EDP Sciences logo
Subscriber Authentication Point
Search
Menu
Home All issues Volume 628 (August 2019) A&A, 628 (2019) A51 Full HTML
Free Access
%PDF-1.6 % 7 0 obj <> endobj xref 7 70 0000000016 00000 n 0000001947 00000 n 0000002022 00000 n 0000002143 00000 n 0000002408 00000 n 0000002501 00000 n 0000002533 00000 n 0000003602 00000 n 0000004348 00000 n 0000005200 00000 n 0000006074 00000 n 0000007328 00000 n 0000008206 00000 n 0000009152 00000 n 0000010142 00000 n 0000010304 00000 n 0000010464 00000 n 0000010561 00000 n 0000011186 00000 n 0000011724 00000 n 0000011885 00000 n 0000012531 00000 n 0000012888 00000 n 0000013307 00000 n 0000013600 00000 n 0000014317 00000 n 0000014482 00000 n 0000014698 00000 n 0000014859 00000 n 0000015278 00000 n 0000015610 00000 n 0000015938 00000 n 0000016143 00000 n 0000016674 00000 n 0000017123 00000 n 0000017355 00000 n 0000017440 00000 n 0000017754 00000 n 0000017954 00000 n 0000018075 00000 n 0000018613 00000 n 0000018865 00000 n 0000019104 00000 n 0000019328 00000 n 0000019494 00000 n 0000019823 00000 n 0000020151 00000 n 0000020448 00000 n 0000020631 00000 n 0000020824 00000 n 0000021020 00000 n 0000021733 00000 n 0000022200 00000 n 0000022679 00000 n 0000023035 00000 n 0000023218 00000 n 0000023426 00000 n 0000023947 00000 n 0000024286 00000 n 0000024986 00000 n 0000025356 00000 n 0000025673 00000 n 0000026206 00000 n 0000026797 00000 n 0000027028 00000 n 0000027228 00000 n 0000027349 00000 n 0000027542 00000 n 0000027839 00000 n 0000001696 00000 n trailer <]>> startxref 0 %%EOF 76 0 obj <>stream xb``pf``{ Y8pt HʝA[y\Ԧf> endobj 9 0 obj <>/Encoding<>>>>> endobj 10 0 obj <>/Type/Page>> endobj 11 0 obj <> endobj 12 0 obj <> endobj 13 0 obj <>stream HOo7 :.(ҵE4vzښCS ݡ_Or; E(=CɏZW Đedd}"-sGl^]ߢ/>o(-b$19c|Airm&gh8_AJ^X {#xŃF>%eK]D ޯ$z$GՂ$8ѬȚ`pM|aM:Kk1=Bw|X= ɁpI#G8jTHNv8O>MG<ĸG"H"飢IœK @hMGȲGznq}ksòs6or ׈> !Qpkՠ3 A8Zv" Ag-;f٠QͲ>8t6fFn }c@-BWN{Y8Gjיp*]'w̃]wH/ͮ3TQ]g"j@M`י3u&U ?q)]'LzVH5%'n'Ywiߛo^/pf^_$+ C)/B#eY11?M5?TCpR_;r#)Hg_Y"7RP@"e/Ch?]FD{cGq"tkyn>ć/X*udӅ8VUXeyx0w?]W?