Probing the Astrometric Properties of Gaia EDR3 Quasars at the Faintest Magnitudes

Liao, SL; Wu, QQ; Qi, ZX; Tang, ZH; Luo, H; Cao, ZH

Liao, SL (corresponding author), Chinese Acad Sci, Shanghai Astron Observ, 80 Nandan Rd, Shanghai 200030, Peoples R China.; Liao, SL (corresponding author), Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China.

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2021; 133 (1027):

Abstract

Gaia early data release 3 (EDR3) provides about 1.6 million QSO-like objects. Measuring the systematic residuals of the quasars convincingly in Gaia E......

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