EDP Sciences logo
Subscriber Authentication Point
Search
Menu
Home All issues Volume 590 (June 2016) A&A, 590 (2016) L3 Full HTML
Free Access
%PDF-1.4 %쏢 5 0 obj <> stream xUOO0 Jn'W.Pn4 ]X{H_{y|u=ë dR( %I'%Q.:a ;Ȓ)VS 'i8z.5SƺK*fI#X3 #i1S4,^\nnd3”c͛4O#IUb})ݍS;NS#>6 L9LşXBP> /Contents 5 0 R >> endobj 3 0 obj << /Type /Pages /Kids [ 4 0 R ] /Count 1 >> endobj 1 0 obj <> endobj 7 0 obj <>endobj 11 0 obj <> endobj 12 0 obj <> endobj 8 0 obj <>/Length 23630>>stream xT޷P Rw DT"; *(XqADb "E HQ\e)}$ 3<}qqM99$';9%':@' "Dt"N@D :A' "Dt"N@D :Rȗ/.@ @pNpNpY@|s_<^٬|!mb\/Cͳ01[̟?ZI3t-t0;*[Ri=l)Lkї~aEOWepQb_lK5{Erpڽ{# A)ns7=S_?`p/[ȴI0 U0)w~lOs'_{}Zf1Lڤr :/ : -:--:lEtcHIZt"MNDKNxo(|D@' N$HNDKN$kXD'RH~Ң ?:)   ҢҢfZD'<щE'Ҵ_DNd t¿0DDD Et"%iщ4:--:ὡ/ : -:--:lEtcHIZt"MNDKNxo(|D@' N$HNDKN$kXD'RH~Ң ?:)   ҢҢfZD'<щE'Ҵ_DNd t¿0DDD Et"%iщ4:--:ὡ/ : -:--:lEtcHIZt"MNDKNxo(|D@' N$HNDKN$kXD'RH~Ң ?:)   ҢҢfZD'<щE'Ҵ_DNd t¿0DDD Et"%iщ4:--:ὡ/ : -:--:lEtcHIZt"MNDKNxo(|D@' N$HNDKN$kXD'RH~Ң ?:)   ҢҢfZD'<щE'Ҵ_DNd t¿0DDD Et"%iщ4:--:ὡ/ : -:--:lEtcHIZt"MNDKNxo(|D@' N$HNDKN$kXD'RH~Ң ?:)   ҢҢfZD'<щE'Ҵ_DNd t¿0DDD Et"%iщ4:--:ὡ/ : -:--:lEtcHIZt"MNDKNxo(|D@' N$HNDKN$kXD'RH~Ң ?:)   ҢҢfZD'<щE'Ҵ_DNd t¿0DDD Et"%iщ4:--:ὡ/ : -:--:lEtcHIZt"MNDKNxo(|D@' N$HNDKN$kXD'RH~Ң ?:)   ҢҢfZD'<щE'Ҵ_DNd t¿0DDD Et"%iщ4:--:ὡ/ : -:--:lEtcHIZt"MNDKNxo(|D@' N$HNDKN$kXD'RH~Ң ?:)   ҢҢfZD'<щE'Ҵ_DNd t¿0DDD Et"%iщ4:--:ὡ/ : -:--:lEtcHIZt"MNDKNxo(|D@' N$HNDKN$kXD'RH~Ң ?:)   ҢҢfZD'<щE'Ҵ_DNd t¿0DDD Et"%iщ4:--:ὡ/ : -:--:lEtcHIZt"MNDKNxo(|D@' N$HNDKN$kXD'RH~Ң ?:)   ҢҢfZD'<щE'Ҵ_DNd