뇄ʧ8Ѷ]}waCC^ixǩ>> %414г42d䦨Tߠ=1k/彜7QF.WJsQF˻EmX1N[Ը5Q j'IwGQ;9+jEQkġaWU SO+JQԁH-hCdmd+QkġQ704Fh td{c` endstream endobj 14 0 obj <>stream H;n1E|V+(Y%pdbΐzL\,(+̼Pˑw.ǽ]o߯]qYbsN<_^_kWxp(Skꃥ46 {hrGQ*t{%/Et >nP:  J"HQ"(p(E`r3r8p8J1\t":;R 5FJkX"8p8F|F)"\T\Lsvp(RA0aZ.CzB)<㏅a-Z.$\,Ra..&ɍ{ƶEs؋ AʅCWpbqp;Et0aBpbp%89 EuX\Aa'8pQ"8p19Et!w:0^3Pt "`1X{`E7>k!btpQ `2{h˅A .o| g)\D],k)4J Xj kX"8pphiޮ8p8XXB]L89y ǁ /EX "˅CTN.8sv?R; endstream endobj 15 0 obj <>stream H;o1~~KRp"R*( >,(M~Mz>]/MFk_nK Տ_)*edEGNe_'UtV(;{ΐk/Q[)m{Hn;'%f2QprvHFV8D>o\c"8p90 )́!yG۟B H@@lko0XEbP %!p9*E'",7R;p8*g>f8P\$aC1J@Uc"8p8CGЁġnX́١ODYD}":rtgw尊aN\V8dΏ\c"8p90 ;p8V9;0aL.gk2"K@}+ p9 qp~):{gٓ'~m} G3B99Fy`l ""PpSgh(G1HDprá>n݁!j*}qCDtwn I*G1HDprá>r9p8$Go\}":"raC\DU%Ø\$c"8p9;Dc)mHr 'W9:E',qr=!zzu\( UBMR=~]_|Z|Wׇ\#g _GǐZ?jַk^cJϫiWSyo(ԍG)xJHMp[tȺ2K`1d endstream endobj 16 0 obj <>stream H=oF񞟂e\xo/m4\g J*ŝg!ܱB@$O7l#u2qڏI` ^\j5vH)E6 1yَ۟_ʘZ''w[=B\$?^|sw|~<1%O,-Tjm?&\gL^GL!Qkr$">arD(- D(/ B\VDIF-*D?c SQ'r!W'G,8u4%hPkGQ,-1cF)1\P2Ua8'+ H%a0h`m%3CX>kpVK C.Fa68'K0 Am(0\֖թ3suRP#-^Ή&+'K 0 `@PR!3C잗 }€0X6 0TWOL  }€0X07 \!ql'(Oz0X-}P7xqH~8ym`R0%M lhPFr4tbc 9Y9 AL Amw%Z'&/[oW'0  0 \0N:YbЄ`Hp|:LƐe׹2$0a0hS@ endstream endobj 17 0 obj <>stream HOo6 >.Du6vzC2_,r^'=9#~L|7Mpk@˜|AWhJq!8=TZ(5''sO.%xls8bpD.# C`(rC.n1, f0bV W=BCSNaй#`  <V Iâ·CSaV ',`{0 ,O. M9!(G0pŠ{X1\b(B`XSb@qДC < CdYCSa(m*"` +`eṕ!HȺASN!-ScД#̂A8c pÊ!iaQNaH)0t + y0 Oo޳DM !+<Ϳ-cl?M~ |N/dᱸ襴}\$yk?Y K$*Բ.i")pl㪤L,Sʲ&! G0%4ޥz̋YɔAR_&|̲P:9Dr"MotoP A'=pcĬ=QaA^SOBU{ P|W>GS4+?R87/m8v\9n_d^l6e̦fW^Ϧ~ȷ\&)>]d2,.sֲy>Lz/sz4){WOT~^h0hcgzs{/W?MRY RemexO۩o5ݶ.1`{1@LN^m!I EuqGm|H;B\=%KEJuWgϊ=A>>Q$ljw0'u d˽Ba9$qO TE6+iGY ^x<)N*rJ^v#Ive\ ОL`.