EDP Sciences
Free Access
Issue
A&A
Volume 550, February 2013
Article Number A113
Number of page(s) 12
Section Extragalactic astronomy
DOI https://doi.org/10.1051/0004-6361/201219700
Published online 04 February 2013
-i>Ru-i>SWcti>1/-i>SWcti>2)mpot ann rup&2.&lnu"> <1.3nu8722;2.4lar si tada.oralion ices 08 i-ico-account">mg-i/aa19maKinematics o-eq41.pnger's servnu"> <&#"> <&#"77;nu"> <&#"> <&#"77;nu"> Tt;is.es ac anifdou">Hodly relatipeed s10-pc h of obtained a<henu"> Simiditioorph Stay e NE hotspot ansmsti1ule-ed speed pp5araac anif mas-s;Aie/dou">Hn tes/aa/ sucrathe3Cnu"> A&A 550, A113 (2013)

Kinematics of the R27paLaLBA)1981etri;e>A&A 550, A113 (2013)

Kinematics of the R20paHardcastls rstellLorat/10.01etri)70hwe8 inclued speen ususllyyin a northeast;i/&tt a miled speedislrh> matti diffus a0a197=ows ed wous9obtained slar rte p/&glenoaytv> m ojectdou">Hn dly relatipckdgeed s10-pc nu 55ar% g pc<hea n:70p 1p>n -bibservices/e s -rvice-iype:svene;"/component/a
  • (1).7BlockLBA) anial ing /201dyoung radio sourfn to cti>stIpeedinascend won7 ro jeti(n a nstct 217;s drtll p/&gl:e>A&A 550, A113 (2013)

    Kinematics of the R43paScheu Nn 1982etri)atTd stt a miled speedislalsocurrr"tti361/20 ing-ISMace. I ofcond miled speedres.es a rojectp 62%tt a miled speeuthwest lssvew%fati n ovwayat70p

  • 08 -/li>
  • (2).7Je2%ttectemaa1cti>stTt;is.es at1arrow. do te bv ussg, Pe mtnguis.> hwe08 Nvao itale ing beam lssttectematae(>A&A 550, A113 (2013)

    Kinematics of the R8paCoxfltnu"> 1991etri)murc"fa da8 ia8 ice.VLBsivsllyy-lobbeamzl(>A&A 550, A113 (2013)

    Kinematics of the R28paLaLBA)198>etri)mdugt;Conclusimiditi dly relat0a19ed sabs ac anifas supplebs a radial dly relat0a19ed snu 55uslaOne> oemable drtvi aonc ismanifje2%ttectemaa1linaassociacsovt 8.4a biS90pxblfurtho>H> omages0hwe8 inclublfurtho>Hf unchitaneseaing /thea es thei>of 255lt 8.4e ra cicmo> eseaourr hoti aISMa-1<supsti1uleldly relativfl cicmieethat thetyiine kn locda.or oT/kitaneseabr thaensincl st;i/&tt a mil(currr"t)l an in2l st;i/&ofcond min (older)yiine k) anial ing beam(s)ent="<adio sourfn to , alsoolderled speedhthn t opp5dt is tvi a<i/>lneray kiney(CSO) OQnu 55us,gle asynchron roLBA)willn ivistic jet.t f tnematicda.org/aetalter (Cticles/&gstIp rate in2l/thea t f n tda.oralion rxciho-ain3/02f in2linatar aldled speeutit 7=oul0 list jhitdt;i/&tt a mi> dly rel incdiiinly a maximum ld aNE1a ing beoti abs a radin2l an incat70p

  • 08 -/li>
  • (3).7Re<i/geoy owscti>stAlio sotheiny,)/li>ofcond miled speedres.es a r> ei08 Nvaore-dit;i/geoiutfa hr;r tfnadi33(CSO) OQpt a miled speedu-head">A&A 550, A113 (2013)

    Kinematics of the R27paLaLBA)1981etri)murcanteo ing fa hr(>A&A 550, A113 (2013)

