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Synergies between spectroscopic and asteroseismic surveys for the Kepler field with LAMOST

  • Jian-Ning Fu (a1), Peter De Cat (a2), An-Bing Ren (a1), Xiao-Hu Yang (a3), Giovanni Catanzaro (a4), Christopher Corbally (a5), Antonio Frasca (a4), Richard Gray (a6), Joanna Molenda-Żakowicz (a7) (a8), Jian-Rong Shi (a3), A-Li Luo (a3), Hao-Tong Zhang (a3) and Yue Wu (a3)...

Abstract

The NASA Kepler satellite has provided unprecedented high duty-cycle, high-precision light curves for a large number of stars by continuously monitoring a field of view in Cygnus-Lyra region, leading to great progress in both discovering exoplanets and characterizing planet-hosting stars by means of asteroseismic methods. The asteroseismic survey allows the investigation of stars covering the whole H-R diagram. However, the low precision of effective temperatures and surface gravities in the KIC catalogue and the lack of information on chemical composition, metallicity and rotation rate prevent asteroseismic modeling, requiring spectroscopic observations for thousands of asteroseismic targets in the Kepler field in a homogeneous way.

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References

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De Cat, P., Fu, J. N., Ren, A. B., et al. 2015, ApJS, accepted
Dong, S. B., Zheng, Z., Zhu, Z., et al. 2014, ApJL 789 L3.
Frasca, A., Molenda-Zakowicz, J., De Cat, P., et al. 2015, in preparation.
Gray, R. O., Corbally, C. J., De Cat, P., et al. 2015, in preparation.
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