小行星与超大望远镜的混淆
Asteroid Confusions with Extremely Large Telescopes
摘要：
小行星可以被认为是点源的污染源，也可以被认为是混淆噪声的来源，这取决于它们是否在图像中被检测到，或者它们的通量是否低于检测极限。我们估计，在低黄道纬度，~ 10，000 - 20，000小行星/平方米。度的小行星将由E-ELT类望远镜探测到，而到斯皮策和赫歇尔任务结束时，红外空间天文台将提供约100，000次偶然发现的小行星探测。因此，探测和识别小行星是巡天天文学的一个重要步骤。
英文摘要：
Asteroids can be considered as sources of contamination of point sources and also sources of confusion noise, depending whether their presence is detected in the image or their flux is under the detection limit. We estimate that at low ecliptic latitudes, ~10,000--20,000 asteroids/sq. degree will be detected with an E-ELT like telescope, while by the end of Spitzer and Herschel missions, infrared space observatories will provide ~100,000 serendipitous asteroid detections. The detection and identification of asteroids is therefore an important step in survey astronomy.
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