553 citations
- Chinese Academy of SciencesCN105 papers
- National Astronomical ObservatoriesCN82 papers
- University of Chinese Academy of SciencesCN56 papers
- Beijing Normal UniversityCN35 papers
- Peking UniversityCN34 papers
- Sun Yat-sen UniversityCN23 papers
- Shanghai Astronomical ObservatoryCN19 papers
- Yunnan UniversityCN19 papers
- Institute of Theoretical PhysicsCN18 papers
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- Hunan Normal UniversityCN15 papers
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13 papers · 2 filters
Tracing Kinematic and Chemical Properties of Sagittarius Stream by K-Giants, M-Giants, and BHB stars
Chengqun Yang, Xiang-Xiang Xue, Jing Li +12
We characterize the kinematic and chemical properties of 3,000 Sagittarius (Sgr) stream stars, including K-giants, M-giants, and BHBs, select from SEGUE-2, LAMOST, and SDSS s…
Value-added catalogs of M type stars in LAMOST DR5
Jing Zhong, Jing Li, Jeffrey L. Carlin +3
In this work, we present new catalogs of M giant and M dwarf stars from the LAMOST DR5. In total, 39,796 M giants and 501,152 M dwarfs are identified from the classification pipeli…
Mapping the Galactic disk with the LAMOST and Gaia Red clump sample: III: A new velocity substructure and time stamps of the Galactic disk asymmetry in the disk between 1215 \,kpc
H. -F. Wang, J. L. Carlin, Y. Huang +11
We investigate the three-dimensional asymmetrical kinematics and present time stamps of the Milky Way disk between Galactocentric distances of and 15 \,kpc, using red clump…
Identifying Galactic Halo Substructure in 6D Phase-space Using 13,000 LAMOST K Giants
Chengqun Yang, Xiang-Xiang Xue, Jing Li +6
We construct a large halo K-giant sample by combining the positions, distances, radial velocities, and metallicities of over 13,000 LAMOST DR5 halo K giants with the Gaia DR2 prope…
Search for Intra-day Optical Variability in -ray--loud Blazars S5 0716+714 and 3C 273
H. T. Liu, Hai Cheng Feng, Y. X. Xin +3
We present the photometric observations of blazars S5 0716+714 and 3C 273 with high temporal resolution (30--60s) in the or bands. The observations were performed with a 1.…
The Galactic spiral structure as revealed by O- and early B-type stars
Chen Bingqiu, Huang Yang, Hou Ligang +7
We investigate the morphology and kinematics of the Galactic spiral structure based on a new sample of O- and early B-type stars. We select 6,858 highly confident OB star candidate…