47 citations · 188 across the 15 of their papers we have counts for
15 papers
Dynamically driven collapse of a thermally stable accretion disk in a nova-like system
Wentao Li, Jie Lin, Tinggui Wang +8
While standard disk instability theory predicts thermal-steady, outburst-free disks in nova-like variables due to their high mass transfer rates, mass transfer variations are preva…
Elemental Abundances from Off-center Carbon Burning in Accreting CO White Dwarfs: Implications for SN 2021yfj-like events
Chengyuan Wu, Dongdong Liu, Takashi J. Moriya +3
SN 2021yfj is a recently discovered interacting supernova that exhibits narrow emission lines of Si, S, and Ar, indicating the presence of circumstellar material (CSM) enriched wit…
Recalibration of SDSS photometric zero-points based on the InfraRed Flux Method temperature scale
Zenghua Zhou, Luca Casagrande, Heran Xiong +4
Accurate photometric zero-points are essential for translating observed magnitudes into physical fluxes, from comparing with models to ensuring consistency across surveys. We deter…
Evolution Models of CO WD -- AGB Star Merger Remnants
Chengyuan Wu, Heran Xiong, Shi Jia +2
Common envelope evolution is a critical but still poorly understood phase in binary evolution. It plays a key role in forming close binaries such as hot subdwarfs, double white dwa…
A seven-Earth-radius helium-burning star inside a 20.5-min detached binary
Jie Lin, Chengyuan Wu, Heran Xiong +28
Binary evolution theory predicts that the second common envelope (CE) ejection can produce low-mass (0.32-0.36 Msun) subdwarf B (sdB) stars inside ultrashort-orbital-period binary…
Evolution of double oxygen-neon white dwarf merger remnant
Chengyuan Wu, Heran Xiong, Zhanwen Han +1
Double white dwarf (WD) merger process and their post-merger evolution are important in many fields of astronomy, such as supernovae, gamma-ray bursts, gravitational waves, etc. Th…
Minute-Cadence Observations of the LAMOST Fields with the TMTS: II. Catalogues of Short-Period Variable Stars from the First Two-Year Surveys
Jie Lin, Xiaofeng Wang, Jun Mo +25
Over the past few years, wide-field time-domain surveys like ZTF and OGLE have led to discoveries of various types of interesting short-period stellar variables, such as ultracompa…
Evolution of the post merger remnants from the coalescence of oxygen-neon and carbon-oxygen white dwarf pairs
Chengyuan Wu, Heran Xiong, Jie Lin +4
Although multidimensional simulations have investigated the processes of double WD mergers, post-merger evolution only focused on the carbon-oxygen (CO) WD or helium (He) WD merger…
Shell helium-burning hot subdwarf B stars as candidates for blue large-amplitude pulsators
H. Xiong, L. Casagrande, X. Chen +7
Blue large-amplitude pulsators (BLAPs) are a newly discovered type of variable star. Their typical pulsation periods are on the order of a few tens of minutes, with relatively larg…
An 18.9-minute Blue Large-Amplitude Pulsator Crossing the 'Hertzsprung Gap' of Hot Subdwarfs
Jie Lin, Chengyuan Wu, Xiaofeng Wang +28
Blue large-amplitude pulsators (BLAPs) represent a new and rare class of hot pulsating stars with unusually large amplitudes and short periods. Up to now, only 24 confirmed BLAPs h…
Formation of ultra-massive carbon-oxygen white dwarfs from the merger of carbon-oxygen and helium white dwarf pairs
Chengyuan Wu, Heran Xiong, Xiaofeng Wang
Ultra-massive white dwarfs (UMWDs) with masses larger than 1.05Msun are basically believed to harbour oxygen-neon (ONe) cores. Recently, Gaia data reveals an enhancement of UMWDs o…
The Binarity of Early-type Stars from LAMOST Medium-resolution Spectroscopic Survey
Yanjun Guo, Jiao Li, Jianping Xiong +8
Massive binaries play significant roles in many fields. Identification of massive stars, particularly massive binaries, is of great importance. In this paper, by adopting the techn…
WD mass and orbital period relation of sdB + He WD binaries
Yangyang Zhang, Hai-Liang Chen, Heran Xiong +2
Most subdwarf B (sdB) + Helium white dwarf (He WD) binaries are believed to be formed from a particular channel. In this channel, the He WDs are produced first from red giants (RGs…
Convective overshooting in sdB stars using the - model
Yan Li, Xing-hao Chen, He-ran Xiong +3
Mixing in the convective core is quite uncertain in core helium burning stars. In order to explore the overshooting mixing beyond the convective core, we incorporated the - p…
Subdwarf B stars from the common envelope ejection channel
H. Xiong, X. Chen, P. Podsiadlowski +2
From the canonical binary scenario, the majority of sdBs are produced from low-mass stars with degenerate cores where helium is ignited in a way of flashes. Due to numerical diffic…