Assessment of the Astroclimatic Conditions of the Observation Complex at the Institute of Astronomy of Kharkiv National University

IF 0.5 4区物理与天体物理 Q4 ASTRONOMY & ASTROPHYSICS Kinematics and Physics of Celestial Bodies Pub Date : 2023-08-04 DOI:10.3103/S0884591323040050

A. V. Golubaev, A. P. Zheleznyak, V. G. Kaydash

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Abstract—

The article is devoted to the comparison of modern astroclimatic conditions (light pollution and the number of cloudless nights) of 14 Ukrainian astronomical observatories. The aim of the work is to assess the prospects for further development of the observational complex of the Chuhuiv Observational Station (COS) at the Institute of Astronomy of Kharkiv National University (IA KNU). The level of light pollution at the selected observation stations is studied using the Global Light Pollution Map databank. The Weather Archive database is used to analyze the statistics of cloudless skies at these locations. An independent measurement of the integral brightness of the sky background is carried out using a portable integrated photometer. It is found that, in terms of light pollution, the COS of the Institute of Astronomy has the most favorable conditions for astronomical observations among other observatories in Ukraine. The results of measurements of the integrated brightness of the sky background at the COS of the Institute of Astronomy using a portable integrated photometer showed a rather dark sky background for a plain observatory; the levels of indicators are similar to the Crimean Astrophysical Observatory. A selective analysis of the weather archive database for the period 2017–2019 for the southern, western, eastern, and central regions of Ukraine showed that, on average, the statistical indicators of cloudless skies in these locations differ little. Taking into account the results of astroclimatic studies and the absence of sources of significant light pollution at distances of 15…20 km from the COS (and the low probability of their appearance in the near future), it can be concluded that it is advisable to modernize the observatory complex of the IA KNU, in particular, to build a modern telescope of 1…2-m class on its territory.

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哈尔科夫国立大学天文研究所观测综合体的气象条件评估

摘要:这篇文章致力于比较14个乌克兰天文台的现代天文气候条件(光污染和无云夜的数量)。这项工作的目的是评估哈尔科夫国立大学天文研究所Chuhuiv观测站(COS)观测综合体进一步发展的前景。利用全球光污染地图数据库对选定观测站的光污染水平进行了研究。天气档案数据库用于分析这些地点无云天空的统计数据。利用便携式集成光度计对天空背景的积分亮度进行了独立测量。结果发现，就光污染而言，天文研究所的COS在乌克兰其他天文台中具有最有利的天文观测条件。在天文研究所COS使用便携式集成光度计测量天空背景综合亮度的结果表明，对于一个普通天文台来说，天空背景相当黑暗;指标的水平与克里米亚天体物理天文台相似。对乌克兰南部、西部、东部和中部地区2017-2019年天气档案数据库的选择性分析表明，平均而言，这些地区无云天空的统计指标差异不大。考虑到天文气候学研究的结果和距离COS 15…20公里处没有明显的光污染源(以及它们在不久的将来出现的可能性很低)，可以得出结论，建议对IA KNU的天文台综合设施进行现代化改造，特别是在其领土上建造一个1…2米级的现代望远镜。

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来源期刊

Kinematics and Physics of Celestial Bodies ASTRONOMY & ASTROPHYSICS-

CiteScore

0.90

自引率

40.00%

发文量

审稿时长

>12 weeks

期刊介绍： Kinematics and Physics of Celestial Bodies is an international peer reviewed journal that publishes original regular and review papers on positional and theoretical astronomy, Earth’s rotation and geodynamics, dynamics and physics of bodies of the Solar System, solar physics, physics of stars and interstellar medium, structure and dynamics of the Galaxy, extragalactic astronomy, atmospheric optics and astronomical climate, instruments and devices, and mathematical processing of astronomical information. The journal welcomes manuscripts from all countries in the English or Russian language.