《宋史·志·卷三》
《干象新书》认为帝席属于角宿，亢池属于亢宿；武密和《步天歌》说法相合，都属于氐宿，但认为梗河属于亢宿。
《乾象新书》以帝席属角，亢池属亢；武密与《步在歌》合，皆属氐，而以梗河属亢。
<Gan Xiang Xin Shu> believes that Emperor's Throne belongs to Jue Su, and Kang Chi belongs to Kang Su; Wu Mi and <Bu Tiange> agree that they belong to Di Su, but think that Geng He belongs to Kang Su.