Błażej Nikiel-Wroczyński et al 2020 ApJ 898 110
Radio polarimetric imaging indicates a magnetic structure within the Stephan’s Quintet galaxy system spanning at least 60 × 40 × 20 kpc, with a strength at least as high as that previously detected within large spiral galaxies.
Nau Raj Pokhrel et al 2020 AJ 160 66
A new catalog presents 306 holes identified in the neutral atomic hydrogen of 41 gas-rich dwarf galaxies in LITTLE THINGS, likely generated during the process of star formation.
Rebecca G. Martin et al 2020 ApJL 898 L26
Hydrodynamic modeling of tilt instabilities in accretion disks around binary systems shows that detached circumplanetary disks may commonly be misaligned relative to the planetary orbital plane.
Adam Wheeler et al 2020 ApJ 898 58
A new approach is used to obtain detailed abundances from low-resolution LAMOST spectra for millions of stars, to a precision of 0.05–0.23 dex — providing unprecedented perspective on chemistry across the Milky Way.
Xiaodian Chen et al 2020 ApJS 249 18
The second data release from ZTF contains 781,602 periodic variables — 79.5% of which are newly discovered or newly classified — that can be used to investigate our galaxy’s disk structure and evolution.
Tereasa G. Brainerd and Adam Samuels 2020 ApJL 898 L15
A study of satellites of bright, isolated host galaxies shows a strong tendency for pairs of satellites to be located on the same side of their host, resulting in lopsided spatial distributions.