HH(R@Рwfefcu̬wy4wLOGgmWjRHCeUDqFR޹}'!Ek̻M`k$Y0A-VKid%V Kզc!faCJf*D$~|¬f3fffffffffffffbM]ڜ͆)$s Tm3lZJga13Ms9SJg%3@[!2DdT̐3 fde $2%A,&dJ32 e"QlfQg&|Q!C dvvڻffffffgs33?=L DDA\fdfeI?fx4L׳1̄4 =̈́JbkL]( "fpiK-&m̐Қ`RJJ 4FkCZ`ICPjS,dMAR[ J9-% iMKdHsRКKRaIi*%5%$^Mlu+SO0۶wi$[Nڶ%vvU쩜Sk*p<֫[⵮樂ɹr)~]oݺOʼff_i=׶;^^껟3333?s33;gy3333f{+33=bw33fg32s33=dfVffoy_wo3y=;fefwy3ff;[d3/;=327wG;3yoj7;=܎ rv%XI @0+`~='togXB0xd=N /qP%Ft$"I% L,);)JNN)KL^'nE4KAV e$ӱWduz=#HRbh)4!@ЂM C@QFYz$ DI˽ggf;e1Ze!+" Z` ʒA *&n\DHmZku;yⵄG{ڽQ__;t]H߶Wѱ濷%ryvf{ҨowZ:馧\jʊ9i Ts \ϴ=lyD4d>G5d;W}ڍ *Sd{n[?ߴ\wVћ_|Z S iT>'x5sR~jk7?=s+ȟo ;'ݝ[KF7oWnTVZ@W;;ms/P޻O&у'.`L޺⡡Υz#]Ɛ[2';YGo Q{r _z"q{xޯfR~Vs3|܍Vpo[u wC\s.' ??=-.>7%zu!87.ֵ.,}rDntͼ0=F扯=j2:<GtmEӻ/`P9F0*[eI?z)F=)mB퀴Z9(BY:P=֚"c,pj6>4CuxhTy5?)CPU@ z.z XKbgamVܙTjx J`_MG[Ӂ)mG T|zzwrUfۅgY 9\%:yX~/0 &552C}Kq L@EcR@pWyP [;_P e;~l*[v3 @tFEmL ZN 2t=xf<~dK'1C?е Kyh3)KŞY|u#=n5|?²%w$]=)Kٱ@W60 2|HwqWkmϗ_v#y|u͝+Z 1pY|.'ďn ׽ݵƯsrk} ;ſJyԆ%æHbxNc.'c^/o=_J{?ώ~MƸ0DtodƷZ|{c^}ga.nx+ϻUvCP(5 bpj0gFVM ">Q~Sq]{Aw1ħav<|j q1R&W$u})[3qa8`$(yǎ bratEti{uݯ4Ň_ļ!W ~rtJGLJG` $a10O;2Ojdvc&<H>hNE&L Ɲ:@mMaY@ Uu3z72F$$ 85Yk :邂iq@x jڂ_!sM*Hȹ< 䀐ńǎ br0M_L #5]mmAPCD/%{R<,$>hX90А7<P?<M-APCۍc&)AG ` (3E<5N>^`c(yOt(HHa br0J`a48P>miKPTc*7T`CkpK,04&KkF:)+T K :0pb{Meoyncm;޸q?Z=0i2?3.x+@rN<_` ,RB]ې wXj`oϓ ,"3cn 8qt*AE/@ + jV]|Y0wцpc`핆Uaexh0It 2b""h#bN`Fl6cv _(c*Gl2݊gȻ F8"D./CUgWNC |w?R:pi}0͗R,4n돑ٿ^FaۦGtGV乃`}E2^Xa[:^r0M(`7V)Y ۉl_Ҿz7H/}+~V}կ‹g38;~o[+l%8xq0w}.k|Xp `b!x: M< 8\;(%`!I}P  Ϛ ,5h\dlj mfj[Õ_`;%Պ@.7qcܡA%ap z'v<*/@p[b}يaZ|26e~3>Ew^[/6ب8E0R_fue )s/F}R $a"j"w%X:_ IP:PMZI֨)u*_Fn[~2}u# XWĒ_+栒 cRtG ,x4rF y,vW"g+b؉Kϛ k_\iOp9hDAir+[F?ZybvUV` CVXn~Pfz{w? y&gqMDiM4iXou|a ?jOW ~r~I&Kw9S$L79\1}3 _fJ:?%moWñ/ , NwgAbftvyhR.ς/6|B=לGZmΏP6vHD(D~=ľ>  //鯞غFȔ(M枃oL18st,_>ǻeO@?@rLkiS|Ŵ6[|z(GuѸ ccADSanB$B = N S;ڙ>L>(/4z: N\sa!sFЃ ??lt?'щ>? ''^1smeCvBc׮ItPR8;7==^NX8nj'F=G:OGg@М~gzGQ?_3z%}z\Ǝpqc<L l3#-*PBc@j)b!QJ(]dJnAm1AQ )⦩,?l`A.oT v"{IlB)+v/gj_f?Sӡ˿|> v =Yc>P9ut {-cN[ahz˶}&J"foz&+.K0?#fe}.[mLXΥ :Ypc6~Uf{~)dH|. //r-%}ec{ԎMMYhiG.W$;Hdd\m3_^h_j' }N ̺d;4hAǁn`|lxb܆4ghGT ̓"''<ֺ#;?}͟fwQ:AY@8IB7@%w_ks˯N.h~@Td_!q!-?hW$Zɀ0YY`!|PQgl"F.iu/O6BXWW-br7cv h%TeXLNSڤ?h"#; =n:* 2;[1Ӽy=2f&&獣q&ZM(a#4d E88[:JE7y.N[2^/Fnhܿ ϡ}|ۈ$L{>R*tmbeJcWD⺃t:zOVxm?U?