activity
20172026
most citedBlack Hole and Neutron Star Binary Mergers in Triple Systems: II. Merger Eccentricity and Spin-Orbit Misalignment

70 citations · 459 across the 23 of their papers we have counts for

collaborators

23 papers

astro-ph.HE2026

EP250302a: violent shell collision in a soft-X-ray-selected GRB-like transient

Shao-Yu Fu, Cui-Yuan Dai, Ai-Ling Wang +57

The Einstein Probe opens a previously unexplored soft X-ray window onto gamma-ray bursts, filling a critical observational gap in the soft X-ray coverage of their prompt emission.…

astro-ph.HE2024★ 6 cited

The Cosmological Population of Gamma-Ray Bursts from the Disks of Active Galactic Nuclei

Hoyoung D. Kang, Rosalba Perna, Davide Lazzati +1

With the discovery of gravitational waves (GWs), Active Galactic Nuclei (AGN) disks have emerged as an interesting environment for hosting a fraction of their sources. AGN disks ar…

astro-ph.GA2023★ 4 cited

Stellar/BH Population in AGN Disks: Direct Binary Formation from Capture Objects in Nuclei Clusters

Yihan Wang, Zhaohuan Zhu, Douglas N. C. Lin

The Active Galatic Nuclei(AGN) disk has been proposed as a potential channel for the merger of binary black holes. The population of massive stars and black holes in AGN disks capt…

astro-ph.HE2023★ 2 cited

Tidal Peeling Events: low-eccentricity tidal disruption of a star by a stellar-mass black hole

Chengcheng Xin, Zoltan Haiman, Rosalba Perna +2

Close encounters between stellar-mass black holes (BHs) and stars occur frequently in dense star clusters and in the disks of active galactic nuclei (AGNs). Recent studies have sho…

astro-ph.SR2023★ 2 cited

Effective two-body scatterings around a massive object

Yihan Wang, Saavik Ford, Rosalba Perna +3

Two-body scatterings under the potential of a massive object are very common in astrophysics. If the massive body is far enough away that the two small bodies are in their own grav…

astro-ph.HE2022★ 25 cited

Close Encounters of Stars with Stellar-mass Black Hole Binaries

Taeho Ryu, Rosalba Perna, Yihan Wang

Many astrophysical environments, from star clusters and globular clusters to the disks of Active Galactic Nuclei, are characterized by frequent interactions between stars and the c…

astro-ph.HE2022★ 25 cited

The emergence of diffused Gamma-Ray Burst afterglows from the disks of Active Galactic Nuclei

Yihan Wang, Davide Lazzati, Rosalba Perna

The disks of Active Galactic Nuclei (AGNs) have emerged as rich environments for the production and capture of stars and the compact objects that they leave behind. These stars pro…

astro-ph.HE2021

Host galaxies and electromagnetic counterparts to binary neutron star mergers across the cosmic time: Detectability of GW170817-like events

Rosalba Perna, M. Celeste Artale, Yi-Han Wang +4

The detection of electromagnetic radiation (EM) accompanying the gravitational wave (GW) signal from the binary neutron star (BNS) merger GW170817 has revealed that these systems c…

astro-ph.HE2021★ 37 cited

Symmetry Breaking in Dynamical Encounters in the Disks of Active Galactic Nuclei

Yihan Wang, Barry McKernan, Saavik Ford +3

Active galactic nucleus (AGN) disks may be important sites of binary black hole (BBH) mergers. Here we show via numerical experiments with the high-accuracy, high precision code {\…

astro-ph.EP2021★ 16 cited

Hot Jupiter formation in dense clusters: secular chaos in multi-planetary systems

Yihan Wang, Rosalba Perna, Nathan W. C. Leigh +1

Exoplanetary observations reveal that the occurrence rate of hot Jupiters is correlated with star clustering. In star clusters, interactions between planetary systems and close fly…

astro-ph.SR2021★ 17 cited

SpaceHub: A high-performance gravity integration toolkit for few-body problems in astrophysics

Yi-Han Wang, Nathan Leigh, Bin Liu +1

We present the open source few-body gravity integration toolkit {\tt SpaceHub}. {\tt SpaceHub} offers a variety of algorithmic methods, including the unique algorithms AR-Radau, AR…

astro-ph.HE2021★ 29 cited

Partial tidal disruption events by stellar mass black holes: gravitational instability of stream and impact from remnant core

