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Related papers: The CAMELS Multifield Dataset: Learning the Univer…

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Multi-band images of galaxies reveal a huge amount of information about their morphology and structure. However, inferring properties of the underlying stellar populations such as age, metallicity or kinematics from those images is…

Astrophysics of Galaxies · Physics 2021-11-03 Tobias Buck , Steffen Wolf

Cosmological simulations like CAMELS and IllustrisTNG characterize hundreds of thousands of galaxies using various internal properties. Previous studies have demonstrated that machine learning can be used to infer the cosmological parameter…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-09 Amanda Lue , Shy Genel , Marc Huertas-Company , Francisco Villaescusa-Navarro , Matthew Ho

The power spectrum of density fluctuations is a foundational source of cosmological information. Precision cosmological probes targeted primarily at investigations of dark energy require accurate theoretical determinations of the power…

Cosmology and Nongalactic Astrophysics · Physics 2010-08-26 Katrin Heitmann , David Higdon , Martin White , Salman Habib , Brian J. Williams , Christian Wagner

The development of Machine Learning (ML) methods for Computational Fluid Dynamics (CFD) is currently limited by the lack of openly available training data. This paper presents a new open-source dataset comprising of high fidelity,…

Fluid Dynamics · Physics 2024-07-31 Neil Ashton , Danielle C. Maddix , Samuel Gundry , Parisa M. Shabestari

We present a multi-wavelength photometric catalog in the COSMOS field as part of the observations by the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS). The catalog is based on Hubble Space Telescope Wide Field…

We present CosmoGridV1: a large set of lightcone simulations for map-level cosmological inference with probes of large scale structure. It is designed for cosmological parameter measurement based on Stage-III photometric surveys with…

Cosmology and Nongalactic Astrophysics · Physics 2023-03-08 Tomasz Kacprzak , Janis Fluri , Aurel Schneider , Alexandre Refregier , Joachim Stadel

In this paper we describe the set of ``New Worlds Simulations'', three very large cosmology simulations, Qo'noS, Vulcan, and Ferenginar, that were carried out on the Summit supercomputer with the Hardware/Hybrid Cosmology Code, HACC. The…

Cosmology and Nongalactic Astrophysics · Physics 2024-06-12 Katrin Heitmann , Thomas Uram , Nicholas Frontiere , Salman Habib , Adrian Pope , Silvio Rizzi , Joe Insley

We introduce the Unicamp-NAMSS dataset, a large, diverse, and geographically distributed collection of migrated 2D seismic sections designed to support modern machine learning research in geophysics. We constructed the dataset from the…

Widefield surveys of the sky probe many clustered scalar fields -- such as galaxy counts, lensing potential, gas pressure, etc. -- that are sensitive to different cosmological and astrophysical processes. Our ability to constrain such…

Developing and validating artificial intelligence models in medical imaging requires datasets that are large, granular, and diverse. To date, the majority of publicly available breast imaging datasets lack in one or more of these areas.…

Euclid will observe 15 000 deg$^2$ of the darkest sky, in regions free of contamination by light from our Galaxy and our Solar System. Three "Euclid Deep Fields" surveys covering around 40 deg$^2$ in total will extend the scientific scope…

Cosmology and Nongalactic Astrophysics · Physics 2022-11-17 Isaac Tutusaus , Jenny G. Sorce , Antonino Troja

Recent works have discovered a relatively tight correlation between $\Omega_{\rm m}$ and properties of individual simulated galaxies. Because of this, it has been shown that constraints on $\Omega_{\rm m}$ can be placed using the properties…

Cosmology and Nongalactic Astrophysics · Physics 2023-09-22 Chaitanya Chawak , Francisco Villaescusa-Navarro , Nicolas Echeverri Rojas , Yueying Ni , ChangHoon Hahn , Daniel Angles-Alcazar

Six challenges for the standard cosmological model $\Lambda$CDM are listed, which arise when comparing theoretical predictions with observational data on scales of ~1 Mpc. Different parameters of luminous and dwarf galaxies in the local…

General Relativity and Quantum Cosmology · Physics 2026-05-29 I. D. Karachentsev

Studying the structures (halos and galaxies) within the cosmic environments (void, sheet, filament, and node) where they reside is an ongoing attempt in cosmological studies. The link between the properties of structures and the cosmic…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-03 Mohadese Khoshtinat , Hossein Hatamnia , Shant Baghram

Numerical simulations play a key important role in modern cosmology. Examples are plenty including the cosmic web - large scale structure of the distribution of galaxies in space - which was first observed in N-body simulations and later…

Cosmology and Nongalactic Astrophysics · Physics 2017-11-07 Anatoly Klypin , Francisco Prada , Johan Comparat

The rapid advancement of deep learning has intensified the need for comprehensive data for use by autonomous driving algorithms. High-quality datasets are crucial for the development of effective data-driven autonomous driving solutions.…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Lianqing Zheng , Long Yang , Qunshu Lin , Wenjin Ai , Minghao Liu , Shouyi Lu , Jianan Liu , Hongze Ren , Jingyue Mo , Xiaokai Bai , Jie Bai , Zhixiong Ma , Xichan Zhu

Reproducing color-magnitude diagrams (CMDs) of star-resolved galaxies is one of the most precise methods for measuring the star formation history (SFH) of nearby galaxies back to the earliest time. The upcoming big data era poses challenges…

Astrophysics of Galaxies · Physics 2024-10-17 Yujiao Yang , Chao Liu , Ming Yang , Yun Zheng , Hao Tian

Recent advancements in vision foundation models (VFMs) have revolutionized visual perception in 2D, yet their potential for 3D scene understanding, particularly in autonomous driving applications, remains underexplored. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Lingdong Kong , Xiang Xu , Youquan Liu , Jun Cen , Runnan Chen , Wenwei Zhang , Liang Pan , Kai Chen , Ziwei Liu

This work presents an approach (fitCMD) designed to obtain a comprehensive set of astrophysical parameters from colour-magnitude diagrams (CMDs) of star clusters. Based on initial mass function (IMF) properties taken from isochrones, fitCMD…

Instrumentation and Methods for Astrophysics · Physics 2018-12-12 Charles Bonatto

Modern astronomical surveys are producing datasets of unprecedented size and richness, increasing the potential for high-impact scientific discovery. This possibility, coupled with the challenge of exploring a large number of sources, has…

Instrumentation and Methods for Astrophysics · Physics 2024-04-01 Verlon Etsebeth , Michelle Lochner , Mike Walmsley , Margherita Grespan
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