2008ApJ...682.1283W

Query : 2008ApJ...682.1283W

2008ApJ...682.1283W - Astrophys. J., 682, 1283-1288 (2008/August-1)

The prograde orbit of exoplanet TrES-2b.

WINN J.N., JOHNSON J.A., NARITA N., SUTO Y., TURNER E.L., FISCHER D.A., BUTLER R.P., VOGT S.S., O'DONOVAN F.T. and GAUDI B.S.

Abstract (from CDS):

We monitored the Doppler shift of the G0 V star TrES-2 throughout a transit of its giant planet. The anomalous Doppler shift due to stellar rotation (the Rossiter-McLaughlin effect) is discernible in the data, with a signal-to-noise ratio of 2.9, even though the star is a slow rotator. By modeling this effect we find that the planet's trajectory across the face of the star is tilted by -9°±12° relative to the projected stellar equator. With 98% confidence, the orbit is prograde.

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Journal keyword(s): Stars: Planetary Systems - Stars: Planetary Systems: Formation - stars: individual (GSC 03549-02811) - stars: individual (TrES-2) - Stars: Rotation

Simbad objects: 5

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Number of rows : 5
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 HD 17156 PM* 02 49 44.4871034544 +71 45 11.629235988   8.78 8.16     F9V 195 2
2 HD 38858 PM* 05 48 34.9402551240 -04 05 40.721787744 6.71 6.61 5.97     G2V 349 1
3 HD 66428 PM* 08 03 28.6676662536 -01 09 45.758091420   8.97 8.26     G8IV(+G) 156 1
4 Kepler-1b Pl 19 07 14.0375836512 +49 18 59.091482160           ~ 349 2
5 Kepler-1 Em* 19 07 14.0375836512 +49 18 59.091482160   11.85 11.25     G0V 195 2

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