\qQ/ Yޙ^K~~=m@vEmuG10ԕA ,@+B_ڧAL 0ׇ endstream endobj 18 0 obj <>stream H=oH ^bʸ8f>h\rWpąڝR8hn֯wEJm bcPV[m+ ^%Pc(Xr}۽BN\@E"^mx#IOo* x^Nx#% H<}o)5=!:)pk|}:l1V  B xe# :RI891+yyɐ"gy?bn0l{FJthkQآs"]c:'*UMBG%\+Te2}btshpIwf;,;4d>*|l U >Qݍ$ٷ,%A;=:Oҷ>)V0< špV0 *_t0Xc_BU߭T1D š0'*)CIax5!tÜsMV8<\ '4õm0BAm`SaNT R sbb9 o씕*K>Qd>Qd9* Ͱ0))@ik6XcSݏU!H1D š0'*)ç%Ӓicpd`E^?J(`z RL9Q1Hq8̉A@Aa kB0'*)DPS<\x᪐b:̉AaNTRL ^;I8ԞpY`*yJAC6P!`hp/KM endstream endobj 19 0 obj <>stream Hֻ0 >O 2CCo[R`YG;[?'֟/}OdiO<`m*is}~oUKٹZeΉH9_>ۡ!R]_;s0PB,AØ$18ACŁCkIcr0&*IV$r_DqP}9QTt%ځO/Tt$1Q9HtHGf`QA, q9Np<4' `LTD !ؿ88P_Icr0&*Ing88 j cRĠpT, ='垐d0&*I cbD9{lo?FoftǏ̓,Dz@ǯ˫ιLJcQY*X%Է7QR}+O7|M7b[>stream H=6 w ,)zY%4fer٢=yDt~;$(oρ@X0|>>.@#Px̖kV/ǀPb=PHB8"C,+ Ih#$h #-Tiʨ%[1x5dE!` ᙡk4ɞL`It ]B#LbdKBdE!` f4xLPВ- ICKV4iA0 `ȣ;C,iPa4ixf0 !D4jhɞNV4iAkxd0 LϱihɖlɊC0 ;L3Cאe:li QCK4(Bװ`4<3hZ -ӐghɊC0 ;]2t !9)2Z- ZHPs` <tAɖhXdI"t L3irx&%{ BJ;Y`akP4Oz"lZD?ZLi0̠"ŏiMv4DtEϧM4tհ:jX`N4' wA AG.Ld~>jRЅl\sV\w|;OOd R~Y߿W&W^) $@,y$Lv K) *+.y7] ކ >|?ȪT6 K6dB)Ja"'LOTJ!S-h6jPqpب}X j㣫1 r° V̇w?>ݸ endstream endobj 21 0 obj <> endobj 22 0 obj <>stream xM=0wN@- 5Nvh$i^Wx0DJn4ſbU\He+8/s漝  endstream endobj 23 0 obj <>stream x36P0C.=CH endstream endobj 24 0 obj <>stream xeS;0 } ՙyI#gL}EqahRlHXĂx3"z5>F@"K7k R㘪"ldELTpBT4Γ{]%ӽD.Y<$d1θ V 6!.c\c I\Ԋ<8B_[l2VJ0gL !eF,Kפfn8TEפSKqǶU{j\1RӾ Y\F'mV^Q[z2;sg5~j *^Q;xB1ᷕ5 ܅}͹Qb;[D&}\!0 8X>stream xeSI@ <0g4s/V,0Zd*T$Iu2~!, #VxƥPg'K/#ܔ3[)&K)TS)'c44+ckjC5f4>yL9QN`C"(oA[Bi 45d w06h5VȺ!pTI+ RKi!Q4߉l |@<1ƶf80MV2طa"uk-SؙP 1h֫a-pRxHYpf^qMbl:xŊ-Ƣ 01g7.^Xovo|3yb8p.ц09υ>t1b'inמu*zXFL.n+hmK_̀ӘX_R`u[ _ >K>_? endstream endobj 26 0 obj <>stream xM 0 D{O²I`)ؿ N>Z*26 jXq`b&4`p3Ǩ,NQ<1c)??<3߱ 7B] endstream endobj 27 0 obj <>stream x]S91  ,C7K-˜`DIA<>Ć:~Ă yUN|?2u66>RJ?w1j4}̞ב0uMK!Ncr9ui.iڪx20G5F$ 6IsFG_ 7IꓨIAa$`ā79X[=-|0n#=x[@3EkI:9i bF6 %F]e%~%7<Γ8kbX1k#UI4Qˬâh њLIN8s\FKHoIjH+!aZH/莛gpqߖl[xY?FZ6^7XkjZ1>^ 'sh8+% 1,Pv7 [œL`(̬k*|xdW,;* \Ԉp `C48rDj]Vf> cipzy endstream endobj 28 0 obj <>stream xmQ9n@ SyF զpkg7 x$I19"y| w="c%fM1,/㶉Y2K{+xetw\λ™m{~s endstream endobj 29 0 obj <>stream x]Q9n0 Myt[MC89c7/E7E .