暗能量光谱仪早期数据发布中的莱曼-α森林星表
宇宙学与河外天体物理
2025-03-27 v6
摘要
我们呈现并验证了使用暗能量光谱仪（DESI）巡天早期数据发布（EDR）进行三维分析的莱曼-α森林涨落星表。我们使用了从 DESI 巡天验证（SV）数据和主巡天前两个月（M2）收集的 88,511 个类星体。我们展示了对先前斯隆数字巡天（SDSS）分析中所用提取莱曼-α吸收涨落方法的若干改进。特别地，我们修改了加权方案，并表明其可将相关函数测量的精度提高 20% 以上。该星表可从 https://data.desi.lbl.gov/public/edr/vac/edr/lya/fuji/v0.3 下载，并将在不久的将来用于 DESI 首次莱曼-α森林三维相关性的测量。
引用
@article{arxiv.2306.06312,
title = {The Lyman-$\alpha$ forest catalog from the Dark Energy Spectroscopic Instrument Early Data Release},
author = {César Ramírez-Pérez and Ignasi Pérez-Ràfols and Andreu Font-Ribera and Marie Lynn Abdul-Karim and E. Armengaud and J. Bautista and S. F. Beltran and L. Cabayol-Garcia and Z. Cai and S. Chabanier and E. Chaussidon and J. Chaves-Montero and A. Cuceu and R. de la Cruz and J. García-Bellido and A. X. Gonzalez-Morales and C. Gordon and H. K. Herrera-Alcantar and V. Iršič and M. Ishak and N. G. Karaçaylı and Zarija Lukić and C. J. Manser and P. Montero-Camacho and L. Napolitano and G. Niz and M. Pieri and C. Ravoux and F. Sinigaglia and T. Tan and M. Walther and B. Wang and J. Aguilar and S. Ahlen and S. Bailey and D. Brooks and T. Claybaugh and K. Dawson and A. de la Macorra and G. Dhungana and P. Doel and K. Fanning and J. E. Forero-Romero and S. Gontcho A Gontcho and J. Guy and K. Honscheid and R. Kehoe and T. Kisner and M. Landriau and L. Le Guillou and M. E. Levi and C. Magneville and P. Martini and A. Meisner and R. Miquel and J. Moustakas and E. Mueller and A. Muñoz-Gutiérrez and J. Nie and N. Palanque-Delabrouille and W. J. Percival and G. Rossi and E. Sanchez and E. F. Schlafly and D. Schlegel and H. Seo and G. Tarlé and B. A. Weaver and C. Yèche and Z. Zhou},
journal= {arXiv preprint arXiv:2306.06312},
year = {2025}
}