EDP Sciences logo
Subscriber Authentication Point
Search
Menu
Home All issues Volume 624 (April 2019) A&A, 624 (2019) A74 Full HTML
Free Access
%PDF-1.6 % 7 0 obj <> endobj xref 7 65 0000000016 00000 n 0000001830 00000 n 0000001905 00000 n 0000002026 00000 n 0000002264 00000 n 0000002416 00000 n 0000002563 00000 n 0000002623 00000 n 0000002875 00000 n 0000003100 00000 n 0000003283 00000 n 0000003466 00000 n 0000004517 00000 n 0000004657 00000 n 0000004743 00000 n 0000005130 00000 n 0000005289 00000 n 0000005569 00000 n 0000005705 00000 n 0000005854 00000 n 0000006316 00000 n 0000006634 00000 n 0000006777 00000 n 0000007119 00000 n 0000007310 00000 n 0000008361 00000 n 0000008704 00000 n 0000008858 00000 n 0000009255 00000 n 0000009469 00000 n 0000009871 00000 n 0000009941 00000 n 0000010248 00000 n 0000011657 00000 n 0000011804 00000 n 0000011987 00000 n 0000013038 00000 n 0000013124 00000 n 0000013421 00000 n 0000013795 00000 n 0000014092 00000 n 0000014407 00000 n 0000014544 00000 n 0000014931 00000 n 0000015215 00000 n 0000015416 00000 n 0000015557 00000 n 0000015716 00000 n 0000015834 00000 n 0000016114 00000 n 0000016504 00000 n 0000016653 00000 n 0000016970 00000 n 0000017432 00000 n 0000017750 00000 n 0000017964 00000 n 0000018334 00000 n 0000018525 00000 n 0000019576 00000 n 0000019730 00000 n 0000020127 00000 n 0000020341 00000 n 0000020389 00000 n 0000020680 00000 n 0000001596 00000 n trailer <]>> startxref 0 %%EOF 71 0 obj <>stream xb``c``kg?vLijbnN&lƬ1%->Hu^ג`1W@z<""7^'ƳC fd` pQ6p,C#@Q$ endstream endobj 8 0 obj <> endobj 9 0 obj <>/Encoding<>>>>> endobj 10 0 obj <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/Type/Page>> endobj 11 0 obj <>stream H*2PHbw.=cSssM - ̍s=s\ QtuP&&zP&+ endstream endobj 12 0 obj <> endobj 13 0 obj <> endobj 14 0 obj <>stream xmK D>\`Ę+t#tSU%4" S𱌇[˥-EߏeR?)P@p&/\w+-9b@.7xulmYG endstream endobj 15 0 obj <>stream x5; @ C{B'* [=$,,#ލ[lBwpWpoHKe$DZOnT NT=(Rq) endstream endobj 16 0 obj <>stream x261R036R2,rLa \P%H237ATpcbr endstream endobj 17 0 obj <> endobj 18 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 19 0 obj <>stream x34P0P0S546T04V073PH1 X\00247CbBeX r`J# endstream endobj 20 0 obj <>stream x36P0C. endstream endobj 21 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 22 0 obj <>stream xMA "OPDtz_NE5jK02kP)U0\ 2IL{qIqzz"X endstream endobj 23 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 25 0 obj <>stream xE 0D{`~&f( JpO{:2Sa ,S`5FR죰n_uzS*Ovvq= endstream endobj 26 0 obj <>stream x=RKn1)@Mr[T /1 %?ꒈ3L~r]Qljg!.6Xr_rњbO/ȴTXVݣC(-װr{d`Jn@CHYAaPl( WԬtb ) ٠[]aP[[xfޑ3qYk?