玄戈是中国古代星官名，属三垣之中的紫微垣，象征和天枪一同在天上守卫紫微垣的兵器[1]，玄戈由一星组成，在现在通用的88星座中属于牧夫座。
玄戈一星
玄戈增二星
清钦天监1752年编成《仪象考成》星表，玄戈增加了2颗肉眼可见的星。
参考资料
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