3 papers
astro-ph.IM2026
AstroSkyFlow: an astronomical sky image flow simulator for time domain survey validation and machine learning
Kexin Li, Yicheng Rui, Fabo Feng +5
Modern time-domain optical surveys produce massive data volumes that require robust, high-fidelity simulated datasets for developing and validating automated pipelines and machine-…
astro-ph.EP2026
Photometry and physical characterization of near-Earth asteroid 2025 FA22 from one apparition
Jun Tian, Bin Li, Y. J. Liu +12
We present comprehensive photometric characterisation of 2025 FA, a Potentially Hazardous Asteroid (PHA) discovered on 29 March 2025 and observed during the seventh Internat…
astro-ph.SR2025
Search for Past Stellar Encounters and the Origin of 3I/ATLAS
Yiyang Guo, Luyao Zhang, Fabo Feng +3
3I/ATLAS, the third discovered interstellar object, has a heliocentric speed of 58 km/s and exhibits cometary activity. To constrain the origin of 3I/ATLAS and its past dynamical e…