activity
20172026
most citedModeling Dense Star Clusters in the Milky Way and Beyond with the Cluster Catalog

214 citations · 1.1k across the 25 of their papers we have counts for

collaborators

26 papers

astro-ph.SR2026

AGB-star Mass Transfer Products in Stellar Streams as Tracers of Density in Dissolved Star Clusters

Newlin C. Weatherford, Madeleine McKenzie, Sam A. Usman

The least dense globular clusters (GCs) appear to host the highest fractions of stars with chemical signatures of mass transfer from asymptotic giant branch (AGB) companions. Recen…

astro-ph.GA2025

Connecting Cores and Black Hole Dynamics Across Scales: From Globular Clusters to Massive Ellipticals

Kyle Kremer, Newlin C. Weatherford, Philip F. Hopkins +2

The centers of massive elliptical galaxies exhibit a wide range in density profiles, from central cusps to resolved cores with order kiloparsec sizes. The cored ellipticals have be…

astro-ph.GA2025

Breaking Down the : Toward Modeling and Understanding Globular Cluster Stellar Streams in a Fully Cosmological Context

Nondh Panithanpaisal, Robyn E. Sanderson, Carl L. Rodriguez +7

Next-generation surveys are expected to uncover thousands of globular cluster (GC) stellar streams, motivating the need for a theoretical framework that produces realistic GC strea…

astro-ph.GA2025

Kinematics of Stellar Streams from Globular Clusters Depend on Black Hole Retention and Star Mass: A Selection Effect for Dark Matter Inference

Newlin C. Weatherford, Ana Bonaca

Velocity dispersion () in stellar streams from globular clusters (GCs) is sensitive to heating by Galactic substructure, including dark matter (DM) subhalos. Recent studies have…

astro-ph.GA2025

A Million Three-body Binaries Caught by Gaia

Dany Atallah, Yonadav Barry Ginat, Newlin C. Weatherford

Gaia observations have revealed over a million stellar binary candidates within ~1 kpc of the Sun, predominantly characterized by orbital separations >10^3 AU and eccentricities >0…

astro-ph.GA2024

IMBH Progenitors from Stellar Collisions in Dense Star Clusters

Elena González Prieto, Newlin C. Weatherford, Giacomo Fragione +2

Very massive stars (VMSs) formed via a sequence of stellar collisions in dense star clusters have been proposed as the progenitors of massive black hole seeds. VMSs could indeed co…

astro-ph.SR2024★ 1 cited

On Binary Formation from Three Initially Unbound Bodies

Dany Atallah, Newlin C. Weatherford, Alessandro A. Trani +1

We explore three-body binary formation (3BBF), the formation of a bound system via gravitational scattering of three initially unbound bodies (3UB), using direct numerical integrat…

astro-ph.GA2023★ 3 cited

Stellar Escape from Globular Clusters. II. Clusters May Eat Their Own Tails

Newlin C. Weatherford, Frederic A. Rasio, Sourav Chatterjee +3

We apply for the first time the Monte Carlo star cluster modeling method to study tidal tail and stellar stream formation from globular clusters, assuming a circular orbit in a smo…

astro-ph.GA2022★ 45 cited

Stellar Escape from Globular Clusters. I. Escape Mechanisms and Properties at Ejection

Newlin C. Weatherford, Fulya Kıroğlu, Giacomo Fragione +3

The theory of stellar escape from globular clusters (GCs) dates back nearly a century, especially the gradual evaporation of GCs via two-body relaxation coupled with external tides…

astro-ph.GA2022★ 31 cited

Growing Black Holes through Successive Mergers in Galactic Nuclei: I. Methods and First Results

Dany Atallah, Alessandro A. Trani, Kyle Kremer +4

We present a novel, few-body computational framework designed to shed light on the likelihood of forming intermediate-mass (IM) and supermassive (SM) black holes (BHs) in nuclear s…

astro-ph.HE2022★ 23 cited

Intermediate-mass Black Holes on the Run from Young Star Clusters

Elena González Prieto, Kyle Kremer, Giacomo Fragione +4

The existence of black holes (BHs) with masses in the range between stellar remnants and supermassive BHs has only recently become unambiguously established. GW190521, a gravitatio…

astro-ph.GA2021

Gravitational Microlensing Rates in Milky Way Globular Clusters

Fulya Kıroğlu, Newlin C. Weatherford, Kyle Kremer +3

Many recent observational and theoretical studies suggest that globular clusters (GCs) host compact object populations large enough to play dominant roles in their overall dynamica…

astro-ph.HE2021★ 32 cited

Compact Object Modeling in the Globular Cluster 47 Tucanae

Claire S. Ye, Kyle Kremer, Carl L. Rodriguez +5

The globular cluster 47~Tucanae (47~Tuc) is one of the most massive star clusters in the Milky Way and is exceptionally rich in exotic stellar populations. For several decades it h…

astro-ph.GA2021★ 113 cited

Modeling Dense Star Clusters in the Milky Way and Beyond with the Cluster Monte Carlo Code

