确定二进制Mira X Ophiuchi分量的星等和光谱类型
Determining the magnitudes and spectral types of the components of the binary Mira X Ophiuchi
摘要：
几个值的幅度和光谱类型的组成部分的二进制米拉X蛇夫座已公布在文献中在过去的一个世纪。对2016年5月至2016年12月期间恒星的新光度学和光谱学分析表明，该恒星的V星等为9.0，光谱类型为K1 III。米拉的光谱类型从最大值的M6 III变为M7 III，因为它逐渐消失并通过最小值。米拉的V星等在最大6.47和最小9.83之间变化，范围为3.36等。
英文摘要：
Several values for the magnitudes and spectral types of the components of the binary Mira X Ophiuchi have been published in the literature over the last century. Analysis of new photometry and spectroscopy of the star between 2016 May and 2016 December indicates that the V magnitude of the constant star is 9.0 and its spectral type K1III. The spectral type of the Mira changed from M6III at maximum to M7III as it faded and passed through minimum. The V magnitude of the Mira varied between 6.47 at maximum and 9.83 at minimum, a range of 3.36 magnitudes.
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