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MAGIS (Measuring Abundances of red super Giants with Infrared Spectroscopy) project

Daisuke Taniguchi, Noriyuki Matsunaga, Naoto Kobayashi, Mingjie Jian, Brian Thorsbro, Kei Fukue, Satoshi Hamano, Yuji Ikeda, Hideyo Kawakita, Sohei Kondo, Shogo Otsubo, Hiroaki Sameshima, Takuji Tsujimoto and Chikako Yasui
Astronomy & Astrophysics 693 A163 (2025)
https://doi.org/10.1051/0004-6361/202452392

TOI-2458 b: A mini-Neptune consistent with in situ hot Jupiter formation

Ján Šubjak, Davide Gandolfi, Elisa Goffo, David Rapetti, Dawid Jankowski, Toshiyuki Mizuki, Fei Dai, Luisa M. Serrano, Thomas G. Wilson, Krzysztof Goździewski, Grzegorz Nowak, Jon M. Jenkins, Joseph D. Twicken, Joshua N. Winn, Allyson Bieryla, David R. Ciardi, William D. Cochran, Karen A. Collins, Hans J. Deeg, Rafael A. García, Eike W. Guenther, Artie P. Hatzes, Petr Kabáth, Judith Korth, David W. Latham, et al.
Astronomy & Astrophysics 693 A235 (2025)
https://doi.org/10.1051/0004-6361/202451057

The First Chemical Census of the Milky Way’s Nuclear Star Cluster

Govind Nandakumar, Nils Ryde, Mathias Schultheis, R. Michael Rich, Paola di Matteo, Brian Thorsbro and Gregory Mace
The Astrophysical Journal Letters 982 (1) L14 (2025)
https://doi.org/10.3847/2041-8213/adbb6d

Chemical Abundances in the Nuclear Star Cluster of the Milky Way: Alpha-element Trends and Their Similarities with the Inner Bulge

Nils Ryde, Govind Nandakumar, Mathias Schultheis, Georges Kordopatis, Paola di Matteo, Misha Haywood, Rainer Schödel, Francisco Nogueras-Lara, R. Michael Rich, Brian Thorsbro, Gregory N. Mace, Oscar Agertz, Anish M. Amarsi, Jessica Kocher, Marta Molero, Livia Orglia, Giulia Pagnini and Emanuele Spitoni
The Astrophysical Journal 979 (2) 174 (2025)
https://doi.org/10.3847/1538-4357/ad9b2b

A New Approach to Identifying Red Supergiant Stars in Metal-poor Galaxies: A Case Study of NGC 6822

Zhi-wen 志文 Li 李, Ming 明 Yang 杨, Biwei 碧沩 Jiang 姜 and Yi 逸 Ren 任
The Astrophysical Journal 979 (2) 208 (2025)
https://doi.org/10.3847/1538-4357/ada1d4

The GAPS programme at TNG

D. Sicilia, L. Malavolta, G. Scandariato, L. Fossati, A. F. Lanza, A. S. Bonomo, F. Borsa, G. Guilluy, V. Nascimbeni, L. Pino, F. Biassoni, M. C. D’Arpa, I. Pagano, A. Sozzetti, M. Stangret, R. Cosentino, P. Giacobbe, M. Lodi, J. Maldonado, D. Nardiello and M. Pedani
Astronomy & Astrophysics 693 A316 (2025)
https://doi.org/10.1051/0004-6361/202451937

Comprehensive analysis of four Kepler eclipsing binaries possessing solar-type components on wide eccentric orbits

Orkun Özdarcan and Ömür Çakırlı
Monthly Notices of the Royal Astronomical Society 537 (2) 1879 (2025)
https://doi.org/10.1093/mnras/staf141

Uncovering the invisible: A study of Gaia18ajz, a candidate black hole revealed by microlensing

K. Howil, Ł. Wyrzykowski, K. Kruszyńska, P. Zieliński, E. Bachelet, M. Gromadzki, P. J. Mikołajczyk, K. Kotysz, M. Jabłońska, Z. Kaczmarek, P. Mróz, N. Ihanec, M. Ratajczak, U. Pylypenko, K. Rybicki, D. Sweeney, S. T. Hodgkin, M. Larma, J. M. Carrasco, U. Burgaz, V. Godunova, A. Simon, F. Cusano, M. Jelinek, J. Štrobl, et al.
Astronomy & Astrophysics 694 A94 (2025)
https://doi.org/10.1051/0004-6361/202451046

