文章基本信息

标题：Plaskett 1.8 m Observations of Starlink Satellites
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作者：Aaron C.Boley ; Ewan Wright ; Samantha Lawler 等
期刊名称：The Astronomical journal
印刷版ISSN：0004-6256
电子版ISSN：1538-3881
出版年度：2022
卷号：163
期号：5
页码：1-7
DOI：10.3847/1538-3881/ac5599
语种：English
出版社：American Institute of Physics
摘要：We present observations of 23 Starlink satellites in the g' bandpass, obtained from the Dominion Astrophysical Observatory's Plaskett 1.8 m telescope. The targets include a mixture of satellites with and without brightness mitigation measures (i.e., visors). At the time of the observations (2021 July 16), Starlink satellites were sunlit throughout the night, and, even with strict elevation and azimuth limits, there were over 800 candidate Starlink arcs. The satellites altogether have a median range corrected brightness (550 km) of mag. Dividing the targets into those without and with visors, their median range corrected magnitudes are and mag, respectively. While the visor sample is dimmer in aggregate, the range corrected brightness distribution ranged from mag to 9.4 mag. The two brightest satellites have similar Hg550 to within the uncertainty, but one is visored and the other nonvisored. The dimmest satellite we observed is one without mitigations. The intrinsic brightness dispersion among the full sample is σg = 0.5 mag.