为北半球建造 30-40m 级望远镜及其科学价值：低表面亮度科学案例
天体物理仪器与方法
2025-12-18 v1 宇宙学与河外天体物理
星系天体物理
摘要
外星体低表面亮度（LSB， mag/arcsec）宇宙是现代天文学中至关重要却鲜为人知的前沿领域。此微弱领域的秘密，关乎完整把握星系演化、层级组装乃至暗物质本质的理解。当前理论模型本质上不完整，主要反映最亮、最易观测天体的特性。为克服这一关键偏差并开启此领域的奥秘，亟需一项变革性的观测能力提升。30-40m 级望远镜，尤其是借助自适应光学实现的前所未有的灵敏度与空间分辨率，是探索这些微弱、低密度恒星星区的必备工具。本白皮书阐述了该设施（ strategically 位于北半球以便准入关键近距离结构与丰富环境）能够实现的变革性 LSB 科学。
引用
@article{arxiv.2512.14784,
title = {Why the Northern Hemisphere Needs a 30-40 m Telescope and the Science at Stake: A Low Surface Brightness Science Case},
author = {Mireia Montes and Ignacio Trujillo and David Martínez Delgado and Borja Anguiano and Magda Arnaboldi and Michael A. Beasley and Fernando Buitrago and Michele Cantiello and Andrés del Pino and Amandine Doliva-Dolinsky and Helena Domínguez-Sánchez and Mauro D'Onofrio and Pierre-Alain Duc and Katja Fahrion and Anna Ferré-Mateu and Carme Gallart and Nina Hatch and Enrica Iodice and Yolanda Jiménez-Teja and Francine Marleau and Chris Mihos and Nicola Napolitano and Agnieszka Pollo and Javier Román and Joanna Sakowska and Jorge Sánchez Almeida and Patricia Sánchez-Blázquez and Marilena Spavone and Guillaume Thomas and Eva Villaver},
journal= {arXiv preprint arXiv:2512.14784},
year = {2025}
}
备注
White Paper submitted to "ESO Expanding Horizons: Transforming Astronomy in the 2040s"