SIMBAD references

2016PASP..128l4204L - Publ. Astron. Soc. Pac., 128, part no 12, 4204-124204 (2016)

Asteroseismic properties of solar-type stars observed with the NASA K2 mission: results from Campaigns 1-3 and prospects for Future observations.

LUND M.N., CHAPLIN W.J., CASAGRANDE L., SILVA AGUIRRE V., BASU S., BIERYLA A., CHRISTENSEN-DALSGAARD J., LATHAM D.W., WHITE T.R., DAVIES G.R., HUBER D., BUCHHAVE L.A. and HANDBERG R.

Abstract (from CDS):

We present an asteroseismic analysis of 33 solar-type stars observed in short cadence (SC) during Campaigns (C) 1-3 of the NASA K2 mission. We were able to extract both average seismic parameters and individual mode frequencies for stars with dominant frequencies up to ∼3300 µHz, and we find that data for some targets are good enough to allow for a measurement of the rotational splitting. Modeling of the extracted parameters is performed by using grid-based methods using average parameters and individual frequencies together with spectroscopic parameters. For the target selection in C3, stars were chosen as in C1 and C2 to cover a wide range in parameter space to better understand the performance and noise characteristics. For C3 we still detected oscillations in 73% of the observed stars that we proposed. Future K2 campaigns hold great promise for the study of nearby clusters and the chemical evolution and age-metallicity relation of nearby field stars in the solar neighborhood. We expect oscillations to be detected in ∼388 SC targets if the K2 mission continues until C18, which will greatly complement the ∼500 detections of solar-like oscillations made for SC targets during the nominal Kepler mission. For ∼30-40 of these, including several members of the Hyades open cluster, we furthermore expect that inference from interferometry should be possible.

Abstract Copyright: © 2016. The Astronomical Society of the Pacific. All rights reserved.

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Simbad objects: 43

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