3 papers
astro-ph.SR2026
SED and Galactic kinematic diagnostics for dormant BH/NS binary candidates
Qian-Yu An, Wei-Min Gu
The third data release of the Gaia mission (Gaia DR3) has enabled large-scale searches for dormant black hole and neutron star binaries with stellar companions at AU-scale separati…
astro-ph.SR2026
Classical Be Stars and Classical Be Star Binaries from LAMOST DR12
Qian-Yu An, Wei-Min Gu, Zhi-Xiang Zhang
Classical Be (CBe) stars are rapidly rotating B-type stars with Balmer emission lines that originated from the decretion disks surrounding them in their spectra. Accounting for $\s…
astro-ph.SR2025
A Be star-black hole binary with a wide orbit from LAMOST time-domain survey
Qian-Yu An, Yang Huang, Wei-Min Gu +21
Binary systems consisting of an early type star and a black hole (BH) are crucial for understanding various astrophysical phenomena, particularly the origins of detected gravitatio…