标题： YMDB目录：用于确定高精度绝对恒星参数的年轻大质量分离双星 显示英文标题

标题： The YMDB catalog: Young massive detached binaries for the determination of high-precision absolute stellar parameters

摘要： 大质量恒星在星系的宇宙动力学和化学演化中起着关键作用，然而我们对它们的演化和性质的理解仍然有限。 准确确定恒星参数对于推进我们的知识至关重要。 分离食双星（DEBs）特别有价值，因为其恒星组分之间的相互作用最小，使得可以进行精确测量。 本研究介绍了年轻的高质量分离双星（YMDB）目录，旨在填补对年轻大质量恒星高精度绝对参数确定的空白。 通过专注于光谱范围O9-B1内的DEBs，该目录旨在为未来的研究提供一个可靠的数据库，并改善我们对大质量恒星演化的理解。 我们使用通过定制管道处理的TESS光变曲线（LCs）对87颗分离双星中的年轻大质量恒星进行了光度分析。 该分析包括确定亮度变化的振幅、轨道周期、最小时刻、偏心率以及近日点进动和心跳现象的存在。 进行了全面的文献回顾以获得MK光谱分类。 我们对19个系统进行了自己的光谱分类，以支持那些缺乏或不确定新分类的样本。 分析发现了20个之前未报告的双星系统，其中13个被新识别为变星。 在检查的87颗恒星中，30颗已被确认为YMDB成员，25颗是等待光谱分类的候选者。 其余的32颗恒星属于不适合的光谱类型或非分离双星性质。 显著的发现包括新的LC分类的识别、13个系统中的偏心率以及几个目标中的心跳现象。 YMDB目录提供了高质量的LCs和可靠的恒星分类资源。 显示英文摘要

摘要： Massive stars play a crucial role in the cosmic dynamics and chemical evolution of galaxies, however our understanding of their evolution and properties remains limited. An accurate determination of stellar parameters is essential for advancing our knowledge. Detached eclipsing binaries (DEBs) are particularly valuable for these determinations due to the minimal interaction between their stellar components, allowing for precise measurements. This study introduces the Young Massive Detached Binary (YMDB) catalog, designed to address the gap in the high-precision absolute parameter determination for young massive stars. By focusing on DEBs within the spectral range O9-B1, this catalog seeks to provide a reliable database for future studies and improve our understanding of massive star evolution. We conducted a photometric analysis of 87 young massive stars in DEBs using TESS light curves (LCs) that were processed through a custom pipeline. This analysis involved determining the amplitude of magnitude variations, orbital periods, times of minima, eccentricities, and the presence of apsidal motion and heartbeat phenomena. A thorough literature review was performed to obtain MK spectral classifications. We performed our own spectral classification of 19 systems to support the sample where a new classification was lacking or inconclusive. The analysis identified 20 previously unreported binary systems, with 13 newly recognized as variables. Among the 87 stars examined, 30 are confirmed as YMDB members, and 25 are candidates pending spectral classification. The remaining 32 stars belong to unsuitable spectral types or nondetached binary nature. Notable findings include the identification of new LC classifications, eccentricities in 13 systems, and heartbeat phenomena in several targets. The YMDB catalog offers a resource of high-quality LCs and reliable stellar classifications.