Context. Plasmoid-mediated reconnection plays a fundamental role in different solar atmospheric phenomena. Numerical reproduction of this process is therefore essential for developing robust solar models. Aims: Our goal is to assess plasmoid-mediated reconnection across various numerical resistivity models in order to investigate how plasmoid
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A comparative study of resistivity models for simulations of magnetic reconnection in the solar atmosphere. II. Plasmoid formationFærder, Ø. H. et al.32024
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Accretion-induced flickering variability among symbiotic stars from space photometry with NASA TESS
Context. Symbiotic binaries exhibit a wide range of photometric variability across different timescales. These changes can be attributed to factors such as orbital motion, intrinsic variability of the individual components, or interactions between the two stars. In the range from minutes to hours, a variability induced by accretion processes that
Merc, J. et al.Fecha de publicación:
32024 -
Comparing Observed with Simulated Solar-disk-center Scattering Polarization in the Sr I 4607 Å Line
Solar magnetic fields alter scattering polarization in spectral lines like Sr I at 4607 Å via the Hanle effect, making it a potential diagnostic for small-scale, mixed-polarity photospheric magnetic fields. Recently, observational evidence for scattering polarization in the Sr I 4607 Å line at the solar disk center was found. Here, we investigate
Zeuner, Franziska et al.Fecha de publicación:
32024 -
Evidence for transit-timing variations of the 11 Myr exoplanet TOI-1227 b
TOI-1227 b is an 11 Myr old validated transiting planet in the middle of its contraction phase, with a current radius of 0.85 Rj. It orbits a low-mass pre-main sequence star (0.170 M⊙, 0.56 R⊙) every 27.4 days. The magnetic activity of its young host star induces radial velocity jitter and prevents good measurements of the planetary mass. We
Almenara, J. M. et al.Fecha de publicación:
32024 -
Magnetic field amplification and structure formation by the Rayleigh-Taylor instability (Corrigendum)Popescu Braileanu, B. et al.
Fecha de publicación:
32024 -
NGDEEP Epoch 1: Spatially Resolved Hα Observations of Disk and Bulge Growth in Star-forming Galaxies at z ∼ 0.6–2.2 from JWST NIRISS Slitless Spectroscopy
We study the Hα equivalent width (EW(Hα)) maps of 19 galaxies at 0.6 < z < 2.2 in the Hubble Ultra Deep Field using NIRISS slitless spectroscopy as part of the Next Generation Deep Extragalactic Exploratory Public Survey. Our galaxies mostly lie on the star formation main sequence with stellar masses between 109 and 1011 M ⊙, characterized as
Shen, Lu et al.Fecha de publicación:
32024