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Related papers: SimSpin -- Constructing mock IFS kinematic data cu…

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In this work, we present a methodology and a corresponding code-base for constructing mock integral field spectrograph (IFS) observations of simulated galaxies in a consistent and reproducible way. Such methods are necessary to improve the…

The most direct way to confront observed galaxies with those formed in numerical simulations is to forward-model simulated galaxies into synthetic observations. Provided that synthetic galaxy observations include similar constraints and…

Astrophysics of Galaxies · Physics 2022-06-16 Connor Bottrell , Maan H. Hani

A primary goal of integral field spectroscopic (IFS) surveys is to provide a statistical census of galaxies classified by their internal kinematics. As a result, the observational spin parameter, $\lambda_R$, has become one of the most…

Astrophysics of Galaxies · Physics 2018-11-28 K. E. Harborne , C. Power , A. S. G. Robotham , L. Cortese , D. S. Taranu

This work considers the impact of resolution in the construction of mock observations of simulated galaxies. In particular, when building mock integral field spectroscopic observations from galaxy formation models in cosmological…

Astrophysics of Galaxies · Physics 2024-11-07 K. E. Harborne , C. del P. Lagos , S. M. Croom , J. van de Sande , A. Ludlow , R. S. Remus , L. C. Kimmig , C. Power

Hydrodynamic simulations are powerful tools for studying galaxy formation. However, it is crucial to test and improve the sub-grid physics underlying these simulations by comparing their predictions with observations. To this aim,…

Astrophysics of Galaxies · Physics 2025-07-30 A. Cornejo-Cárdenas , E. Sillero , P. B. Tissera , M. Boquien , J. Vilchez , G. Bruzual , P. Jofré

This is the first of a series of papers in which the kinematics of disk galaxies over a range of scales is scrutinised employing spectroscopy. A fundamental aspect of these studies is presented here: the new publicly available software tool…

Astrophysics · Physics 2009-11-13 Gyula I. G. Jozsa , Franz Kenn , Uli Klein , Tom A. Oosterloo

We present simulated observations of gas kinematics in galaxies formed in 10 pc resolution cosmological simulations with the hydrodynamical + N-body code RAMSES, using the new RAMSES2HSIM pipeline with the simulated observing pipeline…

Instrumentation and Methods for Astrophysics · Physics 2020-09-11 Mark L. A. Richardson , Laurence Routledge , Niranjan Thatte , Matthias. Tecza , Ryan C. W. Houghton , Miguel Pereira-Santaella , Dimitra Rigopoulou

This paper introduces a novel approach to solve inverse problems by leveraging deep learning techniques. The objective is to infer unknown parameters that govern a physical system based on observed data. We focus on scenarios where the…

Machine Learning · Computer Science 2023-10-02 Sidney Besnard , Frédéric Jurie , Jalal M. Fadili

Modeling spinal motion is fundamental to understanding human biomechanics, yet remains underexplored in computer vision due to the spine's complex multi-joint kinematics and the lack of large-scale 3D annotations. We present a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Muhammad Saif Ullah Khan , Didier Stricker

The scarcity of data acquired under actual space operational conditions poses a significant challenge for developing learning-based visual navigation algorithms crucial for autonomous spacecraft navigation. This data shortage is primarily…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Javier Montalvo , Juan Ignacio Bravo Pérez-Villar , Álvaro García-Martín , Pablo Carballeira , Jesús Bescós

We present GalSyn (Galaxy Synthesizer), a modular and flexible Python package for generating synthetic spectrophotometric observations from hydrodynamical galaxy simulations. GalSyn employs a particle-by-particle spectral modeling approach…

This is the first part of an Halpha kinematics follow-up survey of the SINGS sample. The data for 28 galaxies are presented. The observations were done on three different telescopes with FaNTOmM, an integral field photon counting…

Astrophysics · Physics 2009-11-11 O. Daigle , C. Carignan , P. Amram , O. Hernandez , L. Chemin , C. Balkowski , R. Kennicutt

With large-scale Integral Field Spectroscopy (IFS) surveys of thousands of galaxies currently under-way or planned, the astronomical community is in need of methods, techniques and tools that will allow the analysis of huge amounts of data.…

Instrumentation and Methods for Astrophysics · Physics 2015-12-22 Georgios Bekiaris , Karl Glazebrook , Christopher J. Fluke , Roberto Abraham

We present an open-source simulation framework for optically detected magnetic resonance, developed in Python. The framework allows users to construct, manipulate, and evolve multipartite quantum systems that consist of spins and electronic…

Quantum Physics · Physics 2025-01-13 Laura A. Völker , John M. Abendroth , Christian L. Degen , Konstantin Herb

Galaxy imaging surveys provide us with information on both the galaxy distribution and their shapes. In this paper, we systematically investigate the sensitivity of galaxy shapes to new physics in the initial conditions. For this purpose,…

Cosmology and Nongalactic Astrophysics · Physics 2021-03-22 Kazuhiro Kogai , Kazuyuki Akitsu , Fabian Schmidt , Yuko Urakawa

Observers experience a series of limitations when measuring galaxy kinematics, such as variable seeing conditions and aperture size. These effects can be reduced using empirical corrections, but these equations are usually applicable within…

Astrophysics of Galaxies · Physics 2020-07-08 K. E. Harborne , J. van de Sande , L. Cortese , C. Power , A. S. G. Robotham , C. D. P. Lagos , S. Croom

We present a newly developed code that allows simulations of optical observations of galaxy fields with a variety of instruments. The code incorporates gravitational lensing effects and is targetted at simulating lensing by galaxy clusters.…

We present a method to simulate deep sky images, including realistic galaxy morphologies and telescope characteristics. To achieve a wide diversity of simulated galaxy morphologies, we first use the shapelets formalism to parametrize the…

The intrinsic alignment of galaxy shapes (by means of their angular momentum) and their cross-correlation with the surrounding dark matter tidal field are investigated using the 160 000, z=1.2 synthetic galaxies extracted from the…

Integral field spectroscopy (IFS) is a powerful tool for understanding the formation of galaxies across cosmic history. We present the observing strategy and first results of MSA-3D, a novel JWST program using multi-object spectroscopy in a…

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