    Kinematics of the R31paLordals rstellBal ofl)1986etri)mes;Api33(CSO)a> h idep_infspot anscocora/h of obtained . Dhat thety(CSO) OQp/&gl (1),t;i/&ofcond min ed speedinep/&gl (3). contenessg, is tve>lneray kiney(CSO) OQpt a miled spee.> Tda8 for"utit woul0 l 62% ( splawoul0 te bg=ow)tda.oralit fn"> GHz,bermucrn face. I GHz,leig. <i/>;onn;i/>%u 8.4 andnu 55us,gbut97=ows asc llhme geobr dis aximutionstit w 8.> NE1.ANE2linaglso  masrity vcor org/las ot aoorph us9ohaedstTt;secmorph Stat;Ain chaaa19erenoakeANE2lmor">of tnytntifieite iisticacthere-dit;i/geoiutfa hr(CSO) OQn pt a miled speedcor ity va <i/geoy ow(CSO) OQnu 55usat70p

  • 08 -/li> he l contenousn ls supplebs a radiis advancingates an inclascope wer (Fig.nu"> <-l#abs">Abstract
  • <-l#abs">Abstract
  • < l#abs">Abstract
  • le aarbr thaneigl andaed anif3.4nu"> <×nu"> <10A1r> 9i, nu"> le a mg-i/aa19maKinematics o-eq47.pnger's servile aarbr thaneigl andaed p>

  • -i>Tc70b>-i>bcth0b>nu"> <≤nu"> <1.9nu"> <×nu"> <10A1r> 7i, nu"> <&#"> <≤nu"> <3.0nu"> <×nu"> <10A1r> 7i, nu"> Lackitaneseatda.oralion rxc the radio ,t;i/&361/20 nu 55us ojectparatg-timon rate > ndaed anifJ3d ema ntve OQpi>AimThied aa>n -b < 0121iv> "specialmidd t"ichead">A&A 550, A113 (2013)

    KiF2
    -head">A&A 550, A113 (2013)

    Kinematics of the R45pa,3, A&A 550, A113 (2013)

    Kinematics of the R51paWaltmanfltnu"> (1991)mg sAa/abs/sova &eithaswo anesea8.1 wer1 g Baseline A(CSO)apondnu"> <2. nu"> <2.0nu"> <1989e also g Baseline Ahtheeseniconsta"t sr hotnu"> <1.9nu">

    Furc le a < lon700- g Baseline Ajectn t f13 (ynconsicsn2%u 8.4 anduotalnu"> < g Baseline Aject The l cpad ws t anesea700- ns n itale-disho2/aasnlso c), abosrming aiois. A knoteper suba&2n (>85%)s anu"> < lonuotalm g Baseline A r tfnado/ (CSO) OQcoine kn data tbtained at70p 1p>To qunotit theinyteompoinf<;i/&vd wibilatylaw rce.V1970 ova vd wibilatygon rx> Ve anillu2/aaA&A 550, A113 (2013)

    Kinematics of the R56paZhaosltnu"> etri):c-mg-aqu53 pmaKinematics o-eq52.pnger'aco-account">(2)nd

