论文标题
K2-Hermes II。 K2活动1-13的行星候选物业
K2-HERMES II. Planet-candidate properties from K2 Campaigns 1-13
论文作者
论文摘要
过渡系外行星的准确而精确的半径估计对于理解其组成和形成机制至关重要。要了解地球，我们必须尽可能详细地了解主人明星。我们为K2-Hermes调查中的行星候选人提供了完整的结果，该调查使用HERMES多对象光谱仪上的盎格鲁 - 澳大利亚望远镜来获取30,000 k2星的R $ \ sim $ 28,000光谱。我们向C1-C13的224 k2候选行星提供完整的宿主星参数和行星候选半径。我们的结果对30 k2候选者产生了严重的怀疑，因为我们得出了大于2 $ r_ {jup} $的杂质大半径。这项工作突出了为正在进行的大型星球搜索程序获得准确，准确和自吻的恒星参数的重要性 - 随着苔丝开始提供自己的外部球队的收获，这只会在未来几年变得更加重要。
Accurate and precise radius estimates of transiting exoplanets are critical for understanding their compositions and formation mechanisms. To know the planet, we must know the host star in as much detail as possible. We present complete results for planet-candidate hosts from the K2-HERMES survey, which uses the HERMES multi-object spectrograph on the Anglo-Australian Telescope to obtain R$\sim$28,000 spectra for more than 30,000 K2 stars. We present complete host-star parameters and planet-candidate radii for 224 K2 candidate planets from C1-C13. Our results cast severe doubt on 30 K2 candidates, as we derive unphysically large radii, larger than 2 $R_{Jup}$. This work highlights the importance of obtaining accurate, precise, and self-consistent stellar parameters for ongoing large planet search programs - something that will only become more important in the coming years, as TESS begins to deliver its own harvest of exoplanets.
