EDP Sciences logo
Subscriber Authentication Point
Search
Menu
Home All issues Volume 623 (March 2019) A&A, 623 (2019) A173 Full HTML
Free Access
%PDF-1.6 % 7 0 obj <> endobj xref 7 78 0000000016 00000 n 0000002142 00000 n 0000002217 00000 n 0000002338 00000 n 0000002595 00000 n 0000002848 00000 n 0000003005 00000 n 0000003152 00000 n 0000003311 00000 n 0000003494 00000 n 0000004545 00000 n 0000004702 00000 n 0000004842 00000 n 0000005144 00000 n 0000005287 00000 n 0000005373 00000 n 0000005670 00000 n 0000006044 00000 n 0000006341 00000 n 0000006656 00000 n 0000007064 00000 n 0000007201 00000 n 0000007315 00000 n 0000007640 00000 n 0000008027 00000 n 0000008311 00000 n 0000008448 00000 n 0000008850 00000 n 0000009051 00000 n 0000009172 00000 n 0000009331 00000 n 0000009449 00000 n 0000009729 00000 n 0000009865 00000 n 0000010014 00000 n 0000010331 00000 n 0000010649 00000 n 0000011111 00000 n 0000011433 00000 n 0000011864 00000 n 0000013836 00000 n 0000013983 00000 n 0000014166 00000 n 0000015217 00000 n 0000015357 00000 n 0000015659 00000 n 0000015889 00000 n 0000016032 00000 n 0000016118 00000 n 0000016492 00000 n 0000016792 00000 n 0000017089 00000 n 0000017404 00000 n 0000017812 00000 n 0000017949 00000 n 0000018063 00000 n 0000018388 00000 n 0000018672 00000 n 0000018809 00000 n 0000019211 00000 n 0000019412 00000 n 0000019820 00000 n 0000019941 00000 n 0000020100 00000 n 0000020218 00000 n 0000020498 00000 n 0000020634 00000 n 0000020783 00000 n 0000021100 00000 n 0000021418 00000 n 0000021729 00000 n 0000022149 00000 n 0000024134 00000 n 0000044398 00000 n 0000044958 00000 n 0000045907 00000 n 0000046351 00000 n 0000001856 00000 n trailer <<3834C9C5389547448E2978098A7F4428>]>> startxref 0 %%EOF 84 0 obj <>stream xb``f``f5P#0p44 yC1 ?C1:O`5`vvkSsB_5L&/ "X8x&$%cnf˵+a.[\`;O_C& }bct] *;L. endstream endobj 8 0 obj <> endobj 9 0 obj <>/Encoding<>>>>> endobj 10 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/Type/Page>> endobj 11 0 obj <>stream H @<n޲JI)a:XHRO%Pj tk0n!n8$+@AHHhk89둊cU Bhm3l2\-i'.E#Y~`7,.