标题： 南凤凰座复杂数字振荡学 显示英文标题

标题： Complex asteroseismology of SX Phoenicis

摘要： 我们提出了对原型SX Phoenicis的地震分析，旨在拟合两个径向模式频率以及相应的总辐射通量振幅值（参数$f$），这些经验值来源于多色测光观测。 符合这些条件的地震模型具有低质量（$M=1.05 M_\odot$），外部层次中有中等有效的对流，由混合长度参数$\alpha_{\rm MLT} \approx 0.7$描述，并且大气中的微湍流速度约为$\xi_{\rm t}\approx 8$公里/秒。 对于像SX Phe这样的恒星进行此类地震研究非常重要，因为这类恒星位于非常有效和无效对流之间的边界上，这有助于推导出外部层次对流的限制。 显示英文摘要

摘要： We present seismic analysis of the prototype SX Phoenicis that aims at fitting the two radial-mode frequencies and the corresponding values of the bolometric flux amplitude (the parameter $f$), whose empirical values are derived from multi-coulor photometric observations. Seismic model that meets these conditions is of low mass, $M=1.05 M_\odot$, has moderately effective convection in the outer layers, described by the mixing length parameter $\alpha_{\rm MLT} \approx 0.7$, and the microturbulent velocity in the atmospheres of about $\xi_{\rm t}\approx 8$km/s. Such seismic studies of stars like SX Phe are very important for deriving constraints on outer-layer convection, because the object is on the border between very effective and ineffective convection.