论文标题
最近发现的BE/X射线Pulsar Erassuj 052914.9-662446的光谱和正时特性
Spectral and Timing properties of the recently discovered Be/X-ray pulsar eRASSUJ 052914.9-662446
论文作者
论文摘要
我们已经对新发现的BE/X射线Pulsar Erassu J052914.9-662446提出了Nustar和迅速的观察。这是使用2020年观测值对PULSAR的时间和光谱特性的首次详细研究。从源检测到1411.5 $ \ pm $ 0.5 s的连贯脉动。发现脉冲轮廓类似于一个简单的单个峰值特征，这可能仅是由于中子星的表面发射而引起的。脉冲轮廓高能量依赖性。发现脉冲轮廓的脉冲分数的变化被发现是非单调的。 0.5-20 Kev Swift和Nustar同时可以与通过$ \ sim $ 5.7 KEV修改的强力法安装得很好。 0.5-79 KEV Energy系列中的Nustar亮度为$ \ sim $ 7.9x10 35 ERG/s。 3-79 KEV中的光谱通量显示脉冲相的调制。
We have presented NuSTAR and Swift observations of the newly discovered Be/X-ray pulsar eRASSU J052914.9-662446. This is the first detailed study of the temporal and spectral properties of the pulsar using 2020 observations. A coherent pulsation of 1411.5$\pm$0.5 s was detected from the source. The pulse profile was found to resemble a simple single peaked feature which may be due to emission from the surface of the neutron star only. Pulse profiles are highly energy dependent. The variation of the pulse fraction of the pulse profiles are found to be non-monotonic with energy. The 0.5-20 keV Swift and NuSTAR simultaneous can be fitted well with power-law modified by high energy cutoff of $\sim$ 5.7 keV. The NuSTAR luminosity in the 0.5-79 keV energy range was $\sim$ 7.9x10 35 erg/s. The spectral flux in 3-79 keV shows modulation with the pulse phase.
