90 citations · 651 across the 21 of their papers we have counts for
21 papers
The radio detection and accretion properties of the peculiar nuclear transient AT 2019avd
Yanan Wang, Ranieri D. Baldi, Santiago del Palacio +19
AT 2019avd is a nuclear transient detected from infrared to soft X-rays, though its nature is yet unclear. The source has shown two consecutive flaring episodes in the optical and…
Li-rich Giants in LAMOST Survey. III. The statistical analysis of Li-rich giants
Yutao Zhou, Chun Wang, Hongliang Yan +5
The puzzle of Li-rich giant is still unsolved, contradicting the prediction of the standard stellar models. Although the exact evolutionary stages play a key role in the knowledge…
Double-, triple-line spectroscopic candidates in the LAMOST Medium-Resolution Spectroscopic Survey
Chun-qian Li, Jian-rong Shi, Hong-liang Yan +3
The LAMOST Medium-Resolution Spectroscopic Survey (LAMOST-MRS) provides an unprecedented opportunity for detecting multi-line spectroscopic systems. Based on the method of Cross-Co…
Lithium Evolution of Giant Stars Observed by LAMOST and Kepler
Jinghua Zhang, Jian-Rong Shi, Hong-Liang Yan +8
Mapping lithium evolution for evolved stars will provide restrictions and constraints on the fundamental stellar interior physical processes, which further shed light on our unders…
Progress in Nuclear Astrophysics of East and Southeast Asia
Azni Abdul Aziz, Nor Sofiah Ahmad, S. Ahn +25
Nuclear astrophysics is an interdisciplinary research field of nuclear physics and astrophysics, seeking for the answer to a question, how to understand the evolution of the Univer…
The Lithium Abundances from the Large Sky Area Multi-object Fiber Spectroscopic Telescope Medium-resolution Survey. I. The Method
Qi Gao, Jian-Rong Shi, Hong-Liang Yan +9
Standard stellar evolution model predicts a severe depletion of lithium (Li) abundance during the first dredge-up process (FDU). Yet a small fraction of giant stars are still found…
Chemical Tagging N-rich Field Stars with High-resolution Spectroscopy
Jincheng Yu, Baitian Tang, J. G. Fernandez-Trincado +3
We measure chemical abundances for over 20 elements of 15 N-rich field stars with high resolution () optical spectra. We find that Na, Mg, Al, Si, and Ca abundances o…
LAMOST/HRS Spectroscopic Analysis of Two New Li-rich Giants
Zeming Zhou, Jianrong Shi, Hongliang Yan +9
Two Li-rich candidates, TYC 1338-1410-1 and TYC 2825-596-1, were observed with the new high-resolution echelle spectrograph, LAMOST/HRS. Based on the high-resolution and high-signa…
Most Lithium-rich Low-mass Evolved Stars Revealed as Red Clump stars by Asteroseismology and Spectroscopy
Hong-Liang Yan, Yu-Tao Zhou, Xianfei Zhang +19
Lithium has confused scientists for decades at almost each scale of the universe. Lithium-rich giants are peculiar stars with lithium abundances over model prediction. A large frac…
Searching for r-process-enhanced stars in the LAMOST Survey I: The Method
Tian-Yi Chen, Jian-Rong Shi, Timothy C. Beers +5
The abundance patterns of -process-enhanced stars contain key information required to constrain the astrophysical site(s) of -process nucleosynthesis, and to deepen our under…
LAMOST Medium-Resolution Spectroscopic Survey (LAMOST-MRS): Scientific goals and survey plan
Chao Liu, Jianning Fu, Jianrong Shi +38
Since September 2018, LAMOST starts a new 5-year medium-resolution spectroscopic survey (MRS) using bright/gray nights. We present the scientific goals of LAMOST-MRS and propose a…
On the Chemical and Kinematic Consistency Between N-rich Metal-poor Field Stars and Enriched Populations in Globular Clusters
Baitian Tang, J. G. Fernandez-Trincado, Chao Liu +5
Interesting chemically peculiar field stars may reflect their stellar evolution history and their possible origin in a different environment from where they are found now, which is…
Lithium-rich Giants in LAMOST Survey. I. The Catalog
Qi Gao, Jian-Rong Shi, Hong-Liang Yan +5
Standard stellar evolution model predicts a severe depletion of lithium (Li) abundance during the first dredge up process (FDU). Yet a small fraction of giant stars are still found…
High-resolution spectroscopic analysis of a large sample of Li-rich giants found by LAMOST
Yutao Zhou, Hongliang Yan, Jianrong Shi +6
The discovery of Li-rich giant has cast a new challenge for the standard stellar evolution models, and to resolve this issue, the number of this type object has been rapidly increa…
Nitrogen abundance in the X-ray halos of clusters and groups of galaxies
Junjie Mao, J. de Plaa, J. S. Kaastra +6
Chemical abundances in the X-ray halos (also known as the intracluster medium, ICM) of clusters and groups of galaxies can be measured via prominent emission line features in their…
The nature of the Li enrichment in the most Li-rich giant star
Hong-Liang Yan, Jian-Rong Shi, Yu-Tao Zhou +13
About one percent of giants\upcite{Brown1989} are detected to have anomalously high lithium (Li) abundances in their atmospheres, conflicting directly with the prediction of the st…
Asteroseismology of the Double-Mode High-Amplitude Scuti Star VX Hydrae
Hui-Fang Xue, Jian-Ning Fu, L. Fox-Machado +11
Bi-site time-series photometric and high-resolution spectroscopic observations were made for the double-mode high-amplitude Scuti star VX\ Hya. The fundamental frequency $f_{0}…
LAMOST Spectroscopic Survey of the Galactic Anticentre (LSS-GAC): the second release of value-added catalogues
Maosheng Xiang, Xiaowei Liu, Haibo Yuan +29
We present the second release of value-added catalogues of the LAMOST Spectroscopic Survey of the Galactic Anticentre (LSS-GAC DR2). The catalogues present values of radial velocit…
The Solar Twin Planet Search. V. Close-in, low-mass planet candidates and evidence of planet accretion in the solar twin HIP 68468
Jorge Melendez, Megan Bedell, Jacob L. Bean +14
[Methods]. We obtained high-precision radial velocities with HARPS on the ESO 3.6 m telescope and determined precise stellar elemental abundances (~0.01 dex) using MIKE spectra on…
Eight new quasars discovered by LAMOST in one extragalactic field
Xue-Bing Wu, Zhendong Jia, Zhaoyu Chen +18
We report the discovery of eight new quasars in one extragalactic field (five degree centered at RA=, Dec=) with the LAMOST commissioning observation…
A very bright i=16.44 quasar in the `redshift desert' discovered by LAMOST
Xue-Bing Wu, Zhaoyu Chen, Zhendong Jia +18
The redshift range from 2.2 to 3, is known as the 'redshift desert' of quasars because quasars with redshift in this range have similar optical colors as normal stars and are thus…