Astronomy & Astrophysics (A&A)

Open Access

The nature of the X-ray binary transient MAXI J1834–021: Clues from its first observed outburst

A. Manca, A. Marino, A. Borghese, F. Coti Zelati, G. Mastroserio, A. Sanna, J. Homan, R. M. T. Connors, M. Del Santo, M. Armas Padilla et al. (7 more)

A&A, 699 (2025) A114

Published online: 04 July 2025

DOI: https://doi.org/10.1051/0004-6361/202451513

Open Access

Numerical simulations of internal shocks in spherical geometry: Hydrodynamics and prompt emission

A. Charlet, J. Granot and P. Beniamini

A&A, 699 (2025) A139

Published online: 04 July 2025

DOI: https://doi.org/10.1051/0004-6361/202453351

Open Access

Understanding entropy in massive halos: The role of baryon decoupling

S. Molendi, M. Balboni, I. Bartalucci, S. De Grandi, M. Gaspari, F. Gastaldello, S. Ghizzardi, L. Lovisari, G. Riva, M. Rossetti and P. Tozzi

A&A, 699 (2025) A112

Published online: 04 July 2025

DOI: https://doi.org/10.1051/0004-6361/202453299

Open Access

Detecting galaxy – 21-cm cross-correlation during reionization

Samuel Gagnon-Hartman, James E. Davies and Andrei Mesinger

A&A, 699 (2025) A131

Published online: 04 July 2025

DOI: https://doi.org/10.1051/0004-6361/202554456

Open Access

CHEX-MATE: Multiprobe analysis of Abell 1689

L. Chappuis, D. Eckert, M. Sereno, A. Gavidia, J. Sayers, J. Kim, M. Rossetti, K. Umetsu, H. Saxena, I. Bartalucci et al. (19 more)

A&A, 699 (2025) A141

Published online: 04 July 2025

DOI: https://doi.org/10.1051/0004-6361/202554743

Open Access

GA-NIFS: Dissecting the multiple sub-structures and probing their complex interactions in the Lyα emitter galaxy CR7 at z = 6.6 with JWST/NIRSpec

C. Marconcini, F. D’Eugenio, R. Maiolino, S. Arribas, A. Bunker, S. Carniani, S. Charlot, M. Perna, B. Rodríguez Del Pino, H. Übler et al. (9 more)

A&A, 699 (2025) A154

Published online: 04 July 2025

DOI: https://doi.org/10.1051/0004-6361/202452994

Open Access

Dark matter fraction in disk-like galaxies over the past 10 Gyr

Gauri Sharma, Glenn van de Ven, Paolo Salucci and Marco Martorano

A&A, 699 (2025) A164

Published online: 04 July 2025

DOI: https://doi.org/10.1051/0004-6361/202347922

Open Access

Expanding the parameter space of 2002es-like type Ia supernovae: On the underluminous ASASSN-20jq/SN 2020qxp

S. Bose, M. D. Stritzinger, C. Ashall, E. Baron, P. Hoeflich, L. Galbany, W. B. Hoogendam, E. A. M. Jensen, C. S. Kochanek, R. S. Post et al. (16 more)

A&A, 699 (2025) A169

Published online: 04 July 2025

DOI: https://doi.org/10.1051/0004-6361/202553687

Open Access