Yi-Han Wang, Rosalba Perna, Philip J. Armitage

In dense star clusters, such as globular and open clusters, dynamical interactions between stars and black holes (BHs) can be extremely frequent, leading to various astrophysical t…

astro-ph.EP2020★ 22 cited

Hot Jupiter and ultra-cold Saturn formation in dense star clusters

Yi-Han Wang, Nathan W. C. Leigh, Rosalba Perna +1

The discovery of high incidence of hot Jupiters in dense clusters challenges the field-based hot Jupiter formation theory. In dense clusters, interactions between planetary systems…

astro-ph.EP2020★ 11 cited

Giant planet swaps during close stellar encounters

Yi-Han Wang, Rosalba Perna, Nathan W. C. Leigh

The discovery of planetary systems outside of the solar system has challenged some of the tenets of planetary formation. Among the difficult-to-explain observations, are systems wi…

astro-ph.EP2020★ 32 cited

Planetary Architectures in Interacting Stellar Environments

Yi-Han Wang, Rosalba Perna, Nathan W. C. Leigh

The discovery of Exoplanetary Systems has challenged some of the theories of planet formation, which assume unperturbed evolution of the host star and its planets. However, in star…

astro-ph.GA2019★ 5 cited

The cosmological distribution of compact object mergers from dynamical interactions with SMBH binaries

Yi-Han Wang, Nathan Leigh, Alberto Sesana +1

We combine sophisticated high precision scattering experiments, together with results from the Millenium-II simulation, to compute the cosmic merger rate of bound compact object (C…

astro-ph.HE2019★ 63 cited

Binary Mergers near a Supermassive Black Hole: Relativistic Effects in Triples

Bin Liu, Dong Lai, Yi-Han Wang

We study the general relativitic (GR) effects induced by a spinning supermassive black hole on the orbital and spin evolution of a merging black hole binary (BHB) in a hierarchical…

astro-ph.HE2019★ 70 cited

Black Hole and Neutron Star Binary Mergers in Triple Systems: II. Merger Eccentricity and Spin-Orbit Misalignment

Bin Liu, Dong Lai, Yi-Han Wang

We study the dynamical signatures of black hole (BH) and neutron star (NS) binary mergers via Lidov-Kozai oscillations induced by tertiary companions in hierarchical triple systems…

astro-ph.HE2019★ 3 cited

Multi-Messenger Astronomy with Extremely Large Telescopes

Ryan Chornock, Philip S. Cowperthwaite, Raffaella Margutti +82

The field of time-domain astrophysics has entered the era of Multi-messenger Astronomy (MMA). One key science goal for the next decade (and beyond) will be to characterize gravitat…

astro-ph.HE2019★ 54 cited

Constraining the Black Hole Initial Mass Function with LIGO/VIRGO Observations

Rosalba Perna, Yi-Han Wang, Will M. Farr +2

Prior to the detection of black holes (BHs) via the gravitational waves (GWs) they generate at merger, the presence of BHs was inferred in X-ray binaries, mostly via dynamical meas…

astro-ph.GA2018★ 10 cited

Hypervelocity binaries from close encounters with a SMBH-IMBH binary: orbital properties and diagnostics

Yi-Han Wang, Nathan Leigh, Alberto Sesana +1

Hypervelocity binaries (HVBs) can be produced by a close encounter between stellar binaries and supermassive black hole (SMBH)-intermediate massive black hole (IMBH) binaries. We p…

astro-ph.GA2017★ 16 cited

The fate of close encounters between binary stars and binary supermassive black holes

Yi-Han Wang, Nathan Leigh, Ye-Fei Yuan +1

The evolution of main sequence binaries that reside in the Galactic Centre can be heavily influenced by the central supermassive black hole (SMBH). Due to these perturbative effect…

astro-ph.GA2017★ 10 cited

Modified evolution of stellar binaries from supermassive black hole binaries

Bin Liu, Yi-Han Wang, Ye-Fei Yuan

The evolution of main sequence binaries resided in the galactic centre is influenced a lot by the central super massive black hole (SMBH). Due to this perturbation, the stars in a…