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From Misaligned Sub-Saturns to Aligned Brown Dwarfs: The Highest M p /M * Systems Exhibit Low Obliquities, Even around Hot Stars*

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Chemical abundances in the Milky Way's nuclear stellar disc

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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
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Lux: A Generative, Multioutput, Latent-variable Model for Astronomical Data with Noisy Labels

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The GALAH survey: Data release 4

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The most metal-poor tail of the Galactic halo: Hypothesis for its origin from precise spectral analysis

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The Pristine survey

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Abundance Measurements of the Metal-poor M Subdwarf LHS 174 Using High-resolution Optical Spectroscopy

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Evidence of Gaia Enceladus Experiencing at Least Two Passages around the Milky Way*

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SiO and a super-stellar C/O ratio in the atmosphere of the giant exoplanet WASP-121 b

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Investigating episodic mass loss in evolved massive stars

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Red giant winds driven by Alfvén waves with magnetic diffusion

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The spectral energy distributions of very long-period Cepheids in the Milky Way, the Magellanic Clouds, M31, and M33

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CAPOS: The bulge Cluster APOgee Survey

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

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https://doi.org/10.3847/1538-4357/ad9b2b

Advancing the accuracy in age determinations of old-disk stars using an oscillating red giant in an eclipsing binary

J. S. Thomsen, A. Miglio, K. Brogaard, J. Montalbán, M. Tailo, W. E. van Rossem, G. Casali, D. Jones, T. Arentoft, L. Casagrande, D. Sebastian, G. Buldgen, A. H. M. J. Triaud, M. Matteuzzi, A. Stokholm, M. N. Lund, B. Mosser, P. F. L. Maxted, J. Southworth, J. T. Gadeberg, N. Koivisto, Z. Gray, V. Pinter, K. Matilainen, A. A. Djupvik, et al.
Astronomy & Astrophysics 699 A152 (2025)
https://doi.org/10.1051/0004-6361/202453347

Chemical composition of asymptotic giant branch stars in Galactic open clusters: Implications for the initial-final mass relation

C. Abia, P. Marigo, I. Domínguez, S. Cristallo, P. de Laverny, O. Straniero and M. Romero-Gómez
Astronomy & Astrophysics 699 A210 (2025)
https://doi.org/10.1051/0004-6361/202555143

Short- and long-term variations of the high mass accretion rate classical T Tauri star DR Tau

Gabriella Zsidi, Ágnes Kóspál, Péter Ábrahám, Evelyne Alecian, Silvia H. P. Alencar, Jérôme Bouvier, Gaitee A. J. Hussain, Carlo F. Manara, Michal Siwak, Róbert Szabó, Zsófia Bora, Borbála Cseh, Csilla Kalup, Csaba Kiss, Levente Kriskovics, Mária Kun, András Pál, Ádám Sódor, Krisztián Sárneczky, Róbert Szakáts, Krisztián Vida, József Vinkó and Zófia M. Szabó
Astronomy & Astrophysics 699 A221 (2025)
https://doi.org/10.1051/0004-6361/202449576

New kinematic map of the Milky Way bulge

C. Quezada, M. Zoccali, E. Valenti, A. Rojas Arriagada, A. Renzini, O. A. Gonzalez, A. Mucciarelli, M. Rejkuba, F. Surot and A. Valenzuela Navarro
Astronomy & Astrophysics 702 A164 (2025)
https://doi.org/10.1051/0004-6361/202555412

The Crucial Role of Third Body in Formation and Evolution of Contact Binary Systems: Evidence from CY Ari and IK Lyn

Hu-Shan Xu, Zhong-Tao Han, Wei-wei Na, Zhi-Hua Wang, Wen-wu Ma and Li-Ying Zhu
The Astrophysical Journal 988 (1) 85 (2025)
https://doi.org/10.3847/1538-4357/ade152

Rubidium Abundances in Cool Giants from High-resolution H-band Spectra: A New Diagnostic for Galactic Chemical Evolution

Nils Ryde, Jess Kocher, Govind Nandakumar, Henrik Hartman, Marta Molero, Henrik Jönsson, Gregory Mace, Erica Sawczynec and Kyle F. Kaplan
The Astrophysical Journal 988 (2) 235 (2025)
https://doi.org/10.3847/1538-4357/ade87a

Low-mass Eclipsing Binaries KIC 4908495, KIC 6466939, and KIC 9474485: Isolated Pre-main-sequence Systems?

