EDP Sciences logo
Subscriber Authentication Point
Search
Menu
Home All issues Volume 626 (June 2019) A&A, 626 (2019) A110 Full HTML
Free Access
%PDF-1.6 % 4 0 obj <> endobj xref 4 37 0000000016 00000 n 0000001228 00000 n 0000001288 00000 n 0000001501 00000 n 0000001627 00000 n 0000001767 00000 n 0000001826 00000 n 0000002024 00000 n 0000003075 00000 n 0000003462 00000 n 0000003599 00000 n 0000004007 00000 n 0000004166 00000 n 0000004287 00000 n 0000004405 00000 n 0000004685 00000 n 0000004834 00000 n 0000005151 00000 n 0000005613 00000 n 0000005931 00000 n 0000006088 00000 n 0000006439 00000 n 0000006619 00000 n 0000007663 00000 n 0000008056 00000 n 0000008804 00000 n 0000009258 00000 n 0000009613 00000 n 0000009671 00000 n 0000009945 00000 n 0000010124 00000 n 0000011169 00000 n 0000011544 00000 n 0000011848 00000 n 0000011904 00000 n 0000012177 00000 n 0000001036 00000 n trailer <<367DDD09F88FC443AAD45CCBC8D9E636>]>> startxref 0 %%EOF 40 0 obj <>stream xb``Pb```   |L%, LvAY X/8:Nc` > endobj 6 0 obj <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/Type/Page>> endobj 7 0 obj <>stream H*2PHbw.=C3,LL L s=s \ ;! P endstream endobj 8 0 obj <> endobj 9 0 obj <> endobj 10 0 obj <> endobj 11 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 684 686 698 770 632 575 775 752 295 295 656 557 863 748 787 603 787 695 635 611 732 684 989 685 611 685 390 337 390 838 500 500 613 635 550 635 615 352 635 634 278 278 579 278 974 634 612 635 635 411 521 392 634 592 818 592 592 525 636 337 636 838 600 636 600 318 636 518 1000 500 500 500 1342 635 400 1070 600 685 600 600 318 318 518 518 590 500 1000 500 1000 521 400 1023 600 525 611 636 401 636 636 636 636 337 500 500 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 12 0 obj <>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 13 0 obj <>stream x336S0P0 F )\@>,́,# .C c0mbl`fbdY 1 r endstream endobj 14 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 15 0 obj <>stream xMA "OPDtz_NE5jK02kP)U0\ 2IL{qIqzz"X endstream endobj 16 0 obj <>stream x363T0P0T026Q064bC.@rs`r endstream endobj 17 0 obj <>stream x36P0P040F@B!H Y@8&+ & endstream endobj 18 0 obj <>stream x5P C1g dVukm;aBXȔy)K>:L." u%ʚ +`p&^7`i5tႦ.B%|u{OxjrvC` jMX>stream xE 0D{`~&f( JpO{:2Sa ,S`5FR죰n_uzS*Ovvq= endstream endobj 20 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 21 0 obj <>stream x=RKn1)@Mr[T /1 %?