3C111 is BLRG with signatures of both FSRQ and Sy1 in X-ray spectrum. The significant X-ray observational dataset was collected for it by INTEGRAL, XMM-Newton, SWIFT, Suzaku and others. The overall X-ray spectrum of 3C 111 shows signs of a peculiarity with the large value of the high-energy cut-off typical rather for RQ AGN, probably due to the jet contamination. Separating the jet counterpart in the X-ray spectrum of 3C 111 from the primary nuclear counterpart can answer the question is this nucleus truly peculiar or this is a fake “peculiarity” due to a significant jet contribution. In view of this question, our aim is to estimate separately the accretion disk/corona and non-thermal jet emission in the 3C 111 X-ray spectra within different observational periods. To separate the disk/corona and jet contributions in total continuum, we use the idea that radio and X-ray spectra of jet emission can be described by a simple power-law model with the same photon index. This additional information allows us to derive rather accurate values of these contributions. In order to test these results, we also consider relations between the nuclear continuum and the line emission.

中文翻译：

---

3C 111的X射线特性：主核发射和射流连续谱的分离

3C111是BLRG，在X射线光谱中具有FSRQ和Sy1的特征。INTEGRAL，XMM-Newton，SWIFT，Suzaku等收集了重要的X射线观测数据集。3C 111的总体X射线光谱显示出特殊的迹象，可能是由于喷射污染而导致的高能量截止值（而不是RQ AGN）的典型值。将3C 111的X射线谱中的射流对应物与一次核对应物分开，可以回答以下问题：这个核确实是奇特的，或者由于明显的射流贡献，这是假的“特殊性”。鉴于这个问题，我们的目的是分别估计在不同观察期内3C 111 X射线光谱中的吸积盘/电晕和非热射流发射。为了将圆盘/电晕和射流的总贡献分开，我们使用这样的想法，即可以通过具有相同光子指数的简单幂律模型来描述射流发射的无线电和X射线光谱。这些额外的信息使我们能够得出这些贡献的相当准确的值。为了测试这些结果，我们还考虑了核连续体与线路发射之间的关系。