Retrieval of Precise Radial精确径向搜索

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1、RetrievalofPreciseRadialVelocitiesfromNear-InfraredHighResolutionSpectraofLowMassStarsPeterGao1,PlavchanP.2,GagneJ.3;4,FurlanE.5,BottomM.6,Anglada-EscudeG.7;8,WhiteR.9,DavisonC.L.9,BeichmanC.5,BrinkworthC.5;10,JohnsonJ.11,CiardiD.5,WallaceK.12,MennessonB.12,vonBraunK.13,VasishtG.12

2、,PratoL.13,KaneS.R.14,TannerA.15,CrawfordT.J.12,LathamD.11,RougeotR.16,GeneserC.S.2,CatanzariteJ.17ABSTRACTGiventhatlow-massstarshaveintrinsicallylowluminositiesatopticalwavelengthsandapropensityforstellaractivity,itisadvantageousforradialvelocity(RV)surveysoftheseobjectstousenear-in

3、frared(NIR)wavelengths.InthisworkwedescribeandtestanovelRVextractionpipelinededicatedtoretrievingRVsfromlowmassstarsusingNIRspectratakenbytheCSHELLspectrographattheNASAInfraredTelescopeFacility,whereamethaneisotopologuegascellisusedforwavelengthcalibration.The1DivisionofGeologicaland

4、PlanetarySciences,CaliforniaInstituteofTechnology,MC150-21,1200EastCaliforniaBoulevard,Pasadena,CA91125,USA;pgao@caltech.edu2DepartmentofPhysics,MissouriStateUniversity,901SNationalAve,Springeld,MO65897,USA3DepartmentofTerrestrialMagnetism,CarnegieInstitutionofWashington,Washington,

5、DC20015,USA4SaganFellow5NASAExoplanetScienceInstitute,CaliforniaInstituteofTechnology,770S.WilsonAve.,Pasadena,CA91125,USA6DivisionofPhysics,Mathematics,andAstronomy,CaliforniaInstituteofTechnology,Pasadena,CA91125,USA7SchoolofPhysicsandAstronomy,QueenMaryUniversityofLondon,327MileEn

6、dRd,E14NS,London,UK8CentreforAstrophysicsResearch,UniversityofHertfordshire,CollegeLane,AL109AB,Hateld,UK9DepartmentofPhysicsandAstronomy,GeorgiaStateUniversity,Atlanta,GA30303,USA10NationalCenterforAtmosphericResearch,P.O.Box3000,Boulder,CO8030711arXiv:1603.05997v1[astro-ph.IM]18Ma

7、r2016InstituteforTheoryandComputation,Harvard-SmithsonianCenterforAstrophysics,60GardenStreet,Cam-bridge,Massachusetts02138USA12JetPropulsionLaboratory,CaliforniaInstituteofTechnology,4800OakGroveDrive,Pasadena,CA91125,USA13LowellObservatory,WestMarsHillRoad,Flagsta,AZ86001,USA14Dep

8、artmentofPhy