SIMBAD references

2014A&A...568L...1L - Astronomy and Astrophysics, volume 568, L1-1 (2014/8-1)

Radial velocity confirmation of Kepler-91 b. Additional evidence of its planetary nature using the Calar Alto/CAFE instrument.

LILLO-BOX J., BARRADO D., HENNING T., MANCINI L., CICERI S., FIGUEIRA P., SANTOS N.C., ACEITUNO J. and SANCHEZ S.

Abstract (from CDS):

The object transiting the star Kepler-91 was recently assessed as being of planetary nature. The confirmation was achieved by analysing the light-curve modulations observed in the Kepler data. However, quasi-simultaneous studies claimed a self-luminous nature for this object, thus rejecting it as a planet. In this work, we apply an independent approach to confirm the planetary mass of Kepler-91b by using multi-epoch high-resolution spectroscopy obtained with the Calar Alto Fiber-fed Echelle spectrograph (CAFE). We obtain the physical and orbital parameters with the radial velocity technique. In particular, we derive a value of 1.09±0.20MJup for the mass of Kepler-91b, in excellent agreement with our previous estimate that was based on the orbital brightness modulation.

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Journal keyword(s): planets and satellites: gaseous planets - techniques: radial velocities - planets and satellites: individual: Kepler-91 - planets and satellites: individual: KOI-2133 - planets and satellites: individual: KIC 8219268 - planet-star interactions

Simbad objects: 6

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