t¿0DDD Et"%iщ4:--:ὡ/ : -:--:lEtcHIZt"MNDKNxo(|D@' N$HNDKN$kXD'RH~Ң ?:)   ҢҢfZD'<щE'Ҵ_DNd t¿0DDD Et"%iщ4:--:ὡ/ : -:--:lEtcHIZt"MNDKNxo(|D@' N$HNDKN$kXD'RH~Ң ?:)   ҢҢfZD'<щE'Ҵ_DNd t¿0DDD Et"%iщ4:--:ὡ/ : -:--:lEtcHIZt"MNDKNxo(|D@' N$HNDKN$kXD'RH~Ң ?:)   ҢҢfZD'<щE'Ҵ_DNd t¿0DDD Et"%iщ4:--:ὡ/ : -:--:lEtcHIZt"MNDKNxo(|D@' N$HNDKN$kXD'RH~Ң ?:)   ҢҢfZD'<щE'Ҵ_DNd t¿0DDD Et"%iщ4:--:ὡ/ : -:--:lEtcHIZt"MNDKNxo(|D@' N$HNDKN$kXD'RH~Ң ?:)   ҢҢfZD'<щE'Ҵ_DNd t¿0DDD Et"%iщ4:--:ὡ/ : -:--:lEtcHIZt"MNDKNxo(|D@' N$HNDKN$kXD'RH~Ң ?:)   ҢҢfZD'<щE'Ҵ_DNd t¿0DDD Et"%iщ4:--:ὡ/ : -:--:lEtcHIZt"MNDKNxo(|D@' N$HNDKN$kXD'RH~Ң ?:)   ҢҢfZD'<щE'Ҵ_DNd t¿0DDD Et"%iщ4:--:ὡ/ : -:--:lEtcHIZt"MNDKNxo(|D@' N$HNDKN$kXD'RH~Ң ?:YyEY~8.d?p:7'<}9;J@NHJ@*tW/ʽ%wrν%OG?c@-9o|ιZ&sNw< .roӚsf9<9;t"*^scS :wL)y\ޒ5Os-y:rNwDT~9ƒtj9S7Ƚ%OkΙɟ/[tщxr΍%O-2spop{K֜3?_ι9PKZ 2P@hIx\y f$Tdԃy f7hIrKŋN@V@=hIx\y f$Tdԃy f7hIrKŋN@V@=hIx\y f$Tdԃy f7hIrKś+ut"N@D :A' "Dt"N@D :A' "Dt"N@D :A' "Dt"N@D :A']?Xb…0-[lܸc)]f{5k VP غuw}z;vTPf͚|?̟?֭;+Ut)uQ-0d?)։]v,:4mڴN:an۶mu{aܾ};9 a-HQF;wP~7FꫯXY:n׮]֭<,N}q߾}ΗOi$sv8[n@!7sNekX#K~;.dVy]/gN- ~N]WT)]i!+EA'NT֩"_r%ŊۼytU6mڤJr͚5;#dy J*E:YuWPvuׅJjRȑ#;upcx㍿_{Nw0[ܰaõ^˗>|^&gΜ9SLq,Bc ~_!M=H" aR?os=W:տar{{aą>5\&܋ɒ%!W<2$̚fΜj馛t$ݏJw=+7… +<ׯWܦNz뭷zu*:CfyՉg W'޾}Sfٳg+W.x~Aƍɗ/$g+_GNeOQ=XpV: ~/ *{n=sΕ[C=d*6te˖"9s-Z4 +W#fݸU/H3ve5jTǎCE.EE]vZ"O?}]w" Bpb ʃժU? 4NQB>}TYA#KuB\B]~۶m!Cz8ꫯQƶmfΜK/mݺi')R/+UgqJ,)S{gyʩ/ vwiݺuvӂ o0*kzs,>1`Ç}w[jrs :vRJ釕-^ض-[ ne}HEOPºuTfs^.\Xb{TxggQG]vN8}ڬy8 3ctBu3<>o*.E<@^L+S-Ip۴i[oekSO5Oի_Æ M6=C2/TЗ_~)E .FU"Չ#Gگ*W|WTIu~.