EDP Sciences logo
Subscriber Authentication Point
Search
Menu
Home All issues Volume 625 (May 2019) A&A, 625 (2019) A65 Full HTML
Free Access
%PDF-1.6 % 4 0 obj <> endobj xref 4 65 0000000016 00000 n 0000001832 00000 n 0000001892 00000 n 0000002115 00000 n 0000002237 00000 n 0000002377 00000 n 0000002797 00000 n 0000003055 00000 n 0000003492 00000 n 0000003648 00000 n 0000003840 00000 n 0000004885 00000 n 0000005165 00000 n 0000005347 00000 n 0000005661 00000 n 0000005986 00000 n 0000006379 00000 n 0000006725 00000 n 0000006953 00000 n 0000007354 00000 n 0000007613 00000 n 0000007698 00000 n 0000008017 00000 n 0000008316 00000 n 0000008639 00000 n 0000008986 00000 n 0000009448 00000 n 0000009817 00000 n 0000010197 00000 n 0000010666 00000 n 0000011025 00000 n 0000011360 00000 n 0000011739 00000 n 0000012054 00000 n 0000012680 00000 n 0000013031 00000 n 0000013333 00000 n 0000013694 00000 n 0000013915 00000 n 0000014403 00000 n 0000014756 00000 n 0000015048 00000 n 0000015454 00000 n 0000015787 00000 n 0000016201 00000 n 0000016461 00000 n 0000016785 00000 n 0000017085 00000 n 0000017471 00000 n 0000017675 00000 n 0000018065 00000 n 0000018224 00000 n 0000018570 00000 n 0000018752 00000 n 0000018966 00000 n 0000019326 00000 n 0000019623 00000 n 0000020091 00000 n 0000020554 00000 n 0000020749 00000 n 0000021792 00000 n 0000021813 00000 n 0000022091 00000 n 0000026245 00000 n 0000001596 00000 n trailer <<4258E9C092DC7C4EB5ED8AA9B2173787>]>> startxref 0 %%EOF 68 0 obj <>stream xb``c```XLijbQ^IwV`p8$0Ƃt8AQ3Tr9ixj@=ݭ[::l 0P$˙#4#wzG, endstream endobj 5 0 obj <> endobj 6 0 obj <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/Type/Page>> endobj 7 0 obj <>stream H*2PHbw.C 4T060b#s=c K\.}\CC|@.ޕ endstream endobj 8 0 obj <> endobj 9 0 obj <>stream x5QK0 @!&9O'93b-rFDg4-fSJlnyGh?Gt]uGa"1- ~+|!Z*n. x@IxAI}X9QDX~9Uz{YZ EvxWK NlRSdeݛÐT{Bc] 5#:\\ 2ӄr XDŀVmdEz%;nx6DmDwx9**!3'Ր+!4^wS2K=0lwH endstream endobj 10 0 obj <>stream xMK!b[WRxu͜XiȞZȞm%GɰCmRm'^{ v*&DbmIGq[t|L.U endstream endobj 11 0 obj <>stream x5Kr! C*y*y̦`Kr%lo>Es{+\Bh`0߻ z.3$:G_zz/!?K?4:)׆|JB^|8Rq[PM){W*R_4F쎚6fg)ՀYyFjd$tkضd1+[azG\$:NOonm~gi[]lATļL9UdKs{_RQvL$8h"EWe;hͪ#UXsqyCXDZ/R-t2-5t wXqF_Ou= endstream endobj 12 0 obj <>stream x232T022P233r 3$`% endstream endobj 13 0 obj <> endobj 14 0 obj [250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 333 408 500 500 747 778 180 333 333 500 685 250 333 250 278 500 500 500 500 500 500 500 500 500 500 278 278 685 685 685 444 921 722 667 667 722 611 556 722 722 333 373 722 611 889 722 722 557 722 667 556 611 722 722 944 722 722 612 333 278 333 469 500 333 444 500 444 500 444 333 500 500 278 278 500 278 778 500 500 500 500 333 389 278 500 500 722 500 500 444 480 200 480 541 250 500 250 333 434 444 1000 500 500 333 1109 556 333 889 250 612 250 250 333 333 444 444 523 500 1000 333 980 389 333 722 250 444 722 250 330 500 500 500 500 200 500 333 760 276 500 600 333 760 333 400 685 300 300 333 500 592 250 333 300 310 500 750 750 750 444 722 722 722 722 722 722 889 667 611 611 611 611 333 333 333 333 722 722 722 722 722 722 722 640 722 722 722 722 722 722 556 500 444 444 444 444 444 444 667 444 444 444 444 444 278 278 278 278 500 500 500 500 500 500 500 564 500 500 500 500 500 500 500 500] endobj 15 0 obj <>stream xEPK s yVoǡFB؄|:8ueOD:؊v|rUwBSipTHlL:veU܃0܍{lPbX#@tѡo bg4%k0(ՊG@iD|(u-5QB>6eA$YV(!*Z6bY =9B5_=mV;`[+vL> endstream endobj 16 0 obj <>stream xEα 0О)nH>c>stream x5m0 D廒 qӦkYƌo\dmRrU4D]wtPIF.;ۮk^|_n n䖜()Kψ^,QY%g$*d$Hݍl2ӭ^lmg}f_YtK؂hiWV~3h3K:OMfrSQ=F޼EZ;79YSD}7vzĽ3g,X endstream endobj 18 0 obj <>stream x5;r@Dsfγ.GS7W4 ,T(T~jL=tRYGlGIsE%J^s辌:M& 3s2Jn_13}N3|?nYg2&f_2g-\N)gk{i3=jѐ r.MyXRvCOO#O'k7xִxh_މ\ '戛y:)g(BP6yÿʜbR endstream endobj 19 0 obj <>stream x5RKr0\3muJ￭DEFr ˗,=ҫ.Ҩ߇E}" fƒ.-3$tK/V\T)?|SSAUcpqI?9!r8s5]eP+r0|sڹa;؛)rڑ(Op_H+M4zSZ6 8md`9fP{ bj}-| endstream endobj 20 0 obj <>stream xURAr1+x`{ik%ɴHE D!U._v\m໛Ě[bO ו:%,k0(6,!tx, IP|Qa^QNV-d`hp5waMf,:It ׀T *WGޣ}TI9sje*ܔau^}ر !Ό(جX]_qBX<#alJh;g6s摼ο羾t q2 endstream endobj 21 0 obj <>stream x5P0wP>t}WB |L"OE'ޣ@1&t"8 x >DdkIAM8A#s­116P. G MUiePٽ!P٦H ؂e [s_56 endstream endobj 22 0 obj <>stream xMRKv1)8I_Wyi @n3Y⎿6*/\a =QA؜t>b{B.,!kCԐV)hi۩\%0)P{ỡE@q΄ݜ%T*jU$ ,d9Pi6l)]C-{]hUh0/c`IlXmle)4b}9^ТnЍ%`A&l}c#sR[ԗ}Wa7DUp(6dk gҜq29 ܄y6۱;1_ܥLkM^rn~ۄ& endstream endobj 23 0 obj <>stream xMPq@1=F0`3˥zٿpr4H$1AS:4|p4v|)KFlxF- {w$ #9qf5$wt$j6o7MjZvm=$]m=pz`%CQM"6Os wB endstream endobj 24 0 obj <>stream x325P@C.K endstream endobj 25 0 obj <>stream xMQA0~B !