DESC DC2 数据发布说明
宇宙学与河外天体物理
2025-06-18 v5 天体物理仪器与方法
摘要
为准备 Vera C. Rubin 天文台时空遗产巡天（LSST）的宇宙学分析，LSST 暗能量科学合作组（LSST DESC）作为名为数据挑战 2（DC2）的工作的一部分，创建了一个 300 deg 的模拟巡天。该 DC2 模拟巡天涵盖六个光学波段，观测遵循参考 LSST 观测节奏，并使用 LSST 科学管道（19.0.0）进行处理。本说明中，我们描述了对五年模拟观测叠加图像所得天体星表及关联真值星表的公开数据发布。我们简要介绍了可用数据集的主要特征。为便于访问数据产品，我们开发了连接至 Globus 数据服务的门户网站。我们说明了如何访问数据，并提供 Python 示例 Jupyter Notebooks 以辅助初次使用数据。我们通过 GitHub 仓库欢迎关于该数据发布的反馈与疑问。
引用
@article{arxiv.2101.04855,
title = {DESC DC2 Data Release Note},
author = {LSST Dark Energy Science Collaboration and Bela Abolfathi and Robert Armstrong and Humna Awan and Yadu N. Babuji and Franz Erik Bauer and George Beckett and Rahul Biswas and Joanne R. Bogart and Dominique Boutigny and Kyle Chard and James Chiang and Johann Cohen-Tanugi and Andrew J. Connolly and Scott F. Daniel and Seth W. Digel and Alex Drlica-Wagner and Richard Dubois and Eric Gawiser and Thomas Glanzman and Salman Habib and Andrew P. Hearin and Katrin Heitmann and Fabio Hernandez and Renée Hložek and Joseph Hollowed and Mike Jarvis and Saurabh W. Jha and J. Bryce Kalmbach and Heather M. Kelly and Eve Kovacs and Danila Korytov and K. Simon Krughoff and Craig S. Lage and François Lanusse and Patricia Larsen and Nan Li and Emily Phillips Longley and Robert H. Lupton and Rachel Mandelbaum and Yao-Yuan Mao and Phil Marshall and Joshua E. Meyers and Ji Won Park and Julien Peloton and Daniel Perrefort and James Perry and Stéphane Plaszczynski and Adrian Pope and Eli S. Rykoff and F. Javier Sánchez and Samuel J. Schmidt and Thomas D. Uram and Antonia Villarreal and Christopher W. Walter and Matthew P. Wiesner and W. Michael Wood-Vasey},
journal= {arXiv preprint arXiv:2101.04855},
year = {2025}
}
备注
25 pages, 3 figures; 9 tables. A detailed changelog can be found in Appendix A. To obtain data, visit the DESC Data Portal at https://data.lsstdesc.org/