Recent Star Formation in 0.5 < z < 1.5 Quiescent Galaxies

Michael J. Rutkowski, Bonnabelle Zabelle, Tyler Hagen, Seth Cohen, Christopher Conselice, Norman Grogin, Yicheng Guo, Matthew Hayes, Sugata Kaviraj, Anton Koekemoer, Ray A. Lucas, Kameswara Bharadwaj Mantha, Alec Martin, Vihang Mehta, Bahram Mobasher, Nimish Hathi, Kalina V. Nedkova, Robert O'Connell, Marc Rafelski, Claudia ScarlataHarry I. Teplitz, Xin Wang, Rogier Windhorst, Aaron Yung, the UVCANDELS Team

Research output: Contribution to journalArticlepeer-review

Abstract

Observations of massive, quiescent galaxies reveal a relatively uniform evolution: following prolific star formation in the early Universe, these galaxies quench and transition to their characteristic quiescent state in the local Universe. The debate on the relative role and frequency of the process(es) driving this evolution is robust. In this Letter, we identify 0.5 ≲ z ≲ 1.5 massive, quiescent galaxies in the Hubble Space Telescope/UVCANDELS extragalactic deep fields using traditional color selection methods and model their spectral energy distributions, incorporating novel UV images. This analysis reveals ∼15% of massive, quiescent galaxies have experienced minor, recent star formation (
Original languageEnglish
Article numberL32
Pages (from-to)1-9
Number of pages9
JournalAstrophysical Journal Letters
Volume983
Issue number2
Early online date14 Apr 2025
DOIs
Publication statusE-pub ahead of print - 14 Apr 2025

Keywords

  • astro-ph.GA
  • Galaxy evolution
  • Ultraviolet astronomy

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