Results 1 to 10 of about 190,787 (328)

Young massive star clusters: Achievements and challenges [PDF]

Proceedings of the International Astronomical Union, 2009
In spite of significant recent and ongoing research efforts, most of the early evolution and long-term fate of young massive star clusters remain clouded in uncertainties.
de Grijs, Richard
core   +3 more sources

Gamma ray emission from embedded young massive star clusters unveiled by Fermi-LAT [PDF]

EPJ Web of Conferences
Massive star clusters (SCs) have been proposed as additional contributors to Galactic Cosmic rays (CRs), to overcome the limitations of supernova remnants (SNR) to reach the highest energy end of the Galactic CR spectrum.
Peron Giada, Morlino Giovanni, Amato Elena, Menchiari Stefano   +3 more
doaj   +3 more sources

A cosmic-ray loaded nascent outflow driven by a massive star cluster [PDF]

Nature Communications
Cosmic rays are widely held to drive outflows from star-forming galaxies and profoundly influence galaxy evolution. Direct evidence for cosmic-ray carrying outflows is however lacking.
Marianne Lemoine-Goumard, Lucia Härer, Lars Mohrmann, Romain Bernet, Jim Hinton, Giada Peron, Brian Reville, Luigi Tibaldo, Thibault Vieu   +8 more
doaj   +2 more sources

The M/L ratio of massive young clusters

, 2005
We point out a strong time-evolution of the mass-to-light conversion factor \eta commonly used to estimate masses of dense star clusters from observed cluster radii and stellar velocity dispersions. We use a gas-dynamical model coupled with the Cambridge
A. Lançon, C. M. Boily, D. C. Heggie, Giersz M., Heggie D. C., Kroupa P., Larson R. B., Louis P. D., Lynden-Bell D., S. Deiters, Scalo J. M., Spurzem R.   +11 more
core   +2 more sources

Initial Mass Functions of Young Stellar Clusters from the Gemini Spectroscopic Survey of Nearby Galaxies. I. Young Massive Clusters in the Antennae Galaxies

The Astronomical Journal
The stellar initial mass function (IMF) is a key parameter to understand the star formation process and the integrated properties of stellar populations in remote galaxies.
Jae-Rim Koo, Hyun-Jeong Kim, Beomdu Lim
doaj   +2 more sources

Fragmentation of young massive clusters in binary components: an application of Griddy Gibbs Sampler [PDF]

Frontiers in Astronomy and Space Sciences
The study of the process of hierarchical fragmentation of molecular clouds within Young Massive Clusters required modeling the Initial Mass Function by considering both binary and single-star components.
Abisa Sinha Adhikary, Ankita Das
doaj   +2 more sources

Detecting the Black Hole Candidate Population in M51’s Young Massive Star Clusters: Constraints on Accreting Intermediate-mass Black Holes

The Astrophysical Journal
Intermediate-mass black holes (10 ^2  
Kristen C. Dage, Evangelia Tremou, Bolivia Cuevas Otahola, Eric W. Koch, Kwangmin Oh, Richard M. Plotkin, Vivian L. Tang, Muhammad Ridha Aldhalemi, Zainab Bustani, Mariam Ismail Fawaz, Hans J. Harff, Amna Khalyleh, Timothy McBride, Jesse Mason, Anthony Preston, Cortney Rinehart, Ethan Vinson, Gemma Anderson, Edward M. Cackett, Shih Ching Fu, Sebastian Kamann, Teresa Panurach, Renuka Pechetti, Payaswini Saikia, Susmita Sett, Ryan Urquhart, Christopher Usher   +26 more
doaj   +2 more sources

PHANGS–JWST First Results: Massive Young Star Clusters and New Insights from JWST Observations of NGC 1365

The Astrophysical Journal Letters, 2023
A primary new capability of JWST is the ability to penetrate the dust in star-forming galaxies to identify and study the properties of young star clusters that remain embedded in dust and gas. In this Letter we combine new infrared images taken with JWST
Bradley C. Whitmore, Rupali Chandar, M. Jimena Rodríguez, Janice C. Lee, Eric Emsellem, Matthew Floyd, Hwihyun Kim, J. M. Diederik Kruijssen, Angus Mok, Mattia C. Sormani, Médéric Boquien, Daniel A. Dale, Christopher M. Faesi, Kiana F. Henny, Stephen Hannon, David A. Thilker, Richard L. White, Ashley T. Barnes, F. Bigiel, Mélanie Chevance, Jonathan D. Henshaw, Ralf S. Klessen, Adam K. Leroy, Daizhong Liu, Daniel Maschmann, Sharon E. Meidt, Erik Rosolowsky, Eva Schinnerer, Jiayi Sun, Elizabeth J. Watkins, Thomas G. Williams   +30 more
doaj   +1 more source

A Tale of Three Dwarfs: No Extreme Cluster Formation in Extreme Star-forming Galaxies

The Astrophysical Journal, 2023
Nearly all current simulations predict that outcomes of the star formation process, such as the fraction of stars that form in bound clusters (Γ), depend on the intensity of star formation activity (Σ _SFR ) in the host galaxy.
Rupali Chandar, Miranda Caputo, Angus Mok, Sean Linden, Bradley C. Whitmore, Aimee Toscano, Jaidyn Conyer, David O. Cook, Janice C. Lee, Leonardo Ubeda, Richard White   +10 more
doaj   +1 more source

RELICS: Small-scale Star Formation in Lensed Galaxies at z = 6–10

The Astrophysical Journal, 2023
Detailed observations of star-forming galaxies at high redshift are critical to understanding the formation and evolution of the earliest galaxies. Gravitational lensing provides an important boost, allowing observations at physical scales unreachable in
Brian Welch, Dan Coe, Adi Zitrin, Jose M. Diego, Rogier Windhorst, Nir Mandelker, Eros Vanzella, Swara Ravindranath, Erik Zackrisson, Michael Florian, Larry Bradley, Keren Sharon, Maruša Bradač, Jane Rigby, Brenda Frye, Seiji Fujimoto   +15 more
doaj   +1 more source