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相關文獻
- The Dark Current and Gain Measurements of CCD Camera PI1300B at Lulin Observatory
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頁籤選單縮合
題名 | The Dark Current and Gain Measurements of CCD Camera PI1300B at Lulin Observatory=鹿林天文臺CCD相機PI1300B的暗電流及增益值測量 |
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作者姓名(中文) | 黃相輔; 木下大輔; 施佳佑; | 書刊名 | 臺北天文館學報 |
卷期 | 6 2008.12[民97.12] |
頁次 | 頁18-24 |
分類號 | 322.1 |
關鍵詞 | 天文儀器; 鹿林天文臺; 暗電流; 增益; 讀出雜訊; Instrumentation; CCD: PI1300B; Lulin Observatory; Dark current; Gain; Readout noise; |
語文 | 英文(English) |
中文摘要 | 儀器的狀況可能隨時間改變並影響其效能。為了確保天文觀測的準確度,我們需定期檢視儀器的表現。本實驗中,我們檢測了鹿林天文台CCD PI1300B 的暗電流、增益值及讀出噪音。我們使用平場及暗電流影像來估計增益與讀出噪音,並求得不同CCD 冷卻溫度下所表現的暗電流產生率。我們所量測的數據與2005 年以前的調查結果(Kinoshita et al. 2005) 相符合,說明CCD PI1300B 仍持續穩定運作。 |
英文摘要 | The condition of the instrument may vary through time, and influences the basic properties and performance of instruments. In order to ensure the stable science operation of observation, the characteristics and performance of CCD needs to be re-examined regularly. We have measured the dark current, gain, and readout noise of CCD camera PI1300B mounted on Lulin One-meter Telescope (LOT) at Lulin Observatory. We have obtained dark and flatfield frames to estimate the gain and readout noise. The dark current generation rates at different CCD cooling temperatures were measured. Results are compared with the previous study (Kinoshita et al. 2005), and it is found to be consistent. The instrument is found to be stably operated. |
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