Updated Colors for Cool Stars in the Sloan Digital Sky Survey

Updated Colors for Cool Stars in the Sloan Digital Sky Survey
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更新了斯隆数字巡天中酷星星的颜色

DOI:
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发表时间:
2005
期刊:
影响因子:
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通讯作者:
S. Hawley
S. Hawley
中科院分区:
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文献类型:
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作者:
A. West;L. Walkowicz;S. Hawley

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我们根据斯隆数字巡天(SDSS)第三次发布的数据的光度测量,提供了 M 和 L 矮星的更新颜色。与早期结果相比,这些数据的质量和数量都有所提高。我们还提供了更新的方程,用于根据晚型恒星的 SDSS 颜色确定光度视差。沃科维奇等人。最近提出了研究低质量恒星磁活动的新技术,他们的方法依赖于准确测定 SDSS 颜色。我们得出了 SDSS 颜色和其他常见通带之间的新关系,并提出了 Walkowicz 等人的更新公式。用于确定 M 和 L 矮星的磁活动水平。
We present updated colors for M and L dwarfs based on photometry from the third data release of the Sloan Digital Sky Survey (SDSS). These data are improved in quality and number from earlier results. We also provide updated equations for determining photometric parallaxes from SDSS colors of late‐type stars. Walkowicz et al. have recently presented new techniques for studying the magnetic activity of low‐mass stars, and their method relies on an accurate determination of SDSS color. We derive new relationships between SDSS colors and other common passbands and present updated formulas from Walkowicz et al. for determining the level of magnetic activity in M and L dwarfs.