2 papers
astro-ph.GA2024
HST Proper Motion of Andromeda III: Another Satellite Co-orbiting The M31 Satellite Plane
Dana I. Casetti-Dinescu, Marcel S. Pawlowski, Terrence M. Girard +5
We measure the absolute proper motion of Andromeda III using ACS/WFC and WFPC2 exposures spanning an unprecedented 22-year time baseline. The WFPC2 exposures have been processed us…
astro-ph.IM2024
Star-Image Centering with Deep Learning II: HST/WFPC2 Full Field of View
Dana I. Casetti-Dinescu, Roberto Baena-Galle, Terrence M. Girard +2
We present an expanded and improved deep-learning (DL) methodology for determining centers of star images on HST/WFPC2 exposures. Previously, we demonstrated that our DL model can…