Space Sciences

Bound star clusters observed in a lensed galaxy 460 Myr after the Big Bang

A. Adamo, L. D. Bradley, et al.

This paper reveals the discovery of gravitationally bound star clusters in an ancient lensed galaxy, shedding light on their proto-globular characteristics and implications for early galaxy formation and reionization. Conducted by esteemed researchers including Angela Adamo and Larry D. Bradley, this study challenges our understanding of star cluster evolution in the universe's infancy.

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Abstract

This paper reports the observation of gravitationally bound star clusters in a lensed galaxy, approximately 460 million years after the Big Bang. These clusters exhibit significantly higher stellar densities and smaller sizes than typical young star clusters in the local universe and globular clusters in the Milky Way. Their properties suggest they are proto-globular clusters, and their formation and evolution are discussed in the context of early universe galaxy formation and reionization.

Publisher

Nature

Published On

Aug 15, 2024

Authors

Angela Adamo, Larry D. Bradley, Eros Vanzella, Adélaïde Claeyssens, Brian Welch, Jose M. Diego, Guillaune Mahler, Masanobu Oguri, Ken Frost, Abdurou, Tiger Yu-Yang Hsiao, Xinfeng Xu, Matteo Mess, Augusto E. Lassen, Erik Zackrisson, Gabriel Brammer, Dan Coe, Vasily Kokorev, Massimo Ricotti, Adi Zitrin, Seiji Fujimoto, Akio K. Inoue, Tom Ressellguer, Jane R. Rigby, Yolanda Jiménez-Teja, Rogier A. Windhorst, Takuya Hashimoto, Yoichi Tamura

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