Chemically Self-consistent Modeling of the Globular Cluster NGC 2808 and its Effects on the Inferred Helium Abundance of Multiple Stellar Populations

Emily M. Boudreaux, Brian C. Chaboyer, Amanda Ash, Renata Edaes Hoh and Gregory Feiden
The Astrophysical Journal 980 (2) 180 (2025)
https://doi.org/10.3847/1538-4357/ad9740

Planets Around Solar Twins/Analogs (PASTA). I. High-precision Stellar Chemical Abundances for 17 Planet-hosting Stars and the Condensation Temperature Trend*

Qinghui Sun, Sharon Xuesong Wang, Tianjun Gan, Chenyang Ji, Zitao Lin, Yuan-Sen Ting, Johanna Teske, Haining Li, Fan Liu, Xinyan Hua, Jiaxin Tang, Jie Yu, Jiayue Zhang, Mariona Badenas-Agusti, Andrew Vanderburg, George R. Ricker, Roland Vanderspek, David W. Latham, Sara Seager, Jon M. Jenkins, Richard P. Schwarz, Tristan Guillot, Thiam-Guan Tan, Dennis M. Conti, Kevin I. Collins, et al.
The Astrophysical Journal 980 (2) 179 (2025)
https://doi.org/10.3847/1538-4357/ad9924

Stellar obliquities of eight close-in gas giant exoplanets

J. Zak, H. M. J. Boffin, E. Sedaghati, A. Bocchieri, Z. Balkoova, M. Skarka and P. Kabath
Astronomy & Astrophysics 694 A91 (2025)
https://doi.org/10.1051/0004-6361/202452171

New Stellar Parameters, Metallicities, and Elemental Abundance Ratios for 311 Metal-poor Stars

Sanil Mittal and Ian U. Roederer
The Astronomical Journal 169 (3) 172 (2025)
https://doi.org/10.3847/1538-3881/adadf0

Mapping the Milky Way with Gaia Bp/Rp spectra

Xianhao Ye, Wenbo Wu, Carlos Allende Prieto, David S. Aguado, Jingkun Zhao, Jonay I. González Hernández, Rafael Rebolo, Gang Zhao, Zhuohan Li, Carlos del Burgo and Yuqin Chen
Astronomy & Astrophysics 695 A75 (2025)
https://doi.org/10.1051/0004-6361/202452871

Tracing chemical depletion in evolved binaries hosting second-generation transition discs

Maksym Mohorian, Devika Kamath, Meghna Menon, Anish M Amarsi, Hans Van Winckel, Claudia Fava and Kateryna Andrych
Monthly Notices of the Royal Astronomical Society 538 (3) 1339 (2025)
https://doi.org/10.1093/mnras/staf375

Barium Abundances of Common Stars in the Gaia-ESO Survey and the LAMOST Medium-resolution Survey

Tian-Yi Chen, Jian-Rong Shi, Hong-Liang Yan, Shuai Liu, Chun-Qian Li, Xiao-Jin Xie, Ze-Ming Zhou, Yao-Jia Tang and Ming-Yi Ding
The Astrophysical Journal 982 (2) 182 (2025)
https://doi.org/10.3847/1538-4357/adbbe0

Chromospherically active stars: Chemical composition of photospheres in 20 RS CVn stars

B. Bale, G. Tautvaišienė, R. Minkevičiūtė, A. Drazdauskas, Š. Mikolaitis, E. Stonkutė and M. Ambrosch
Astronomy & Astrophysics 696 A23 (2025)
https://doi.org/10.1051/0004-6361/202452780

Improving the stellar age determination through joint modeling of binarity and asteroseismology

D. H. Grossmann, P. G. Beck, S. Mathur, C. Johnston, D. Godoy-Rivera, J. C. Zinn, S. Cassisi, B. Liagre, T. Masseron, R. A. García, A. Hanslmeier, N. Muntean, L. S. Schimak, L. Steinwender and D. Stello
Astronomy & Astrophysics 696 A42 (2025)
https://doi.org/10.1051/0004-6361/202452626

Oxygen Isotope Ratios in Hydrogen-deficient Carbon Stars: A Correlation with Effective Temperature and Implications for White Dwarf Merger Outcomes

Advait Mehla, Mansi M. Kasliwal, Viraj Karambelkar, Patrick Tisserand, Courtney Crawford, Geoffrey Clayton, Jamie Soon and Varun Bhalerao
Publications of the Astronomical Society of the Pacific 137 (4) 044201 (2025)
https://doi.org/10.1088/1538-3873/adc0bf

