2026-10-13T11:01:52Z https://www.scidb.cn/oai

10.57760/sciencedb.j00167.00012 2025-03-07T10:11:03Z

2025-03-07 Chemical Abundances of OCs in the Current Sample (Extract). The full table is available at the ScienceDB doi:10.57760/sciencedb.j00167.00012 en | **Column** | **字段名** | **解释** | **单位/备注** ||-----------|-----------|---------|--------------|| **Column 1** | **Cluster** | 疏散星团名称 | || **Column 2** | **RA_ICRS** | 赤经（ICRS 坐标） | || **Column 3** | **DE_ICRS** | 赤纬（ICRS 坐标） | || **Column 4** | **RV** | 径向速度 | km/s || **Column 5** | **Rgc** | 银心距离 | pc || **Column 6** | **log age50** | 对数年龄 | || **Column 7** | **[O/Fe]mean** | [O/Fe] 均值 | || **Column 8** | **[O/Fe]std** | [O/Fe] 标准差 | || **Column 9** | **[Mg/Fe]mean** | [Mg/Fe] 均值 | || **Column 10** | **[Mg/Fe]std** | [Mg/Fe] 标准差 | || **Column 11** | **[Si/Fe]mean** | [Si/Fe] 均值 | || **Column 12** | **[Si/Fe]std** | [Si/Fe] 标准差 | || **Column 13** | **[Ca/Fe]mean** | [Ca/Fe] 均值 | || **Column 14** | **[Ca/Fe]std** | [Ca/Fe] 标准差 | || **Column 15** | **[Ti/Fe]mean** | [Ti/Fe] 均值 | || **Column 16** | **[Ti/Fe]std** | [Ti/Fe] 标准差 | | echniques:XGBoost model; LAMOST DR11 — stars:Open clusters — stars: individual: α-elements abundances; chemical gradients; galactic chemical evolution Chengyuan Wu Ruyuan Zhang Jianxing Chen PUBLIC https://creativecommons.org/publicdomain/zero/1.0/ dataset http://www.doi.org/10.1088/1674-4527/adba29 Science Data Bank