《宋史·志·卷二》
太阳守一颗星，在相星的西北，北斗第三星的西南，是大将大臣的象征，主管建设军备以戒备不测的事变。
太阳守一星，在相星西北、斗第三星西南，大将、大臣之象，主设武备以戒不虞。
Sun Shou is a star, northwest of Xiang Star, and southwest of the third star of the Big Dipper, which is a symbol of a great general, who is in charge of building military equipment to guard against unforeseen events.