͟d[do5jcUٞ|ɪ?,X0as׮]>+QD@n tR/_^n+z輘CtB7r,h4bgh:!`:e6ϗ=u4bPE~x)2i$#3Ƅ*R[6ӯ*5jUP}Ι3 3w>3Έ_2D. 6ږn|gK.q)3*>@cK *um*sf0: -^SN=:vk0 CڜJ__7LM[ҫ~M#.,`([?˗w7j7o7s.J*:f$T-y1cbQ1#ŏ=jK^|x&I+ I"a n&%0j[չY޹(au9m=jN'Eg$؊#GWqB7;]Zv>'lQ;|sRzp5ט>~L>s>y I. .vUVXƍ.]p©S:mU(PDOzdgOZjeںjy0{l'ٙs;til^1zPpaaM0e˖5mujw7;3]q8:oj Bcwmm۶o7n.[Vݜ9N`{Ŋ]`&P?0QBg0}MO֭{d4j(xE:S߼Pj]^ݺL[ ?^.]8]o^~s\jfUI./ެY3UyM6>hg2`VjN$g1'Ьc*x8pN:g*H=Lw_~$2 {&MEmӉ#G$av\ "`0Ct"ˤMpZpW~+$ ;]t} sxBE ݻ pnZ۽<'sawݎoIo:u%\\t0U%"i9~5T2+W6Eu!v0eU3 v+ŒJ Į=%ۗ/ԩSax'y:aʇ~ ) *T(iUKbŊtM7-0?ot:TR5H`jժbV9*,@(Qy~v0zOza 3glҤ9SYu׮]͌I M{]LheF}!fV 2y:a7e 5p)~Bt"Eq#T.Lqc.uBתUJ۷o_t%K\tL6s4v{0àۯ\q=yg=v~\-Wĵ^k7 6t͕u] W5DƳzjs}4Ƶ:~{HĄC۷R%4݄/6= C۱cy';^^"NI|Ǐ|y'ٺv|W 6t>ǷdtAL:դ͒)!N$dW]u!onN4Lz'6mT*Ν; ]˺b;O^=G.͚5q7S:o"p|x Eў"5 G%>Ӻrc{4F;6c0C aG ~|NKM'IMfģ4([99s'4wmO)=;3f<2LEt"i/;oG,74*,L;vMO'ts9N NYdscO&QƲe߲5a0!Q|o"fEׯ_9iw&NY9ݯȳUiicK[,cÆ #7m<{X޽[gcEU`RWqժUglubd0Nl{dȑ;wv>'|iBO>L5~[أGDͅ\]e˖]vmCm۶Oc9I=.f:)f9tگ=jHJߠU3#7oV|yglCU `?SfX՞N:ҪǔŎ}!ľ]}Gwڥ;{IY2šn+=ܹS&~X̾ Gqü:{4rI+͛74iy&4?֭k>}NzV*3|4l0sr(\vH /4'|bСi :dsta_Y~Yϛ7O[h-ITPkݫޯn,VjY|(H ! |Bb 6:5jp U5_6S]D@ xm)i$ţ毺uc5#hU~ᅢɉ'~,O?uΌ<7!t"& ?>aEBƅ;Α] `l3ZE$PH:x`EΟ: Mg6dܯhѢvW{Uf|s( ͑Q֥\ZƔ LU#O>Un[Yʧ{@ǎ||DQN=TS!",$.a%FnjKLmɫ@44i+xº"管 fJUVoaͺIқoP˩c'bʮ UeҕB@siӦm#tbjT*U4E>`7`߼A13}<~f͚yi&f.ƺ9>fJ ϟ_V-ïs1G[̙3G6bI믿oL>ɒ%KdҭV=裏6y|K(r 膪أg m{DS׸OhDhk]@'TsDHt5N0!x,՘C,\~:Ve'ž¡\rW\iXy2<0$sb>`-X@W7ȅʯ2>O(JES5D0e˖]ffI8/N˪S'%ꫯ Uv Gr{Pr:dT"x "`h4c;|rYIp3l&D̄t=<*p[ӧ.\gG}'YH$?7>1L)w zM͑HNrZi;ʗ_~9gnuy! }v!bŊCM8kL։*y衇͛h':@Ȃr^I~pCO.]d}yihQ0%뮻|BJ޽ĉ2wyJ ѝ;2dyk(Siut mi{{}<=KV'*o1 (X`>wh۶m%FoBƄwq5s=WO'tӽtqf~nթSǴV^ZlYGZtBb&(:!aڹsgkԨa&M4(r/3S~6m( =DžvpԨQE$%l,g;46.