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arXiv 2103.05320astro-ph.COastro-ph.GAastro-ph.IM
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结合来自多个宇宙学调查的信息:推理和建模挑战

Combining information from multiple cosmological surveys: inference and modeling challenges

David Alonso, Erminia Calabrese, Tim Eifler, Giulio Fabbian, Simone Ferraro, Eric Gawiser, J. Colin Hill, Elisabeth Krause, Mathew Madhavacheril, Anže Slosar, David N. Spergel

摘要:

下一个十年中最严密和最强大的宇宙学结果将通过汇集对宇宙的多次调查来实现。这种努力必须在数据处理和分析的多个层面上进行,例如,结合Euclid、Rubin和Roman(以及其他调查)预计不仅在联合处理和目录组合层面,而且在分析的后目录部分(例如宇宙学推理过程)也会得到增强。虽然每个实验都建立了自己的分析和推理框架,并创建了自己的一组模拟,但交叉调查工作使这些工作均匀化,交换来自数值模拟的信息,并协调相应数据集的天体物理和观测系统学建模的细节是至关重要的。

英文摘要:

The tightest and most robust cosmological results of the next decade will be achieved by bringing together multiple surveys of the Universe. This endeavor has to happen across multiple layers of the data processing and analysis, e.g., enhancements are expected from combining Euclid, Rubin, and Roman (as well as other surveys) not only at the level of joint processing and catalog combination, but also during the post-catalog parts of the analysis such as the cosmological inference process. While every experiment builds their own analysis and inference framework and creates their own set of simulations, cross-survey work that homogenizes these efforts, exchanges information from numerical simulations, and coordinates details in the modeling of astrophysical and observational systematics of the corresponding datasets is crucial.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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