Abstract

We present the results of our spectroscopic observations for the classical symbiotic star V1413 Aql in 20122017. In this period the system was in both active and rare (for it) quiescent states. In 2012 the optical spectrum was dominated by the radiation from the erupted hot component of spectral type F47 III. In 2017 the system passed to a quiescent state that lasted at least three months. In this period lines of ions with high ionization potentials, such as He II 4686 Å and CIV 5802 Å, appeared in the spectrum. The temperature and luminosity of the hot component in this period were \(T_{\textrm{hot}}\approx 90\,000\) K and \(L_{\textrm{hot}}\approx 1800L_{\odot}\). We show that the quiescent state in 2017 differs little in its time and energy characteristics from the previous active state observed in 1993.

中文翻译：

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确定20122017系统V1413 Aql处于静态和活动状态的物理参数

摘要

我们介绍了20122017年经典共生星V1413 Aql的光谱观测结果。在此期间，该系统处于活跃和稀有（静态）静止状态。在2012年，光谱以F47 III型光谱爆发的热成分辐射为主导。在2017年，该系统进入了至少持续三个月的静态状态。在此期间，光谱中出现了具有高电离势的离子线，例如He II 4686Å和CIV 5802Å。在此期间热组件的温度和光度为\（T _ {\ textrm {hot}} \约90 \，000 \） K和\（L _ {\ textrm {hot}}} \约1800L _ {\ odot} \ ）。我们显示，2017年的静止状态在时间和能量特征上与1993年观察到的先前活动状态差异不大。