{dç'e|B endstream endobj 12 0 obj <> endobj 13 0 obj <> endobj 14 0 obj <>stream x240S065U276r,#s# $`Ad_ endstream endobj 15 0 obj <> endobj 16 0 obj [600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 318 401 460 838 636 950 780 275 390 390 500 838 318 361 318 337 636 636 636 636 636 636 636 636 636 636 337 337 838 838 838 531 1000 684 686 698 770 632 575 775 752 295 295 656 557 863 748 787 603 787 695 635 611 732 684 989 685 611 685 390 337 390 838 500 500 613 635 550 635 615 352 635 634 278 278 579 278 974 634 612 635 635 411 521 392 634 592 818 592 592 525 636 337 636 838 600 636 600 318 352 518 1000 500 500 500 1342 635 400 1070 600 685 600 600 318 318 518 518 590 500 1000 500 1000 521 400 1023 600 525 611 318 401 636 636 636 636 337 500 500 1000 471 612 838 361 1000 500 500 838 401 401 500 636 636 318 500 401 471 612 969 969 969 531 684 684 684 684 684 684 974 698 632 632 632 632 295 295 295 295 775 748 787 787 787 787 787 838 787 732 732 732 732 611 605 630 613 613 613 613 613 613 982 550 615 615 615 615 278 278 278 278 612 634 612 612 612 612 612 838 612 634 634 634 634 592 635 592] endobj 17 0 obj <>stream x5 0D{8R[.{9>G-dCxI9>Q4Zo:Hsd33}d4I!rY)z>~ endstream endobj 18 0 obj <>stream x34P0P0S546T04V073PH1 X\00247CbBeX r`J# endstream endobj 19 0 obj <>stream x5Q;r1} ] 3og3JFfa =؈ėoYf~'Y)QTEX!Yjs#Sr&>'b8Ύf01h9f=!#n4U i[ZSEȺ)Z[=- c _ĜE'~3尒4#15όO}>hw/̈́LHœƘ1T$?г>0TG endstream endobj 20 0 obj <>stream x357U0P F )\@>L̀,CKd!eba26"X@lM4q endstream endobj 21 0 obj <>stream x36P0C. endstream endobj 22 0 obj <>stream xEK!CGp;.:l%(3{Lnd;0sJlLN\#T޼頉{DΣY jg.7ɭFiwyHT9λi Yմlk?*MlVWw'K~0%?Q|]7g'W&kyI_ʣq)$_SS{ginV9 endstream endobj 23 0 obj <>stream x=;0 C{Ȍd'>2VI(/u< i& b;w؞D/)ϡ+E:Ū0[M*K õ}74uK hY pu;Gw5<TQ!OJ|<(!\{0FS@\^BAjI'>stream x5O;! 9.m`ϳT/od HDG&^S=Ä=Ba$5븛ſ]3 b0řvX'qNcDlc]L(!0%)}9:Nb.a}1WOdP=&ՍI4^2`a$YNkGQ"1'2Ҝb :; *s>h][M endstream endobj 25 0 obj <>stream xEPC1 =`,{wHۿ=JFp!Z?ZK oGFA= 3A΄@xFnvpμ39Zpә\'mBITqTqLύׁlӑ!KI%&~S*)[*EH䁓M4,?Cb̠Q0qGuٜ9-L|X&Q)2>'\N}䢥Uޑ"ۡW%Qէ<Y> endstream endobj 26 0 obj <>stream xERKr0\ 3gNWp:<  2=eH6dWdՐFD)򹼖\nJ?72ͮЪG6F5+# CzVQdv!:Sp,Cu)mA#o<rLn[ :[m@ s` )(UI­\';PЪt79`Òho>F, f1H'N=q:őpI8@/ u:eMžBRq"n]ElO ?*3b Ԓ枾?9 endstream endobj 27 0 obj <>stream x32P0P4& f )\@B.H  %[B4AXf&fI8"ɴ endstream endobj 28 0 obj <>stream x32P0P4& f )\V.L,іp "} endstream endobj 29 0 obj <>stream xEK D#>stream x5RKrC1ۿSpΘ}tj'+-@B./YK~%ۥW%B>R-G- Q=2'":xa>N)x_xN;2$KMH=I+4t~&+s{rj X+)$=Hr7VސWg%&&MܕBXtLX㰄*aՃM5fcdxLP} #GMv²[6!D3,($Nc$ Ұ9 9e, mh%zМaמE[{ endstream endobj 31 0 obj <>stream x=PC1= |7˥m$B6BLɔ:ʒ)O>Kbnd6%*E/% }ՖC4h9~ 3*K6p*3 mtV[ Ф`׶ r " JMrR=ot-N=Dkq: DpFjtaŲC5=kz7hGt4CָR endstream endobj 32 0 obj <>stream x336S0P0 F )\@>,́,# .C c0mbl`fbdY 1 r endstream endobj 33 0 obj <>stream x-R9$1 ~`LtIUls#h/#xE=f۴[iGiK,W ;BjW0wy.2meDkag؏]e8*Jl !2J'Qw\I2[E™w2;yNE{ kF9+%|6vzrYɩHHӺ NKؖߗ3| endstream endobj 34 0 obj <>stream xE ! CT>՞0ABA";06Ѣ76իc,zRV鐇Pi0QąYLCaΘȖ2MlTv<e~ma, U^ ?KwUBS0 endstream endobj 35 0 obj <>stream x363T0P0T026Q064bC.@rs`r endstream endobj 36 0 obj <>stream xMA "OPDtz_NE5jK02kP)U0\ 2IL{qIqzz"X endstream endobj 37 0 obj <>stream x36P0P040F@B!H Y@8&+ & endstream endobj 38 0 obj <>stream x5P C1g dVukm;aBXȔy)K>:L." u%ʚ +`p&^7`i5tႦ.B%|u{OxjrvC` jMX>stream x34P0P4W546T060Q073PH11s,lLeb ̀Ɓ% 9pr΃ endstream endobj 40 0 obj <>stream xE 0D{`~&f( JpO{:2Sa ,S`5FR죰n_uzS*Ovvq= endstream endobj 41 0 obj <>stream xMQmD1 \ky R]oC /)%K [UC?13,=?TPbht/"+ߏe s`&4`oI&ռ3d‰ATwM,3V7: lx%D`r Z`Q+ tĺv7C/਺x} K{,|BL;wI#fR:=b}@e+ (\* endstream endobj 42 0 obj <>stream x-Q9AzBsˑ C :-qPO+Uwu9HTM]vf5,?c 7zqxLu5{kOfP2+qSușO \ ȹeƌ#M!RH&3AQ~#aU#j \Ks4;<9GW +ET<pC7ҹ^s0XM7/=[ endstream endobj 43 0 obj <>stream x=RKn1)@Mr[T /1 %?ꒈ3L~r]Qljg!.6Xr_rњbO/ȴTXVݣC(-װr{d`Jn@CHYAaPl( WԬtb ) ٠[]aP[[xfޑ3qYk?=Q2QMg|2RCgB'`$Ip#A 1qOl)V;ޒ{,\L'ib?lK\+E(~Aq|XdDw#h% 0xyDhDԎ=(ͱ&{ǫvzcw. endstream endobj 44 0 obj <> endobj 45 0 obj <>/Type/Font/CharProcs 44 0 R>> endobj 46 0 obj <>/Resources<>/Shading<<>>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]/ExtGState<>/A2<>>>/Pattern<<>>>>/Type/XObject/BBox[0 0 728.658 523.896]/PTEX.FileName(./figures/DX.pdf)/FormType 1>>stream x͚MoG+(ww!KVr@>X`,z%-˞=UlGuͰ6las~gٞ8\Lr1\~-m]m{sFnpө1RJ-)"oT‚P׎X|Nj1;Kdq9=8yUR>$׫-r\Tl]dߨMkS8V2yu1 8 B2F7!fʛ'n$h 0&NiPEq.DC䄊Xv: ):"Nz) kcZ"Fh΂4cFh΂%ɏzgR=DBOR:=sRPA`H)[) URXo@W ux, [Py_W9Uw< 2XAzc.݄'P39 58u[ʳ*(ir#Qo6;aBʳ*(\B1] ǽ-Y.}-B u„gTPH+.BE70!Yr.B]R'PqIcEyH, #;F >gTP26`., cF',w@W0Va*D|% deKX^0_4y&'TQ櫀j 0B$ =]I^X(JJP -YBP&{ d(#TBOU+0BLBO74LU(fS |vξd.]||u{fuqsuH(:%#fv̬?.yypSG]})/?0F}nA3~'C~}٣߮wY܂~!μvH39qS]}o!Gb@5OdwǶ\f\bb0qMJ}\[Nnȗ˟gY,,EdNrMrnqmx&[5{ _\`x{4([ endstream endobj 47 0 obj <> endobj 48 0 obj <> endobj 49 0 obj [600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 318 401 460 838 636 950 780 275 390 390 500 838 318 361 318 337 636 636 636 636 636 636 636 636 636 636 337 337 838 838 838 531 1000 684 686 698 770 632 575 775 752 295 295 656 557 863 748 787 603 787 695 635 611 732 684 989 685 611 685 390 337 