Results 1 to 10 of about 79,269 (269)

Evolution of Star Clusters within Galaxies Using Self-consistent Hybrid Hydro/N-body Simulations

The Astrophysical Journal
We introduce a GPU-accelerated hybrid hydro/ N -body code ( Enzo-N ) designed to address the challenges of concurrently simulating star clusters and their parent galaxies.
Yongseok Jo, Seoyoung Kim, Ji-hoon Kim, Greg L. Bryan   +3 more
doaj   +1 more source

Is Earendel a Star Cluster?: Metal-poor Globular Cluster Progenitors at z ∼ 6

The Astrophysical Journal Letters
The strongly lensed z  ∼ 6 Sunrise galaxy offers an incredible opportunity to investigate star formation in the early Universe on parsec or smaller scales.
Massimo Pascale, Liang Dai, Brenda L. Frye, Aliza G. Beverage   +3 more
doaj   +1 more source

A Comprehensive Study of Open Cluster Chemical Homogeneity Using APOGEE and Milky Way Mapper Abundances

The Astrophysical Journal
Stars in an open cluster are assumed to have formed from a broadly homogeneous distribution of gas, implying that they should be chemically homogeneous.
Amaya Sinha, Gail Zasowski, Peter Frinchaboy, Katia Cunha, Diogo Souto, Jamie Tayar, Keivan Stassun   +6 more
doaj   +1 more source

Disk-locking Regulates Stellar Rotation in Young Clusters: Insights from NGC 2264

The Astrophysical Journal
Many young clusters possess extended main sequences, a phenomenon commonly ascribed to stellar rotation. However, the mechanism behind their very wide stellar rotation distributions remains unclear.
Yutian Bu, Chenyu He, Min Fang, Chengyuan Li   +3 more
doaj   +1 more source

A Thorough Exploration of the Metal-rich Massive Open Cluster NGC 6253: Focusing on Membership, Binaries, Stragglers, and Mass Function

The Astrophysical Journal
This study provides an in-depth analysis of the ancient open galactic cluster NGC 6253, characterized by the presence of both blue and yellow straggler stars.
Huanbin Chi, Feng Wang
doaj   +1 more source

A JWST Project on 47 Tucanae: NIRSpec Spectroscopy of Multiple Populations among M Dwarfs

The Astrophysical Journal Letters
We present the first spectroscopic estimates of the chemical abundance of M dwarf stars in a globular cluster (GC), namely 47 Tucanae. By exploiting NIRSpec on board the James Webb Space Telescope, we gathered low-resolution spectra for 28 stars with ...
A. F. Marino, A. P. Milone, A. Renzini, E. Dondoglio, E. Bortolan, M. G. Carlos, G. Cordoni, A. Dotter, S. Jang, E. P. Lagioia, M. V. Legnardi, F. Muratore, A. Mohandasan, M. Tailo, T. Ziliotto   +14 more
doaj   +1 more source

slug IV: a novel forward-modelling method to derive the demographics of star clusters. [PDF]

Mon Not R Astron Soc, 2019
Krumholz MR, Adamo A, Fumagalli M, Calzetti D.   +3 more
europepmc   +1 more source

Binary Disruption and Ejected Stars from Hierarchical Star Cluster Assembly

The Astrophysical Journal
We simulate mergers between star clusters embedded within their natal giant molecular cloud. We extract initial conditions from cloud-scale simulations of cluster formation and introduce different prescriptions for primordial binaries.
Claude Cournoyer-Cloutier, Jeremy Karam, Alison Sills, Simon Portegies Zwart, Maite J. C. Wilhelm   +4 more
doaj   +1 more source

Star clusters, self-interacting dark matter halos, and black hole cusps: The fluid conduction model and its extension to general relativity. [PDF]

Phys Rev D, 2018
Shapiro SL.
europepmc   +1 more source

Discovery of 178 Open Clusters with Gaia DR3

The Astronomical Journal
We present 178 new open cluster candidates identified through the application of the HDBSCAN clustering algorithm to astrometric data from the Gaia DR3 catalog.
Wilton S Dias, Héktor Monteiro, Bruno Alessi, Jacques R. D. Lépine, Ruan P. Alves   +4 more
doaj   +1 more source