ꒈ3L~r]Qljg!.6Xr_rњbO/ȴTXVݣC(-װr{d`Jn@CHYAaPl( WԬtb ) ٠[]aP[[xfޑ3qYk?=Q2QMg|2RCgB'`$Ip#A 1qOl)V;ޒ{,\L'ib?lK\+E(~Aq|XdDw#h% 0xyDhDԎ=(ͱ&{ǫvzcw. endstream endobj 22 0 obj <>stream x-Q9AzBsˑ C :-qPO+Uwu9HTM]vf5,?c 7zqxLu5{kOfP2+qSușO \ ȹeƌ#M!RH&3AQ~#aU#j \Ks4;<9GW +ET<pC7ҹ^s0XM7/=[ endstream endobj 23 0 obj <> endobj 24 0 obj <>/Type/Font/CharProcs 23 0 R>> endobj 25 0 obj <> endobj 26 0 obj [750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 0 622 466 591 828 517 362 654 1000 1000 1000 1000 277 277 500 500 500 500 500 500 500 500 500 500 500 500 277 277 777 500 777 500 530 750 758 714 827 738 643 786 831 439 554 849 680 970 803 762 642 790 759 613 584 682 583 944 828 580 682 388 388 388 1000 1000 416 528 429 432 520 465 489 477 576 344 411 520 298 878 600 484 503 446 451 468 361 572 484 715 571 490 465 322 384 636 500 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 0 615 833 762 694 742 831 779 583 666 612 750 750 772 639 565 517 444 405 437 496 469 353 750 583 602 494 437 570 517 571 437 540 595 625 651 277 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750] endobj 27 0 obj <>stream x5R!O gŠHa\V+/hrxs%,nc SZkAeSr #O `n>*ȷEF."#3k1 YH2PQY`@#wGyVa 77Q5Ra$ aTl:.;e_Qm]KI mnD?Ĩ)-K.Dd孆T^K+Րu4B# 2"o*&5E.HGA a:ScScʤ\5k:t4q4~nGsh` endstream endobj 28 0 obj <>stream x-K0D> Sv^b/'A<6,}|δkIZXͰ%L[mk;:a sw&) 8H6}=eVX IPСŤݠa a(i5Wľ$ ^Y(j?;`Nx(qAޢ Wtӳ *~nB{"Z[č^]ȪO6 wB,ZaʖR%0p-]E.-<΂)aؖ8<ԊRRZc݋'Ŭ Zޣ$b%Q{>`3O)A7ozT endstream endobj 29 0 obj <>stream x-SKn1\Iydfnbǻ%2~eOnŴ_Z>a ʡѧ9^/6 OBaw #Ho}a< o`W3Ac+DrE1CMf9ȴ$vMj (b,"2CPn'Y.b|=`= bWU|`>87#U=@^Jh5e5 dd }8yy<ᛊ5{"”e QĉxMR^S ٽXc: P{,Tp]⮷Z%/t/]'©7E-8G'a{HYO'u|D_~K @ endstream endobj 30 0 obj <>stream x% { ']ۿ= dؿ䓘(LǏFսK-xE#*1ڈNXN !Tg6VyG}͜W30;{K웝XRXNY<^Q JVq"gzƺjd\y@m#gI#jq†ORL2hZڒ|iMֶCyKk>WQ3OT[eLnW'"Aoũ_:Y"I8:Ob;eWH1~o康eJ^qHck|DpkQ endstream endobj 31 0 obj <> endobj 32 0 obj <>/Type/Font/CharProcs 31 0 R>> endobj 33 0 obj <> endobj 34 0 obj [750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 333 277 500 833 500 833 777 277 388 388 500 777 277 333 277 500 500 500 500 500 500 500 500 500 500 500 277 277 