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JINA - Segue Virtual Journal, 3 October 2025

Volume 20, Issue 32 (14 Articles)

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• # 1 - A nearly pristine star from the Large Magellanic Cloud
  • Alexander P. Ji, Vedant Chandra, Selenna Mejias-Torres, Zhongyuan Zhang, Philipp Eitner, Kevin C. Schlaufman, Hillary Diane Andales, Ha Do, Natalie M. Orrantia, Rithika Tudmilla, Pierre N. Thibodeaux, Keivan G. Stassun, Madeline Howell, Jamie Tayar, Maria Bergemann, Andrew R. Casey, Jennifer A. Johnson, Joleen K. Carlberg, William Cerny, Jose G. Fernandez-Trincado, Keith Hawkins, Juna A. Kollmeier, Chervin F. P. Laporte, Guilherme Limberg, Tadafumi Matsuno, Szabolcs Meszaros, Sean Morrison, David L. Nidever, Guy S. Stringfellow, Donald P. Schneider, Riley Thai
  • https://arxiv.org/abs/2509.21643
• # 2 - Carbon and nitrogen as indicators of stellar evolution and age. A homogeneous sample of 44 open clusters from the Gaia-ESO Survey
  • G. Tautvaiv{s}ien.e, A. Drazdauskas, v{S}. Mikolaitis, R. Minkeviv{c}i=ut.e, E. Stonkut.e, S. Randich, A. Bragaglia, L. Magrini, R. Smiljanic, M. Ambrosch, V. Bagdonas, G. Casali, Y. Chorniy, C. Viscasillas V'azquez
  • https://arxiv.org/abs/2510.01045
• # 3 - Chronology of our Galaxy from Gaia colour-magnitude diagram fitting (ChronoGal): IV. On the inner Milky Way stellar age distribution
  • Tom'as Ruiz-Lara, David Mirabal, Carme Gallart, Robert Grand, Francesca Fragkoudi, Isabel P'erez, Santi Cassisi, Emma Fern'andez-Alvar, Anna B. Queiroz, Guillem Aznar-Menargues, Yllari K. Gonz'alez-Koda, Alicia Rivero, Francisco Surot, Guillaume F. Thomas, Rebekka Bieri, Facundo A. Gomez, R"udiger Pakmor, Freeke van de Voort
  • https://arxiv.org/abs/2510.02238
• # 4 - First direct detection of an RR Lyrae star conclusively associated with an intermediate-age cluster
  • Cecilia Mateu (UdelaR, Uruguay), Bolivia Cuevas-Otahola (BUAP, M'exico), Juan Jos'e Downes
  • https://arxiv.org/abs/2509.22336
• # 5 - Impact of AGB stars on the chemical evolution of neutron-capture elements
  • Gabriele Cescutti, Francesca Matteucci
  • https://arxiv.org/abs/2510.01904
• # 6 - Investigating non-LTE abundances of Neodymium (Nd) in metal-poor FGK stars
  • John D. Dixon (Texas A&M University), Rana Ezzeddine (University of Florida), Yangyang Li (University of Florida), Thibault Merle (Institut d'Astronomie et d'Astrophysique, Brussels Laboratory of the Universe, Royal Observatory of Belgium), Manuel Bautista (United States Department of Energy), Yanjun Guo (Chinese Academy of Sciences)
  • https://arxiv.org/abs/2509.22811
• # 7 - Measurement of Dark Matter Substructure from the Kinematics of the GD-1 Stellar Stream
  • Jacob Nibauer, Ana Bonaca, Adrian M. Price-Whelan, David N. Spergel, Jenny E. Greene
  • https://arxiv.org/abs/2510.02247
• # 8 - The Draco Dwarf Spheroidal Galaxy in the First Year of DESI Data
  • J. Ding, C. Rockosi, Ting S. Li, S. E. Koposov, A. H. Riley, W. Wang, A. P. Cooper, N. Kizhuprakkat, M. Lambert, G. E. Medina, N. Sandford, J. Aguilar, S. Ahlen, D. Bianchi, D. Brooks, T. Claybaugh, A. de la Macorra, P. Doel, J. E. Forero-Romero, E. Gaztanaga, S. Gontcho A Gontcho, G. Gutierrez, J. Guy, M. Ishak, R. Kehoe, T. Kisner, A. Kremin, O. Lahav, M. Landriau, L. Le Guillou, A. Meisner, R. Miquel, J. Moustakas, F. Prada, I. Perez-Rafols, G. Rossi, E. Sanchez, M. Schubnell, J. Silber, D. Sprayberry, G. Tarle, B. A. Weaver, R. Zhou
  • https://arxiv.org/abs/2509.21822
• # 9 - The inner rotation curve of the Milky Way
  • Y. Sofue, M. Kohno
  • https://arxiv.org/abs/2509.23581
• # 10 - [C/N] Ages for Red Giants and their Implications for Galactic Archaeology
  • John D. Roberts, Marc H. Pinsonneault, Jennifer A. Johnson, Liam O. Dubay, James W. Johnson
  • https://arxiv.org/abs/2509.25321
• # 11 - Investigating Phosphorus Abundances in a Sample of APOGEE-2 Bulge Globular Clusters
  • Beatriz Barbuy, José G. Fernández-Trincado, Morgan S. Camargo, Doug Geisler, Maren Brauner, Sandro Villanova, Dante Minniti, Domingo Anibal García-Hernández, Stefano O. Souza, Heitor Ernandes
  • Astronomical Journal
  • https://doi.org/10.3847/1538-3881/ae046b
• # 12 - Carbon-enhanced dwarf stars are predominantly a halo population
  • Monthly Notices of the Royal Astronomical Society - Volume: 543, Issue: 1
  • https://academic.oup.com/mnras/article/543/1/851/8251682?rss=1
• # 13 - A Novel Approach to Identifying Substructures through Analysis of Metallicity Distribution Functions
  • Young Kwang Kim, Young Sun Lee, Timothy C. Beers
  • The Astrophysical Journal
  • https://doi.org/10.3847/1538-4357/adfd58
• # 14 - A New Subclass of Carbon-enhanced Metal-poor Stars at Extremely Low Metallicity
  • Young Sun Lee, Timothy C. Beers, Yutaka Hirai, Jihye Hong, Miji Jeong, Changmin Kim, Young Kwang Kim
  • The Astrophysical Journal Letters
  • https://doi.org/10.3847/2041-8213/ae0641