    -i>Sc70b>maxcth0b>e -i>Sc70b>mincth0b> 08 inclumaximo 0a1n forimo g Baseline A anet/ceullidusleetersatAcompon <-i>Vnu"> <0dres.es a r> ceul mtnguis./">Homnshota h/">Hovd wibilatylar-8" i>Vnu"> <1tlobe is recnn lx> matned wibilatygTOQd5 wer1n thatc> <-l#abs">Abstract
  • <=nu"> <0.62nu"> <&#"77;nu"> <0.12e ocor duVLBA)/li>1998>eters le aarmild> Vnu"> <=nu"> <0.19nu"> <&#"77;nu"> <0.04e oinclduVLBA)/li> <-l#abs">Abstract
  • Tt;ied wibilatyglkA8-GHz, 4.5nu"> <-l#abs">Abstract
  • <&#"77;nu"> <4)%4le nu"> <(40nu"> <&#"77;nu"> <8)%,4e ra ciheiny.> Td s5 wer1ed wibilatygs;Aie/i2 wf tity vatnu"> <8 le nu"> <14.5nu"> < 755 mJymip ull9cmoAnu"> < 854 mJymip ots1i(n Bruyn,apriv.fpepm.)uthwest lsn t;i&g(ynconn hot u 8.4 andgrow8.4; A lonaavaall tes/aay/aa2er70p 1p>Tt;i of 1.53tnytloit Lo -yaotn dter/articles/ gmes:70p 1p>n -bibservices/e s -rvice-iype:svene;"/component/a
  • (1).7 esea paicl tes/aayknobbe siinly.exs.essme thn 08 -i>Sc70b>-i>nu957;cth0b>nu"> <∝nu"> <-i>Tc70b>bcth0b>nu"> <×nu"> <-i>An7Sc70b>-i>nu957;cth0b>linatar ng Baseline Ang an> ptivsllyy-wesk)articles/ -i>nu957;, i>Tc70b>bcth0b>linatarp>

  • nu957;, r-8" i>Alin> eseaourfac ia8 a aneseaadiondgeoobtained The l contenous9cecthas & aneseaetux> seline A(CSO)1.4nu"> 08 -/li>

  • (2).7 loemw.dsioysu dory inkn ro>Holoit Lolneray balaac anifnd th d1&l A&A 550, A113 (2013)

    Kinematics of the R45pa,3, A&A 550, A113 (2013)

    Kinematics of the R35paOraonti ltnu"> A&A 550, A113 (2013)

    Kinematics of the R37paOraonti rstellDallacasa> <12etri)atTd srma ba;A expanupplewoul0 tw adanlyy55ao4inia &eithaswopot ann ptivsllyy-we ofcth t aneseaoda.oro T/swrefplatar tes/aaydoes te bg=ow)pro fnmotn vd wibilatygascope weruthwest neul0 ghancaximum lntes/aayNE t tll paicl ateit'h> rticles/ d1<ng anyo - ante;i g Baseline Aed with t iE tghargeoiutdyoung n pac eat ci.t70p

  • 08 -/li>
  • (3).7 loemw.; Tt;ied wih255n A lond5 wer1 g Baseline At 8.4esea cparatedo/aa2n(Fig.nu"> <-l#abs">Abstract
  • eseaeters p ideandd. Si 1998.313,>lobe is a maxwopojs h255l an pstractoharp deithas & anese> g BaselineytyCSO)nu"> < 900 mJymer 1998.313cmoAnu"> < 400 mJymer Figed nu"> <-l#abs">Abstract
  • mg-i/aa19maKinematics o-eq50.pnger's serv> u 8.4 me,s. itanesead5 wer1MOJAVEs at 1ns 8.4 werdRRFID12/aasng t;i>d. Si3;> Af yesea 55ar%ulliupplenr hot d. Si Tai3m kinel s tt;iidea 7 scribpdtabovgtaximum ln g Baseline Aed with t aned speen 08 s/ cor iE1 igule geobyopo.ermticsn2%nu 55ar%fe earl. Ww adial8 ia8 inoomnsleiglfrtshn ris the hotspe rtp:/i5:trttwo mini- t advancin, nd ol0 e rtp:/ouff tyCSOn tynchron roLBA,gle and tda.oralion rxc t nd optivslly--we pstr&t fnhat70p
  • 08 -/li> ,3, e rtp:/nema thrl nt 5nu"> , le aan e rtpin fe mostnt 5nu">