租~zgTw7;0 7pC8ܹNv)$S[o5z _^GL29_>(g +l۶moE9^Oرe]>΍ hy\'su9~e,)+bAO^zyRuSO=uHͼVt$ ofF<ق4Ew~!/^x 5i$ܣ.ϸqիW*7Ӿ}{3YxT{Ϙ1c„ ׭[wGmܸqvnˉ?~︨4`AŻ׭ڳgpB IPP0qn'NaHMrի;oT̝;^@t+bP];JJuhZt$V\vZ01J:ձRJ7P@UbE0˰H"Uvg:#?v+\fpUɓ'T!K.ܤ%-[<-sʔ)vxYgi :uSו*UJ`JX.Pܢϊ[N8]Ѣ g*nMwy|1"ĥ^*USpz%C/{߾}͠ ~v؞={v-L۳O?Ԍ BZ4c~g r!%ofC6@9sf|[ŋEuubo$-[t`ZjFT;vu3(QĜ9sڙܹS8o}ha(_^&V^}i٣bxrO4s4{A? ,8yd9l %U:qUWy BW^>d`u]gFyr?={;d!CG9^SN9%a>?5*$ȭk׮5k̙3ۍ9oy J.ݰaƍwԩlٲr*'|f͚;w+VjժZԩS'֯_?z7|ܼysʗ/_~}I%\<%t"N@D :A' "Dt"N@D :A' "Dt"N@D :A' "Dt"N@D :A' "Dt"N@D :A' "Dt"N@D :2V|>#֭{pn ?SN9o9H7d/Æ >|ТE+UH:d/vdkvС*:̛7oƌ磎:k׮!pN@Nbߝ˗_vmȄjp@'BN@҉^xN:I@vک.}"EmРA:=t/8by!Njp@'BN@N :KЉgW޴iSrW~Yg{I+V[xժUk޼yժU#l}͚5?w&c?K,Yt zꩅ [;wN4i*+VXRf͚)yƣ{Ќ3,XoݺD\pH .5kֆ 6o޼o߾2eTPs W_}_nA?]1*U*eHt,щy)3Ҁ*Uرcx յ~Gy$^*ƌJ?ҲeAFg޽~9|~,XPŸ{1bן?pO>}N:$-}stgTzv駟~MeГO>ٴiӤJm۶kV\AֳgnA;⹂/bMFvZd~Չ'j]qƀu8∗^zsΑub;vO/_wYW^yE_YVw}HubΝG0[N[Kn ^V'zo$LXtizrI$!}ٲe)T[ogMڌ3Zhcǎ?)w/ƍW_E ~?cƌСC:*Da2t(Y|bϰN]K.~dd/٩~3<|nݺuF5VPaŊ  k.r.]^{IO\DcǎF (:묋.HYծ]xEYz?t{~S?m۶*=WMJ㎋/J* X~G}Ο?_-V\`Bې:Q^+XN/\E^xn#%(Q"K.N:e .+CS\L2vBe˖dcĈΗmU*MKKtv6X'~SO=եUg}J~9H)u/_L떍N@N@:W^ΝU/wm߾}J׿u%''XBW+p S!:{UܣGAJTKM0,^zÇ3|=p@)_jˤRZ?kMzŠe˖g[oEY֗KVv}ժU #ҥˁ#^'$ 0oPgǷo,W;W;w)R$L_}k,*xm׮2:,6m>*X_񍂒҉>[źuW{ng1 (ߵkN 68C,~JKNL8/6ڋiӦmx>O Śwq;\m t-%?kԨrJgUV 7~ޡC1cxvUW= Z`AZݾ}{ڵ7N(P@?iݺu_z%smvQGů/v,>\;m,GN83-~t\3g:@' {NPܿx'{͢BopR={>ʕ+8@a_s5Uzʺ{ŋ ;o8<sY 7|3;wOz֬Y7_MJc4klҤI -FݩS's%l2*:/ WN@:ѫW=s;W8?{Ǹ?