UBVRI polarimetric observations in NGC 6611

An investigation on dust properties in the NW portion of NGC 6611 has been conducted polarimetrically to test the existence of abnormal extinction in that section of the open...本研究通过偏振测量手段对NGC 6611的西北区域尘埃特性展开探究，以验证该疏散星团的对应区段是否存在异常消光现象。