Be stars vary on many timescales, from hours to decades. A long time base of observations to analyze certain phenomena in these stars is therefore necessary. Collecting all existing and future Be star spectra into one database has thus emerged as an important tool for the Be star community. Moreover, for statistical studies, it is useful to have centralized information on all known Be stars via an up-to-date catalog. These two goals are what the Be Star Spectra (BeSS, http://basebe.obspm.fr) database proposes to achieve. The database contains an as-complete-as-possible catalog of known Be stars with stellar parameters, as well as spectra of Be stars from all origins (any wavelength, any epoch, any resolution, etc.). It currently contains over 54,000 spectra of more than 600 different Be stars among the ~2000 Be stars in the catalog. A user can access and query this database to retrieve information on Be stars or spectra. Registered members can also upload spectra to enrich the database. Spectra obtained by professional as well as amateur astronomers are individually validated in terms of format and science before being included in BeSS. In this paper, we present the database itself as well as examples of the use of BeSS data in terms of statistics and the study of individual stars.
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机译：成为恒星的时间范围从数小时到数十年不等。因此，需要长时间的观测来分析这些恒星中的某些现象。因此，将所有现有和未来的Be star光谱收集到一个数据库中已成为Be star社区的重要工具。此外，对于统计研究而言，通过最新目录获得所有已知Be星星的集中信息非常有用。这两个目标是Be Star Spectra（BeSS，http://basebe.obspm.fr）数据库建议实现的目标。该数据库包含具有恒星参数的已知Be恒星的尽可能完整的目录，以及所有来源（任何波长，任何纪元，任何分辨率等）的Be恒星的光谱。它目前包含目录中约2000个Be星星中超过600个不同Be星星的54,000张光谱。用户可以访问和查询该数据库以检索有关Be星或光谱的信息。注册成员还可以上传光谱以丰富数据库。由专业人士和业余天文学家获得的光谱，在格式和科学方面均经过单独验证，然后才被纳入BeSS。在本文中，我们介绍了数据库本身以及在统计和研究单个恒星方面使用BeSS数据的示例。
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