SIMBAD references

2018AJ....155...70W - Astron. J., 155, 70-70 (2018/February-0)

Stellar spin-orbit alignment for Kepler-9, a multi-transiting planetary system with two outer planets near 2:1 resonance.

WANG S., ADDISON B., FISCHER D.A., BREWER J.M., ISAACSON H., HOWARD A.W. and LAUGHLIN G.

Abstract (from CDS):

We present spectroscopic measurements of the Rossiter-McLaughlin effect for the planet b of the Kepler-9 multi-transiting planetary system. The resulting sky-projected spin-orbit angle is λ = -13° ± 16°, which favors an aligned system and strongly disfavors highly misaligned, polar, and retrograde orbits. Including Kepler-9, there are now a total of four Rossiter-McLaughlin effect measurements for multiplanet systems, all of which are consistent with spin-orbit alignment.

Abstract Copyright: © 2018. The American Astronomical Society. All rights reserved.

Journal keyword(s): methods: observational - planetary systems - planets and satellites: individual Kepler-9b - stars: individual: Kepler-9 - techniques: radial velocities - techniques: spectroscopic - techniques: spectroscopic

Simbad objects: 8

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