Kavli Affiliate: Anthony Challinor | First 5 Authors: Louis Legrand, Louis Legrand, , , | Summary: Noise maps from CMB experiments are generally statistically anisotropic, due to scanning strategies, atmospheric conditions, or instrumental effects. Any mis-modeling of this complex noise can bias the reconstruction of the lensing potential and the measurement of the lensing power […]
Kavli Affiliate: Robert Cameron | First 5 Authors: Yuanyong Deng, Yuanyong Deng, , , | Summary: The magnetic fields and dynamical processes in the solar polar regions play a crucial role in the solar magnetic cycle and in supplying mass and energy to the fast solar wind, ultimately being vital in controlling solar activities and […]
Kavli Affiliate: Luis Ho | First 5 Authors: Jian-Fa Wang, Jian-Fa Wang, , , | Summary: We present observations of HCN J=4-3 and HCO^+ J=4-3 lines obtained with the James Clerk Maxwell Telescope as part of the MALATANG survey, combined with archival HCN J=1-0 and HCO^+ J=1-0 data from the Green Bank Telescope, to study […]
Kavli Affiliate: Roland Vanderspek | First 5 Authors: , , , , | Summary: We report the discovery and confirmation of TOI-4465 b, a $1.25^+0.08_-0.07~R_J$, $5.89pm0.26~M_J$ giant planet orbiting a G dwarf star at $dsimeq$ 122 pc. The planet was detected as a single-transit event in data from Sector 40 of the Transiting Exoplanet Survey […]
Kavli Affiliate: George Ricker | First 5 Authors: Te Han, Te Han, , , | Summary: The radius of a planet is a fundamental parameter that probes its composition and habitability. Precise radius measurements are typically derived from the fraction of starlight blocked when a planet transits its host star. The wide-field Transiting Exoplanet Survey […]
Kavli Affiliate: Jing Wang | First 5 Authors: Wen-Hao Bian, Wen-Hao Bian, , , | Summary: We systematically investigate how static symmetry-breaking perturbations and dynamic Floquet terms via a polarized light manipulate the topological phase transitions in the two-dimensional quadratic-band-crossing-point (QBCP) materials. The Berry curvature shows distinct behavior in such two situations. It is linearly […]
Kavli Affiliate: Jia Liu | First 5 Authors: Zhuqing Liu, Zhuqing Liu, , , | Summary: Recently, multi-objective optimization (MOO) has gained attention for its broad applications in ML, operations research, and engineering. However, MOO algorithm design remains in its infancy and many existing MOO methods suffer from unsatisfactory convergence rate and sample complexity performance. […]
Kavli Affiliate: Alexander P. Ji | First 5 Authors: Vinicius M. Placco, Guilherme Limberg, Anirudh Chiti, Deepthi S. Prabhu, Alexander P. Ji | Summary: In this work, we present high-resolution spectroscopic observations for six metal-poor stars with [Fe/H]<-3 (including one with [Fe/H]<-4), selected using narrow-band Ca II HK photometry from the DECam MAGIC Survey. The […]
Kavli Affiliate: Kiyoshi W. Masui | First 5 Authors: Peter K. Blanchard, Peter K. Blanchard, , , | Summary: We present deep James Webb Space Telescope near-infrared imaging to search for a quiescent or transient counterpart to FRB 20250316A, which was precisely localized with the CHIME/FRB Outriggers array to an area of $11times13$ pc in […]
Kavli Affiliate: Kiyoshi W. Masui | First 5 Authors: The CHIME/FRB Collaboration, The CHIME/FRB Collaboration, , , | Summary: Precise localizations of a small number of repeating fast radio bursts (FRBs) using very long baseline interferometry (VLBI) have enabled multiwavelength follow-up observations revealing diverse local environments. However, the 2–3% of FRB sources that are observed […]