这项工作提出了第一个全面的研究结构形成的高峰时期的宇宙恒星形成的$1.4\leq z \leq 3.6$在COSMOS领域,包括最大规模的高红移星系原星系团在那个时代。我们应用扩展的COSMIC BIRTH算法来解释拉格朗日初始宇宙时间的多示踪剂和多调查贝叶斯分析。结合五个不同光谱红移巡天的数据(zCOSMOS-deep,VUDS,MOSDEF,ZFIRE,and FMOS-COSMOS),我们证明了相应的无偏原始密度场是可以推断的,如果从父测光星表中进行适当的测量完整性计算,并考虑光锥上的非线性和非局部演化的精确处理,包括(i)引力物质位移,(ii)特殊速度,(iii)星系偏差。重建揭示了对COSMOS场中已知原星系团的整体看法,以及宇宙网向低红移方向的增长。推断遥远的暗物质密度场与其他探测器同时进行,如星系际介质的层析重建,将探索气体和暗物质的相互作用,非常适合在即将到来的深调查中研究高红移的结构形成。
英文摘要:
This work presents the first comprehensive study of structure formation at the peak epoch of cosmic star formation over $1.4\leq z \leq 3.6$ in the COSMOS field, including the most massive high redshift galaxy proto-clusters at that era. We apply the extended COSMIC BIRTH algorithm to account for a multi-tracer and multi-survey Bayesian analysis at Lagrangian initial cosmic times. Combining the data of five different spectroscopic redshift surveys (zCOSMOS-deep, VUDS, MOSDEF, ZFIRE, and FMOS-COSMOS), we show that the corresponding unbiased primordial density fields can be inferred, if a proper survey completeness computation from the parent photometric catalogs, and a precise treatment of the non-linear and non-local evolution on the light-cone is taken into account, including (i) gravitational matter displacements, (ii) peculiar velocities, and (iii) galaxy bias. The reconstructions reveal a holistic view on the known proto-clusters in the COSMOS field and the growth of the cosmic web towards lower redshifts. The inferred distant dark matter density fields concurrently with other probes like tomographic reconstructions of the intergalactic medium will explore the interplay of gas and dark matter and are ideally suited to study structure formation at high redshifts in the light of upcoming deep surveys.
Roman CCS White Paper: Tracing stellar mass assembly and emerging quiescence at cosmic noon -- the case for deep imaging with all of Roman's wide filters in the HLTDS
本文论证了在 Roman 望远镜 HLTDS 中使用除 F146 外所有宽滤光片进行深度成像的必要性,以推动河外深场科学并改进 SN Ia 宇宙学系统学。
Chinese Academy of Sciences South America Center for Astronomy, National Astronomical Observatories, CAS(中国科学院南美天文中心,国家天文台);College of Earth Sciences, Guilin University of Technology(桂林理工大学地球科学学院);Key Laboratory for Computational Astrophysics, National Astronomical Observatories, Chinese Academy of Sciences(中国科学院国家天文台计算天体物理重点实验室)
Reaching the Metallicity Floor at $z\sim 10$: Lensed Star Clusters at Cosmic Dawn and Cosmic Noon
ICC, University of Barcelona(巴塞罗那大学天体物理学与气候研究所);ICREA(加泰罗尼亚高级研究院);Dipartimento di Fisica e Astronomia “Augusto Righi”–Università di Bologna(博洛尼大学物理与天文系);INAF - Osservatorio di Astrofisica e Scienza dello Spazio di Bologna(意大利国家天体物理研究所博洛尼亚空间天体物理与天文观测站)
MEGATRON: the impact of non-equilibrium effects and local radiation fields on the circumgalactic medium at cosmic noon
Sorbonne Université(索邦大学);University of Chicago(芝加哥大学);Kavli Institute for Cosmological Physics, University of Chicago(芝加哥大学卡弗里宇宙物理学研究所);University of Bath(巴斯大学);Lund University(隆德大学);Univ Lyon 1, ENS de Lyon(里昂第一大学,里昂高等师范学院);University of Oxford(牛津大学);University of Cambridge(剑桥大学)
MEGATRON: Reproducing the Diversity of High-Redshift Galaxy Spectra with Cosmological Radiation Hydrodynamics Simulations
University of Chicago(芝加哥大学);Kavli Institute for Cosmological Physics, University of Chicago(芝加哥大学卡弗里宇宙物理学研究所);University of Bath(巴斯大学);Sorbonne Université(索邦大学);Institut d’Astrophysique de Paris(巴黎天体物理研究所);CNRS(法国国家科学研究中心);Lund University(隆德大学);Universite Claude Bernard Lyon 1(里昂第一大学);CRAL UMR5574(天体物理与行星学研究中心);ENS de Lyon(里昂高等师范学校);University of Oxford(牛津大学);Kavli Institute for Cosmology, University of Cambridge(剑桥大学卡弗里宇宙学研究所);Cavendish Laboratory, University of Cambridge(剑桥大学卡文迪许实验室);Yonsei University(延世大学)
A New Window into the Baryon Cycle at Cosmic Noon with Line Intensity Mapping: Forecasts for auto- and cross-correlations in [CII]-158$μ$m, HI 21 cm, CO$_{J+1\rightarrow J}$, and H$α$ galaxies
University of Pennsylvania(宾夕法尼亚大学);University of California, Los Angeles(加州大学洛杉矶分校);California Institute of Technology(加州理工学院);Max-Planck-Institut für Astronomie(马克斯·普朗克天文学研究所);Jet Propulsion Laboratory, California Institute of Technology(加州理工学院喷气推进实验室);University of Illinois Urbana-Champaign(伊利诺伊大学厄巴纳-香槟分校);University of Virginia(弗吉尼亚大学)
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