AI 中文总结
本文针对银河B5-A5型超巨星，建立了基于光学光谱特征的经验有效温度定标关系，提供了均匀易用的温度标度，相关数据与工具已公开。
AI 中文摘要
我们基于光学光谱，提出了银河B5-A5型光谱超巨星的经验有效温度Teff定标。这些关系源自采用文献温度的参考样本，使用等值宽度、谱线中心深度及选定光谱特征的比值作为温度指标，针对单个诊断量及其比值建立了二次关系。总体而言，这些定标覆盖了8400K至14700K的Teff区间，各关系的有效范围均有单独规定。详细的定量大气分析对推导物理自洽的恒星参数仍是不可或缺的，但将其应用于大规模光谱样本时，观测和计算需求较高。本文提出的经验关系为银河BA型超巨星的表征提供了均匀且易于应用的温度标度，完整的定标表（含拟合系数与不确定度信息）及用于应用这些关系的交互式Python工具可通过Zenodo公开获取，经归约的连续谱归一化光谱及相关元数据则通过哈萨克斯坦国家虚拟天文台的VO兼容服务发布。
英文摘要
We present empirical effective temperature Teff calibrations for Galactic supergiants of spectral types B5-A5 based on optical spectra. The relationships were derived from a reference sample with adopted literature temperatures and use equivalent widths, central line depths, and ratios of selected spectral features as temperature indicators. Quadratic relationships are established for individual diagnostics and their ratios. Collectively, the calibrations span a Teff interval from 8 400 K to 14 700K, while the validity range of each relationships is individually specified. Detailed quantitative atmospheric analyzes remain indispensable for deriving physically consistent stellar parameters. However, their application to extensive spectroscopic samples is observationally and computationally demanding. The empirical relationships presented here provide a homogeneous and readily applicable temperature scale for the characterization of Galactic BA supergiants. The complete calibration tables, including fitted coefficients and uncertainty information, together with an interactive Python tool to apply the relationships, are publicly available through Zenodo. The reduced continuum-normalized spectra and associated metadata are published through a VO--compliant service of the Kazakhstan National Virtual Observatory.
Comments13 pages, 2 figures, 5 tabbles. Accepted for publication in The Astrophysical Journal
