ASTRONOMICAL SITE TESTING IN THE CANARY ISLANDS
ASTRONOMICAL SITE TESTING IN THE CANARY ISLANDS
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加那利群岛的天文现场测试
DOI：
10.1086/129641
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发表时间：
1974
影响因子：
3.5
通讯作者：
M. Walker
中科院分区：
文献类型：
--
作者：
B. McInnes;M. Walker
报告的结果是对加那利群岛两个地点的天文观测条件的研究，包括极地星轨观测和气象数据。讨论了特内弗岛的伊扎亚和拉帕尔马岛的富恩特努埃瓦这两个地点作为天文观测站地点的优点。伊扎伊亚 (Izaiia) 的观赏条件虽然不错，但并不理想。在Fuente Nueva，在观测过程中观察到的视宁度与迄今为止在使用极星轨迹测试方法的任何其他地点观察到的视宁度一样好，甚至更好。这种差异是根据岛屿的地形来解释的。最好的天文观测条件可能发生在岛屿、寒冷的海洋或具有海洋热带稳定气团的地区，其形状为从海中升起的圆锥形峰，峰的高度足以使其顶部高于逆温层顶部，进入由于气流通过海洋而形成层流的区域。讨论了位置和地形符合这些条件的其他岛屿。关键词： 现场测试 - 天文视宁 - 特纳夫 - 拉帕尔马
Results are presented of studies of astronomical observing conditions, including polar startrail observations and meteorological data, at two sites in the Canary Islands. The merits of these two locations, Izaiia, on the island of Tenenfe, and Fuente Nueva, on the island of La Palma, as sites for astronomical observatories are discussed. Seeing conditions at Izaiia, while good, were not excellent; at Fuente Nueva, the seeing observed during the peried of observations was as good as or better than that so far observed at any other site where the polar star-trail method of testing has been used. This difference is interpreted in terms of the topography of the islands. The best astronomical observing conditions probably occur on islands, in cold oceans or regions with maritime tropical stable air masses, having the shape of a conical peak rising out of the sea, where the peak is of sufficient height that its top rises above the top of the inversion layer into the region where the aifflow is laminar as a result of its passage over the ocean. Other islands whose location and topography meets these conditions are discussed. Key words: site testing - astronomical seeing - Tenerffe - La Palma