՞:MHUp dt1&n+W7LA4ZDb ĞH+0&lmgSJBclٗC6lw̠Qrtx=֫?PG357F[2(Yꩭ~`*.y:{3q `G 5IPRv՜7 X`dF`[[Qf #d~TPqMLԚܽݫŒ_ endstream endobj 26 0 obj <>stream x=Qm0 g .P~<)ZN  -Y"/ȑ륿"p!q:>W@4Y'Q9eW* Arpj#0 VdOXb*@%(UFrd^=][tw.hV'F2E0n Nğ<*4Fvz&Zslk~^|W endstream endobj 27 0 obj <>stream x5q0廒2#R=6Xb[fCԥΑo]LU~'3Ehm9&J/#stⳬ|2=x(3Yx6: 8Y/gz)p`Icy C]$?sK;GMKd|퉠>%*oJjbYqEA ha{\3=ů1SBл0~ *̀Ě~>\ endstream endobj 28 0 obj <>stream x5QK0:ӾoG82"scA9Gk.UDAۡ 5^* , ry+7BjoB ˃&1)(`4# gIȣAVȉs 9l!v"*^BdMn%̈D9z!8+ zAm9mmdm353Gi!>ifFG ެYM9yǞ;FJt,bZ&T8 +\|Q׍Vqkd endstream endobj 29 0 obj <>stream x=Kn&! } _ ~(hV`\T,Y._Wv}D}"bn^IO咹2u5Xߏ~w'D'֡Uwu+Zb+{D^w1# XX5s"T'Žэxoд9k`#Xe&6+*)=[e;iȱΞؼ^ ._+wvu`g{͇چ: ljqy'=/{I*ŝӄ i("{ }_P!aD_{Pg l6cZ0bRqqF|jٮޑvؒQ4@S& ;d0|O9XUP9J7Za@f!.x^/Z'y~ǒ endstream endobj 30 0 obj <>stream xERIn0 @3EO%`frK%.v}2侺S:ΖvD_{]m-ueR]ODo4bJX3^EO3Z[vH2A CkE`t#ma˜EDp݁l(T)qm;"uC+laB8 dtR,*> jT JM {ɜJƁ=!mƳ@WxFOaߨmtu6(>~ѫ\6kxyNqq endstream endobj 31 0 obj <>stream xMM09E]IiV=NA5 ㎅?Y8[_~^YmdT2jSI O_ZI꾶Q+@"lC]1[Vщ $v6DmI;NA6rk1SWǿj6ꓫ7W-H^3è'"{9qxbMMe;g#SӘ}0Gj1KXO\V}ox"1{l~V|(؋;h,VG eax endstream endobj 32 0 obj <>stream x5RK0\`<=5o D,-DD-a-'zq ;&bRcM} qg44E nh,P,_Fbwp:8b5\fGEĐ*%tԥJXO3u"ݼQHǷ c0'`&:ocLz {vN&"\'ǐZ\B` s]nD砛! d;4.|ؖHffwh{WKtpf83qrv'; ];>ś7ς[3[6nxֳ74oP ĝ@ v,zCRoфAj;(*`F+lj<~ endstream endobj 33 0 obj <>stream x=QKr0vn7u|s=q{0zK5NiLWۧS1kqfffg ?^߿l| endstream endobj 34 0 obj <>stream x5In1D>dc<esm(1U8"d-j9[#R~G%5|⤗7yݔai3=C-e5]AdgEuJbuε˴ڔ~da endstream endobj 35 0 obj <>stream x5Q;rD1)@f}&@kýI5sp2hN5@fc 7Dn"P҃95 `/h1n)T0ýXÕۍ!}"kt:vB>?-wh endstream endobj 36 0 obj <>stream x-q1D\%>(ui7T LD[s$,$_1Kt|G'u|W5r^C@u$,#&zF6&Τ2jSS4`n!'rp(I6%'ob<*uOTEp mE2jw7"ULj^ ^ގ>8`1G(2 'r:@G$kCVo endstream endobj 37 0 obj <>stream x5K$1Dy _ %<5OIm `z^r?ȍ{sZӲalG{nɭlyN [ "D&xIE[lN>'t'81neA5yܬMu(k1/X{m^꿼M$u->sAs:C\)z_m1;LU95w5y$ 2oo4V\<|;tơ D|mEU.ňGbB<٬٫٪vnrg}2G5q:@4#)Y1ILiᔰ>stream x-R; 9<7UfD"A,fb:x|6jJ;&S# 2gr(k@X;qWVLs|ejB*NvZ-:f?`UǐTA9vU>zw&E ۝Sa$C6%oJgXug6 d BPyqso\lF*w@qPEa߹ ? >$ Ԫ8L`l{ endstream endobj 39 0 obj <>stream x=P;0} 0<ٷU R 'xXL3C`MtCw`Ip3Qv9Qnz#}r5hYF_$S2Bƙjt.lğ7}S1)ұ)rj'UG<lgɧYux]E«܂s0n$3 Ef}Dzih!_}uX/ww&ffi|+JQW endstream endobj 40 0 obj <>stream xMm! [K6g7Fx?5k6 `+.>dDȘfu@Oie#9* |Ahetrq}Ew=±Q}J0QZuvlnmbE7b(\}t ެ(h|YU9kuGHbl m=3 bF`7rTui3N6#А6}(P>H`qR\JIf6H(?TS%wK|_Cox endstream endobj 41 0 obj <>stream x-O1 `\$צonf>stream x=S;v1$/m$fcખ%; \%OD_;H:dRQKL[Rhѓ#3KDX:NX34D&FXS)2"YA"B^ozfG?7-YG'gu-aD`oLf #MY<EmR\=Rf4㕍^P9 endstream endobj 43 0 obj <>stream x5Ru0 5Gc64$]bO*?6HU~[@B]lIO nTY`Z&Cj|^K$'5D.U%>stream x5Q11|f,6~ޤHlRIHxa߱r %{7Âe˱mWi @Z)/T \݃gŮ=GலneՆ|f#=GCy(5E6Yr(fRna6euR^ 7uPUiE2|o\3(+F1." 