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Astronomy & Astrophysics (A&A) is an international journal which publishes papers on all aspects of astronomy and astrophysics
Site URL: www.aanda.org/highlights
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Posts: 18
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You can’t see me: Super-Eddington growth hindering X-ray detection in high-z broad-line active galactic nuclei
Published: June 18, 2026 04:00
Vol. 7104. Extragalactic astronomy You can’t see me: Super-Eddington growth hindering X-ray detection in high-z broad-line active galactic nuclei by Alessandro Trinca, Alessandro Lupi, Francesco Haardt, Piero Madau 2026, A&A, 710, A299 Massive black…
Is the nitrogen-rich source PN K4-47 a true planetary nebula?
https://www.aanda.org/highlights/3196-is-the-nitrogen-rich-source-pn-k4-47-a-true-planetary-nebula
Published: June 12, 2026 04:00
Vol. 7106. Interstellar and circumstellar matter Is the nitrogen-rich source PN K4-47 a true planetary nebula? by T. Steinmetz, T. Kamiński, D. Jones, et al. 2026, A&A, 710, A198 Faced with an object that resembles a planetary nebula but with unusual…
Hourly radio variability of PD,70c from time-differential photometry
Published: June 3, 2026 04:00
Vol. 71010. Planets, planetary systems, and small bodies Hourly radio variability of PD,70c from time-differential photometry by Simon Casassus, Miguel Cárcamo, Oriana DomĂnguez-Jamett, Yuhiko Aoyama, Gabriel-Dominique Marleau, OndĹ™ej Chrenko, Hauyu…
Planet-forming disks and their environment across regions and time from the full NIR census
Published: May 21, 2026 04:00
Vol. 7096. Interstellar and circumstellar matter Planet-forming disks and their environment across regions and time from the full NIR census by A. Garufi, C. Ginski, M. Benisty, et al. 2026, A&A, 709, A269 Extreme adaptive optics observations in the…
First measurement of the Hubble constant from a combined weak-lensing and gravitational-wave standard siren analysis
Published: May 12, 2026 04:00
Vol. 7091. Letters to the Editor First measurement of the Hubble constant from a combined weak-lensing and gravitational-wave standard siren analysis by Felipe Andrade-Oliveira, David Sanchez-Cid, Danny Laghi, Marcelle Soares-Santos 2026, A&A, 709, L14 …
Radio timing constraints on the orbital orientation and component masses of PSR J1455-3330
Published: April 8, 2026 04:00
Vol. 7087. Stellar structure and evolution Radio timing constraints on the orbital orientation and component masses of PSR J1455-3330 by D.S. Pillay, V. Venkatraman Krishnan, David J. Champion, et al. 2026, A&A, 708, A213 PSR J1456–3330 is a…
A candidate proton cyclotron feature in the ultraluminous X-ray source NGC 4656 ULX-1
Published: March 24, 2026 06:00
Vol. 7077. Stellar structure and evolution A candidate proton cyclotron feature in the ultraluminous X-ray source NGC 4656 ULX-1 by Nelson Cruz-Sanchez, Enzo A. Saavedra, Federico A. Fogantini, Federico GarcĂa, Jorge A. Combi, Matteo Bachetti, Matteo…
Three-dimensional mapping of coronal magnetic field and plasma parameters in a solar flare
Published: March 3, 2026 06:00
Vol. 7079. The Sun and the Heliosphere Three-dimensional mapping of coronal magnetic field and plasma parameters in a solar flare by Tatyana Kaltman, Sijie Yu, Gregory D. Fleishman, Daniel F. Ryan 2026, A&A, 707, A158 The study presents reconstructed…
STRAWBERRY: Finding haloes in the gravitational potential
https://www.aanda.org/highlights/3161-strawberry-finding-haloes-in-the-gravitational-potential
Published: March 2, 2026 06:00
Vol. 7073. Cosmology (including clusters of galaxies) STRAWBERRY: Finding haloes in the gravitational potential by Tamara R. G. Richardson, Jens Stücker, Raul E. Angulo 2026, A&A, 707, A117 Numerical simulations of structure formation in a…
