Euclid 筹备. XXVIII. 十种不同高阶弱透镜统计的预报
宇宙学与河外天体物理
2023-07-12 v2
摘要
近期的宇宙剪切研究表明,由独立团队开发的高阶统计(HOS)因其对大尺度结构非高斯特征的敏感性,目前在统计精度上已优于标准两点估计量。高阶弱透镜统计(HOWLS)项目的目标是在一组通用的类 模拟数据(源自 N 体模拟)上评估、比较并组合十种不同 HOS 的约束能力。在 HOWLS 系列的首篇论文中,我们计算了单点概率分布函数、峰值计数、Minkowski 泛函、Betti 数、持续同调 Betti 数与热图以及散射变换系数的非层析(, )Fisher 信息,并在无任何系统偏差情况下将其与剪切和收敛两点相关函数进行比较。我们还包含了三种高阶矩实现的预报,但由于这些统计的高斯似然假设失效,无法对其稳健解释。单独来看,我们发现每种 HOS 的预报精度约为两点统计的两倍,不同统计与宇宙学参数间略有差异。当组合所有 HOS 时,精度提升达 倍,凸显了 HOS 在 宇宙剪切宇宙学分析中的巨大潜力。本分析所用数据随论文公开发布。
引用
@article{arxiv.2301.12890,
title = {Euclid Preparation. XXVIII. Forecasts for ten different higher-order weak lensing statistics},
author = {Euclid Collaboration and V. Ajani and M. Baldi and A. Barthelemy and A. Boyle and P. Burger and V. F. Cardone and S. Cheng and S. Codis and C. Giocoli and J. Harnois-Déraps and S. Heydenreich and V. Kansal and M. Kilbinger and L. Linke and C. Llinares and N. Martinet and C. Parroni and A. Peel and S. Pires and L. Porth and I. Tereno and C. Uhlemann and M. Vicinanza and S. Vinciguerra and N. Aghanim and N. Auricchio and D. Bonino and E. Branchini and M. Brescia and J. Brinchmann and S. Camera and V. Capobianco and C. Carbone and J. Carretero and F. J. Castander and M. Castellano and S. Cavuoti and A. Cimatti and R. Cledassou and G. Congedo and C. J. Conselice and L. Conversi and L. Corcione and F. Courbin and M. Cropper and A. Da Silva and H. Degaudenzi and A. M. Di Giorgio and J. Dinis and M. Douspis and F. Dubath and X. Dupac and S. Farrens and S. Ferriol and P. Fosalba and M. Frailis and E. Franceschi and S. Galeotta and B. Garilli and B. Gillis and A. Grazian and F. Grupp and H. Hoekstra and W. Holmes and A. Hornstrup and P. Hudelot and K. Jahnke and M. Jhabvala and M. Kümmel and T. Kitching and M. Kunz and H. Kurki-Suonio and P. B. Lilje and I. Lloro and E. Maiorano and O. Mansutti and O. Marggraf and K. Markovic and F. Marulli and R. Massey and S. Mei and Y. Mellier and M. Meneghetti and M. Moresco and L. Moscardini and S. -M. Niemi and J. Nightingale and T. Nutma and C. Padilla and S. Paltani and K. Pedersen and V. Pettorino and G. Polenta and M. Poncet and L. A. Popa and F. Raison and A. Renzi and J. Rhodes and G. Riccio and E. Romelli and M. Roncarelli and E. Rossetti and R. Saglia and D. Sapone and B. Sartoris and P. Schneider and T. Schrabback and A. Secroun and G. Seidel and S. Serrano and C. Sirignano and L. Stanco and J. -L. Starck and P. Tallada-Crespí and A. N. Taylor and R. Toledo-Moreo and F. Torradeflot and I. Tutusaus and E. A. Valentijn and L. Valenziano and T. Vassallo and Y. Wang and J. Weller and G. Zamorani and J. Zoubian and S. Andreon and S. Bardelli and A. Boucaud and E. Bozzo and C. Colodro-Conde and D. Di Ferdinando and G. Fabbian and M. Farina and J. Graciá-Carpio and E. Keihänen and V. Lindholm and D. Maino and N. Mauri and C. Neissner and M. Schirmer and V. Scottez and E. Zucca and Y. Akrami and C. Baccigalupi and A. Balaguera-Antolínez and M. Ballardini and F. Bernardeau and A. Biviano and A. Blanchard and S. Borgani and A. S. Borlaff and C. Burigana and R. Cabanac and A. Cappi and C. S. Carvalho and S. Casas and G. Castignani and T. Castro and K. C. Chambers and A. R. Cooray and J. Coupon and H. M. Courtois and S. Davini and S. de la Torre and G. De Lucia and G. Desprez and H. Dole and J. A. Escartin and S. Escoffier and I. Ferrero and F. Finelli and K. Ganga and J. Garcia-Bellido and K. George and F. Giacomini and G. Gozaliasl and H. Hildebrandt and A. Jimenez Muñoz and B. Joachimi and J. J. E. Kajava and C. C. Kirkpatrick and L. Legrand and A. Loureiro and M. Magliocchetti and R. Maoli and S. Marcin and M. Martinelli and C. J. A. P. Martins and S. Matthew and L. Maurin and R. B. Metcalf and P. Monaco and G. Morgante and S. Nadathur and A. A. Nucita and V. Popa and D. Potter and A. Pourtsidou and M. Pöntinen and P. Reimberg and A. G. Sánchez and Z. Sakr and A. Schneider and E. Sefusatti and M. Sereno and A. Shulevski and A. Spurio Mancini and J. Steinwagner and R. Teyssier and J. Valiviita and A. Veropalumbo and M. Viel and I. A. Zinchenko},
journal= {arXiv preprint arXiv:2301.12890},
year = {2023}
}
备注
33 pages, 24 figures, main results in Fig. 19 & Table 5, version published in A&A