277 777 472 472 777 750 708 722 763 680 652 784 750 361 513 777 625 916 750 777 680 777 736 555 722 750 750 1027 750 750 611 277 500 277 500 277 277 500 555 444 555 444 305 500 555 277 305 527 277 833 555 500 555 527 391 394 388 555 527 722 527 527 444 500 1000 500 500 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 333 625 833 777 694 666 750 722 777 722 777 750 750 722 583 555 555 833 833 277 305 500 500 750 500 500 750 444 500 722 777 500 902 1013 777 277 500 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750] endobj 35 0 obj <>stream x=91 D>/Ѐ~>&heYZq7Ysȏ>rK= K,1 @|آ9%Y%WaJuKaSA~ba<({c5p*,P)s3RaS2$f+dضy.XXgfhK!a F I5-C27>2g.xz}u +_Ы}y_[! ךD b|eb\<B,S>ϟ|rJ endstream endobj 36 0 obj <>stream x=QK1)|'UW}>CF]a9`cka`n ݂obOx],csUuH*nQꆭ.:k:B 1f%^Zy$H7ԫsfIA~i6[=hmYc|) HD8dSCڗ &tOU F Ļ>> endobj 38 0 obj <>/Type/Font/CharProcs 37 0 R>> endobj 39 0 obj <>/Shading<<>>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]/ExtGState<>/A2<>>>/Pattern<<>>>>/Type/XObject/BBox[0 0 1258.46 324.941]/PTEX.FileName(U:/EDP/NLM/AA/aa35320/Tex2pdf/SmallSersic-I-nu.pdf)/FormType 1>>stream x}ˮl|EՃJ`wI.dlAeՀu^+sέ[؛An>#Hb-z [[b^ja}H z{׷3;R}=[ir[BH[w+1PuJ$jsҙ<[j:Xt{ qG(ooOӷRfpϭ-LG[)3O~̸CYOr(若 >fAy!>c _xȷGbzou 1(N7=Oh4'P^9YĘQ:J3{$Tio]ki\)w${,}tK}GbUMk]64]AEdTbʷoo폷{(Al\z藨W,-6`7YjKA4 Kjac+':ɍ#/CQU%aG =%6*>17C@7Dm1*c֍n<jT !@4s 0.h~Lzr[vh ltφҠwƞXp+r2FgC#pp gн p# *Ih9wΓӖLjIa\eSFw~x( r%3A,h9`V);4Y /wN< _$zF ЃLT 2#TZ A5SƹC)roX@Q{;zScpH)Bs ,pP%30 7ԂjTF' bࣲѴ@VXC塈+ !T&|:8D0 AWkI#._1ϨhNLk[Фcz`΂`>T(@E 0o;E<7'ыg4|*cGGoE!_6nM6D%APFdՋ9Q0#Ѡ fo^j 3JAÇFcB%K 7h"Dc0':>ck9*13B3 Pu6^lJC _#+@s"L9̘"G?XIU0-cd*LFNL~e11kXGZ I+Lվh LU (߇TJW|ыѿO gvfD35f+!"ů3˜ zx+,cNiڡy]VUK*  fVȹ)1  G8THp7*:pl-:s01Ihe;߇؉הNdϙI"mC4oѫZc#Pt(EbGft)&NϢ61P7hz0 >FEԎ@W::қP=;TSa0~ؼ&2z\cFzo c3 F ͦlW0gUx.0 t⧢ui:lsS1凞!Ah3ːЎڭ$̑|Z0yzvfih>.:AwD{HuxA CnFt'+m:F>9[ejVv,%`t-KMPCnohDH%l.cyүMx4x}"&xų (wxeEG5!wS3*MZ]'ӆl\ݰm07`pBPCe:UƼOF5"Y)0;1zJLYqt0#h6!mS]_XҐV51[.{X?' $2c@L7UEb0qgӞۂ#?plaD<&,a-J}VXv&:|D@ >s) f2G& ܶV;#8Cy Mq߇_A7Cޥƅx2:Z'^wN%%x'q]~%Xx+7nǸ0E3rnS_`OQ:t@̔FG'DI-CqZ]ʙP/SAYRbv/Q-%{|AjlWs^*XW{y3Lt 0t$WT&0|t)QS@X'W~Q6BeF.@2N&QQrr>)rsuZT1)1UõE~hpr95o#&vu/,0J k/'d.`䄎(Z7 G4%u`Izeq3lqaLp|uEX$#W36ZWu8Sm[ZV{**wBlj%&Q`IAu` m75X9c0K*Pځ%Y*\XHj~Ctn:D7ꘑ0dsE @*DtR$T0YN_nԹȕ,=F͚;(1aUqMEWHm+\;?u] 6m?j `9ҥsXk x=^GKfaf׵=@G@Oʫ0fUY|5!