    -i>Tc70b>bcth0b>laE1-ico-account">mg-i/aa19maKinematics o-eq65.pnger's serv TU itanesen sttp:argutml#S,ott;in fe most ane rtp:/nema thrl nt 15nu"> <4nu"> <~15nu"> < s u(CSO)1983t;i& 998); 70p 1h3ml#figs"sec2
  • => ro jet anFig.nu"> <-l#abs">Abstract
  • < < mg-i/aa19maKinematics o-eq66.pnger's serv> menchi&gn as ot Methme geitoringp ided. Si, ceuhwest eseaunfirGHz y NE1 is.es a te matesen sceitf LBA) anial p ided. Si/02f ring data g Baseline AenhodesmtedAceubohttdly relatiEn sssociacsovt 8.4td s etd.isobe nu 55ar%361/2aty,4eseaa/abs/a oitymum ln gad anifican i2 5ao jet tymu aninclmat>ico-account">mg-i/aa19maKinematics o-eq67.pnger's servnu"> o thatbs a radial iis advancing re raonds4inia nema llthat the n an -ico-account">mg-i/aa19maKinematics o-eq67.pnger's serv> n thatyluxs,eo nu"> <-ico-account">mg-i/aa19maKinematics o-eq68.pnger's servnu"> Aunto a maximum lnuwomnalyzlers oiv>
    (of 1.53 pcnu"> < 9.5nu"> dj hot er td s etcenocatylar- ceclinit255lght trave;i/& datan t tained a<-ico-account">mg-i/aa19maKinematics o-eq69.pnger's serv> oaytbr deriondlbs a radial ) diande andht onis>o thastTai3m;Aicule ppleo), abosrming tha> ) diaxi is>henu"> thte (S hs.nu"> <3.an le nu"> <3.4); 70p 1p>/swrefplatalssiinlrcit255ltpp5arsmntifiene olrc2%u 8.4 andoptivsl tda.oro useA n in a norcit255l anhenu"> A&A 550, A113 (2013)

    Kinematics of the R7">Burb dis rstellSA&A 550, A113 (2013)

    Kinematics of the R5">Antonu ci 1993etri)70esen Type-IoAGNzl7=oul0 hav yr- ceclinit255lght trleiglity v70nu"76;l(>A&A 550, A113 (2013)

    Kinematics of the R55paZhaa m A&A 550, A113 (2013)

    Kinematics of the R30paLiufltnu"> inclnifapondi10.97nu"> div> eaneseabr thaneigladiv> <3.a),t;i/&pi>Aim/.<i/> A lonISMaknobbe constrafnm two n sda.oralifitl anfrte-arte absor ogivgsva &lat theta ll pac > Δ<-i>nu964;c70b>ffcth0b>nu"> <=nu"> <5.3du-head">A&A 550, A113 (2013)

    Kinematics of the R23paKhrenosltnu"> <270unu"> -3i, scitaeanu"> <1.53nu"> e rtpi andaed aNE -i>Tc70b>ecth0b>nu"> <=nu"> <10A1r> 4i, nu"> clumpyrfn to )t;i&v> m ojectfrte-arte absor odisc isesuy o70p 1p>n -b < 0121iv> "specialmidd t"ichead">A&A 550, A113 (2013)

    KiF3

  • <0.02nhth)t aneast neparatedoanddast d. Si ta/dusthe oha thai > axwopoullidusle2/aasp_inf e 1/-i>nu963;A1r> 2cth019)atTd sfi r> givm<;i/&sf 1.53 p aa <&#"77;nu"> <0.002 masnu"> -1cth019n (et=34nu"> <&#"77;nu"> <0.009nu"> <or";nu"> <-i>c, SW1nu 211;cor),n 0.022nu"> <&#"77;nu"> <0.002nu"> -1cth019(et=08nu"> <&#"77;nu"> <0.012nu"> <or";nu"> <-i>c, SW2nu 211;cor) ns n nu8722;0.034nu"> <&#"77;nu"> <0.00 nu"> -1cth019(et=68nu"> <&#"77;nu"> <0.005nu"> <or";nu"> <-i>c, J1nu 211;cor).> Po liivgtcenocatiezl<incl an in2lois. Ay.ors result iof 255lsu bohttdly rela two n negaiivgtcenocatym J1tlobe is reaximum lnpo.er5sleje2%movessg,r resolve fnsleed speen corstTt;isf 1.53 p J1tymum ln irsr a dictd. Si3,. 995.266,. 995.395, org/1996.375,n 7=ows asom adr, ah255A(CSO) OQgeneril tthed aneseah/aasp_inf ebeyorg/1997atDuVLBA)/lcn fticLBA)pro ,fdou">HounfirGHz w>tl8 iasois.theg, ialse h/aasp_inf epo orderlno> ntb70 iali oha tha r-8"axussg, avoi aarbia2lob70 ovmatialse  masadr, ah255a two n sf 1.53 p co2nu 211;corAc2apond 1.2 mas,iande andht oar% grtemaa1lfitl&i0 te bgivmof 255,ibecaus.&co2y7=ows asois. A knote rsnsversHoof 255l.53hf tity va> nema llof 255l(Fig.nu"> <-l#abs">Abstract
  • 4etri)sp70p 1p>Liufltnu"> <&#"77;nu"> <0.038nu"> -1cth019, d riondl(CSO)8.4 werdh/aast 8.4anlyysixdd. Si3n bs a rad1994 org/1997atSubsticletny,)Luofltnu"> ompon> aonu"> <0.031nu"> <&#"77;nu"> <0.006nu"> nu963;),rgtneseaaraiys anhe ( spe most co-a(11nu"> <8.4 werdwork,<;i/&currr"tep.<>of 255p>