ꛇ~Y\9!F' pB\Q(HL2oM#$̅F) Ll{Dž8ePAacEl%,|&q[#~#DJIPq7DFVZw3s=\ʮ`X;!&vW;ݰSywmgꇟ 1a5:M8:.8O/l- |CE5D ?hvK#B[U?4;'0NJk3Gla endstream endobj 30 0 obj <>stream xmQ9n1 )ޤ7ljSM]؆3<4$u HQ$Ń>~/*EA\vDvP"`ɮr3L}L<2^h(aVtdD"M.a0%P8¨Sٝ9R+f["ctQJo΀IUBv({ "\pu9hSsJyBc|?yb) endstream endobj 31 0 obj <>stream x]TˎAW9Q78iZkKME+c=X{4Yش//,J]Ҩv'z@2Aܔ0+6cFvv‘ "~嗧 /y HXn!q`V(ߦqGɬ ځ)TP5 7#I*s uddn4% ئ9< '{"; PgƗ6 f$;7;x IΘhX?V endstream endobj 32 0 obj <>stream xe= P CiZ} )@xyê'Cƕ6KOu6\骼%Ů'gnh" endstream endobj 33 0 obj <>stream xm10EwN 3 RT)DȨYłqėKzGv\&} ܡE(|$v3WrlM1LP3Eصϳ; 饧h֕rŚ4r!~zOC endstream endobj 34 0 obj <>stream xM 0 D{O:!1c0`!IֻM7iPʼ+A:l.VI`(0K>stream x]Q90 u >]1r~7m-/ yF,tݽt؇rE 6[?w̘!>k3 uR ߭Vz1`YetUKP)ٯ&<:Q(wqV(st`OƊDnA2pm!̀hP'ċxNDBd BtEb{\X̛r_,Ҷ0{<ߞufXQ1'.]Pf0j J!ciߓx>stream x]Q;nC1 } "o=CN/"$%$Eu%Wt=}PpeE< c4r2R-ȩiQ5yQ%;l9qS5UоPQ{,j`g^}OLTU6:x/L[}J(>]ĸNk= Jmzn×@|q5LcaS й J љ\~/YGq9<=|8([|IsֶP;d}nc|_)c endstream endobj 37 0 obj <>stream xU;rC1E{:3XF2"oXvR߅ZB d4 CX@WeC;42o]k<=)} :_xΑ/C[Qtn?Cfp2ҳ'Z)\%6Dq.k` MG3PQNoULl \nʘdS׺8b;OuUW(Vl>l}S:d endstream endobj 38 0 obj <>stream xm=0 =`18C[,g'qNBR'"(mC(mvemo 4;\s5-I:Nk^~따%*&~ E][U6"5 endstream endobj 39 0 obj <>stream x]S9A;(}ecו%5Ap] =X DP>r0YB fjs aD"Qwrz"Mux>>> endobj 41 0 obj <>stream x]OA 0ER/Q?n6%nBMڊxٙagew9_%I cisDǢ8L+G:ށ`1]M$:ʮZS MA#EFOqfԵ:hnc$Nj 87h'SV endstream endobj 42 0 obj <> endobj 43 0 obj <>stream xmP9n1 )밎g i,f-HKTŁ}E:;~0 L8F)2IE9~a endstream endobj 44 0 obj <>>> endobj 45 0 obj <> endobj 46 0 obj <>stream xmS;0 } )~E9e/`#QRi1xD?fHG& pTU"Si=jxVH\wƦ[F^D?HAl 2Ql݈+vL,\"7K[Eu&*/4;|tǏZ./W6= y[#6]W0,ߏMf bryg}G1ȉ;@DMuiPnKVS᫫ȈM9׍(鹵st,1] V̅esQtf(6kj谷ū3o.L2.4Qy71# X Z{='b7A<½m8kF^ S!r"lE ~Ӿ::~F2 endstream endobj 47 0 obj <>stream xm=B! {NAm&$cx+-cx蛁vҕ+W<ܸvzGab۫kEgAϢA1h'MZ+MƋNce(ɎA-Qu!a$N;XN׾>sZɀ0NWm Yz96a§=Nka endstream endobj 48 0 obj <>stream xm=0wR?c :Cￔ4jl)<ր,`BH|q4p?0lFgdffpxqWԸ"*I3;]Y&D$6a,دȰJtFU?EZňOUꄙ)#.)M?oe-_7T% endstream endobj 49 0 obj <>stream xm;@D{NAɈ1rD"ol+ռal"TIKL- 0 g.. ܱ\w=֓)J4\:zO Ĭ3Ŗ,M!j$Oc=ơE)3MRE=!