<'ink rel="asli - _bGoogleta holar ext/ccomergin-left:8px">- _bNASA ADS ext/ccomergin-left:8px">- _b
  • rel="aiencedkey=01629749"> ="ciiencedoi/01629749"> ss="clea p">p">
  • < -tellar dulatio ($) /h2>RulationArel="as

    javascript"> jQuery(function ($)) { var source = fu $(d"tuAstr).rer> var sou( = fu $('. -toggle')etsick var sou( = fu v explllapse_w.aanda_="textor = $(d pr).attr('tand');p v extoggle_s ch = $(d pr);p $(plllapse_w.aanda_="textor).toggle var sou( = fu ifrce(d pr).css('d="Apri') == 'nick')fu toggle_s che="ci('More');p elsefu toggle_s che="ci('Less');p });p AU});p });p });p nk rel="alt ass="searchb j
    3 3ttp-equ
    by ts — VIII. A giaeys
    v)))))ass="searchb ))))))))
    v)))))ass="searchb ))))))))197417055">1ttp-equ
    v)))))ass="searchb v))))v)))) v))))) ))))))))5 5ttp-equ
    v)))))ass="searchb ))))))))5 5ttp-equ
    v))))) v))))) )v))More div> p">

    ))< ))) _b ar A', 'pe="text/jav/T tie/ellar companion around a very young T Tauri star"> _b ar A', 'pe="text/jav/Weibo/ellar companion around a very young T Tauri star"> /hvg">v)))))a substMsurvler <="/temp)))))a> th th _b ar A', 'pe="text/jav/CiteUlike/ellar companion around a very young T Tauri star"> &lBibSs pre& ontsick _gaqontsh(['_ntenk> ar A', 'pe="text/jav/BibSs pre/ellar companion around a very young T Tauri star"> ss="cle p">
    Advanced Searerviprs/"uthent subs">ss's serviprs Advanced Searerviprs/?label=toc_emacitathent subs"> /nav> ss="cl p">
    andeau"> >p)a 2bltiv)) )v))v)))))
    v))))) ))))A&Av))))) ))
    v))))) )))
    < that >V"> < that >600, a name="pr ))
    v))))v))))) ))v) v) v)<v)v))))) v)))))Arel="a Numberp)))))a/thiv)))) tv>ibtdiv)))) tv>A84 v)))))) v)))))Numbermpan (s)p)))))a/thiv)))) tv>ibtdiv)))) tv>6 v)))) )) Sellar a/thiv))) tv>ibtdiv))) tv>nd evolution"> ibtdiv))) tv>v))))05 a name="prv)))<v)) )) > Aiences 600, a84 (="pr) j
    meta name="ciiber Authup 2disup thup ,3disup , thent "/cor < name="ciiber Authup 5disup , thent "/cor ame="ciiber Authup 4disup , thent "/cor eta name="ciiber Authup 2disup thup ,3disup , thent "/cor –ta naame="ci
    legre, 44name="ci
    legre, 44name="ci
    v pu
    v pu
    p>from a near-infrared multi-epoch spectroscopic campaign to detect a young low-mass companion to a T Tauri star. AS 205A is a late-type dwarf (≈K5) of ~1 <i&thent subs">≈iber AuM<i/thent subs">~iber Au1/thent subs">M⊙ibeub>iber Au riple system. Independent photometric surveys discovered that AS 205A has two distinct periods (<i>P<i/>thent subs">P1ibeub>t;P<iber Au metathent subs">P2ibeub>t;Palysiiber Au he light curve that persist over several years. Period <i>P<i/>thent subs">P1ibeub>iber Au to the axial-rotation of the star and is caused by the presence of cool surface spots. Period <i>P<i/>thent subs">P2ibeub>iber Au the modulation in AS 205A brightness (V) and red color (V-R), consistent with a gravitating object within the accretion disk. We here derive precise near-infrared radial velocities to investigate the origin of period <i>P<i/>thent subs">P2ibeub>iber Au to correspond to a cool source in a Keplerian orbit with a semi-major axis of ~0.17 AU positionedthent subs">~iber Auclose to the inner disk radius of 0.14 AU. The radial velocity variations of AS 205A were found to have a period of <i>P<i/>thent subs">PP2ibeub>iber Au ometric observations (<i>P<i/>thent subs">Pm2ibeub>iber Au sin thent subs">i≃t;i/>MJupibeub>iber Au with moderate eccentricity of <i>e<i/>thent subs">e "> Currndaeng m(<s dbuttour vss="clete/div> <"metli/ - com(<s-alm>
    vte/div> <"metli/ - codiv cl dp>Currndaeng m(<son wi ovmsuggei&g the pnd trel="a View>a297-textk rel="avar AoundcludbrowHTMLear Ao, PDF meta Pub downloado, at trdbrowon of thvail2blt; ) metaAcontents View&gourVision4Phead>go_a D ol source in a ng ok. We go_aation=afterm na5he crocurrndaeng m(<sof (vail2blt;48-96d iue eaftermt="201 ntent="Astrhe preseupdationdaily ok.week he lribp d
    v)))dp>Ine=" 312ownload ation fm(<som/scrak>w="ciribp ))
    v)tiv> tiv> e="text/javascript"> jQuery(function /images/logo_aa.pcss" rejs/m(<s-tab
    'GEm_arolr/> ">
    div>v /div>v actiotrs="wra
    srolli> _bCDS _bAdvanced SearssP St tent="A> _b schny, Cs/20e=>
    eatiotrs="w 6 white subs">More oci ="ciiencedoi/il
    v ext/ccod="Apri:nick"> athent "/cogoogle_ss-cott;st/ - osa> lesc/ -dometa> les/aa/abs/20&/ -t1="UA-39520934-1i/ -t2="UA-5187131-2=">