=Q2QMg|2RCgB'`$Ip#A 1qOl)V;ޒ{,\L'ib?lK\+E(~Aq|XdDw#h% 0xyDhDԎ=(ͱ&{ǫvzcw. endstream endobj 27 0 obj <>stream x-Q9AzBsˑ C :-qPO+Uwu9HTM]vf5,?c 7zqxLu5{kOfP2+qSușO \ ȹeƌ#M!RH&3AQ~#aU#j \Ks4;<9GW +ET<pC7ҹ^s0XM7/=[ endstream endobj 28 0 obj <> endobj 29 0 obj <>/Type/Font/CharProcs 28 0 R>> endobj 30 0 obj <> endobj 31 0 obj [600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 318 401 460 838 636 950 780 275 390 390 500 838 318 361 318 337 636 636 636 636 636 636 636 636 636 636 337 337 838 838 838 531 1000 684 686 698 770 632 575 775 752 295 295 656 557 863 748 787 603 787 695 635 611 732 684 989 685 611 685 390 337 390 838 500 500 613 635 550 635 615 352 635 634 278 278 579 278 974 634 612 635 635 411 521 392 634 592 818 592 592 525 636 337 636 838 600 636 600 318 352 518 1000 500 500 500 1350 635 400 1070 600 685 600 600 318 318 518 518 590 500 1000 500 1000 521 400 1028 600 525 611 318 401 636 636 636 636 337 500 500 1000 471 617 838 361 1000 500 500 838 401 401 500 636 636 318 500 401 471 617 969 969 969 531 684 684 684 684 684 684 974 698 632 632 632 632 295 295 295 295 775 748 787 787 787 787 787 838 787 732 732 732 732 611 608 630 613 613 613 613 613 613 995 550 615 615 615 615 278 278 278 278 612 634 612 612 612 612 612 838 612 634 634 634 634 592 635 592] endobj 32 0 obj <>stream x=QI0|`̎S}J:Q Gmq7H//;Ey>ST*dTZB Xdr#Si9I1`*JPú l&)g&JJRӈ=vWd:i295D%9 ]$ 5$|-Ag | δh­:Dsvw#\όkT=SႎIÌx3P* ϷZ2h%Hz-v{*f,I$NV{jA endstream endobj 33 0 obj <>stream x5A b?DD@kd늂r^/7 8 -kCM%A;Ẽ:ڰA B endstream endobj 34 0 obj <>stream x=K0D9h9OFvzQEQkJR*ٛS4q7)f JAuӗaQzW tt+,JOEKX1b)z0Lk6QS" EJ7 PQ\Gom;A jlHHE/iB_uشg|ECݸGY1|js&L.ײ8V 4JXjKz]chjlehvex? o;JϞ7\}z<-琬B-6a,]9}~*=}F endstream endobj 35 0 obj <>stream x=;! C{N#?g36o%%[(:rxI;iN5p7co"SAkNEr*:刹 /N&i&'W$Pa=.uV bEiH0"Ř o\>{L3 endstream endobj 36 0 obj <>stream x=9v%1EZK3*;@p:q?E=iWIR՚ԘRICiI_q2.*2>d$8 ҙRd牬B, NOĞCn AGy,{iHߥ6dBT4?x5a SKm.Km/Yj\F~U|5)_jZ8ۗqYR_&hmE`P$8tFQQNvגCH6k>1!Okc!'Nj'.7kzu:a2Zm~4̱L8ǃz=Z endstream endobj 37 0 obj <> endobj 38 0 obj <>/Type/Font/CharProcs 37 0 R>> endobj 39 0 obj <>/Shading<<>>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]/ExtGState<>/A2<>>>/Pattern<<>>>>/Type/XObject/BBox[0 0 584.019 553.826]/PTEX.FileName(./figure3.pdf)/FormType 1>>stream xKOA +H؞(*UUiJExJPQD_^CBcxl(9ύܗDL_- Foj]YU GrSS1~.f""(VQZªp -9}.m0Tc8乤l2.[(oTwQT 2F=%؂wr:! QÀ @rwpPU41V]`'4+*]X( *^r;jd7F=^mǻ8 gA Džuʼ^jukt sVB!ZY8)wuO636=Тr9.? ۄUHh9a׃ +e L: LJ놰>( ﹮`u^9L: S6D+=ؐQm0gR$ 1ZPi+N:eQkjWV"v(:U\:Gkv5e*&TlZ-qڒ#uJy Ff!ˤ¹Vo' Xæ%c4;F[߮^\/΁+^r'׳pytrX spʒ=dWΏg{my|Lx?ȽR?A䴪#.8[cꨰKR=9c\N0bHxyh^5'"=z , m3geQӥהY-]nF+!xo2` "?