|t S:?W endstream endobj 50 0 obj <>stream xe90}ka<7  xƲ{ % &%a6er/6'\"Iy{lTf:D'_ endstream endobj 51 0 obj <>stream xMQ;rC1u <#1|gRE߄)`JHh CњB:k;?79ϩ/=L/a .C#Ҋ%$}Wrb}(XPҐfYebb;.$kvH s{vNNltuǥӤm]pcĚu^Nu0ywP4 0n!+]iH{Ibz"WoD@Wmѵ`i6U7Y\1nZe endstream endobj 52 0 obj <>stream x]Q;RAV-Ecxgi]_ 4t3 # J7l:jwܾ9SO9"B+i7SgszTs}l+vsge:"k[,MᥤrWLy^yzՑ/Kd t/0EBx`M~M7&2Lqj̈́ӑBaC4+؇!u :9ԳWƝY[K[Z"#Haո>>> endobj 54 0 obj <> endobj 55 0 obj <>stream xmN1Ay]g]č23 cf5.ĒJVO42/a9T !Uјq36o!FqPԊxؽOr~\q\ %h3 endstream endobj 56 0 obj <>stream xe; 1 D{Bu %YRe^!ě1([GƺW8cj[e8c8QK#T)!U0f<%x/ZO]47ӓŽOnfI9-H7N;p.- endstream endobj 57 0 obj <>stream x]TK@41rGYM&ychP_{E+M/>6ms]F~9qȜ.*I֛G5t}Lċm{#MX`:DMRvIvN}Rx\vNͣI 2QZЃ"ti’(xd+>stream x]R;1u Ůz1|q9 |hvk5 bg|L[8qTq}Sm݁w% UH̠^wRaK\AcIu+ffEAVe<\@$YE<N FEqk_#4ADO6̍SǙQpKtyjps/FPʾu]!j;Dm QܤiQdUGHLb$hU!dܕ)w*IŀB{D,xK_:ž'CuzHvk |(O'f<2ӾvāVq%S޶cTзw n|*kqF endstream endobj 59 0 obj <>stream x]S91 }>stream x]Q=1} 16JѾɒŌ CPc. Xr9Op^8b{g<@Pɡf~.3;(` ؝:6UlIFѵ*]ؕ 5 Vͣb[~kNq{w۲6gPnLa="H/<6ɻÜ)N#T~;jSݬ!>7_=l{:5dш l5kjǪ_89#f2%Q|ng#-NZ?/t endstream endobj 61 0 obj <>stream x]11{^A-ƾg wJd>+BBÊTK[K  3,!vcj5ʝ.y/n.F?R_zt- endstream endobj 62 0 obj <>stream xM;BAEY נy ϢC8!-q1>>-O61؅!݃I,m“Q6b}ħ2r=bY﷘jYݮ^q_2 endstream endobj 63 0 obj <>stream xeS;0 } )R#gxAMovdDzljD3czx%/^d7ٮF*$֤(s`C'hCYHFx]"ܑedC$1Q =k0Ea =QM&ań \PZMWN^kTbv y 0xE@GFt1o1T*kVwMԙǨm9{ 춌N3r$ 7T?kp‰,%$-~ֻn9,z#5 b #z$buOb=U((5!qG s!QNZ|Z)e}),k: @U/4Lr8<{YϙoܖRx :ְW u+&efɮb^~~^_9 endstream endobj 64 0 obj <>stream xmQ9n0 )ޔ7l)&#ym3aθH>#IcໂOFnc1EfZJʾpg=+ Y)GD4 [y6e߬;9PfzG6FL =jvѐ$AEڌDf fΨx2܏*bYǝc;wp3] G\O3!pdl.}nƨT{%_ͱd=_/qSi-7F]m9Jl+SifѾ?gl endstream endobj 65 0 obj <>stream x]T;$7  <1|1 ciRY*Ʌ-ź,ey/4 =_ԽN7Ymb7GFxF5w.VU޼{YCdb~- hT֌9WЮ~G+ySc/a`Cf^U'߳h')ua O̩ud \Ok3edu 4V& l[Dj |eX(JOն?m] x[lD[G9M79qg {aGisJ3 &sW/XmBR0>wOqu]G7Z}]%=yg(:s%8a frxd? u3'CH?13δ@ΞL ==U1IU;6ax2ո 0,,nv09CDUQCl'n(?ty}\-t'чǓKHg \'s>a9Dx@;єثgsC۷'&g;,G S䍲"g5.