论文标题
对黑寡妇的多波长搜索候选人$γ$ -Ray毫秒脉冲星的搜索
A Multi-wavelength search for Black Widows and Redbacks counterparts of candidate $γ$-ray millisecond pulsars
论文作者
论文摘要
{\ em fermi}在$γ$ - 砂中对毫秒的脉冲星（MSP）的财富刺激了对这些对象的搜索。有趣的目标是二进制MSP的子类，称为“黑寡妇”（BWS）和“ Redbacks”（RBS），它们在轨道上，具有低质量的非脱位伴侣，并通过MSP风中的照射完全或部分消融。由于二进制伴侣恒星Photosphere的二进制等离子体的无线电信号的日食，因此可以轻松地在无线电脉冲星调查中遗漏这些系统，从而使它们成为多波长观测的更好目标。我们使用来自公共数据库的光学和X射线数据来对Fermi大面积望远镜（LAT）第三源目录（3FGL）的所有未识别的$γ$ ray来源进行系统调查，该目录已根据机器学习技术分析而被预先选择为MSP候选者。我们通过恢复已知的二进制BW/RB标识并搜索新的二进制BW/RB来测试我们的程序，从而找到了可能的候选者。同时，我们调查了先前提出的BW/RB标识，并根据更新的$γ$ ray源坐标排除了其中一个。
The wealth of detections of millisecond pulsars (MSPs) in $γ$-rays by {\em Fermi} has spurred searches for these objects among the several unidentified $γ$-ray sources. Interesting targets are a sub-class of binary MSPs, dubbed "Black Widows" (BWs) and "Redbacks" (RBs), which are in orbit with low-mass non-degenerate companions fully or partially ablated by irradiation from the MSP wind. These systems can be easily missed in radio pulsar surveys owing to the eclipse of the radio signal by the intra-binary plasma from the ablated companion star photosphere, making them better targets for multi-wavelength observations. We used optical and X-ray data from public databases to carry out a systematic investigation of all the unidentified $γ$-ray sources from the Fermi Large Area Telescope (LAT) Third Source Catalog (3FGL), which have been pre-selected as likely MSP candidates according to a machine-learning technique analysis. We tested our procedure by recovering known binary BW/RB identifications and searched for new ones, finding possible candidates. At the same time, we investigated previously proposed BW/RB identifications and we ruled out one of them based upon the updated $γ$-ray source coordinates.
