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90 papers · 1 filter
A new compact young moving group around V1062 Sco
Siegfried Röser, Elena Schilbach, Bertrand Goldman +3
Aims. We are searching for new open clusters or moving groups in the Solar neighbourhood. Methods. We used the Gaia-TGAS catalogue, cut it into narrow proper motion and parallax sl…
Revisiting Stephan's Quintet with deep optical images
Pierre-Alain Duc, Jean-Charles Cuillandre, Florent Renaud
Stephan's Quintet, a compact group of galaxies, is often used as a laboratory to study a number of phenomena, including physical processes in the interstellar medium, star formatio…
Exploring the inner parsecs of Active Galactic Nuclei using near-infrared high resolution polarimetric simulations with MontAGN
Lucas Grosset, Daniel Rouan, Damien Gratadour +4
Aims: In this paper, we aim to constrain the properties of dust structures in the central first parsecs of Active Galactic Nuclei (AGN). Our goal is to study the required optical d…
MOND simulation suggests the origin of some peculiarities in the Local Group
Michal Bílek, Ingo Thies, Pavel Kroupa +1
(abridged) The Milky Way (MW) and Andromeda (M31) galaxies possess rotating planes of satellites. Their formation has not been explained satisfactorily yet. It was suggested that t…
Emergence of the mass discrepancy-acceleration relation from dark matter-baryon interactions
Benoit Famaey, Justin Khoury, Riccardo Penco
The observed tightness of the mass discrepancy-acceleration relation (MDAR) poses a fine-tuning challenge to current models of galaxy formation. We propose that this relation could…
Probing the baryon cycle of galaxies with SPICA mid- and far-infrared observations
F. F. S. van der Tak, S. C. Madden, P. Roelfsema +29
The SPICA mid and far-infrared telescope will address fundamental issues in our understanding of star formation and ISM physics in galaxies. A particular hallmark of SPICA is the o…