\ endstream endobj 66 0 obj <>stream xeRKn@ Z9E)=0lCr,E2R˶tIfF#]ib)dT_ VH3f'n]F)L+I="t/R<\j~w< Lڤ!Vlw6-80>ui~)MbHzIf`"]g}%<`c 4ʸI/y|8ޏ?nv endstream endobj 67 0 obj <>stream xeQ;nAԑ306JRMH/oh؃` aR4B}Μgq~or/p7+Ѐ6}Fe wIoIGH*Mn:N:)̻9{PxmFsmeq/ۚgzV7(`q O&Vzp.tF'q,Q[Q{,L.M٘M6& ]/iLo3@(ǥRGUm^ endstream endobj 68 0 obj <>stream xmSIn@ }`aIX@FQUlJūjYĂ<\N^j$P]Z1ChNŽ)w-Br&AG ht#Yaݔq2G e)SlEWᖴhI!雙š+g@HYSRĩ)[9&rP4 ;$Q % V)FE HjUӊ7,h`:E@PԦ(Ɨ(l:9&SCc[v"Y&,6ֽ endstream endobj 69 0 obj <>>> endobj 70 0 obj <>stream x]O10  ]ZUm?eBU,N>ˮ{ֱ4%"@cj0I!w X d7~ɇRTvjK745$jk[Al=0gF]W?-KĩT-Ur&SB|dmSP endstream endobj 71 0 obj <>>> endobj 72 0 obj <> endobj 73 0 obj <>stream xe;@D{NAYq !#BBÃ`W 0 2''Q Y*EHW'Dg%"">>> endobj 75 0 obj <> endobj 1 0 obj <> endobj 2 0 obj <> endobj 3 0 obj <> endobj 4 0 obj <> endobj 5 0 obj <>stream 2019-07-05T13:59:09+05:30 2019-07-05T13:52:41+05:30 2019-07-05T13:59:09+05:30 LaTeX with hyperref package application/pdf uuid:e9cb9dcd-4936-4710-bb4e-1f633829e1eb uuid:38a2d789-a6f5-4fd1-94b6-7676d12ce1fd dvips + GPL Ghostscript 9.20 endstream endobj 6 0 obj <> endobj xref 0 7 0000000000 65535 f 0000027881 00000 n 0000029072 00000 n 0000029160 00000 n 0000029236 00000 n 0000029288 00000 n 0000032728 00000 n trailer <> startxref 116 %%EOF 6 0 obj <> endobj 8 0 obj <> endobj 10 0 obj <>/Type/Page>> endobj 77 0 obj <>stream 2019-07-05T14:06:03+05:30 2019-07-05T13:52:41+05:30 2019-07-05T14:06:03+05:30 LaTeX with hyperref package application/pdf uuid:e9cb9dcd-4936-4710-bb4e-1f633829e1eb uuid:f6797c9e-77f6-4264-80f8-a1964ee0cb81 dvips + GPL Ghostscript 9.20 endstream endobj xref 6 1 0000033091 00000 n 8 1 0000033258 00000 n 10 1 0000033334 00000 n 77 1 0000033599 00000 n trailer <]/Prev 116 >> startxref 37040 %%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.