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7 papers · 1 filter
Multiplicity of Galactic Cepheids from long-baseline interferometry. IV. New detected companions from MIRC and PIONIER observations
A. Gallenne, P. Kervella, S. Borgniet +10
We aim at detecting and characterizing the main-sequence companions of a sample of known and suspected Galactic binary Cepheids. We used the multi-telescope interferometric combine…
Isochronal age-mass discrepancy of young stars: SCExAO/CHARIS integral field spectroscopy of the HIP 79124 triple system
Ruben Asensio-Torres, Thayne Currie, Markus Janson +24
We present SCExAO/CHARIS 1.1--2.4 micron integral field direct spectroscopy of the young HIP 79124 triple system. HIP 79124 is a member of the Scorpius-Centaurus association, consi…
Rethinking the link between matter and geometry
Olivier Minazzoli
In the present manuscript, I examine an intriguing relation at the classical level between general relativity and a theory where matter couples uniquely multiplicatively to geometr…
Dark Matter Substructure in Numerical Simulations: A Tale of Discreteness Noise, Runaway Instabilities, and Artificial Disruption
Frank C. van den Bosch, Go Ogiya
To gain understanding of the complicated, non-linear and numerical processes associated with the tidal evolution of dark matter subhaloes in numerical simulation, we perform a larg…
Relativistic jet feedback II: Relationship to gigahertz peak spectrum and compact steep spectrum radio galaxies
Geoffrey V. Bicknell, Dipanjan Mukherjee, Alexander Y. Wagner +2
We propose that Gigahertz Peak Spectrum (GPS) and Compact Steep Spectrum (CSS) radio sources are the signposts of relativistic jet feedback in evolving galaxies. Our simulations of…
The timeline of the Lunar bombardment - revisited
A. Morbidelli, D. Nesvorny, V. Laurenz +5
The timeline of the lunar bombardment in the first Gy of the Solar System remains unclear. Some basin-forming impacts occurred 3.9-3.7Gy ago. Many other basins formed before, but t…