390 838 500 500 613 635 550 635 615 352 635 634 278 278 579 278 974 634 612 635 635 411 521 392 634 592 818 592 592 525 636 337 636 838 600 636 600 318 352 518 1000 500 500 500 1342 635 400 1070 600 685 600 600 318 318 518 518 590 500 1000 500 1000 521 400 1023 600 525 611 318 401 636 636 636 636 337 500 500 1000 471 612 838 361 1000 500 500 838 401 401 500 636 636 318 500 401 471 612 969 969 969 531 684 684 684 684 684 684 974 698 632 632 632 632 295 295 295 295 775 748 787 787 787 787 787 838 787 732 732 732 732 611 605 630 613 613 613 613 613 613 982 550 615 615 615 615 278 278 278 278 612 634 612 612 612 612 612 838 612 634 634 634 634 592 635 592] endobj 50 0 obj <>stream x34P0P0S546T04V073PH1 X\00247CbBeX r`J# endstream endobj 51 0 obj <>stream x5Q;r1} ] 3og3JFfa =؈ėoYf~'Y)QTEX!Yjs#Sr&>'b8Ύf01h9f=!#n4U i[ZSEȺ)Z[=- c _ĜE'~3尒4#15όO}>hw/̈́LHœƘ1T$?г>0TG endstream endobj 52 0 obj <>stream x=K CBGtJ l}b"'ć$l{0rM$q ¦cɦuJ~w4ft-Ev!"ܣ<`1J0Ze=DG7(*KDw4e8$ endstream endobj 53 0 obj <>stream x357U0P F )\@>L̀,CKd!eba26"X@lM4q endstream endobj 54 0 obj <>stream x36P0C. endstream endobj 55 0 obj <>stream x=;0 C{Ȍd'>2VI(/u< i& b;w؞D/)ϡ+E:Ū0[M*K õ}74uK hY pu;Gw5<TQ!OJ|<(!\{0FS@\^BAjI'>stream x5QIn0 .AO ``hKxA[֌]< 'Q^{ .o8|^Z9O2 D`@ai'ώH5YN_KK(O~ J.kO8'O [WLcD.A|!]'@;綟Wuu)O645I"%Ҹ[{TS endstream endobj 57 0 obj <>stream x5O;! 9.m`ϳT/od HDG&^S=Ä=Ba$5븛ſ]3 b0řvX'qNcDlc]L(!0%)}9:Nb.a}1WOdP=&ՍI4^2`a$YNkGQ"1'2Ҝb :; *s>h][M endstream endobj 58 0 obj <>stream xEPC1 =`,{wHۿ=JFp!Z?ZK oGFA= 3A΄@xFnvpμ39Zpә\'mBITqTqLύׁlӑ!KI%&~S*)[*EH䁓M4,?Cb̠Q0qGuٜ9-L|X&Q)2>'\N}䢥Uޑ"ۡW%Qէ<Y> endstream endobj 59 0 obj <>stream xERKr0\ 3gNWp:<  2=eH6dWdՐFD)򹼖\nJ?72ͮЪG6F5+# CzVQdv!:Sp,Cu)mA#o<rLn[ :[m@ s` )(UI­\';PЪt79`Òho>F, f1H'N=q:őpI8@/ u:eMžBRq"n]ElO ?*3b Ԓ枾?9 endstream endobj 60 0 obj <>stream x32P0P4& f )\@B.H  %[B4AXf&fI8"ɴ endstream endobj 61 0 obj <>stream x32P0P4& f )\V.L,іp "} endstream endobj 62 0 obj <>stream xEK D#>stream x=PC1= |7˥m$B6BLɔ:ʒ)O>Kbnd6%*E/% }ՖC4h9~ 3*K6p*3 mtV[ Ф`׶ r " JMrR=ot-N=Dkq: DpFjtaŲC5=kz7hGt4CָR endstream endobj 64 0 obj <>stream x336S0P0 F )\@>,́,# .C c0mbl`fbdY 1 r endstream endobj 65 0 obj <>stream x-R9$1 ~`LtIUls#h/#xE=f۴[iGiK,W ;BjW0wy.2meDkag؏]e8*Jl !2J'Qw\I2[E™w2;yNE{ kF9+%|6vzrYɩHHӺ NKؖߗ3| endstream endobj 66 0 obj <>stream xE ! CT>՞0ABA";06Ѣ76իc,zRV鐇Pi0QąYLCaΘȖ2MlTv<e~ma, U^ ?KwUBS0 endstream endobj 67 0 obj <>stream x5R9@ } ] v͜~߆_ CVie!U-.Im W%ڥ Pt,6˯JH+kLwIi"Eo7o}=@.