1QO endstream endobj 45 0 obj <>stream xMRKr0\ 3yJ&$2{nӮecwۗ7ic)i`1QndqIfaZg[7DU-&Ӯcs]ˢoSOm_T,$dl~ioSuG0T -6$ n+38VSz"ĕ|,@Y; k_YN HF / K(6{,hۮ]yN >]7EN,FQdcgZΈܢ .b-DzzOAE?JКʸs-B,A.c{ 2 endstream endobj 46 0 obj <>stream x5QKv1| >stream x-q1 CsUnFWyOd$X:Ʊo>ewk1En8iҧznYn>}ܓm-lbEj} wnhfd}0 Z>stream x=0 C{Mr'RH8*ٿ (9)l>stream xMKn0 C>/0,'ŬoK9ERYsbu9kKF!pMRanx%ax- v4/qȁzl9VVuA!@F ձS,G~\+:wZ39#8q:B$$]$eC5x(QFw%(E%9Szt>! vc>*qEimVZ%'G2z%QIDe,^R?ҷW{^ endstream endobj 50 0 obj <>stream xMKn0 C9/0'bV}1@hJI&PΩM?v}A\9 O_{~]O:R1Xr$&cWL^)%ٲ:w٤p6E Z*f>stream xMKn! Dh?h8DYu3t,z\PeS\n%ʗ?sPtyZu>_9.1%av0NIk8e݊Dжb|^  U`. Bľ)3|֛>`z1o5ӖdͲ(YԨJɺ9{7w)YFxkn&jf^%[ Uv(Τ]90l=m03h/ٌ¦mV3`zBX@;j^'ONJPa6&ȮD!۷a m}Upy endstream endobj 52 0 obj <>stream xM;1D{N1G0 sRmVJc6px*'>yuKQnhl68}&x +el%V{ˤts\D60+Rd >2v, endstream endobj 53 0 obj <>stream x%q1 C xFJ>stream xM0C{O \ɥoA$$Ab?:)I VI3 ]O+peͩj4U5[Ib=s;y! endstream endobj 55 0 obj <>stream x5PKn1)|J1$yUw'lZX O I5)@x=A6BkntcmԂkX}F55zWNU' q* ד j퀨0٨v{uY=p""{R(es2])DN"R YC"Yc_fwKYuUBVR&ƗĶ&AP3B뭜v̬JmKuf㔂nȫvylVn=޴M>B^g endstream endobj 56 0 obj <>stream xEα C1О)nH>0ĞGۀT<334XǃP(=]GRT! HpF!F߳ V'RtE-3%/s% endstream endobj 57 0 obj <>stream x=A0yCh{S뚴Z)#" 3Hzp7rIKtၳu;0&:][r16ɻTS\BT1׋Vi;cQK2q*cǽ+κNc{n&0 endstream endobj 58 0 obj <>stream x=RIr! }` gR9uĤrj%[axY cƗ4:g٨0bՍa|) KC3 A,T#c$k ?)!ӍmX]_`Cю$NoGYɬlE,y-4쐲QTgn#ycݓŜ<٭&JZ|P4M-0oVh endstream endobj 59 0 obj <>stream x5Qq0 5FWyT~KaISk6~t U/|Wԟu;. JDâa'pVFVɯBhu*d)X C8#=36?"eITtH]8#Eh$!iS BHa0"ayŞt𒳇8#h({MJ1NƳ~P endstream endobj 60 0 obj <> endobj 61 0 obj <>/Type/Font/CharProcs 60 0 R>> endobj 62 0 obj <> endobj 63 0 obj [250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 333 420 501 500 755 778 214 333 333 500 675 250 333 250 278 500 500 500 500 500 500 500 500 500 500 333 333 675 675 675 500 920 611 611 667 722 611 611 722 722 333 444 667 556 833 667 722 611 722 611 500 556 722 611 833 611 556 556 389 278 389 422 500 333 501 500 444 500 444 278 500 500 278 278 444 278 722 500 500 504 500 389 389 278 500 444 667 444 444 389 400 275 400 541 250 500 250 333 472 556 889 500 500 