E-BOSS：广泛的恒星弓形激波巡天。一：方法和第一目录
E-BOSS: an Extensive stellar BOw Shock Survey. I: Methods and First Catalogue
摘要：
背景：弓形激波是由许多存在激波的天体产生的。由逃逸恒星产生的恒星弓激波，以前曾被少量探测到，并得到了充分的研究。随着模型开发的进展和观测仪器的改进，我们现在可以更清楚地了解这些物体产生的辐射及其来源。目的：我们通过应用统一的搜索准则和系统的搜索过程产生一个恒星弓激波目录。这个星表是统计学研究的起点，帮助我们解决一些基本问题，例如，在什么条件下可以探测到恒星弓激波。方法：利用最新的红外观测资料，对早型逃逸星产生的弓形激波进行了研究。我们首先探讨了一组已知的IRAS弓形激波候选者是否在最近可用的IR数据中可见，其具有更高的分辨率和灵敏度。然后，我们从最新的大的逃逸星目录中挑选了一些逃逸星。在第一个版本中，我们专注于OB星，并在这些恒星附近搜索弓形特征。结果：我们提供了一个弓激波候选人调查，共收集了28名成员，我们称之为广泛的恒星弓激波调查（E-BOSS）。我们推导出主要的弓激波参数，并提出了一些初步的统计结果检测对象。结论：我们对初始样本和新探测到的天体的分析得出，OB星周围的弓形激波可探测性为$\sim$ 10%。这种探测似乎并不特别依赖于恒星质量、年龄或位置。E-BOSS样本的扩展，即将到来的IR数据，并考虑到，例如，其他光谱类型，以及，将使我们能够执行更详细的研究结果。
英文摘要：
Context: Bow shocks are produced by many astrophysical objects where shock waves are present. Stellar bow shocks, generated by runaway stars, have been previously detected in small numbers and well-studied. Along with progress in model development and improvements in observing instruments, our knowledge of the emission produced by these objects and its origin can now be more clearly understood. Aims: We produce a stellar bow-shock catalogue by applying uniform search criteria and a systematic search process. This catalogue is a starting point for statistical studies, to help us address fundamental questions such as, for instance, the conditions under wich a stellar bow shock is detectable. Methods: By using the newest infrared data releases, we carried out a search for bow shocks produced by early-type runaway stars. We first explored whether a set of known IRAS bow shock candidates are visible in the most recently available IR data, which has much higher resolution and sensitivity. We then carried out a selection of runaway stars from the latest, large runaway catalogue available. In this first release, we focused on OB stars and searched for bow-shaped features in the vicinity of these stars. Results: We provide a bow-shock candidate survey that gathers a total of 28 members which we call the Extensive stellar BOw Shock Survey (E-BOSS). We derive the main bow-shock parameters, and present some preliminary statistical results on the detected objects. Conclusions: Our analysis of the initial sample and the newly detected objects yields a bow-shock detectability around OB stars of $\sim$ 10 per cent. The detections do not seem to depend particularly on either stellar mass, age or position. The extension of the E-BOSS sample, with upcoming IR data, and by considering, for example, other spectral types as well, will allow us to perform a more detailed study of the findings.
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