    unecytloit Lo LBA)ways: (1).esead5nu"> <×nu"> <0.6nu"> 2cth019), whilm)/li>p.evwousp>

    <8.4nu"> <×nu"> <1.0nu"> 2cth019)eaximuisy Hn t 8.4eseaof 1.53 p bs a radincl an in2o Atnu"> <8.4 werdtt;is11/aa15zl<incl an in2lad p>

    aruee ojectnel of 62% (NEyhwe8 inclus11/aa15zl<co2y an J1t08 iaat cif1dyoung a g Bn &eline Ale as tained aed with t://wwcorstAt 15nu"> < openu"> < s ( spe hr- aximuin)Luofltnu"> p.evwous9work3; (4)gTOQd5 wer1700A12/aasnrov desbs tspeaotsa/re unnoorm/-i>u,v c of rowe hr- axe)8.4 werdh/aasp70p 1p>=> ro jet anjectnewvghased tml# an -i>nu956;nu"> <=nu"> <0.027nu"> <&#"77;nu"> <0.002nu"> -1cth019e oincnu 211;corA14-i>nu963;n &eas h255),t;i/&/> Arcax sa<henu">
    <&#"77;nu"> <17nu"> A&A 550, A113 (2013)

    Kinematics of the R40paPos thdis rstellConwa i A&A 550, A113 (2013)

    Kinematics of the R19">Gugliu ci ltnu"> A&A 550, A113 (2013)

    Kinematics of the R18paGiro>Htti rsteln Pos thdis A&A 550, A113 (2013)

    Kinematics of the R4">An ltnu"> etri)sp70p 1p>=unto a mequsl a result icenocatiezl ocor an inc,maxwopo.er5sleje2%Jclinaamue a anmoven 3.5e mossef 62t; (vc70b>J1cth0b>nu"> <=nu"> <0.2enu"> A&A 550, A113 (2013)

    Kinematics of the R49">Taylmn ltnu"> A&A 550, A113 (2013)

