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astro-ph.IM2026
SpecZoo: An AI-Powered Platform for Spectral Analysis and Visualization in Science and Education
Yuan-Hao Pu, Guo-Hong Lei, Yang Xu +2
Astronomical spectra, which encode rich astrophysical and chemical information, are fundamental to understanding celestial objects and universal laws. The advent of large-scale spe…
astro-ph.IM2025
Beam Measurements of Full Stokes Parameters for the FAST L-band 19-beam Receiver
Xunzhou Chen, Tao-Chung Ching, Di Li +7
The Five-hundred-meter Aperture Spherical radio Telescope (FAST) has been fully operational since 11 January 2020. We present a comprehensive analysis of the beam structure for eac…
astro-ph.IM2024
Polarization Calibration of the FAST L-band 19-beam Receiver: I. On-axis Mueller Matrix Parameters
Tao-Chung Ching, Carl Heiles, Di Li +6
We present the polarization calibration of the 19-beam receiver at 1420 MHz within the full illumination of the Five-hundred-meter Aperture Spherical Telescope from October 2018 to…