首页 > An analysis of the transit times of TrES-1b

An analysis of the transit times of TrES-1b

发布时间：来源：文档文库

小中大

字号：

手机查看

Mon.Not.R.Astron.Soc.000,000–000(0000Printed5February2008
A(MNLTEXstyleﬁlev2.2
AnanalysisofthetransittimesofTrES-1b
JasonH.Steﬀen⋆andEricAgol
PhysicsDepartment,UniversityofWashington,Box351560,Seattle,WA981955February2008
arXiv:astro-ph/0509656v28Nov2005
ABSTRACT
Thepresenceofasecondplanetinaknown,transiting-planetsystemwillcausethe
timebetweentransitstovary.Thesevariationscanbeusedtoconstraintheorbitalelementsandmassoftheperturbingplanet.WeanalysethesetoftransittimesoftheTrES-1systemgiveninCharbonneauetal.(2005.WeﬁndnoconvincingevidenceforasecondplanetintheTrES-1systemfromthatdata.Byfurtheranalysis,weconstrainthemassthataperturbingplanetcouldhaveasafunctionofthesemi-majoraxisratioofthetwoplanetsandtheeccentricityoftheperturbingplanet.Nearlow-order,mean-motionresonances(within∼1%fractionaldeviation,weﬁndthatasecondaryplanetmustgenerallyhaveamasscomparabletoorlessthanthemassoftheEarth–showingthatthisdataistheﬁrsttohavesensitivitytosubEarth-massplanets.Wecomparethesensitivityofthistechniquetothemassoftheperturbingplanetwithfuture,high-precisionradialvelocitymeasurements.
Keywords:planetary

《An analysis of the transit times of TrES-1b.doc》

将本文的Word文档下载到电脑，方便收藏和打印

推荐度：

点击下载文档

文档为doc格式

相

关

案

例

An analysis of the transit times of TrES-1b

相关推荐

推荐内容