螺旋桨阶段的年轻前低质量X射线双星：RCW 103中6.7小时周期X射线源1 E 161348-5055的性质
Young pre-Low-Mass X-ray Binaries in propeller phase : Nature of the 6.7-hour periodic X-ray source 1E 161348-5055 in RCW 103
摘要：
在RCW 103的X射线源1 E 161348-5055中发现的6.7小时周期性导致了对这种周期性性质的研究。我们探讨了一个模型1 E 161348-5055，其中一个快速旋转的中子星与磁场$\sim 10^{12}$ G在一个年轻的前低质量X射线二进制（前LMXB）的偏心轨道周期为6.7小时的“螺旋桨”阶段的操作。1 E 161348-5055的6.7小时光变曲线可以用通过粘性吸积盘的轨道调制质量转移和随后的螺旋桨发射模型（包括Illarionov-Sunyaev型和Romanova-Lovelace等人型）定量地解释，光谱和其他性质也是一致的。模型系统的形成和演化都符合标准理论。
英文摘要：
Discovery of the 6.7-hour periodicity in the X-ray source 1E 161348-5055 in RCW 103 has led to investigations of the nature of this periodicity. We explore a model for 1E 161348-5055, wherein a fast-spinning neutron star with a magnetic field $\sim 10^{12}$ G in a young pre-Low-Mass X-ray Binary (pre-LMXB) with an eccentric orbit of period 6.7 hr operates in the "propeller" phase. The 6.7-hr light curve of 1E 161348-5055 can be quantitatively accounted by a model of orbitally-modulated mass transfer through a viscous accretion disk and subsequent propeller emission (both Illarionov-Sunyaev type and Romanova-Lovelace et al type), and spectral and other properties are also in agreement. Formation and evolution of model systems are shown to be in accordance both with standard theories.
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