    Kinematics of the R4">An ltnu"> etri)spWhilm)/li>nematinalyzlsw thecrmbaont9ISM,4a on rate > movesse le ex ave me c nelmt 8.4a nts theolyut wf tISMa&eline er70p 1p>Tt;i/> Arca 1.5ntoengt; A lonhenu"> mg-aqu53 pmaKinematics o-eq94.pnger's serv\array ep1.75pthwe8 ,n -i>nu946;c70b>appcth0b>linatar apparr"tera edA anial ing separated,n -i>nu946;linatar ce.VLBsiv ing ra edA(bohtte unndsg; A-i>c),n -i>nu952;linatar ceclinit255lght trbs a radial ) diaxi ande andht onis>o tha,n Γlinatar bulk Lorr"tz>f361or, r-8" i>nu948;linatar Doinemr> th a >f361or.> T/kitaneseaapparr"tera edA anial ing ate bJ1n (-i>nu946;c70b>appcth0b>nu"> <=nu"> <0.=68nu"> <or";nu"> <-i>c)ande andceclinit255n sngie/(>i>nu952;nu"> <=nu"> <80.8nu"76;: S h.nu"> <3.3)o minia> law robGHzn -i>nu946;nu"> <=nu"> <0.=66nu"> <or";nu"> <-i>c, Γnu"> <=nu"> <1.014 ns n i>nu948;nu"> <=nu"> <1.013stTt;sec;Aicule ppl2lobe iseaarmildtimes the hotspflow)Hzn acnu"> HoloiP fnitaneseaoabs/son dat thei>ande/> Arca ro f tiez; 70p 1h3ml#figs"sec2
  • een the twot anject result iof 255lsu m lned speesdihenu"> o dewaysn of 255. Figed nu"> <-l#abs">Abstract
  • 4etriahe sioysn wo-dmosnupplAim/lo r> ; A lon700-1 eparatedsct 217;/nts theonlocda.or oThQpt a miled speedcorAc2ustheast;i/> ntt the n ymum ln(0,or";0)nu"> irsr halft anese> peraodnu"> <1996nu8722; peraodstTai3m;omma1lfehied aa> 7=ownsh th),dcorAcp rat f s f 62, ceunrmiush(-oiv>
  • 4etri),gbut9generiltii2%movessg,eed s esre epomscitae and;onn;i/&t int oncornu8211;in2n t 8.ipeed sp 62% upt radyluxs; 7head">A&A 550, A113 (2013)

    Kinematics of the R52paWaBA)atnu">

    of 255aa> <&#"77;nu"> <or";0.020nu"> -1cth019n aratorgtnfheo-d. Si 5 wer1ject.tTt;irvghased tml# nndicstt 8.4 upsn (-i>nu956;nu"> <=nu"> <0.022nu"> <&#"77;nu"> <0.002nu"> -1cth019)mt 8.4a mucr ltero r> unecy o70p 1p>n -b <
    0121iv> "specialmidd t"ichead">A&A 550, A113 (2013)

    KiF4
    Kinematics o-fig4_small.jpgpaetric04-63iv> A&A 550, A113 (2013)

    KiF4
    Opepct 8.4DEXTERetric04-6i/0121i Tt;ild speedco2y7=ows aoaapparr"teof 255lg,eed s esre epo,se le oin11/ae <i/255l an ial ) dia resusatAsodiscussme ceu3 h.nu"> <3.a,ANE2linaof tnytaild speedgeneri te matesen defl cif1d) dihticLBA)ial wall <i/&gurr hoti aISMspWhilm)/li>ed speedcorAc2 result n f 62t; ity vco2,ANE2litselftm thatbsTt;iwaotarLBA) anial ) diheadsocor an inc,masrwp>,nast;i/ he murb30% (NEys tained au 8.n defl cif1d) dimn dou">Hoed speesdinrov des;i/&gecihied aa> A> ro jet anject-i>aru2/aa<255lp/&gl,nject resueiof 255lsu m lnnematinalyz> mence ofnf1dyoung agurr hoti a&elilnISMadugt;Cotar ce.VLBsiviltilow)je2%t wf , ojec> ntb70 255lsr ctem 255lsu m lnje2%t wf ; A)critivsl nticiretml# oavabssg, evby to minp>

    ; A loned speed 1&l A&A 550, A113 (2013)

    Kinematics of the R24paKawakhie rstellKinon ( A&A 550, A113 (2013)

    Kinematics of the R25paKawakhie atnu"> cs e aximn ial abssknobevby tobeyorg/t lnISM-IGM b hotaryga><;i/&ed62%051/0 stJ diflowsau 8.n cenocatiezlbelowmaxinatartshol0 becesetimeast eseaISM-IGM b hotarygaotn dav yr he mel te morpholog er70p 1p>Tt;ip.es at 2/aass=owmaximum lnnematic studa<henu"> a result icenocaty/i2 w.tThe ematit wf a<henu"> Pc70b>d.4nu"> nu"> <=nu"> <10A1r> 25.0i, nu"> -1cth019eu 8.esrn re 0 255l oject -articles/ lbsor ,bsioult iittloit Lo -ing-t wf a gmel(>A&A 550, A113 (2013)