_йdɒu\kc͚5*U2ubΜ95 |ƍV+µΊ+oRJbUV վ;3!:n̖3i5O0ŋ۷åN$a_~Y_>%_~9ٳӮ]:vh,YRvmW7mt1DŽn:!U3v"E ^xot`dX'-ZL7l0ǐVhժ|O<@N@#;M>=lͳf:s$ɪUgܹS!$DAի37|ggq;'t>WPa͚5!s r[ɼFr$s{Plٳ\ٹsgg@XLz<:QZ+V8SOࠀN@:;<<(9*3FS=[a^xnݺ+z}w!sڵ/sy'Box'. ^{=˴DѢEo|[ :KvDp${Qx^|GibԸqYfMnsY'6$ DNQP!C=#Q =31jiӦiӦ%K,^x%>h3]Ν;.~ypQ z):qL:5dQȰNر#4{~ ;@' {A'\l޼f͚xG7Ec@mٲW7|?|>-Z\T=[Eu}Ǐw>tIoFbwOkc… I{c=<4 ^ : O[>pwԉ~IAY|gn9+ VXl3W_}u`*XlׇLfgx>}ńd3d/kʕ+a=gKpo߾5kb>:&SO=/ Y\wuÆ 3׉={,YҌ*9sf0dȐ믿\`A!!avvʔ)p ttµ 'xb糢y3VL1ӧ=v! 7?7׉ŤIv& ɸq_`۶mŊ 0w;;JZhQR3dd/k͛+bv>רQC1=իW|[lӉ׬Ysǎ΢3fx≞9o޼s1bpPtBb΢"sVZ5LJ[`]}̙vêB,H.d[l;vaK%uwwſO=gnV:xS _xᅶmۺVQk,Y˙w?(:i)ԻwoXBc6n8aڑ'|Zj={+k.gEoxʹaÆ .4(Fdwť&ɔ)SoĚ5kjժsNM[fMͦMcm۶Mgq=-]N۷suu?87o^jUk׮:upqF; UV~&^zbnGq֭[ɓ'[˖-Nбc1cƘʕ+kNr1ǘ>J*պuh;xbMҥ6mT^|d㏟{E*_ťؽ{wdNr&Q~衇o*ƭQFB֭[ UJ*͞=Zjf*a.j,% }ƍg?hѢ͚5׿[l/}id#7nܴiNmTRu9:묆 &ۣFbjժ]烹uNxY{}~v\X1J*5nX,<DA<0aS2 zfqݺuʕ;:Ie˖O>t nҤ'|rPKt+US/ҩSoƍwet_#Ftڵ[n~]'OܣGEo8ٳg(P S,"ׯ_,gن ֬YF ܼyO>YthѢͳC tщ+Wn„  tK޽z0k˗]vO?t ONgʕSN2eʧ~nݺݻw-P@ 6mڥKN:`t"N@D :A' "Dt"N@D :A' "Dt"N@D :A' "Dt"N@D :A' "Dt"N@D :A' "DI endstream endobj 13 0 obj <> endobj 15 0 obj <>stream x]1n0 EwB7e2Z%C 森6+G /t]2K؞$5梚\ i(>ߨ4|1NX#Jjj[?odqIOk+mQHh1^=^gt0:1-#NṆGƃ(@3:/:9u rQ+Mҕ8%(k- _Gy3 endstream endobj 9 0 obj <> endobj 10 0 obj <> endobj 14 0 obj <>stream xX{\ն_~{ޏ 3 (4/&SQT,E+CWa2 LWz$&]sȬEsk^k ei~Zj&͜;|dpe,Eas}dD}qC gM/o""bD05hf*'̞n~eB(fz|vJXHc$zm;\4Nb l dS.5 {h,`YZ 8yooKvxb؏_b8X_? UP $RT@6SDͬ&pAY5 u+-%3BL7A 3z'^3B {3*,%ιPi8^"c >W~YU]`>Tޛ5BtWRuwQ9rv#M G5 4JTuAvFi3a}. h;ZY>O:WuwЌ! +58i5\FAG| '{ޙ;g]CNy3gͧze?<;uldO}LjݻNS#TG=ށY{;sƛ竔G\(,dNoA* t~QYko-M5^׫o_ R_Uck &ˁaxY_ťjD/Mċ6Y9??