333 1117 500 333 944 250 556 250 250 333 333 556 556 523 500 889 333 980 389 333 667 250 389 556 250 389 500 500 500 500 275 500 333 760 276 500 675 333 760 333 400 675 300 300 333 500 559 250 333 300 310 500 750 750 750 500 611 611 611 611 611 611 889 667 611 611 611 611 333 333 333 333 722 667 722 722 722 722 722 675 722 722 722 722 722 556 611 500 501 501 501 501 501 501 667 444 444 444 444 444 278 278 278 278 500 500 500 500 500 500 500 675 500 500 500 500 500 444 500 444] endobj 64 0 obj <<>> endobj 65 0 obj <>/Type/Font/CharProcs 64 0 R>> endobj 66 0 obj <>/Resources<>/Shading<<>>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]/ExtGState<>/A2<>>>/Pattern<<>>>>/Type/XObject/BBox[0 0 249.12 187.2]/PTEX.FileName(U:/EDP/NLM/AA/aa35222/Author/fig_aco.pdf)/FormType 1>>stream x[r}GA#NJKSNʚ(-%R>13@;KK+X"wb@__ z|1:~7~?z|/wi/KdVW/x `F1@i˻N;Y| 0䁌SRdj“bO HVSZKzux3^۠hi-69"#g? c~>^ vr>NM.G#MByO$JyyT U[Ey?>s~|&eS)c%j<6kۘO& ?oO4 hWgm4ohn?`= =Dj.K,:в_R*pJ㍓" UފnyM VpU^ny=MuH`+OQ%m"x Mf"M*+[W-V Peh$qksbr HpWxmBL. CQpWHrxM - ]і[=\R;]!]Ў[7\ 9㒰wEX&;,אּwE[nw!bIy(U$+rKFz#]@-; kh-(|9*@,CN y; wQd2 ?+w$wA;nw"9/`ptP9IӠ>huOR\X`9lm>mJ_!>͒ E\tlU.) .(1)gpBIjoWm Ǵ,]EՎ%2sSl,7I1061*1s"CE,KFy<*u5#$=XUqdYٍDt%cnGkDQSH@ɆH}eOVDtDO!haHyDEp{A&oHn YB=U&BPco1NC)C: 1ϋ_4ʨD9"6osS$( 6O.ΰB4 ]g%tDqL?\a@Fb"ƻWkyz<]p*ML!9mݻQ9y"YqNWe< K6\Ο>~4Qsgv.R OƻJ* D#oo"8Z+ۜ,͆.[oh"[G ڮQ*Tlq15ѣK~v O=:4;C{=E_ !jTp'㭞YuU06"XtZW!9b*-F]{YfR8,ef;EafEqK N4ZVT16|ՋQ _y9yj oΆu+mt-z_zun>!wU*fh/4w^Eo>1-v>r4)"uE*2i*N*ҡ|b86gv#Ez ^LGNI][ar;L1(Y7}ReN[Ȳ +-D|\̹)iUhu c.״}Y zMx%"3r/x {rda sY. ?gS0sbΛUŴ)ִN0ס|&|lb 3shڄ%ٻLR(& jc#fBzw9;5Xu-2\ \ 9\s?{d#Ul_qD-9\$%MU2xcEgcζ}q,߿Mi:Fڊ -|!9h:{vIϷW?]юhNqQxH9}cGqgoDBx}!ɸL\, 2ݶE8J\ ]7 "[6gg^ĚT,(^{& C3P{H m_3Ksޱ'o(:~IFN0b( !!9Y|ծ Jm 帪LNE+|p`B٭r1f4ĺ첁Ӝ=|'_[{4(zto׬o]ߒN|6VǩwCJ_HG!ТaGEwyX\5n *ѹ=^$VjݶG֓Rf\brķǮf2܁Fy_'ձ endstream endobj 67 0 obj <> endobj 1 0 obj <> endobj 2 0 obj <>stream 2019-04-10T12:05:04+05:30 2019-04-10T12:03:25+05:30 2019-04-10T12:05:04+05:30 TeX application/pdf uuid:dfbaba42-3485-47c9-b1f2-8653af3c9df7 uuid:b6c82000-2f90-46ad-b02d-72bca35500b0 MiKTeX pdfTeX-1.40.14 endstream endobj 3 0 obj <> endobj xref 0 4 0000000000 65535 f 0000026305 00000 n 0000026356 00000 n 0000029765 00000 n trailer <> startxref 116 %%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.