A PSF-based approach to Kepler/K2 data - III. Search for exoplanets and variable stars within the open cluster M 67 (NGC 2682)
A PSF-based approach to Kepler/K2 data - III. Search for exoplanets and variable stars within the open cluster M 67 (NGC 2682)
复制标题
基于 PSF 的 Kepler/K2 数据方法 - III。
DOI：
10.1093/mnras/stw2169
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发表时间：
2016
影响因子：
4.8
通讯作者：
V. Nascimbeni
中科院分区：
文献类型：
--
作者：
D. Nardiello;M. Libralato;L. Bedin;G. Piotto;L. Borsato;V. Granata;L. Malavolta;V. Nascimbeni
在本系列的第三篇论文中，我们继续使用我们基于PSF的方法在致密恒星场中利用Kepler/K2数据。这项工作的重点是以太阳金属丰度和太阳年龄疏散星团M 67为中心的约720弧分^[2]区域。我们提取的光变曲线的开普勒通道13和14中的所有可检测的来源，采用我们的技术的基础上使用的高角分辨率输入目录和目标相邻减法。我们消除了光变曲线的系统误差，并使用几种工具搜索变量和系外行星。我们发现了451个变量，其中299个是新发现的。我们在该领域的管道检测到了三颗行星候选者。在这项工作中使用的原始和去趋势的光变曲线，目录和K2堆叠图像将被发布给社区。
In the third paper of this series we continue the exploitation of Kepler/K2 data in dense stellar fields using our PSF-based method. This work is focused on a ~720-arcmin^2 region centred on the Solar-metallicity and Solar-age open cluster M 67. We extracted light curves for all detectable sources in the Kepler channels 13 and 14, adopting our technique based on the usage of a high-angular-resolution input catalogue and target-neighbour subtraction. We detrended light curves for systematic errors, and searched for variables and exoplanets using several tools. We found 451 variables, of which 299 are new detection. Three planetary candidates were detected by our pipeline in this field. Raw and detrended light curves, catalogues, and K2 stacked images used in this work will be released to the community.