SIMBAD references

2014ApJ...792L..31L - Astrophys. J., 792, L31 (2014/September-2)

Rossiter-McLaughlin observations of 55 Cnc e.

LOPEZ-MORALES M., TRIAUD A.H.M.J., RODLER F., DUMUSQUE X., BUCHHAVE L.A., HARUTYUNYAN A., HOYER S., ALONSO R., GILLON M., KAIB N.A., LATHAM D.W., LOVIS C., PEPE F., QUELOZ D., RAYMOND S.N., SEGRANSAN D., WALDMANN I.P. and UDRY S.

Abstract (from CDS):

We present Rossiter-McLaughlin observations of the transiting super-Earth 55 Cnc e collected during six transit events between 2012 January and 2013 November with HARPS and HARPS-N. We detect no radial velocity signal above 35 cm/s (3σ) and confine the stellar v sin i_{sstarf} to 0.2±0.5 km/s. The star appears to be a very slow rotator, producing a very low amplitude Rossiter-McLaughlin effect. Given such a low amplitude, the Rossiter-McLaughlin effect of 55 Cnc e is undetected in our data, and any spin-orbit angle of the system remains possible. We also performed Doppler tomography and reach a similar conclusion. Our results offer a glimpse of the capacity of future instrumentation to study low amplitude Rossiter-McLaughlin effects produced by super-Earths.

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Journal keyword(s): planets and satellites: formation - planets and satellites: individual: 55 Cancri e - stars: individual: 55 Cancri - techniques: radial velocities - techniques: spectroscopic

VizieR on-line data: <Available at CDS (J/ApJ/792/L31): table1.dat>

Simbad objects: 7

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