Orkun Özdarcan
The Astrophysical Journal 988 (2) 259 (2025)
https://doi.org/10.3847/1538-4357/ade986

The ESPRESSO transmission spectrum of HD189733 b

D. Mounzer, W. Dethier, C. Lovis, V. Bourrier, A. Psaridi, H. Chakraborty, M. Lendl, R. Allart, J. V. Seidel, M. R. Zapatero Osorio, P. Molaro, M. Steiner, D. Ehrenreich, Y. Alibert, I. Carleo, S. Cristiani, J. I. González Hernández, C. J. A. P. Martins, E. Palle, J. Rodrigues, N. Santos, A. Sozzetti and A. Suárez Mascareño
Astronomy & Astrophysics 700 A41 (2025)
https://doi.org/10.1051/0004-6361/202554785

CAPOS: The bulge Cluster APOgee Survey

Heinz Frelijj, Danilo González-Díaz, Doug Geisler, Sandro Villanova, Cesar Muñoz and Christian Moni Bidin
Astronomy & Astrophysics 701 A159 (2025)
https://doi.org/10.1051/0004-6361/202554279

Unlocking the mystery of strontium synthesis in the early Galaxy through analysis of barium isotopes in very metal-poor stars

T. M. Sitnova, L. Lombardo, L. I. Mashonkina, F. Rizzuti, G. Cescutti, C. J. Hansen, P. Bonifacio, E. Caffau, A. Koch-Hansen, G. Meynet and R. Fernandes de Melo
Astronomy & Astrophysics 699 A262 (2025)
https://doi.org/10.1051/0004-6361/202555073

Th/Eu abundance ratio of red giants in the Kepler field

Ainun Azhari, Tadafumi Matsuno, Wako Aoki, Miho N. Ishigaki and Eline Tolstoy
Astronomy & Astrophysics 699 A276 (2025)
https://doi.org/10.1051/0004-6361/202555281

Chemical characterisation of small substructures in the local stellar halo

Emma Dodd, Tadafumi Matsuno, Amina Helmi, Eduardo Balbinot, Thomas M. Callingham, Else Starkenburg, Hanneke C. Woudenberg and Tomás Ruiz-Lara
Astronomy & Astrophysics 700 A154 (2025)
https://doi.org/10.1051/0004-6361/202554252

Metallicities of M Dwarf Planet Host Stars from Kepler, K2, and TESS Observed by APOGEE: Trends with Exoplanetary Radii and Orbital Periods

Fábio Wanderley, Katia Cunha, Diogo Souto, Verne V. Smith and Simone Daflon
The Astronomical Journal 170 (3) 177 (2025)
https://doi.org/10.3847/1538-3881/adef12

ChemZz I: comparing oxygen and iron abundance patterns in the Milky Way, the Local Group, and Cosmic Noon

Stephanie Monty, Allison L Strom, Thomas M Stanton, Martyna Chruślińska, Fergus Cullen, Chiaki Kobayashi, Tjitske Starkenburg, Souradeep Bhattacharya, Jason L Sanders and Mark Gieles
Monthly Notices of the Royal Astronomical Society 542 (2) 1443 (2025)
https://doi.org/10.1093/mnras/staf1213

Tidal Synchronization of TESS Eclipsing Binaries

Marshall Hobson-Ritz, Jessica Birky, Leah Peterson, Peter Gwartney, Rachel Wong, John Delker, Tyler Gordon, Samantha Gilbert, James R. A. Davenport and Rory Barnes
The Astrophysical Journal 990 (2) 124 (2025)
https://doi.org/10.3847/1538-4357/adf10d

The Hot-Neptune Initiative (HONEI)

L. Naponiello, S. Vissapragada, A. S. Bonomo, M.-L. Steinmeyer, S. Filomeno, V. D’Orazi, C. Dorn, A. Sozzetti, L. Mancini, A. F. Lanza, K. Biazzo, C. N. Watkins, G. Hébrard, J. J. Lissauer, S. B. Howell, D. R. Ciardi, G. Mantovan, D. Baker, V. Bourrier, L. A. Buchhave, C. A. Clark, K. A. Collins, R. Cosentino, M. Damasso, X. Dumusque, et al.
Astronomy & Astrophysics 701 A79 (2025)
https://doi.org/10.1051/0004-6361/202555523