First light for the GRAVITY+ Adaptive Optics: Extreme adaptive optics for the Very Large Telescope Interferometer
Published: February 24, 2026 08:00
Vol. 70713. Astronomical instrumentation First light for the GRAVITY+ Adaptive Optics: Extreme adaptive optics for the Very Large Telescope Interferometer by GRAVITY+ Collaboration 2026, A&A, 707, A115 This must-read paper presents the next-generation…
The gas streamer G1-2-3 in the Galactic center
https://www.aanda.org/highlights/3159-the-gas-streamer-g1-2-3-in-the-galactic-center
Published: February 24, 2026 06:00
Vol. 7076. Interstellar and circumstellar matter The gas streamer G1-2-3 in the Galactic center by S. Gillessen, F. Eisenhauer, J. Cuadra, et al. 2026, A&A, 707, A79 This paper reports the discovery and characterization of a third compact gas clump,…
A sub-ppm upper limit on the cosmological variations of the fine structure constant α
Published: February 20, 2026 07:00
Vol. 7063. Cosmology (including clusters of galaxies) A sub-ppm upper limit on the cosmological variations of the fine structure constant α by S. Muller, A. Beelen, M. Guélin, et al. 2026, A&A, 706, A365 Using molecular lines toward two lensed quasars…
Interaction of the central jet with the surrounding gas in the protostellar outflow from IRAS 04166+2706
Published: February 17, 2026 06:00
Vol. 7066. Interstellar and circumstellar matter Interaction of the central jet with the surrounding gas in the protostellar outflow from IRAS 04166+2706 by M. Tafalla, D. Johnstone, J. Santiago-GarcĂa, Q. Zhang, H. Shang, C.-F. Lee 2026, A&A, 706, A248 …
Search and analysis of giant radio galaxies with associated nuclei (SAGAN). VI. When jets meet filaments -- Environmental imprints on the growth of giant radio galaxies
Published: February 17, 2026 06:00
Vol. 7064. Extragalactic astronomy Search and analysis of giant radio galaxies with associated nuclei (SAGAN). VI. When jets meet filaments -- Environmental imprints on the growth of giant radio galaxies by Mousumi Mahato, Elmo Tempel, Shishir Sankhyayan,…
The superclouds of the local Milky Way
https://www.aanda.org/highlights/3152-the-superclouds-of-the-local-milky-way
Published: February 11, 2026 06:00
Vol. 7065. Galactic structure, stellar clusters and populations The superclouds of the local Milky Way by Lilly A. Kormann, João Alves, Michelangelo Pantaleoni González, Cameren Swiggum, Torsten A. Enßlin, Gordian Edenhofer 2026, A&A, 706, A161 …
Pre-perihelion evolution of the NiI/FeI abundance ratio in the coma of the interstellar comet 3I/ATLAS: From extreme to normal
Published: January 30, 2026 06:00
Vol. 70610. Planets, planetary systems, and small bodies Pre-perihelion evolution of the NiI/FeI abundance ratio in the coma of the interstellar comet 3I/ATLAS: From extreme to normal by Damien Hutsemékers, Jean Manfroid, Emmanuël Jehin, et al. 2026,…
Investigating the growth of little red dot descendants at z strictly less than 4 with the JWST
https://www.aanda.org/highlights/3146-investigating-the-growth-of-little-red-dot-descendants-at-z
Published: January 27, 2026 06:00
Vol. 7054. Extragalactic astronomy Investigating the growth of little red dot descendants at z<4 with the JWST by J.-B. Billand, D. Elbaz, F. Gentile, et al. 2026, A&A, 706, A29 One of the "surprises" offered by JWST observations is the discovery of…
Fast and "lossless" propagation of relativistic electrons along magnetized nonthermal filaments in galaxy clusters and the Galactic Center region
Published: January 19, 2026 06:00
Vol. 7052. Astrophysical processes Fast and "lossless" propagation of relativistic electrons along magnetized nonthermal filaments in galaxy clusters and the Galactic Center region by Eugene Churazov, Lawrence Rudnick, Ildar Khabibullin, Marisa…