+ I>kp]=I\sD꺮[sT?ި\@Ֆ5xW2Oi3v*ﴼ81SkeKege<r"_% {Cρ;YFYR oߎָRW0s|/} ΃8[%\2֒WI]ޒ13߿w _V/&cRH9w.I;?,9n+0'U%;ܘz}X2R_*͊?/_,\`Bɗ"%$…ҦFKhZ%e'wxAWijfH}[@+C]_9 | kxI-BZie«+u׍ {ɏ+ߊ~̖b{FN{4Q~+>CCo^?g%FN' K^{1~#ߊ~Z&,7HYן]n;[?Aάf#݊<o7b.W`^~[_Wc|gKO>F|@y[z>uzoN?<]Xoϊ~1~#ߊe#㦕zo^?--R?p/\J~+>79[z>iziKNFeS-VzoN8<p77BЅa!7J%I^ݟh$Þx!%]9Pߩm^%gwM ޫ̲lf-j4`K.`޵[ cC~"&wYPؒKEwmEV Cz"XȰ%gEwME ޫۯZaiaK.`޵\k!۸>~^;3ewgqG{5_/#O!!ze+wXByݒS}=, )3)5Z>r&]-9w#[yƭ!hoZsp:ؒVU,k|*PwK.y=,5踧ާ׼k;#dwk5zkd^t^#̃mLﱗbψNOt-՚roE}>Cb:]una85өj:#ҝ%ɂ]t۷# fو.V䡻smۼt$jmDWm'Y8-h6Z>C/w6 Ftlv}P< Ftmv}'X6n,ݝjm#o[Gnm8ޢn,C,noE}>ۼt$KwmDmHlޒS<{6fSd&+CSy}dZr~.+<5'Ǒ/Y_)S|+"}c9\GU+-Dْ^(Lz]O V:+(l~Dy1UAy rliQ^_F2&fu~Dw%e+TkΧG'`iYuy!:Ly䇗g{~UW %P|A~V7^X{oe2<31}cL32*.y<%铃or%WC4r0PE)ZM!+W*$-T~$/@OL(*Q5遁NY"m*h4搰@xr 5%CCBJ1I2b(Bar^D,T̔KV] tfSbx&fJPrCN;ZiH>Fk[͙oӈh6d op>cP!s$osѿrέ0rxAũCkH)!iq 4jXǍ$1BZ&aJ*ƐhXHH'y?1%ưTF iwa d4M-P^ ѥ{jpQad,&!ʐ40f j,@"t$apRL|Wr5d+aa1rajPJ;9 `}U5puAw3bѵL5]H5y0: PƪF"&s9HDI` E& !OQmK1b(I#r+Ba;VAzSQ]P/9.՚01 =9a>:d2j jo0$0 і 8ƌc{Ωsgx9 Z/f AsQAG벨0X%'˽Tɕՙ#ݡtX &#܋pEeu5lK5y9q%+i]1`abaBjȺI֤6hf r%fU&) &41$[R¢V=9L$+1+HU5dTu2=[9-<Ɛ= a9HsL4Q p ritU~Pd:͖e3=3R3# idD^3u]-\֮YƂa&Gv2+i1K7c-+TTkY@c9n#R-%Q #&I7F\9Y$3Š*@ c~ #j#Z_[cnWo Hgđ3{w!D^3[P!,DK`҆zѐwސ1ˑT]5 dAnqً3c$LJ\A2A92=ˡt}qf^,L[Әx0ȲZS;3f#l(t,dv)%U8$ W"HqJG0Wۘ'[&g1_ OmphW4򻟐|Jr HPY/1>𔘇Bl<,S3[)W:h;~lxzeC\kUaD4Z"2.eKz{ u.@1%l/5Bu NWG2PF So#clT;S. K#cWȍZ`m $?MZZX< EW,p-(+{^ d  2ޜuIeJꦢ)PPu7ZCxU{ c1h(] 5t6Em\%t2Ff6]z`v}7daAʷ=L40B0Kտʕ KcY2p]Y:BIjs't`\bh n]dzB 7s ayȋHYȳ4Џh 1+4xwđdösk%;9մ*Jo_^+Yaɀw RH%H;rTk)=ץ&c(VJ4ʉ C)E*C$9!B?}0Z5yN-Î 4fa& G#+xb#Kӳ}j#mt wKthx9xx7Y؏\hVK3Ke@?r'MY.6`07w8aBlDJ~%g՜43 )P~:.B>{чq.a1H?{Fgf|;wpY6.c&:|2:y9Lt1J>GtMߎͤDt NvDr3ש3y.Hew : \ Ԡ0߇H`? =Z8ڵK:Cnɥ,jk's$̠$og;ɉ`Nx%1b| GŰ{ZLky#^_r0z  H+1 %ŤVLtၘǼ:nksx5i<, 4c|}d$΂J21Vuuci# G+E=|yΝ$x3(]ѕY! BNϹu ɥ12u$R}#/JZH+CuM5/[(knZn{JLFL]vx z$$xv,p$ IN<ѩ oZ>hte',)7ּ|zk=EZ>+BΪMq$#U4γ|JO2Hş1 TѬU[-K6|߈?/!9|GWz ϖ6RGKʍkz+yqRɓwY׿8V|蟤啢N~#9 uTVN{ͧ.HC?1=9~#ILkC[o2CӖv bNy@Ċ`:r?+ߊ~ާ倍o^~[/w# Hbז Z׿8V|gBUN~#yP ξW^S׭ٌqܖz駯)JdNy'+34B)wʍp+ފ~n4=nZ׿8V| no7bWa=~+;~#ߊ\qa׿߈AS*qJ~y"V_(tGk y*& {IH?ʇz#U`*~#LP[b5D-ԐMbkHy y^4ɛ~kğ93wn}ml[GGhj}Ĕx7F j*b`=t+JrIL%I>$˖*~Kxb75Il I^Pq5D0 H_Lb}]l.l[Gɩt^{~yQW{W9*&q$"l䑍_S\ d- < )WY6`)>=RxalÑ8kx_r0 l>́{~i8rx/96%҂$09 L-z_&Hbsᥕc2\lˑIv,e˯~Ibs9\Vǔvk.