=d3Mwv`1;R~$C}/j6٨/AUiG%t@f^Ym4!n(?wsM@rA|}6j/DEݮzP\oݻf(OOsm endstream endobj 40 0 obj <> endobj 41 0 obj <> endobj 42 0 obj [600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 318 401 460 838 636 950 780 275 390 390 500 838 318 361 318 337 636 636 636 636 636 636 636 636 636 636 337 337 838 838 838 531 1000 684 686 698 770 632 575 775 752 295 295 656 557 863 748 787 603 787 695 635 611 732 684 989 685 611 685 390 337 390 838 500 500 613 635 550 635 615 352 635 634 278 278 579 278 974 634 612 635 635 411 521 392 634 592 818 592 592 525 636 337 636 838 600 636 600 318 352 518 1000 500 500 500 1342 635 400 1070 600 685 600 600 318 318 518 518 590 500 1000 500 1000 521 400 1023 600 525 611 318 401 636 636 636 636 337 500 500 1000 471 612 838 361 1000 500 500 838 401 401 500 636 636 318 500 401 471 612 969 969 969 531 684 684 684 684 684 684 974 698 632 632 632 632 295 295 295 295 775 748 787 787 787 787 787 838 787 732 732 732 732 611 605 630 613 613 613 613 613 613 982 550 615 615 615 615 278 278 278 278 612 634 612 612 612 612 612 838 612 634 634 634 634 592 635 592] endobj 43 0 obj <>stream x36P0C. endstream endobj 44 0 obj <>stream xEK!CGp;.:l%(3{Lnd;0sJlLN\#T޼頉{DΣY jg.7ɭFiwyHT9λi Yմlk?*MlVWw'K~0%?Q|]7g'W&kyI_ʣq)$_SS{ginV9 endstream endobj 45 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 47 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 48 0 obj <>stream x32P0P4& f )\@B.H  %[B4AXf&fI8"ɴ endstream endobj 49 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 50 0 obj <>stream x=PC1= |7˥m$B6BLɔ:ʒ)O>Kbnd6%*E/% }ՖC4h9~ 3*K6p*3 mtV[ Ф`׶ r " JMrR=ot-N=Dkq: DpFjtaŲC5=kz7hGt4CָR endstream endobj 51 0 obj <>stream xE ! CT>՞0ABA";06Ѣ76իc,zRV鐇Pi0QąYLCaΘȖ2MlTv<e~ma, U^ ?KwUBS0 endstream endobj 52 0 obj <>stream x50{6X`KEoC|N/Z #pu#])Ec΂q_H1F=#O_p} endstream endobj 53 0 obj <>stream xMA "OPDtz_NE5jK02kP)U0\ 2IL{qIqzz"X endstream endobj 54 0 obj <>stream x36P0P040F@B!H Y@8&+ & endstream endobj 55 0 obj <>stream x5P C1g dVukm;aBXȔy)K>:L." u%ʚ +`p&^7`i5tႦ.B%|u{OxjrvC` jMX>stream x5Qq0 54sۿ @;a@dJ\UGM>`!S֖{&UF!}W2j]* UYFp&I8d Rӿccz endstream endobj 57 0 obj <>stream xE 0D{`~&f( JpO{:2Sa ,S`5FR죰n_uzS*Ovvq= endstream endobj 58 0 obj <>stream xMQmD1 \ky R]oC /)%K [UC?13,=?TPbht/"+ߏe s`&4`oI&ռ3d‰ATwM,3V7: lx%D`r Z`Q+ tĺv7C/਺x} K{,|BL;wI#fR:=b}@e+ (\* endstream endobj 59 0 obj <>stream x=RKn1)@Mr[T /1 %?ꒈ3L~r]Qljg!.6Xr_rњbO/ȴTXVݣC(-װr{d`Jn@CHYAaPl( WԬtb ) ٠[]aP[[xfޑ3qYk?