[논문]Statistical Analysis on Weather Conditions at Chungbuk National University Observatory in Jincheon, Korea

Yoon, Joh-Na; Lee, Yong Sam; Kim, Chun-Hwey; Kim, Yonggi; Yim, Hong-Suh; Han, Wonyong; Jeong, Jang Hae

doi:10.5140/jass.2012.29.4.397

[국내논문] Statistical Analysis on Weather Conditions at Chungbuk National University Observatory in Jincheon, Korea 원문보기

Journal of astronomy and space sciences, v.29 no.4, 2012년, pp.397 - 405

Yoon, Joh-Na (Chungbuk National University Observatory) , Lee, Yong Sam (Chungbuk National University Observatory) , Kim, Chun-Hwey (Chungbuk National University Observatory) , Kim, Yonggi (Chungbuk National University Observatory) , Yim, Hong-Suh (Korea Astronomy and Space Science Institute) , Han, Wonyong (Korea Astronomy and Space Science Institute) , Jeong, Jang Hae (Chungbuk National University Observatory)

Abstract ▼ AI-Helper

Astronomical Observations at Chungbuk National University Observatory (CBNUO) with an 1 m telescope have begun since April 2008, and Near-Earth Space Survey observations also have been started since November 2010, with a 0.6 m wide field telescope developed by Korea Astronomy and Space Science Institute. To improve observational efficiency, we developed a weather monitoring system enabling automatic monitoring for the weather conditions and checking the status of the observational circumstances, such as dome status. We hope this weather monitoring system can be helpful to more than 100 Korean domestic observatories, including public outreach facilities. In this paper, we present the statistic analysis of the weather conditions collected at CBNUO for 3 years (2009- 2011) and comparisons were made for clear nights between using only humidity data and both humidity and cloud data.

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제안 방법

Since its opening, the photometric observations for variable objects were mainly performed with the 1 m telescope, and additional facilities to measure the meteorological data such as cloud amount, were referred in the operation of observatory.
In this study, we present data analysis of the meteorological status and sky monitoring for cloud amount, with the results of photometric observations performed by CBNUO from 2009 to 2011 using the weather monitoring system developed by CBNUO which could be an important reference for remote automatic observational system.
In this study, we constructed a weather monitoring system, which combines a weather system developed by the CBNUO and the cloud monitoring system adapted from NEOPAT-YTAR project. The weather system device contains 2 sensors for measuring temperature and humidity and 3 sensors for measuring atmospheric pressure, wind direction and wind speed, respectively.
3. The measurement was performed 5 times at five sensors for humidity and temperature and the measured values are averaged for increasing the precision. The wind speed has been also measured 5 times and the maximum of the 5 values is recorded as the maximum wind speed per one minute.
It is also planned to install 4 K-class CCD (current viewing angle: 27′ × 18′, max viewing angle: 2° × 2°, viewing angle with the 4 K-class CCD: 78′ × 78′) in order to increase the efficiency of the observation.
In this study, we have analyzed the data from the weather monitoring system developed by CBNUO. The results show that the average number of the observable nights for a year reaches to about 140 days and the average observation time reaches to about 5 hours.

대상 데이터

11. The program stars observed with the 1 m reflector of the CBNUO. Both of UU Cam and V1130 Tau have been observed for nearly 60 days.

참고문헌 (12)

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