58 citations · 262 across the 15 of their papers we have counts for
15 papers
Further evidence of shocks in the first-overtone RR Lyrae pulsators: first detection of shock-triggered magnesium emissions
Xiao-Wei Duan, Weijia Sun, Xiaodian Chen +2
The behavior of the shock wave in the atmosphere of the non-fundamental mode RR Lyrae pulsator remains a mystery. In this work, we firstly report a blueshifted Mg triplet emission…
Exploring the stellar rotation of early-type stars in the LAMOST Medium-Resolution Survey. II. Statistics
Weijia Sun, Xiao-Wei Duan, Licai Deng +1
Angular momentum is a key property regulating star formation and evolution. However, the physics driving the distribution of the stellar rotation rates of early-type main-sequence…
Exploring the stellar rotation of early-type stars in the LAMOST Medium-Resolution Survey. I. Catalog
Weijia Sun, Xiao-Wei Duan, Licai Deng +3
We derive stellar parameters and abundances (`stellar labels') of 40,034 late-B and A-type main-sequence stars extracted from the Large Sky Area Multi-Object Fiber Spectroscopic Te…
Binary-driven stellar rotation evolution at the main-sequence turn-off in star clusters
Weijia Sun, Richard de Grijs, Licai Deng +1
The impact of stellar rotation on the morphology of star cluster colour-magnitude diagrams is widely acknowledged. However, the physics driving the distribution of the equatorial r…
Eclipsing Binary Populations across the Northern Galactic Plane from the KISOGP survey
Fangzhou Ren, Richard de Grijs, Huawei Zhang +8
We present a catalog of eclipsing binaries in the northern Galactic Plane from the Kiso Wide-Field Camera Intensive Survey of the Galactic Plane (KISOGP). We visually identified 70…
Physical Parameters of Late-type Contact Binaries in the Northern Catalina Sky Survey
Weijia Sun, Xiaodian Chen, Licai Deng +1
We present the physical parameters of 2335 late-type contact binary (CB) systems extracted from the Catalina Sky Survey (CSS). Our sample was selected from the CSS Data Release 1 b…
The Next Generation Virgo Cluster Survey. XVII. A Search for Planetary Nebulae in Virgo Cluster Globular Clusters
Weijia Sun, Eric W. Peng, Youkyung Ko +11
The occurrence of planetary nebulae (PNe) in globular clusters (GCs) provides an excellent chance to study low-mass stellar evolution in a special (low-metallicity, high stellar de…
Stellar rotation bifurcation caused by tidal locking in the open cluster NGC 2287?
Weijia Sun, Chengyuan Li, Licai Deng +1
We present a detailed analysis of the projected stellar rotational velocities of the well-separated double main sequence (MS) in the young, Myr-old Milky Way open cluster…
Tidal-locking-induced stellar rotation dichotomy in the open cluster NGC 2287?
Weijia Sun, Chengyuan Li, Licai Deng +1
Stars spend most of their lifetimes on the `main sequence' (MS) in the Hertzsprung--Russell diagram. The obvious double MSs seen in the equivalent color--magnitude diagrams charact…
Extended main-sequence turnoffs in the double cluster and Persei: The complex role of stellar rotation
Chengyuan Li, Weijia Sun, Richard de Grijs +4
Using {\sl Gaia} Data Release 2 photometry, we report the detection of extended main-sequence turnoff (eMSTO) regions in the color--magnitude diagrams (CMDs) of the Myr-o…
Stellar rotation and the extended main sequence turnoff in the open cluster NGC 5822
Weijia Sun, Richard de Grijs, Licai Deng +1
The origin of extended main sequence turnoffs (eMSTOs) in intermediate-age (1-3 Gyr) clusters is one of the most intriguing questions in current star cluster research. Unlike the s…
Blue straggler stars beyond the Milky Way. IV. Radial distributions and dynamical implications
Chengyuan Li, Weijia Sun, Jongsuk Hong +3
Blue straggler stars have been proposeed as powerful indicators to measure the dynamical state of Galactic globular clusters. Here we examine for the first time if this framework o…
Blue straggler populations beyond the Milky Way
Richard de Grijs, Weijia Sun, Chengyuan Li +1
Although the formation of blue straggler stars (BSSs) is routinely attributed to stellar interactions in binary systems, the relative importance of the direct collision and slow(er…
Blue straggler stars beyond the Milky Way. II. A binary origin for blue straggler stars in Magellanic Cloud clusters
Weijia Sun, Chengyuan Li, Richard de Grijs +1
We have analyzed populations of blue straggler stars (BSSs) in 24 Magellanic Cloud star clusters using multi-passband Hubble Space Telescope images. We compiled a homogeneous BSS d…
The star cluster mass--galactocentric radius relation: Implications for cluster formation
Weijia Sun, Richard de Grijs, Zhou Fan +1
Whether or not the initial star cluster mass function is established through a universal, galactocentric-distance-independent stochastic process, on the scales of individual galaxi…