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首页> 外文期刊>PASJ: Publications of the Astronomical Society of Japan >A deep sky survey of Edgeworth Kuiper Belt Objects with an improved shift-and-add method
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A deep sky survey of Edgeworth Kuiper Belt Objects with an improved shift-and-add method

机译：改进的偏移加法法对埃克斯沃思·柯伊伯带天体的深空调查

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摘要

A survey of the minor bodies in the outer regions of our solar system was carried out using the Suprime-Cam attached to the 8.2 m Subaru Telescope on Mauna Kea on 2001 February 22 and 25. Seven areas, covering a total of 1.4 deg(2) of the sky, were scanned. Five of them were observed with an R-mag limit of approximately 25.0, while the remaining two areas (0.4 deg(2) area of the sky) had a much deeper imaging, reaching an R-mag limit of 26.0. In order to facilitate our survey, we developed an efficient computer code to detect unknown objects based on an improved. shift-and-add method, the validity of which was ascertained from the fact that it could successfully locate the two EKBOs (2001 DM108 and 2001 DN108) that had been detected in our preliminary analysis. Using our computer code, we discovered three new EKBOs, viz. 2001 DO108, 2001 DP108, and 2001 DQ(108), in addition to 2001 DM108 and 2001 DN108. The present survey succeeded in finding a total of 14 EKBOs (five were discovered, and nine were detected) within the 0.4 deg2 region of the sky observed with an R-mag limit of 26.0.
机译：我们使用Suprime-Cam于2001年2月22日至25日对位于莫纳克亚山上8.2 m斯巴鲁望远镜的Suprime-Cam进行了太阳系外围区域的小物体调查。七个区域共覆盖了1.4度（2 ）的天空，被扫描了。观察到其中五个的R-mag极限约为25.0，而其余两个区域（天空的0.4 deg（2）区域）具有更深的成像，达到R-mag极限为26.0。为了方便我们的调查，我们开发了一种有效的计算机代码，可以基于改进的代码来检测未知对象。移位加法，其有效性可以从以下事实中确定：它可以成功定位在我们的初步分析中检测到的两个EKBO（2001 DM108和2001 DN108）。使用我们的计算机代码，我们发现了三个新的EKBO。 2001 DO108、2001 DP108和2001 DQ（108），以及2001 DM108和2001 DN108。本次调查成功地在观测到的天空的0.4 deg2区域内发现了14个EKBO（发现了5个，检测到9个），R-mag极限为26.0。

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