The mass of TOI-654 b: A short-period sub-Neptune transiting a mid-M dwarf

Kai Ikuta, Norio Narita, Takuya Takarada, Teruyuki Hirano, Akihiko Fukui, Hiroyuki Tako Ishikawa, Yasunori Hori, Tadahiro Kimura, Takanori Kodama, Masahiro Ikoma, Jerome P de Leon, Kiyoe Kawauchi, Masayuki Kuzuhara, Gaia Lacedelli, John H Livingston, Mayuko Mori, Felipe Murgas, Enric Palle, Hannu Parviainen, Noriharu Watanabe, Izuru Fukuda, Hiroki Harakawa, Yuya Hayashi, Klaus Hodapp, Keisuke Isogai, et al.
Publications of the Astronomical Society of Japan 77 (5) 1101 (2025)
https://doi.org/10.1093/pasj/psaf090

Planets Around Solar Twins/Analogs (PASTA)

Qinghui Sun, Chenyang Ji, Sharon Xuesong Wang, Zitao Lin, Johanna Teske, Yuan-Sen Ting, Megan Bedell and Fan Liu
Astronomy & Astrophysics 701 A107 (2025)
https://doi.org/10.1051/0004-6361/202556272

ACACIAS I: element abundance labels for 192 stars in the dwarf galaxy NGC 6822

Melissa K Ness, J Trevor Mendel, Sven Buder, Adam Wheeler, Alexander P Ji, Luka Mijnarends, Kim Venn, Else Starkenburg, Ryan Leaman, Kathryn Grasha and Sarah Aquilina
Monthly Notices of the Royal Astronomical Society 537 (3) 2798 (2025)
https://doi.org/10.1093/mnras/staf127

Carbon-enhanced dwarf stars are predominantly a halo population

Jay Farihi, Jason L Sanders, Sophia Lilleengen, Lewis J Whitehouse and Denis Erkal
Monthly Notices of the Royal Astronomical Society 543 (1) 851 (2025)
https://doi.org/10.1093/mnras/staf1512

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, Amâncio Friaça and Marco Pignatari
The Astronomical Journal 170 (4) 245 (2025)
https://doi.org/10.3847/1538-3881/ae046b

Barium isotopic ratios in metal-poor stars: Calibrating the method with globular clusters

R. E. Giribaldi, L. Magrini, J. Schiappacasse-Ulloa, S. Randich and T. Merle
Astronomy & Astrophysics 702 A65 (2025)
https://doi.org/10.1051/0004-6361/202556407

TOI-1438: A rare system with two short-period sub-Neptunes and a tentative long-period Jupiter-like planet orbiting a K0V star

Carina M. Persson, Emil Knudstrup, Ilaria Carleo, Lorena Acuña-Aguirre, Grzegorz Nowak, Alexandra Muresan, Dawid Jankowski, Krzysztof Goździewski, Rafael A. García, Savita Mathur, Dinil B. Palakkatharappil, Lina Borg, Alexander J. Mustill, Rafael Barrena, Malcolm Fridlund, Davide Gandolfi, Artie P. Hatzes, Judith Korth, Rafael Luque, Eduardo L. Martín, Thomas Masseron, Giuseppe Morello, Felipe Murgas, Jaume Orell-Miquel, Enric Palle, et al.
Astronomy & Astrophysics 702 A69 (2025)
https://doi.org/10.1051/0004-6361/202555318

Magnetic Activity and Differential Rotation of HIP12653*

Amina Boulkaboul, Lotfi Yelles Chaouche, Alessandro C. Lanzafame and Yassine Damerdji
Research in Astronomy and Astrophysics 25 (12) 125001 (2025)
https://doi.org/10.1088/1674-4527/ae05fb

starkiller: Subtracting Stars and Other Sources from IFU Spectroscopic Data Through Forward Modeling

Ryan Ridden-Harper, Michele T. Bannister, Sophie E. Deam and Thomas Nordlander
The Astronomical Journal 169 (3) 148 (2025)
https://doi.org/10.3847/1538-3881/ad9f2b