Ƴ?㟖;%r'(Q4~ }xꤛxҍ]W|;GG <(6l,F }p_MߛĽMF5z UZpY;| J,%ncZ~j 0HS-&^#p 7?7s\$nRY>#pcoXm hC5>?OYmILzǫ* ?u׮ \WoUF^UF BER>\ib܆ \*0%K.Y 4K}E&|Ā .hÒ6߆ڰX`> cL^SP,g !p@oi&xL6)m8ـ ${a'2O8~L/0Lj8nxw K#c1a8ee;8\Ro~G;ŀlCPlC8xtZq 8h߁2F 3o3rیffL3bzGzLcU)vd;&%xÞ>#iEz[1􌳣cM* eB0F`tF HD QTpZNa4.Fچhh6s@6QAA@M :PS2 dN$* | z#SVrX\y E\k)kBT$MK%ҚZZo5=g eh//D5Sπ0 R/BP 22ޚ;&LimjZԭ鎙X*Kyl<ӗas 6FTmd]ź,)cpQS=5v}+h\Z胑lVNcYsbzFzU1<ҵM~="+=P>!H[ :,;m^[|d8Cr#_;8aؘ]X:j^|B[/vTB6YJЛt0#cz i__2B=@Eο8Tut>rJWmrc( #K[vE~8Xh˦C.88^%2myc֛i*gbs^(Y Bםeg@Ȁ k`2H!hQc??ÉްkM;sC =)Soi4:ЍˆljT{ržS-K;ĎNRc+d܅39YD ~p90l,Ɖnabl{莕k(wVPqIn16Z u?"I'n}]ZBJ<+[D6N dG1c14H?08d%HI$cJX#͙NM$%$ʍr]@4MhF ZQHh]Ĵ%/M.K^L#ȭc9/4BQ tkƽf G`tx?;}ZI9 lvraJO8c~'1r_˃iX?0tQT5SrH.I6ЁZ=[kF ZY#zԖFV pJTtT-TT!$բCBDS+ѣJNg͙>ir)t?^?!t-7C!T+H[]i x˗;`w+C/\hN !z/(8|_mffiCl[2c-E endstream endobj 16 0 obj <>stream 2016-05-02T17:16:00+01:00 2016-05-02T17:16:00+01:00 cairo 1.14.2 (http://cairographics.org) Untitled endstream endobj 2 0 obj <>endobj xref 0 17 0000000000 65535 f 0000000640 00000 n 0000031396 00000 n 0000000581 00000 n 0000000406 00000 n 0000000015 00000 n 0000000387 00000 n 0000000705 00000 n 0000000806 00000 n 0000024996 00000 n 0000025358 00000 n 0000000746 00000 n 0000000776 00000 n 0000024658 00000 n 0000025575 00000 n 0000024688 00000 n 0000029954 00000 n trailer << /Size 17 /Root 1 0 R /Info 2 0 R /ID [<0709AD68B6E20542CF3207A5C08F3EF0><0709AD68B6E20542CF3207A5C08F3EF0>] >> startxref 31571 %%EOF

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.