Magnetic Field Alignment with Dense Cores in the Transition between Cloud and Core Scales
In a magnetically dominated model of star formation, we expect to see alignments between the magnetic field orientation of star-forming dense cores and the cloud-scale magnetic field. A. Pandhi et al. showed instead, however, that the orientation of cores and their angular momentum vectors appear random with respect to the larger-scale magnetic
An adolescent and near-resonant planetary system near the end of photoevaporation
Young exoplanets provide vital insights into the early dynamical and atmospheric evolution of planetary systems. Many multi-planet systems younger than 100 Myr exhibit mean-motion resonances, probably established through convergent disk migration. Over time, however, these resonant chains are often disrupted, mirroring the Nice model proposed for
Constraining meV axion dark matter with ALMA observations of the galactic center magnetar SGR 1745─2900
We report a mm-wave search for axion dark matter from SGR 1745─2900, based on 4.8 h of ALMA observations. No candidate features are found between 133.99─135.78, 135.91─137.70, 145.99─147.78, and 147.99─149.78 GHz, corresponding to 0.55─0.62 meV. Interpreting this null result within a state-of-the-art stellar framework, we derive sensitivity to the