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JINA - Segue Virtual Journal, 8 August 2025

Volume 20, Issue 24 (8 Articles)

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• # 1 - A second-generation star in a relic dwarf galaxy
  • Anirudh Chiti, Vinicius M. Placco, Andrew B. Pace, Alexander P. Ji, Deepthi S. Prabhu, William Cerny, Guilherme Limberg, Guy S. Stringfellow, Alex Drlica-Wagner, Kaia R. Atzberger, Yumi Choi, Denija Crnojevi'c, Peter S. Ferguson, Nitya Kallivayalil, Noelia E. D. No"el, Alexander H. Riley, David J. Sand, Joshua D. Simon, Alistair R. Walker, Clecio R. Bom, Julio A. Carballo-Bello, David J. James, Clara E. Mart'inez-V'azquez, Gustavo E. Medina, Kathy Vivas
  • https://arxiv.org/abs/2508.04053
• # 2 - Discovery of an $rm[Fe/H] sim -4.8$ Star in $Gaia$ XP Spectra
  • Guilherme Limberg, Vinicius M. Placco, Alexander P. Ji, Yupeng Yao, Anirudh Chiti, Mohammad K. Mardini, Anna Frebel, Silvia Rossi
  • https://arxiv.org/abs/2508.00067
• # 3 - How Early Could the Milky Way's Disk Form?
  • Vadim A. Semenov, Charlie Conroy, Aaron Smith, Ewald Puchwein, Lars Hernquist
  • https://arxiv.org/abs/2409.18173
• # 4 - Mass loss and dynamical friction on the Fornax dSph galaxy in the Milky Way potential
  • Pierfrancesco Di Cintio, Giuliano Iorio, Carlo Nipoti, Francesco Calura
  • https://arxiv.org/abs/2508.03286
• # 5 - Spectroscopic ages for 4 million main-sequence dwarf stars from LAMOST DR10 estimated with data-driven approach
  • Jia-Hui Wang, Maosheng Xiang, Meng Zhang, Jiwei Xie, Jian Ge, Jinghua Zhang, Lanya Mou, Jifeng Liu
  • https://arxiv.org/abs/2508.03019
• # 6 - The binary fraction of Blue Horizontal-Branch (BHB) Stars
  • Yanjun Guo, Kun Chen, Zhenwei Li, Jie Ju, Chao Liu, Xiangxiang Xue, Matti Dorsch, Zhanwen Han, XueFei Chen
  • https://arxiv.org/abs/2508.02790
• # 7 - Estimating Fe and Mg Abundances in the Milky Way Dwarf Galaxies Using Subaru/HSC and DEIMOS
  • Jihye Hong, Evan N. Kirby, Tiffany M. Tang, Masashi Chiba, Yutaka Komiyama, Lauren E. Henderson, Itsuki Ogami, Timothy C. Beers
  • The Astrophysical Journal
  • https://doi.org/10.3847/1538-4357/ade679
• # 8 - A Metallicity Catalog of Very Metal-poor Main-sequence Turn-off and Red Giant Stars from LAMOST DR10
  • Xiangyu Li, Huiling Chen, Yang Huang, Huawei Zhang, Timothy C. Beers, Linxuan Zhu, Jifeng Liu
  • The Astrophysical Journal Supplement
  • https://doi.org/10.3847/1538-4365/ade3ca