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首页> 外文期刊>PASJ: Publications of the Astronomical Society of Japan >Determination of three-dimensional spina€“orbit angle with joint analysis of asteroseismology, transit lightcurve, and the Rossitera€“McLaughlin effect: Cases of HAT-P-7 and Kepler-25
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Determination of three-dimensional spina€“orbit angle with joint analysis of asteroseismology, transit lightcurve, and the Rossitera€“McLaughlin effect: Cases of HAT-P-7 and Kepler-25

机译：结合星震学，过渡光曲线和Rossitera“麦克劳克林效应”确定三维脊柱轨道角：HAT-P-7和Kepler-25案例

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Wedevelopadetailedmethodologyofdeterminingthree-dimensionallytheanglebetweenthestellarspinandtheplanetaryorbitaxisvectors,??,fortransitingplanetarysystems.Thedeterminationof??requirestheindependentestimatesoftheinclinationanglesofthestellarspinaxisandoftheplanetaryorbitalaxiswithrespecttothelineofsight,ia??andiorb,andtheprojectionofthespina€“orbitangleontotheplaneofthesky,??.Thesearemainlyderivedfromasteroseismology,transitlightcurve,andtheRossitera€“McLaughlineffect,respectively.Thedetailedjointanalysisofthosethreedatasetsenablesanaccurateandprecisedeterminationofthenumerousparameterscharacterizingtheplanetarysystem,inadditionto??.WedemonstratethepowerofthejointanalysisforthetwospecificsystemsHAT-P-7andKepler-25.HAT-P-7bisthefirstexoplanetsuspectedtobearetrograde(orpolar)planetbecauseofthesignificantmisalignment??a‰?180?°.Ourjointanalysisindicatesia??a‰?30?°and??a‰?120?°,suggestingthattheplanetaryorbitisclosertopolarratherthanretrograde.Kepler-25isoneofthefewmulti-transitingplanetarysystemswithmeasured??,andhoststwoshort-periodtransitingplanetsandoneouternon-transitingplanet.Theprojectedspina€“orbitangleofthelargertransitingplanet,Kepler-25c,hasbeenmeasuredtobe??a‰?0?°,implyingthatthesystemiswellaligned.Withthehelpofthetightconstraintfromasteroseismology,however,weobtain$$i_star={65{{^{circ}_{.}}}4}^{+{10{{kern.4pt.vphantom{|}}^{kern-2ptcirc}}6}}_{-{6{{kern.4pt.vphantom{|}}^{kern-2ptcirc}}4}}$$and$$psi={26{{^{circ}_{.}}}9}^{+{7{{kern.4pt.vphantom{|}}^{kern-2ptcirc}}0}}_{-{9{{kern.4pt.vphantom{|}}^{kern-2ptcirc}}2}}$$,andthusfindthatthesystemisactuallymildlymisaligned.Thisisthefirstdetectionofthespina€“orbitmisalignmentforthemultipleplanetarysystemwithamain-sequencehoststar,andpointstomechanismsthattiltastellarspinaxisrelativetoitsprotoplanetarydisk.
机译：Wedevelopadetailedmethodologyofdeterminingthree-dimensionallytheanglebetweenthestellarspinandtheplanetaryorbitaxisvectors，??，?? fortransitingplanetarysystems.Thedeterminationof requirestheindependentestimatesoftheinclinationanglesofthestellarspinaxisandoftheplanetaryorbitalaxiswithrespecttothelineofsight，IA ?? andiorb，andtheprojectionofthespina€“orbitangleontotheplaneofthesky，??。Thesearemainlyderivedfromasteroseismology，transitlightcurve，andtheRossitera€“McLaughlineffect，respectively.Thedetailedjointanalysisofthosethreedatasetsenablesanaccurateandprecisedeterminationofthenumerousparameterscharacterizingtheplanetarysystem，inadditionto ?? WedemonstratethepowerofthejointanalysisforthetwospecificsystemsHAT-P-7andKepler- 25.HAT-P-7认为第一个出射飞机被归类为逆向（或极地）行星，是因为其严重不对中？180？°。我们的联合分析表明，?? 30？°和？120？°，表明行星状行星状体接近极性，而不是逆行。开普勒-25。系统已测量），并容纳两个短周期的过渡行星和一个非过渡行星。一个较大的过渡行星Kepler-25c的预计射程角已测量为?? 0？°，这表明该系统已很好地与星系{从{{ 。}}} 4} ^ {+ {10 {{kern.4pt.vphantom {|}} ^ {kern-2ptcirc}} 6}} __-- {6 {{kern.4pt.vphantom {|}} ^ {{ kern-2ptcirc}} 4}} $$和$$ psi = {26 {{^^ circ} _ {。}}} 9} ^ {+ {7 {{kern.4pt.vphantom {|}} ^ {kern -2ptcirc}} 0}} _ {-{9 {{kern.4pt.vphantom {|}} ^ {kern-2ptcirc}} 2}} $$，并发现该系统实际上轻微地未对准。这是第一个检测到多平面行星系统的销轴对准误差，其最大概率与主旋律成正比。

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