^ AS(i|Ъc(ew 4<3}(~_K&(? _osџa`Ś}@*z`yT endstream endobj 68 0 obj <>stream x363T0P0T026Q064bC.@rs`r endstream endobj 69 0 obj <>stream xMA "OPDtz_NE5jK02kP)U0\ 2IL{qIqzz"X endstream endobj 70 0 obj <>stream x36P0P040F@B!H Y@8&+ & endstream endobj 71 0 obj <>stream x5P C1g dVukm;aBXȔy)K>:L." u%ʚ +`p&^7`i5tႦ.B%|u{OxjrvC` jMX>stream x34P0P4W546T060Q073PH11s,lLeb ̀Ɓ% 9pr΃ endstream endobj 73 0 obj <>stream xE 0D{`~&f( JpO{:2Sa ,S`5FR죰n_uzS*Ovvq= endstream endobj 74 0 obj <>stream xMQmD1 \ky R]oC /)%K [UC?13,=?TPbht/"+ߏe s`&4`oI&ռ3d‰ATwM,3V7: lx%D`r Z`Q+ tĺv7C/਺x} K{,|BL;wI#fR:=b}@e+ (\* endstream endobj 75 0 obj <>stream x-Q9AzBsˑ C :-qPO+Uwu9HTM]vf5,?c 7zqxLu5{kOfP2+qSușO \ ȹeƌ#M!RH&3AQ~#aU#j \Ks4;<9GW +ET<pC7ҹ^s0XM7/=[ endstream endobj 76 0 obj <> endobj 77 0 obj <>/Type/Font/CharProcs 76 0 R>> endobj 78 0 obj <>/Resources<>/Shading<<>>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]/ExtGState<>/A2<>>>/Pattern<<>>>>/Type/XObject/BBox[0 0 717.205 523.896]/PTEX.FileName(./figures/DY.pdf)/FormType 1>>stream x͚KoU7^ &{ D " !% P~>ro$P*c{;cB}WR⿯5s(W1o;yB>zMsRocn++e# 䵷`BRګՅ3QMOvzҟ BR .bOT)]9ucU4rmC%s?s ]ߴڄ ֠ 6*0Ѵ*Z4ࣵ-i֠ 6 :3u5oM DwrK+EF& iɊ.vB\l`2`}|VDDǎ"l#!kED)X̖,;}"Pa16Kx=P``0ZUMۈl8>tߊ(G ^nLN0e;( ;b.6b0[LVDa[b.6b0[N[-g{A,EF fx6;H0Tb.6bl~a# ޶R]mlnܶ~3=Pa1E tߊ肃[J,EF f "UtHPa17? ba/)mហyjrc< Pr 3;4؝ox]?m4syQ&.y缓UN ̿(Tᛳ=?v}go?~^_~|Ք`:a:`%s_=?.w~u+Lm=6#*-U{'_ G>stream xڬSfݶ%fm۶mmۑaem6o{שSܪZ[s1G[HANT΅ gikdo+g)Cdj +g!#v25t1t1DL&NNN2 RUI?%9 5ơBjB/:;'O:y~3:2{ KMmrFid\ݦ^JHʔq[xQ`(N*< 68pLxZEJג E#Wu g%QsԒx:I1BVX#RZ4;K?(B@}]._(s^KP#GFM0'7 X=f I깑UpHn:w}ö́\ђyd>)zm=颬AҥPM#=@|r~,)Z FuʹQ':;UٝBYl{Yk=r7~Ղ10Hkz? 6RЍ.(,mƗHQ[8] Hw5*(r2}h7tn׾`L i7xb#Ƶ`*|݊-Ryn*[O2ي2d>45&$U%29"5Ha jHOnhL ?H"/5Ĩ?,MCr @L.k^EX~8yXbF zŭ[@]("1~.Հ= չm?9 ۫[ ZFKדǨ?5a"߂_1?ޒQ/]|6yt<ܗeRAT2eClXAQ$\Q&PJCXXR@5EUm]k:YTì]x).~Ղ? Li}̷Q&O+<l346I~i"6<&wZElusU =W_́siͅEGJH'<>f3_>xdQ*w CmtE]NĽoŻG #F3fc&i#ŔSy~@( [(C,?ɂk V*R)=_ ò 5};:ղ`6&L>" 3}s v9kuFk Bɗ)ubBl񅜷`}{- vLT7xlvhn~7[<OM;y9@uwkkjdj#ƙ4ߍ4y!چ8|7gj"CyȰv`=5-a Y5'NdJ3Y3eyU0Vg\6re܋UAGk'ff*!Imi[螞S˞ʧq*s#jG_f5}mA~bJK8L2#ӓ6e}Ù(-ӁE.;o|Ϻ|fid)F!}0kLZz1e]@ gQVePعogK/%;rP&N_ 5>-@*Œf8iFu8PAr@7$.}l {- 58XDTf̈OG,s`{+vlҲAPBYW3c!y`U[f Lnp=a{]*W[Hĵݞ=ZksP?]}2='+hBanǿi%PP'>Я@,KĸQVs-nQG|8dcs= \8)~D lRO".