Search for Quasar Pairs with Gaia Astrometric Data. III. Discovery of 9 dual and projected quasars

arXiv:2607.00093 · astro-ph.GA · Submitted 2026-06-30 · Read on arXiv

Qihang Chen, Zizhao He, Zhuojun Deng, Liang Jing, Xingyu Zhu, Jianghua Wu

astro-ph.GA

Submitted: 2026-06-30

Comments: 14 pages, 6 figures, 2 tables. Submitted to A&A, comments welcome!

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

AGN — 3× in this paper · explained in 1 episode
Accuracy — 3× in this paper · explained in 1 episode
Gravitational Lensing — 3× in this paper · explained in 2 episodes
Microlensing — 3× in this paper · explained in 2 episodes
Aperture — 2× in this paper · explained in 1 episode
Alignment — 1× in this paper · explained in 1 episode
Beijing Faint Object Spectrograph and Camera — 1× in this paper
Calibration — 1× in this paper · explained in 7 episodes
Dark Energy Spectroscopic Instrument — 1× in this paper
NOIRLab and the Lawrence Berkeley National Laboratory — 1× in this paper
Telescope Access Program — 1× in this paper

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