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首页> 外文期刊>Journal of Geophysical Research, A. Space Physics: JGR >Improved Analysis of STEVE Photographs
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Improved Analysis of STEVE Photographs

机译：改进分析史蒂夫照片

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摘要

We present a new approach for the analysis of high-resolution digital camera photographs taken by photographers who have fortuitous been able to capture rare events, such as the glowing sky phenomenon known as strong thermal emission velocity enhancement (STEVE). This method is especially effective with a time lapse series of images of the night sky taken under constant camera settings with a steady pointing. Stars, planets, and satellites seen in such images can be used to determine the precise and accurate registration of camera pixels to coordinates of angular altitude and azimuth. The location of satellites in the image enables precise and accurate synchronization of the images. We apply these techniques to the series of photographs of STEVE taken on July 25, 2016. We confirm the altitude structure previously found for STEVE. We find it most likely that the green picket fence features often seen during STEVE events are produced by auroral electron precipitation. With the precipitation assumption,we are able to extract novel information about the energy spectrum of the particles responsible for the production of STEVE luminosity in this particular event. Similarly, analyses of archived digital photographs may constitute a treasure trove of important data for improved understanding of rare and transient events, such as STEVE.
机译：提出了一种新的分析方法高分辨率数码相机照片由摄影师偶然的能够捕捉到罕见的事件,如发光的天空现象称为强烈的热发射速度增强(史蒂夫)。与一系列时间流逝特别有效图像的夜空下常数相机设置稳定的指向。行星和卫星中看到这些图片被用来确定精密,准确登记的相机像素点的坐标角高度和方位。卫星图像中使精确和精确同步的图像。这些技术的一系列照片史蒂夫,摄于2016年7月25日。高度结构之前发现史蒂夫。找到最可能的绿色栅栏在史蒂夫事件特性经常看到极光产生的电子降水。降水的假设,我们可以提取小说关于能源的信息负责频谱的粒子史蒂夫光度在这个特定的生产事件。照片可能构成的宝库重要的数据来提高对罕见的理解和瞬态事件,比如史蒂夫。

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