The Bulge Cluster Origin (BulCO) survey at the ESO-VLT: Probing the early history of the Milky Way assembly. Design and first results in Liller 1

F. R. Ferraro, L. Chiappino, A. Bartolomei, L. Origlia, C. Fanelli, B. Lanzoni, C. Pallanca, M. Loriga, S. Leanza, E. Valenti, D. Romano, A. Mucciarelli, D. Massari, M. Cadelano, E. Dalessandro, C. Crociati and R. M. Rich
Astronomy & Astrophysics 696 A179 (2025)
https://doi.org/10.1051/0004-6361/202554092

Refractory and Volatile Species in the UV-to-IR Transmission Spectrum of Ultra-hot Jupiter WASP-178b with HST and JWST

Joshua D. Lothringer, Katherine A. Bennett, David K. Sing, Brian Kehoe-Seamons, Zafar Rustamkulov, Henrique Reggiani, Kevin C. Schlaufman, Patrick McCreery, Seti Norris, Peter Hauschildt, Ceiligh Cacho-Negrete, Amélie Gressier, Néstor Espinoza, Cyril Gapp, Thomas M. Evans-Soma, Kevin B. Stevenson, Hannah Wakeford, Neale Gibson, Jamie Wilson and Nikolay Nikolov
The Astronomical Journal 169 (5) 274 (2025)
https://doi.org/10.3847/1538-3881/adc117

Korg: Fitting, Model Atmosphere Interpolation, and Brackett Lines

Adam J. Wheeler, Andrew R. Casey and Matthew W. Abruzzo
The Astronomical Journal 167 (2) 83 (2024)
https://doi.org/10.3847/1538-3881/ad19cc

Exploring fluorine chemical evolution in the Galactic disk: The open cluster perspective

S. Bijavara Seshashayana, H. Jönsson, V. D’Orazi, N. Sanna, G. Andreuzzi, G. Nandakumar, A. Bragaglia, D. Romano and E. Spitoni
Astronomy & Astrophysics 689 A120 (2024)
https://doi.org/10.1051/0004-6361/202451056

Chemical Cartography with APOGEE: Two-process Parameters and Residual Abundances for 288,789 Stars from Data Release 17

Tawny Sit, David H. Weinberg, Adam Wheeler, Christian R. Hayes, Sten Hasselquist, Thomas Masseron and Jennifer Sobeck
The Astrophysical Journal 970 (2) 180 (2024)
https://doi.org/10.3847/1538-4357/ad4ed2

Driving factors behind multiple populations

Ruoyun Huang, Baitian Tang, Chengyuan Li, Doug Geisler, Mario Mateo, Ying-Yi Song, Holger Baumgardt, Julio A. Carballo-Bello, Yue Wang, Jundan Nie, Bruno Dias and José G. Fernández-Trincado
Science China Physics, Mechanics & Astronomy 67 (5) (2024)
https://doi.org/10.1007/s11433-023-2332-5

The GALAH survey: tracing the Milky Way’s formation and evolution through RR Lyrae stars

Valentina D’Orazi, Nicholas Storm, Andrew R Casey, Vittorio F Braga, Alice Zocchi, Giuseppe Bono, Michele Fabrizio, Christopher Sneden, Davide Massari, Riano E Giribaldi, Maria Bergemann, Simon W Campbell, Luca Casagrande, Richard de Grijs, Gayandhi De Silva, Maria Lugaro, Daniel B Zucker, Angela Bragaglia, Diane Feuillet, Giuliana Fiorentino, Brian Chaboyer, Massimo Dall’Ora, Massimo Marengo, Clara E Martínez-Vázquez, Noriyuki Matsunaga, et al.
Monthly Notices of the Royal Astronomical Society 531 (1) 137 (2024)
https://doi.org/10.1093/mnras/stae1149

Chemical abundances for a sample of FGK dwarfs in the Pleiades open cluster from APOGEE

Vinicius Grilo, Diogo Souto, Katia Cunha, Rafael Guerço, Rodrigo Vieira, Verne Smith, Deusalete Vilar, Anderson Silva-Andrade, Fábio Wanderley, Simone Daflon and João Victor Sales Silva
Monthly Notices of the Royal Astronomical Society 534 (4) 3005 (2024)
https://doi.org/10.1093/mnras/stae2209