2026/05/06 by Thi My Hanh Tran, T. M. H. Tran, M. Langlois +10
Engineering · #Astronomical Observations and Instrumentation #Real-time simulation and control systems #Embedded Systems and FPGA Design
paper · pdf · doi:10.1051/0004-6361/202659229
HD 142527 is a well-studied Herbig Ae/Be star surrounded by a transitional disk with a large dust cavity, spiral structures, and a known accreting dwarf companion. Despite extensive observations, the system’s inner regions remain poorly understood, particularly regarding their influence on disk morphology and planet formation. Aiming to probe the inner region of HD 142527, we use new dedicated post-processing methods on high-contrast imaging data of VLT/SPHERE instruments at visible and near-infrared wavelengths in order to identify previously undetected companion(s) and/or structures and explore their potential role in shaping the disk’s morphology and evolution. We report on the discovery of new inner disk features. These new features could be dynamically linked to the companions, suggesting ongoing interactions that influence the disk’s structure. We will present our study of these inner features and their dynamical link with the known and additional companions in this system to better understand the system’s architecture and evolution.