>ZΚGG2,es Xt ٿX5VjVʲJ.EIxlnFOw@ɳ4N=Jo']̓nK:OY}Ȳ#{!h`1wPϝl)G.iF0LN'n3XCv)Kg` C^XļȐqvgT ./]daC1}]L"a6d }A mvu[,`vDqEOudn>3lc!(8:07du a;&UЬH{>X1y %Y;Sk$S܁e`=g-s]"zkLJ zBZԣY`$p`X,P?u+Pה/Kgyi_yǖM2Cp};;CXTc?dwyri>낱`dqo If= .a'~7啲,j;qB2CN@]p9-DMxHEPbۈܪq-;}l!ϥ7t1qBMԋ qad,ԑs2i߄g4*CSLLiy^49]aj 5M! uǴ=t.ENht*qY ˜ .(:#odA-`Od޽Y++Z]:2Cs.iꆥ-謲̫?8b&`~U&J̈$X('3Rud9+ѥze|D?ò77gtOX&i[|gP'L\sx )sHoZʲ}^c5*'hFy$_V MCS`b݊6>i؊fWV mX)Ϗv 5@AWE'~v:td2q Zch=Ru̕G8^:2GZ;脤 z:hx,v|2JqIleGuw#\UːvUgW<e}嬌 Q3LTGNǜh5SA9vl8<힖b&.(Nmr4"wNwb^A'9iE9TZ_8&w}W Wc ".WWe{rݯ) <C*M/1b51nW y}̣&x8:Mp, Fd踫 I)iHׯYcmIljB*v|kSm7VlSscdٝdCy3ǭ;؂ Af[춶;ß sj6 ad쒥Rߓ 8jpIQ qVTPDiT:w)3C!Q3N ѻޙj+Y]J3n$s1??;]Xê8RsݽxvQEMEy] cIR_I/ȻpE VmOgx1)̣Fu-?#̘Eba'ydT6ϖFP}cIw>|\ܮ :6JZ%z&?AMuX81=HA9oD.nx%fA.˂@R$2)h _K`EHP<#u9}G: 3Rw}=p9' [25De^yP3ꂸg]]rS9[.|9~٧)6& C`{4M3f\(b,wsܽrWKsj:qwL88='`mP^z(w Tm򎋻h9!W~5WeD:b7 qPLV(* `"k.'"yK--G+%~7r]m68hP2>i2 ( ="oT ߚvO/~@ g4P-H9g2擻T>$3 (UJa4E&&JTIvwk XJ;Hz>CH &<[Eay ]~|7!Ibqag*L|C.2`W58*Mpf LtWsPk+sO>dKg`zzBn2TE ^ꨃMيG=S0LT:^2Bs -ۧ 6>Td,P!jnV7?.|>-5HmBw80Ŋ÷'1 Wtev}\yc.1-jW`!锖 =rr{>|](^nq05ǤxΔ$7پM(+r_ٹ +~oc~o_"^N/t>>H3riEb(iVs<)pfLqSa4ҊDo@uSlV׵3n:/VGeCR275̰p 3rWE=?b&m*P#DVIfThis email address is being protected from spambots. You need JavaScript enabled to view it. Zt`u6 vK2 V7 HqJԒϥh96dcc镣P,& 8xFzz)3=ڐh\Wld,F ᰜ ]\uż2.1N(nnR/ߋϻfC,rnH0H'qBݺg8jJSt7:O;2Y~vG!s2 XvӝZ.Vn!Fϱ- a':m _k׀ Zy.v6u!t9WJl >i{^Xu42ІT`,de˩qjT\`VQxVO2ʭ sw a\?ddW:X@F֬{U`77ac ~p &nBPJmB'^w$5T{&N ƨq)@4Ͷ?r6Iqum1 _ TU# =o߆*cbnU0/%?C$e)^ʿ|L-EvI@![ 'lʁ0$ =Ng),{QhwL$ljJCORAP[m *|ԎZx\[JGYѱOm)|ϻ}|c\X3Ƕo,zC9X`؊~mMɱ쿉c f0_..;_VGeȰ0ܽw-qX”^ѭ\h`!aI'8=ڀ#[f!{B-F,916nMz"6R:y'-!lԍ]ٝ).}:P1 g%oc `REIfGϥ`j7#O^c°c |R-|E=c]7]Q"zu"CD0\XuaY*2&hZ{OH#,(X>Ot$,vV}'{B}Pb,jQ+Jn+gP|(g 3,P.zڴ;eA͑*E8Ⱥ9'I]z&oImrD~S#e1eRbs*kDrC,oJ"l -3ge[foTeQ%1y۝}cp1jAOb0Fe_P :El?@ @9T[3KpRV^H08/TyyW(KGI{ʭMXV>?@vfb6r<\á徵i j{4Lwl :}ZA҃5J*sbO$ۆ z,>Bت=Z^zXzQ׺KLFz3vmSf0KR?'|h:^44]չ#uG3Ф "^7A3WkJ`(J(f}s%%U3 a﵃9R,cprSxkN`I:exOSIqL\:)lz(F9#uDbpϜ+;Lis1;ż_RTB5c0wcd-тG %*2.mmZ8ˀFeH |9Ѡ69yt$ O n<<{@J7=l겈9.L"|!KyR+r~@ԏŐ{<\Wk"2j#sb׎tqdQ1V۝;׮anNڭݺ|KS^KS7̀Nc""L`%Ƭ*pd $qPᣦ-Mݧ.kgϞ]'h]1j歧ZluD1sOfL{g])_P; jхAN6s'-tCBU_y\LBvx0XZTmn"G&M}-`Sv"KWAùP\wsIS|9KcpXm0Pt_i̙z"rjDNٛ$~RY2a.\_kDž??MG4%>+u0kבyjg20ǟ."H|Ž{z?12DH~oma4"wcYN6;v'ug~WCL!"^o L bqؕPғ)٠6Ҽf} &g6w 0%nh]Z*}&5̸|/ua% HaW?.,!4N ͡wɘd]۞ލؚv{=xHO{ G]XC}e=J7Va>ؼđHkճm8{vy]?CtGFbVosl# Ov5*)`BnÝ4ʾK1K8X;]j#i}FFJ1(R3E#H8 )؞2w"͈LH.