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- Centre National de la Recherche ScientifiqueFR679 papers
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15 papers · 2 filters
The demographics of obscured AGN from X-ray spectroscopy guided by multiwavelength information
Brivael Laloux, Antonis Georgakakis, Carolina Andonie +10
A complete census of Active Galactic Nuclei (AGN) is a prerequisite for understanding the growth of supermassive black holes across cosmic time. A significant challenge toward this…
Measuring bar pattern speeds from single simulation snapshots
Walter Dehnen, Marcin Semczuk, Ralph Schoenrich
We describe methods to measure simultaneously the orientation angle and pattern speed from single snapshots of simulated barred galaxies. Unlike previous attempts, our appr…
Dissecting the interstellar medium of a z=6.3 galaxy: X-shooter spectroscopy and HST imaging of the afterglow and environment of the Swift GRB 210905A
A. Saccardi, S. D. Vergani, A. De Cia +35
The study of the properties of galaxies in the first billion years after the Big Bang is one of the major topic of current astrophysics. Optical/near-infrared spectroscopy of the a…
Importance of source structure on complex organics emission III. Effect of disks around massive protostars
P. Nazari, B. Tabone, G. P. Rosotti
Complex organic molecules are only detected toward a fraction of high-mass protostars. The goal of this work is to investigate whether high-mass disks can explain the lack of metha…
A family of potential-density pairs for galactic bars
Walter Dehnen, Hossam Aly
We present a family of analytical potential-density pairs for barred discs, which can be combined to describe galactic bars in a realistic way, including boxy/peanut components. We…
Spiral arms and the angular momentum gap in Milky Way Cepheids
Marcin Semczuk, Walter Dehnen, Ralph Schoenrich +1
The angular-momentum distribution of classical Cepheids in the outer Milky Way disc is bi-modal with a gap at , cor…