Carl L. Rodriguez, Newlin C. Weatherford, Scott C. Coughlin +10

We describe the public release of the Cluster Monte Carlo Code (CMC) a parallel, star-by-star -body code for modeling dense star clusters. CMC treats collisional stellar dynamic…

astro-ph.GA2021★ 57 cited

White Dwarf Subsystems in Core-Collapsed Globular Clusters

Kyle Kremer, Nicholas Z. Rui, Newlin C. Weatherford +5

Numerical and observational evidence suggests that massive white dwarfs dominate the innermost regions of core-collapsed globular clusters by both number and total mass. Using NGC…

astro-ph.GA2021★ 18 cited

No Black Holes in NGC 6397

Nicholas Z. Rui, Newlin Weatherford, Kyle Kremer +5

Recently, \citet{vitral2021does} detected a central concentration of dark objects in the core-collapsed globular cluster NGC 6397, which could be interpreted as a subcluster of ste…

astro-ph.GA2021★ 26 cited

Matching Globular Cluster Models to Observations

Nicholas Z. Rui, Kyle Kremer, Newlin C. Weatherford +4

As ancient, gravitationally bound stellar populations, globular clusters are abundant, vibrant laboratories characterized by high frequencies of dynamical interactions coupled to c…

astro-ph.HE2021★ 42 cited

The Observed Rate of Binary Black Hole Mergers can be Entirely Explained by Globular Clusters

Carl L. Rodriguez, Kyle Kremer, Sourav Chatterjee +5

Since the first signal in 2015, the gravitational-wave detections of merging binary black holes (BBHs) by the LIGO and Virgo collaborations (LVC) have completely transformed our un…

astro-ph.HE2021★ 102 cited

Intermediate-mass Black Holes from High Massive-star Binary Fractions in Young Star Clusters

Elena González, Kyle Kremer, Sourav Chatterjee +5

Black holes formed in dense star clusters, where dynamical interactions are frequent, may have fundamentally different properties than those formed through isolated stellar evoluti…

astro-ph.GA2021★ 46 cited

Black Hole Mergers from Star Clusters with Top-Heavy Initial Mass Functions

Newlin C. Weatherford, Giacomo Fragione, Kyle Kremer +4

Recent observations of globular clusters (GCs) provide evidence that the stellar initial mass function (IMF) may not be universal, suggesting specifically that the IMF grows increa…

astro-ph.GA2020★ 91 cited

Black Hole Mergers from Hierarchical Triples in Dense Star Clusters

Miguel A. S. Martinez, Giacomo Fragione, Kyle Kremer +8

Hierarchical triples are expected to be produced by the frequent binary-mediated interactions in the cores of globular clusters. In some of these triples, the tertiary companion ca…

astro-ph.GA2020★ 25 cited

Demographics of triple systems in dense star clusters

Giacomo Fragione, Miguel A. S. Martinez, Kyle Kremer +6

Depending on the stellar type, more than \% and of stars in the field have at least one and two stellar companions, respectively. Hierarchical systems can be a…

astro-ph.HE2020★ 61 cited

GW190412 as a Third-Generation Black Hole Merger from a Super Star Cluster

Carl L. Rodriguez, Kyle Kremer, Michael Y. Grudić +8

We explore the possibility that GW190412, a binary black hole merger with a non-equal-mass ratio and significantly spinning primary, was formed through repeated black hole mergers…

astro-ph.SR2019★ 77 cited

A Dynamical Survey of Stellar-Mass Black Holes in 50 Milky Way Globular Clusters

Newlin C. Weatherford, Sourav Chatterjee, Kyle Kremer +1

Recent numerical simulations of globular clusters (GCs) have shown that stellar-mass black holes (BHs) play a fundamental role in driving cluster evolution and shaping their presen…