\:3ߍr΄w͡q􈇎 _>_%F_ƥ);Se w[)yW.zb%Ċ|}誚z#+yмw"lB)WSKGrg;G7޳*'zGV/k˥dM?POWu1P;meK"2+D{6)]2GWe~hgfZU85(&DIAf|(EvvN8R/ȡlIQ)ʃy:3vdMw6=y뜎)KzHy6# M#LEnRaVrۃpj9C^~KTiYon=Oqݩg/TZk6Icȓ\[U|UiJו)@9ׇxoVz7t2o۹+El] y=B6ޯ/N/r!#io iglϢ ݍH褌W&W6 h.Ó=mJfHBiWO&·(jT +^ӣ|e7ؚءAeI\mx&Hz4c_ ( 8~s\Әk8-_X;f"̂u= _wbZ  ?ϙSrl! &L]|lYrB[Ak< " zgYbwWƦb&x,"mk}FZ^0j+qvMp]2KϨ;]{6RiT*7aPXZ=5\bnjD7V=@Fa|wNBoLhPFx{ݩxo nr=:οj0%R؝iӓ\d189(*s*I@oά~0qa~Ҕo'Dő?AdR0v[CJKS=DZU0XZwrWyn6xBzqhew9]4hGҵ{Pp۞7cK[e.=;|[Yy[{GhCO$-T0@ ~0whTk5,7P FsjYk ϙ]~<+h~p]CJ)`iwMXz) aWflG-9Ųm,Sg`P=B||@gfV7Р'b2M Vp&#`.BO{LMХ2f}! /Xqun(~uv;^t}GolHPj?Qu(w$w(1#7_`E[LZCIu6ݺ*bj|aK saJLE PѡtKҳG|\'L`j:@]Ut@ ):RhN2S ` "bM[~&,AA8 5Z["yYl[cn̏. x'p7ɓVLA⨟H%|n kmsjXߕu\_DGt]8W搽 Χ31?~V P:* e0T^֪i "=+LvmqmK8 4 c Pa_2by;z/xV`maL~U1늧@,OMZV=Vme%GF(q%yNFGEaUyp 283}d7a3;5b A ==k]FDK78$h ,gDxkd NE/ϜgV$PjyM7-V,Yf'g[U3lVk2I`ZjÅH} C(2(?Åg,/t.e3kc>XS@_Ô?Mn}Q捘:'a&e? <( RC HbfZʁɰL .X(/DڂI.g[s/}\Q23-PfbxEx=M`,^vhqq4#➝ Qڠ[҅N~+؅GᏝ)iU\@)I}J4^d*ֶ\6&ٟN1e88.P@ 8>a+·5uU@J3K`\_@'#(!DiBU8sX4h;S2kr>zϝyN kPF;<;Ѯ.Z~%k`hy֤n^V*A1C(K6,0#<خyH1OH]ƷcΤ3ӱn[ HAd,7gg5Uۤ}xWaKG ) g@ON-۴TH.(Ki,|ƅƟeD/X}N|r|'*G}/v dB|=sFP&NaIF_“>E͈*b4Pڥ7DS 2Zܑ򰝑v/k(ӣ=Gq%G٪v-gr)ٿ?v{Ѡo^OV?#ڋ6O_ϓ;z i§ַil!Ñ/ x&RK7ZlSH$K,G ^h~ȃWPN a&'QğnV@C l?N2G`W>YHW.:?>J‰|C&gCC^.&t~Wse}ZƬMmO=}<8WP9UTڜv&t~jp. q(O0E90-hr3AI]ǰ+*wZ>RW&+xc ޙh>!8*ʓqEBoNTAO v>H+`#I#^|pfl M"#5/}Z+H0qr"49sQ%p%C,I4E(Oͫ[6&īZw) * AH9?7pN"^ߎ?lt =֦ O$]CV3`_N[IW'4Drj,1eLsm6A>/Qg^ ǵd:h)PUy_:p_QY z`t\v;EKؖRx.q 9"Ap2$㜄j[655(5 k" b1}>\ׄ |`ps<,$zB([^gDZQԖ2 ־Gr}{R{}GiY*mJ&$5;B!P$uҜ26ᄺXTë H>Pǧsӑx 7cKYp]64 2sZA䦭Db.63}fDPvH-ؘI[I `kc[e[)>I2[f2Ï%9!jcFF~G6"_w}%~`̊Q/16=ZRN_3JMkējɱ7EiqB0 )مʼR~Wy> [MZ'vp +G-6J&rXg85dDsȞ)nPڢ3#Q2^<5TTLfcHY1O;xI#gtBQ+YTCmhZ@j?15G<-Խ% փXIw~M]S>XڋӱLIꋻ9I'ac,t#a~DPM}[}GY}sy"!j`)fg+Dsk}zwNu: :ҽxbި I4?5+8hy Sc3*prh'  OsclfKS"ѡM9WnZFs\] Ah:{#wá~@7Pֹ!";# é{3qU,ߋF8^ZmТ)hoSpn^Ѯc ؗp4~=Dɽ3ì\7sןtl{Z$JxOL_w$REZWM'QO%ަ#7ͨ׈LlkS%aCl2N £Nm2p|^GQ|>e0^l̏<Fy5k/?#mS67U U&(qA]|3"m1M(D%ƴLS.ʕA qi]hV0yoN9 =[O[ ɚEW㢻_('[Rt7 # oZj`j>g628V`&gxO0C(JYsf(Z?WbsSԖ~bbRVs{u۲,y?aUO# Y to^>⹽(vB5$c2ň(#]gS@AE ;tsSv[k^ AOS9PofǡNdCǑ:^mRxCC{~l6q"!8QC@R~ BܗBNm8nUVȶ;Pl3ng羭`h^2 6 &=5[3'mZRc'3\Y[ҥvݐؤlOFo'dy&] kZPӎp6~F1U<'7B)JDx 8 X / 1N(, ysMzS͐ _ )"W~_ٺ|K9-S /Uw`3k ޘ*0»% lMB~K'Ր+iq&nq˧6r[`FVq ݾ<7>p/LNUT Pߘ_VO;:Y<* л㺯H`uApIQTkZm,eh1xSQ=HjX 4,kh0j~gBtgmN_ˍueuu?1qvkz!ke qkwh[}{K`"`'VnvKm֧rW)Giw;P4AEW}3mjuю=fN_rsyZ|ҵ5elq _LAc9f.A豳^+UmRtjF +uu\5[ c<ƉkMSvII) أ%.'a\3|ihç(> lc,߮vy&PWAVGKoNjQܛlN632aoѳ~;(!3Wњ\sX4.