Yun-Ao Xiao

Yun-Ao Xiao

National Astronomical Observatories, Chinese Academy of Sciences (NAOC)

A20, Datun Road, Chaoyang District, Beijing 100012, China

Tel: +44-7526 328476

Star Proper Motions Based on Two-epoch Observations from the SDSS and DESI Imaging Surveys

Published in The Astronomical Journal, 169, 195, 2025

A galaxy-referenced proper-motion catalog combining SDSS and DESI imaging across a roughly 13-year baseline, extending astrometry to faint sources beyond the Gaia magnitude limit.

Read the published paper · arXiv

Sky maps of proper-motion offsets and uncertainties in the SDSS–DESI catalog
Proper-motion offsets and uncertainties across the SDSS–DESI survey footprint.