Uniform Forward-Modeling Analysis of Ultracool Dwarfs. IV. Benchmarking the Sonora Diamondback and Saumon & Marley (2008) Atmospheric Models Across Late-M, L, and T types with Low-Resolution 0.8--2.5 μm Spectroscopy

This dataset contains the materials presented in the paper, "Uniform Forward-Modeling Analysis of Ultracool Dwarfs. IV. Benchmarking the Sonora Diamondback and Saumon & Marley (2008) Atmospheric Models Across Late-M, L, and T types with Low-Resolution 0.8--2.5 μm Spectroscopy" (Mader et al. 2026), accepted for publication in the Astronomical Journal. Please cite this paper and the Zenodo repository if these data are used in your work. Description: summary_benchmarks.csv Physical properties of all benchmark objects derived from evolution models and atmospheric models. README_ANCHOR_IV_Benchmarking_SDB_SM08_models.dat README file for the above CSV table SDB_specfit_figures.zip Data-model comparison figures for all objects based on the Sonora Diamondback spectral fits. SDB_ext_specfit_figures.zip Data-model comparison figures for all objects based on the Sonora Diamondback spectral fits with an ISM-like extinction term incorporated. SM08_specfit_figures.zip Data-model comparison figures for all objects based on the SM08 spectral fits. SM08_ext_specfit_figures.zip Data-model comparison figures for all objects based on the SM08 spectral fits with an ISM-like extinction term incorporated.本数据集收录了已被《天文期刊》（Astronomical Journal）接收待发表的论文《超冷矮星的统一正演模型分析 Ⅳ：基于0.8–2.5 μm低分辨率光谱，对晚M型、L型及T型天体对标Sonora Diamondback与Saumon & Marley（2008）大气模型》（Mader等，2026）中的相关研究材料。 若您的研究工作中使用了本数据集的数据，请引用该论文及Zenodo仓储。 文件说明： summary_benchmarks.csv：基于演化模型与大气模型推导得到的所有基准天体的物理属性参数表。 README_ANCHOR_IV_Benchmarking_SDB_SM08_models.dat：上述CSV表格的配套说明文档。 SDB_specfit_figures.zip：基于Sonora Diamondback光谱拟合结果生成的全部天体的数据-模型对比图压缩包。 SDB_ext_specfit_figures.zip：引入类星际介质（ISM）消光项后，基于Sonora Diamondback光谱拟合结果生成的全部天体的数据-模型对比图压缩包。 SM08_specfit_figures.zip：基于SM08（即Saumon & Marley 2008）光谱拟合结果生成的全部天体的数据-模型对比图压缩包。 SM08_ext_specfit_figures.zip：引入类星际介质消光项后，基于SM08光谱拟合结果生成的全部天体的数据-模型对比图压缩包。