论文标题
行星星云M 3-38中快速射流的共同信封起源
The common envelope origins of the fast jet in the planetary nebula M 3-38
论文作者
论文摘要
我们介绍了对双极行星星云（PN）M 3-38的多个Elti-eppectrógrafoEngtc de altaresoluciónparapara para para para para para para para para para para para para para para para para para这些观察结果揭示了与M 3-38的对称轴对齐的快速流出的存在，该轴的速度最高为$ \ pm $ \ $ 225 km s $^{ - 1} $。该功能的去透射空间速度可以估计为$ \ $ 320 $^{+130} _ { - 60} $ km s $^{ - 1} $，它与其高度参数的形态一起表明它是PN中最快的喷射之一。我们还使用了对M 3-38的中央恒星的开普勒观察结果，以揭示与17.7天的主要周期相关的可变性。我们将其归因于低质量恒星的存在，其轨道分离$ \ $ \ $ \ $ \ $ 0.12-0.16 au。快速和准直的射血和近距离系统指向M 3-38的共同包膜形成方案。
We present the analysis of Multi-Espectrógrafo en GTC de Alta Resolución para Astronomía (MEGARA) high-dispersion integral field spectroscopic observations of the bipolar planetary nebula (PN) M 3-38. These observations unveil the presence of a fast outflow aligned with the symmetry axis of M 3-38 that expands with a velocity up to $\pm$225 km s$^{-1}$. The deprojected space velocity of this feature can be estimated to be $\approx$320$^{+130}_{-60}$ km s$^{-1}$, which together with its highly collimated morphology suggests that it is one of the fastest jet detected in a PN. We have also used Kepler observations of the central star of M 3-38 to unveil variability associated with a dominant period of 17.7 days. We attribute this to the presence of a low-mass star with an orbital separation of $\approx$0.12-0.16 au. The fast and collimated ejection and the close binary system point towards a common envelope formation scenario for M 3-38.