    Kinematics of the R2">An rstellBan ofr">etri)spAo -t wf aabssof tahenu"> nts theolyuhasLtitecenop hydrody hrrcaourfac iinstabilatidy ipeed sjeeuthwest oakesntha> ) dia/re of tnyt;Colossloftml#o TIf asois. A knotefI <48uthwest htheal A&A 550, A113 (2013)

    Kinematics of the R53paWilkinson ltnu"> A&A 550, A113 (2013)

    Kinematics of the R54paW reall ltnu"> A&A 550, A113 (2013)

    Kinematics of the R16paFeBA)atnu"> A&A 550, A113 (2013)

    Kinematics of the R3">An ltnu"> A&A 550, A113 (2013)

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    Fig.ot=;1Total intensity image of OQ 208. Panel a)vshows axe)2.3-GHz VLBI image, vvdisplaylt ia double-component morphology. Panel b)vshows axe)tapered vv2.3-GHz image. Txe) xtended emission at  ~30 mas west of axe)primary a tucture is vvlikelyia relic rematiemission resultlt ifrom axe)paom /cArvity a few axousand years vvago. Panels c)vand d)vshow axe 8.4 and 15 GHz images. Each vvmini-lobe is resolved into two hotspots. Betwee- axe)hotspots NE1 and SW1, a knotty vvj diis detected.

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    Fig.ot=;2Vd wibility of VLBI components of OQ 208. a)vTotal flux density vvvvvd wibility of OQ 208 observed with axe)UMRAO 26-reter rematite550cope: 4.8 GHz vvvv(black), 8 GHz (red), 14.5 GHz (blue). Txe)sum of 15-GHz flux densities of axe)VLBI vvvvcomponents (see Table 1) is represented by gree- symbols indicatlt ithat  ~15% is vvvvmissed due) o lack of short uv- seclt s. b)vTemporal vd wiaa15s of axe vvvvflux densities of VLBI components. Txe)flux densities are derived from axe vvvvmodel-fittlt iresultsvlisted in Table 1. Two vep;A al lLBes mark axe)peak epochs of vvvvNE1 (around ma98.313) and SW1 (around ots3.313). Toaccearlyishow axevvd wibility vvvvbehavior of SW1, txe)flux densities of SW1 havevbee- multlplied by a f/cAor of getp>

    c) Vd wiaa15 of axe)15-GHz flux density of axe)hotspotvNE1 with axe vvvvcomponent size. Txe)flux density of NE1 experor" cd a slow risevbefore epoch vvvvma98.313, followcd again by a sharp declLBe until epoch d) Temporal vd wiaa15 of axe)spectral ind xp>

    of axe)NE lobe. Txe)spectral indices are alculated from axe)15-GHz MOJAVE data and> 8-GHz RRFID data ataccose epochs. A sharp jump of axe)spectral ind x occurs around> or06, after which axe)spectral ind x steepe-s signifA antly.

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    Fig.ot=;3Res thve)propervmoaa15s of VLBI components with respect) o axe)brightest hotspot vvvvNE1. Txe)propervmoaa15s of axe)VLBI components are determincd by lLBear fits) o axe vvvvseparhaa15s as a funcaa15 of aime. Txe)angularvseparhaa15 rete is alculated as vvvvvvμ(J1) = −0.034 ± 0.001 masot=;yr-1, vvvvvvμ(SW1) = 0.027 ± 0.002 masot=;yr-1, and> vvμ(SW2) = 0.022 ± 0.002 masot=;yr-1. Txe> hotspotvNE2 does notishow signifA ant)propervmoaa15.

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    Fig.ot=;4Res thve)right ascension and declLBiaa15 of axe)VLBI components. Txe)primary> hotspotvNE1 serves as a d"> the n positi .

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