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192 papers · 1 filter
MICONIC: Dual active galactic nuclei, star formation, and ionised gas outflows in NGC 6240 seen with MIRI/JWST
L. Hermosa Muñoz, A. Alonso-Herrero, A. Labiano +19
As part of the guaranteed time observations program Mid-Infrared Characterization Of Nearby Iconic galaxy Centers (MICONIC), we used the medium-resolution spectrometer (MRS) of the…
Galaxy-Point Spread Function correlations as a probe of weak-lensing systematics with UNIONS data
Sacha Guerrini, Martin Kilbinger, Hubert Leterme +6
Weak gravitational lensing requires precise measurements of galaxy shapes and therefore an accurate knowledge of the PSF model. The latter can be a source of systematics that affec…
Ohmic heating in the upper atmosphere of hot exoplanets The influence of a time-varying magnetic field
A. Strugarek, A. García Muñoz, A. S. Brun +1
Exoplanets on close-in orbit are subject to intense X-ray and ultraviolet (XUV) irradiation from their star. Their atmosphere therefore heats up, sometimes to the point where it th…
The interdependence between density PDF, CMF and IMF and their relation with Mach number in simulations
Arturo Nuñez-Castiñeyra, Matthias González, Noé Brucy +3
The initial mass function (IMF) of stars and the corresponding cloud mass function (CMF), traditionally considered universal, exhibit variations that are influenced by the local en…
MINDS. JWST-MIRI reveals a peculiar CO-rich chemistry in the drift-dominated disk CX Tau
Marissa Vlasblom, Milou Temmink, Sierra L. Grant +20
Radial drift of icy pebbles can have a large impact on the chemistry of the inner regions of protoplanetary disks. Compact dust disks (50 au) are suggested to have a high…
Sun-like stars produce superflares roughly once per century
Valeriy Vasilyev, Timo Reinhold, Alexander I. Shapiro +7
Stellar superflares are energetic outbursts of electromagnetic radiation, similar to solar flares but releasing more energy, up to erg on main sequence stars. It is unkno…