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Transmission Spectroscopyand the Rossiter-McLaughlin Effect

Joshua N. Winn Hubble FellowEdwin L. Turner (Princeton)2005419

HD209458Photometric Transmission SpectroscopyTransitRossiterTrES-1Rossiter

Transmission Spectroscopy

HD 209458Radial VelocityTransit(Charbonneau, Brown et al. 2000)TransitHD209458 G0V V = 7.64HD209458b Orbital Period 3.524738 0.000015 days inclination 86.1 0.1 deg Mass 0.69 0.05 MJ Radius 1.43 0.04 RJ from Extra-solar Planet Catalog Jean SchneiderBasic data

0.3Bundy & Marcy (2000) Keck I /HIRES < 3 % Moutou et al. (2001) VLT /UVES ~ 1 %2.3m4320~4330 cm-1CODeming et al. (2005) Keck II /NIRSPEC < 0.016 %

2002101Transit30in 12 out 12 half 6 41006800 45000 500 SN / pix 3503.5 /HDS

Instrumental ProfileWinn et al. 2004

H, H, H, Na(D1, D2), Li, Fe, CaH, Na(D1, D2)

Na D0.3line center 0.15%continuum 0.08%

Narita et al. 2005

0.30.1%0.2%0.30.5%0.1%

photometric comparison

vs photometric comparisonRossiter

RossiterTransitalignment

Rossiter

Rossiterflatmigrationalign

migration71713flee-floating planetalign

HD209458Rossiter

Transit7HD2094582mRossiterOGLE8mHD209458V=7.65OGLE planets (5)V=15~17

TrES-1RossiterRossiter

/HDS1TrES-1RossiterRossiter

Transit phaseTransitalignment

Transitalignment1990non-zero (cosmology)2000non-zero (exoplanetary science)

TrES-1Subaru HDS (Hawaii) MUGNUM (Maui)Measurement of the Rossiter EffectDuring Transits of the Exoplanet TrES-1PI : Norio NaritaCo-Is : Yasushi Suto, Yasuhiro Ohta, Atsushi TaruyaWako Aoki, Bunei Sato, Motohide Tamura, Toru YamadaJosh Winn, Ed TurnerMUGNUM : Enya-san (ISAS)200577

Subaru HDSTransitHDS with I2 cellMUGNUMTransit

6ms-11511530

HD209458Rossiter(non-zero )TrES-1large ?

Eclipsing binaryRossitereclipsing binaryRossiterHe II 4686linealignmentRossiter

RossiterTransmission Spectroscopy

RossiterSnellen 2004 MNRAS

RossiterRossiteraverageTransmission Spectroscopy

TrES-1i = 88.2 degd = 157 pc[Fe/H] = 0.001Ms = 0.87 MSunMp = 0.75 MJupK = 115.2 ms-1V=11.8Rp/Rs = 0.130Rp = 1.08 RJupa = 0.0393 AUP = 3.03 daye = 0 (fixed)Trans-Atlantic Exoplanet Survey network