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Analysis of Seven Years of Globe at Night Data

机译:七年地球仪夜间数据分析

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摘要

The Globe at Night (GaN) project website contains seven years of night-sky brightness data contributed by citizen scientists. We perform a statistical analysis of naked-eye limiting magnitudes (NELMs) and find that over the period from 2006 to 2012 global averages of NELMs have remained essentially constant. Observations in which participants reported both NELM and Unihedron Sky Quality Meter (SQM) measurements are compared to a theoretical expression relating night sky surface brightness and NELM: the overall agreement between observed and predicted NELM values based on the reported SQM measurements supports the reliability of GaN data.
机译:夜间地球(GaN)项目网站包含由公民科学家提供的七年的夜空亮度数据。我们对裸眼极限幅度(NELM)进行了统计分析,发现从2006年到2012年,NELM的全球平均水平基本上保持不变。将参与者报告NELM和Unihedron天空质量仪(SQM)测量值的观察结果与涉及夜空表面亮度和NELM的理论表达式进行比较:基于报告的SQM测量值观察到的NELM值与预测值之间的总体一致性支持GaN的可靠性数据。

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