基于 DESI DR1 全尺度聚类与星系-星系透镜的宇宙学约束
宇宙学与河外天体物理
2025-12-19 v1
摘要
我们呈现对暗能量光谱仪器 (DESI) 数据发布第 1 版中星系聚类和星系-星系透镜分析得到的宇宙结构增长约束。我们分析了来自亮光星系调查 (BGS) 和光亮红色星系 (LRG) 目标类的四个样本。DESI 的投影星系聚类测量补充来自暗能量探测 (DES)、开阔度级测绘 (KiDS) 和 Hyper Suprime-Cam (HSC) 测绘的透镜测量。我们的方法依赖于基于 AbacusSummit 模拟的仿真建模框架，结合包含 assembly bias 的复杂光度分布模型。我们对聚类尺度下探至 ，对透镜尺度下探至 ，从而对 和 施加严格约束。我们发现使用来自 DES 和 KiDS 的透镜测量时，，。同样地，对于 HSC，在假设 HSC 合作组织建议的最佳光度红移偏移时，我们找到 ，。总体而言，我们的结果与文献中其他结果良好一致，同时继续凸显了非线性尺度的约束力。
引用
@article{arxiv.2512.15962,
title = {Cosmological Constraints from Full-Scale Clustering and Galaxy-Galaxy Lensing with DESI DR1},
author = {Johannes U. Lange and Alexandra Wells and Andrew Hearin and Gillian Beltz-Mohrmann and Alexie Leauthaud and Sven Heydenreich and Chris Blake and Jessica Nicole Aguilar and Steven Ahlen and Abhijeet Anand and Davide Bianchi and David Brooks and Francisco Javier Castander and Todd Claybaugh and Shaun Cole and Andrei Cuceu and Kyle Dawson and Axel de la Macorra and Biprateep Dey and Peter Doel and Ann Elliott and Ni Putu Audita Placida Emas and Simone Ferraro and Andreu Font-Ribera and Jaime E. Forero-Romero and Cristhian Garcia-Quintero and Enrique Gaztañaga and Satya Gontcho A Gontcho and Gaston Gutierrez and Julien Guy and Klaus Honscheid and Dragan Huterer and Mustapha Ishak and Shahab Joudaki and Dick Joyce and Robert Kehoe and David Kirkby and Theodore Kisner and Anthony Kremin and Alex Krolewski and Ofer Lahav and Claire Lamman and Martin Landriau and Laurent Le Guillou and Michael Levi and Marc Manera and Paul Martini and Aaron Meisner and Ramon Miquel and John Moustakas and Eva-Maria Mueller and Seshadri Nadathur and Jeffrey A. Newman and Gustavo Niz and Nathalie Palanque-Delabrouille and Will Percival and Claire Poppett and Anna Porredon and Francisco Prada and Ignasi Pérez-Ràfols and Amy Robertson and Graziano Rossi and Rossana Ruggeri and Eusebio Sanchez and Christoph Saulder and David Schlegel and Michael Schubnell and Agne Semenaite and Hee-Jong Seo and Joseph Harry Silber and David Sprayberry and Zechang Sun and Gregory Tarlé and Mariana Vargas Magana and Benjamin Alan Weaver and Risa Wechsler and Pauline Zarrouk and Rongpu Zhou and Hu Zou},
journal= {arXiv preprint arXiv:2512.15962},
year = {2025}
}
备注
16 pages, 7 figures