H_2_CO and H{alpha} observations of UC HII
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https://b2find.eudat.eu/dataset/2a7604f4-3432-5c66-b39f-9794fd5983a4
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资源简介：
We report observations of the H110{alpha} radio recombination line and H_2_CO (1_10_-1_11_) toward 21 ultracompact H II regions with the Arecibo 305m radio telescope. We detect...