>>[ZDSXAbjD*5/Lzz*L(M9N7l7ˑSd}C W+lO;tCЈ=\V(h>#>6ڈQ'ʫg8RVmcjjba4^-YA6>}f)k+EQJʋ[^52t>(sHsLʧ]<.^i:Qu6wJEimt̨ %B"]KrpBgM<68zzZXmhk!ŝIqSҰR7Cr0Y:[xl]7EŜ~?w.RGƮXN8 rXԻw+/<{.¼gfWp6MϧmH[6v'읨Jw\!_p+[Ǟ eH~>pTqW^Z͘;Uqk XϋMp󋴮БVZ[Gw- }  ^lP` 6m]O fTp^cvzw斶SpCA (T/dBkY*fB4. ;pIzѮ/kȼ̋,s|b̡l`3k7O0 L/BZ6h3m'Li[=r;lمp:Jtx0&ƿaak;-Z鉈0 NOt>ж|o~񖦌%I wa3PC.?wpj5"';U LdH"*dϊbp(,x-DMƧq22B#*,U64z&+~ˉVw C0!! jbd1!3u=ǷM==Š*@MKDMsEuzΙ$fܚEr9/e)[PaA7qyY09gMWb~kӁ]uM6;㍡tuM;țK2m/qꝪ̊*8<s>dϒayl0>* ?I`͐N+.(h[w>bNn}{Pyg&TIBqt-@g 'Qmz4m@hE,7>EKkzh*˯C)o+ȭBaPt^4|K8n%?A0\ӴqV:gJ[Y12tUywI5G25ҏ;/pz&%ߙ{FףI-i|hY"1; 6?h[ny3`-/ax>5H,{8c3&-@2 e- "Y~Irӏ0`e^'4=6|@M=;7+ m#2D{gt|| ˙(0U5s=;F}7[vék*D<ߑ-FˮrluWn8\}q!jX֋4J<5+t) KLeXk endstream endobj 80 0 obj <> endobj 81 0 obj [556 556 167 333 611 278 333 333 0 333 564 0 611 444 333 278 0 0 0 0 0 0 0 0 0 0 0 0 333 180 250 333 408 500 500 833 778 333 333 333 500 564 250 333 250 278 500 500 500 500 500 500 500 500 500 500 278 278 564 564 564 444 921 722 667 667 722 611 556 722 722 333 389 722 611 889 722 722 556 722 667 556 611 722 722 944 722 722 611 333 278 333 469 500 333 444 500 444 500 444 333 500 500 278 278 500 278 778 500 500 500 500 333 389 278 500 500 722 500 500 444 480 200 480 541 0 0 0 333 500 444 1000 500 500 333 1000 556 333 889 0 0 0 0 0 0 444 444 350 500 1000 333 980 389 333 722 0 0 722 0 333 500 500 500 500 200 500 333 760 276 500 564 333 760 333 400 564 300 300 333 500 453 250 333 300 310 500 750 750 750 444 722 722 722 722 722 722 889 667 611 611 611 611 333 333 333 333 722 722 722 722 722 722 722 564 722 722 722 722 722 722 556 500 444 444 444 444 444 444 667 444 444 444 444 444 278 278 278 278 500 500 500 500 500 500 500] endobj 82 0 obj <> endobj 83 0 obj <> endobj 1 0 obj <> endobj 2 0 obj <> endobj 3 0 obj <> endobj 4 0 obj <> endobj 5 0 obj <>stream 2019-02-16T09:45:16+05:30 2019-02-16T09:44:18+05:30 2019-02-16T09:45:16+05:30 LaTeX with hyperref package application/pdf uuid:bf806ad1-bd19-4dd4-88ce-c47aa166baa3 uuid:05ca510d-0cdf-4eed-b481-9221d18cab4b pdfTeX-1.40.19 endstream endobj 6 0 obj <> endobj xref 0 7 0000000000 65535 f 0000046411 00000 n 0000047602 00000 n 0000047690 00000 n 0000047766 00000 n 0000047818 00000 n 0000051244 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.