=Q2QMg|2RCgB'`$Ip#A 1qOl)V;ޒ{,\L'ib?lK\+E(~Aq|XdDw#h% 0xyDhDԎ=(ͱ&{ǫvzcw. endstream endobj 60 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 61 0 obj <> endobj 62 0 obj <>/Type/Font/CharProcs 61 0 R>> endobj 63 0 obj <> endobj 64 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 1350 635 400 1070 600 685 600 600 318 318 518 518 590 500 1000 500 1000 521 400 1028 600 525 611 318 401 636 636 636 636 337 500 500 1000 471 617 838 361 1000 500 500 838 401 401 500 636 636 318 500 401 471 617 969 969 969 531 684 684 684 684 684 684 974 698 632 632 632 632 295 295 295 295 775 748 787 787 787 787 787 838 787 732 732 732 732 611 608 630 613 613 613 613 613 613 995 550 615 615 615 615 278 278 278 278 612 634 612 612 612 612 612 838 612 634 634 634 634 592 635 592] endobj 65 0 obj <>stream x5A b?DD@kd늂r^/7 8 -kCM%A;Ẽ:ڰA B endstream endobj 66 0 obj <>stream x=K0D9h9OFvzQEQkJR*ٛS4q7)f JAuӗaQzW tt+,JOEKX1b)z0Lk6QS" EJ7 PQ\Gom;A jlHHE/iB_uشg|ECݸGY1|js&L.ײ8V 4JXjKz]chjlehvex? o;JϞ7\}z<-琬B-6a,]9}~*=}F endstream endobj 67 0 obj <>stream x=;! C{N#?g36o%%[(:rxI;iN5p7co"SAkNEr*:刹 /N&i&'W$Pa=.uV bEiH0"Ř o\>{L3 endstream endobj 68 0 obj <> endobj 69 0 obj <>/Type/Font/CharProcs 68 0 R>> endobj 70 0 obj <>/Resources<>/Shading<<>>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]/ExtGState<>/A2<>>>/Pattern<<>>>>/Type/XObject/BBox[0 0 588.175 553.826]/PTEX.FileName(./figure4.pdf)/FormType 1>>stream xݘMo0 j%ΫX|K8F_8oԙ~-|WWF&H]X%fz`֦va&ڇq9CۅUR{`WM:=P~IkHZJш!dmI,$Z^*='fkCϞ ˬXKei.;]LfUHuxB)eU{Qz 9KmWvcF.)G,aZ@74V6;F B eh5c`#3ַC4Hau >C* ʐ[2 dht 8aӧk`uG]yj vgYcJ0+b厳fyZlXMΔT r3{ _'L.OlzΑcvEg-&4\6siDPi·hpЩN$4iQ |8>:qa㴻R) bcW "@: W8v^f>7p9 /:~t\p > endobj 2 0 obj <> endobj 3 0 obj <> endobj 4 0 obj <> endobj 5 0 obj <>stream 2019-03-19T08:53:56+05:30 2019-03-19T08:53:32+05:30 2019-03-19T08:53:56+05:30 TeX application/pdf uuid:0c5fd8f3-b51a-4f5a-9fab-df70f7b23469 uuid:35433754-42e3-42df-b825-74b65fb2cc70 pdfTeX-1.40.18 endstream endobj 6 0 obj <> endobj xref 0 7 0000000000 65535 f 0000021880 00000 n 0000023071 00000 n 0000023159 00000 n 0000023235 00000 n 0000023287 00000 n 0000026689 00000 n trailer <> startxref 116 %%EOF 6 0 obj <> endobj 8 0 obj <> endobj 10 0 obj <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/Type/Page>> endobj 147 0 obj <>stream 2019-03-19T08:54:03+05:30 2019-03-19T08:53:32+05:30 2019-03-19T08:54:03+05:30 TeX application/pdf uuid:0c5fd8f3-b51a-4f5a-9fab-df70f7b23469 uuid:3050117f-8696-4f0b-92a6-5e8607de39f9 pdfTeX-1.40.18 endstream endobj xref 0 1 0000000004 00000 f 6 1 0000027014 00000 n 8 1 0000027143 00000 n 10 1 0000027220 00000 n 147 1 0000027456 00000 n trailer <<6304F58FD3E49A4CB19877A2ACFE3CE3>]/Prev 116 >> startxref 30860 %%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.