Transmission Spectroscopy and the Rossiter-McLaughlin Effect
トランジット惑星系における Rossiter 効果 I. HD209458 での観測結果
description
Transcript of トランジット惑星系における Rossiter 効果 I. HD209458 での観測結果
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RossiterI. HD209458
Joshua N. Winn Harvard-Smithsonian CenterEdwin L. Turner (Princeton Univ.)
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RossiterRV
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OHP /ELODIE Queloz et al. (2000) , Bouchy et al. (2005) Keck /HIRES Winn et al. (2005) , Sato et al. (2005) VLT /UVES Snellen (2004) Keck ELODIE Snellen (2004) VLT
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MotivationRossiter vs Rossiter/HDSHD209458
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41006800 45000 500 SN / pix 4502002101Transit30Th-Arphase /HDS
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LineRVIRAFfitsasciiIRAFTh-Arcontinuum0.15line20pixelGaussianline center2/lineRVlineRV0RVRV
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RV(ti)(n)RV
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TEMPORV
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RVpixelRVCCDpixelRV200m/sRV
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Telluric Line6275-6310Cross-CorrelationTelluric Line
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RV30 m/sTelluric Line515 m/s1 m/s square root35 m/s
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OTS(2005)Rossiter
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Na DpixelNa DRVerrorRossitersystematic
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/HDSRV35 m/s pixelflat fieldHDSresidualaltitude
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/HDSRossiterHDSpixelRVRossiterRossiterRV