Segue Virtual Journal

JINA - Segue Virtual Journal, 28 November 2025

Volume 20, Issue 40 (7 Articles)

# 1 - Data-Driven Stellar Spectral Modelling with GSPICE
# 2 - r-Process nucleosynthesis from hyperaccreting neutron stars in common envelopes
# 3 - The WEAVE-TwiLight-Survey: Expanding WEAVE's Reach to Bright and Low-Surface-Density Targets with a Novel Observing Mode
- Thomas Hajnik (Institute of Astronomy, University of Cambridge, Cambridge, UK), Nicholas A. Walton (Institute of Astronomy, University of Cambridge, Cambridge, UK), Giuseppe D'Ago (Institute of Astronomy, University of Cambridge, Cambridge, UK), Piercarlo Bonifacio (Observatoire de Paris, Meudon, France), Gavin Dalton (University of Oxford, Oxford, UK, STFC Rutherford Appleton Laboratory, Harwell, UK), Lilian Dominguez-Palmero (Isaac Newton Group, Santa Cruz de La Palma, Spain, Instituto de Astrofisica de Canarias, La Laguna, Spain), Emanuel Gafton (Isaac Newton Group, Santa Cruz de La Palma, Spain), Mike J. Irwin (Institute of Astronomy, University of Cambridge, Cambridge, UK), Sergio Pico (Isaac Newton Group, Santa Cruz de La Palma, Spain), David Terrett (University of Oxford, Oxford, UK, STFC Rutherford Appleton Laboratory, Harwell, UK), Anke Ardern-Arentsen (Institute of Astronomy, University of Cambridge, Cambridge, UK), Ruben Sanchez-Janssen (Isaac Newton Group, Santa Cruz de La Palma, Spain), David S. Aguado (Instituto de Astrofisica de Canarias, La Laguna, Spain, Universidad de La Laguna, La Laguna, Spain, Institute of Astronomy, University of Cambridge, Cambridge, UK), J. Alfonso L. Aguerri (Instituto de Astrofisica de Canarias, La Laguna, Spain, Universidad de La Laguna, La Laguna, Spain), Carlos Allende Prieto (Instituto de Astrofisica de Canarias, La Laguna, Spain, Universidad de La Laguna, La Laguna, Spain), Marc Balcells (Isaac Newton Group, Santa Cruz de La Palma, Spain, Instituto de Astrofisica de Canarias, La Laguna, Spain, Universidad de La Laguna, La Laguna, Spain), Chris Benn (Isaac Newton Group, Santa Cruz de La Palma, Spain), Angela Bragaglia (INAF-OAS Bologna, Bologna, Italy), Elisabetta Caffau (Observatoire de Paris, Meudon, France), Esperanza Carrasco (INAOE, Tonantzintla, Mexico), Ricardo Carrera (INAF-OAS Bologna, Bologna, Italy), Silvano Desidera (INAF-Osservatorio Astronomico di Padova, Padova, Italy), Boris T. Gansicke (University of Warwick, Coventry, UK), Sarah Hughes (MIT Kavli Institute, Cambridge, USA), Shoko Jin (Kapteyn Astronomical Institute, Groningen, The Netherlands), Ian Lewis (University of Oxford, Oxford, UK), Alireza Molaeinezhad (Institute of Astronomy, University of Cambridge, Cambridge, UK), David N. A. Murphy (Institute of Astronomy, University of Cambridge, Cambridge, UK), Ellen Schallig (University of Oxford, Oxford, UK), Scott Trager (Kapteyn Astronomical Institute, Groningen, The Netherlands), Antonella Vallenari (INAF-Osservatorio Astronomico di Padova, Padova, Italy)
- https://arxiv.org/abs/2511.21184
# 4 - The odd primordial halo of the Milky Way implied by Gaia: A shallow core, but a steep decline
- Pengfei Li, Stacy S. McGaugh, Marcel S. Pawlowski, FranÃ§ois Hammer, J. A. Sellwood
- Astronomy & Astrophysics
- https://www.aanda.org/10.1051/0004-6361/202557021
# 5 - Understanding the origin of palladium in metal-poor stars based on the non-local thermodynamic equilibrium analysis of Pd I lines★
- L. Mashonkina, A. Smogorzhevskii
- Astronomy & Astrophysics
- https://www.aanda.org/10.1051/0004-6361/202557263
# 6 - Rare find: Discovery and chemo-dynamical properties of two s-process-enhanced RR Lyrae stars
- V. DâOrazi, G. Iorio, B. Cseh, C. Sneden, H. Abdollahi, L. MolnÃ¡r, A. Bobrick, G. Bono, V. F. Braga, A. Karakas, M. Lugaro, S. W. Campbell, M. Fabrizio, G. Fiorentino, I. U. Roederer, N. Storm, M. Tantalo, J. Crestani
- Astronomy & Astrophysics
- https://www.aanda.org/10.1051/0004-6361/202557188
# 7 - Search for Distant Hypervelocity Star Candidates Using RR Lyrae Stars
- Haozhu Fu, Yang Huang, Huawei Zhang
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ae0c09