&'0b*l%r$0`TS|$Y.6NFY<<9̃.#X6Lbs1OK&'p9H޸f_0I\&>e|\k.&'qN콲;\D$6#ͅA橑_rIl.Gs'-&HrYe)b\| &L]Mbs9\l-b\$.' %őS~$q$.a7Jl-b\|0x]7O\`\$6!Ѷ~˖_rIl.Gxtdzƶ`\$.^|>}_s1I\.>;BB_6*m˙ĝ_dPH0Œj\$I"K9֯'G91wӉܼAC< @72.ÃQn Dš$%0 [5 Bư' %qA=ѐ#¡\7pE֎(IBm5.!9*CrUYi,^DR c`# R.;ƀ!#Gz.a$QKL 3 I&l Cݢ'F?(:!nJcQ lD~[*R=y`KkWGM|"4^9";3@xĄ @*5kdp8Mj$v]I" .U2 ^ShĀEؚ4ELJ,8cP"k Sh2ܓ%k (JےPǒVU;Q)LɄXMBOXapN)&>V-I0ЖtIPybst I#^w7._ltXְܵnjOKl0mNv'B&$wE}[ȣV|G_(AdWbY\6A1ki;O9pL8KgcW1a} 'I?Pbm5I-5%+yjt.yC>i49\ &'g2c|H0^S6^ "UxL.FN͵L.OU28' i`=9RdF܂-9 ]tr^@d2Eh\u,%4 +VCZmwiȔO$_}Rf $ \}-p5S73ti*m$>l1BgH/NIi&RyוL 6 1{a/.r/EDԇ}*!zksN|msլ=KcUqb(dQaHe i䨃"%ob bh '.)12 ChU9:ȈYpE \qGZfƐ>k~Q)e-jdkAavUS?^krU?Ғ% WdFOnQ1Z/KskG`ZU2ǫHl?Z6'WABӎp4wp_Bge~O3@܇n:,`1z{aT@!G.k <ı4ywz+>O&MosXQ6d EII"u^O$KlL]DzX`@hrړɼIJ[jr?R,1S>Eȣ($}ʾM {.ƣK^3I_)V@#kT_{#=*e..sJ%Yw|r'C8 .|&ԤV͘WClr T'-yNjT(+~rg#yt'o)$NB KtȲ mȄ1n,$47,mܨYXK񾛥 P #hƭ!¨?p\|A ǵƄM|湖.L$?)/P>TR-1wnksz֛dV+1DF0D*rI/Cl!Uyީ +hr7 K:dv Vhֲ/($;1-+Us[|s?4ϋ P1xXqJqiKiG)WJ+R*Ƙ<ȳKyχQΗp_PDreX(rSԅ< G(rH/_몇+PWxs{5*m筲04%o g K >b_%/$=;JŗbG/(( L6僒58agIkIM WRKJJ:ޚmI%% O&+O%%r y%KIm [#˒uHɍ]mAGAkAM WP 4 L`@1*%}%5)\I}/){`mI|mb˺I u3} wo1otב>{eBv^ 0*LRDv&?MzJ/qS|8ڻG7kbrjETO)*?mW6u?)e f6x۶xr縎-]O &kF?f: endstream endobj 1 0 obj <> endobj 2 0 obj <>stream 2019-06-03T18:27:37+05:30 2019-06-03T18:27:19+05:30 2019-06-03T18:27:37+05:30 TeX application/pdf uuid:296c762d-7ceb-4d4b-a88a-29c71c7690ae uuid:e03a191d-f7d5-43fb-846e-f175028e66aa MiKTeX pdfTeX-1.40.14 endstream endobj 3 0 obj <> endobj xref 0 4 0000000000 65535 f 0000027560 00000 n 0000027611 00000 n 0000031020 00000 n trailer <> startxref 116 %%EOF 3 0 obj <> endobj 5 0 obj <> endobj 6 0 obj <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/Type/Page>> endobj 41 0 obj <>stream 2019-06-03T18:31:05+05:30 2019-06-03T18:27:19+05:30 2019-06-03T18:31:05+05:30 TeX application/pdf uuid:296c762d-7ceb-4d4b-a88a-29c71c7690ae uuid:804304e0-0eb8-4eee-8032-7a21a6f9cf68 MiKTeX pdfTeX-1.40.14 endstream endobj xref 3 1 0000031292 00000 n 5 2 0000031428 00000 n 0000031489 00000 n 41 1 0000031712 00000 n trailer <<4A5D30332C65664CB80BF065B8E4D15C>]/Prev 116 >> startxref 35122 %%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.