English
Related papers

Related papers: GalSim: The modular galaxy image simulation toolki…

200 papers

In the era of "big data" and with the advent of web 2.0 technologies, ESASky (http://sky.esa.int) aims at providing a modern and visual way to access astronomical science-ready data products and metadata. The main goal of the application is…

We present the GalMer database, a library of galaxy merger simulations, made available to users through tools compatible with the Virtual Observatory (VO) standards adapted specially for this theoretical database. To investigate the physics…

Instrumentation and Methods for Astrophysics · Physics 2015-05-18 Igor Chilingarian , Paola Di Matteo , Francoise Combes , Anne-Laure Melchior , Benoit Semelin

Visualizing and navigating through large astronomy images from a remote location with current astronomy display tools can be a frustrating experience in terms of speed and ergonomics, especially on mobile devices. In this paper, we present…

Instrumentation and Methods for Astrophysics · Physics 2015-02-06 Emmanuel Bertin , Ruven Pillay , Chiara Marmo

FITS (Flexible Image Transport System) is a common format for astronomical data storage. It was first standardised in the early 1980s. Even though astronomical data is now processed mostly using software, visual data inspection by a human…

Instrumentation and Methods for Astrophysics · Physics 2019-02-19 Matwey Kornilov , Konstantin Malanchev

We present a comprehensive methodology for the simulation of astronomical images from optical survey telescopes. We use a photon Monte Carlo approach to construct images by sampling photons from models of astronomical source populations,…

We present ClumPyLen, a Python-based simulator designed to produce realistic mock observations of strongly lensed, high-redshift, clumpy star-forming galaxies. The tool models galaxy components such as disks, bulges, and spiral arms using…

We present the first stable release of Halotools (v0.2), a community-driven Python package designed to build and test models of the galaxy-halo connection. Halotools provides a modular platform for creating mock universes of galaxies…

We introduce a new galaxy image decomposition tool, GALPHAT (GALaxy PHotometric ATtributes), to provide full posterior probability distributions and reliable confidence intervals for all model parameters. GALPHAT is designed to yield a high…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 Ilsang Yoon , Martin Weinberg , Neal Katz

A prototype of a low cost Adaptive Optics (AO) system has been developed at the Instituto de Astrofisica de Andalucia (CSIC) and tested at the 2.2m telescope of the Calar Alto observatory. We present here the status of the project, which…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 J. Aceituno , S. F. Sanchez , J. L. Ortiz , F. J. Aceituno

This posting announces public availability of version 1.2 of the DiskFit software package developed by the authors, which may be used to fit simple non-axisymmetric models either to images or to velocity fields of disk galaxies. Here we…

Astrophysics of Galaxies · Physics 2015-09-25 J. A. Sellwood , Kristine Spekkens

We present NVSim, a framework that automatically constructs large-scale, navigable indoor simulators from only common image sequences, overcoming the cost and scalability limitations of traditional 3D scanning. Our approach adapts 3D…

Robotics · Computer Science 2025-10-29 Mingyu Jeong , Eunsung Kim , Sehun Park , Andrew Jaeyong Choi

Large sky surveys are providing a huge amount of information for studies of the interstellar medium, the galactic structure or the cosmic web. Setting into a common frame information coming from different wavelengths, over large fields of…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 Marcelo Armengot , Nestor Sanchez , Javier Lopez-Santiago , Ana Ines Gomez de Castro

In this paper we introduce a software package, the Very Long Baseline Interferometry Network SIMulator (VNSIM), which provides an integrated platform assisting radio astronomers to design the Very Long Baseline Interferometry (VLBI)…

Instrumentation and Methods for Astrophysics · Physics 2019-11-11 Zhen Zhao , Tao An , Baoqiang Lao

The implementation of fractional differential calculations can give new possibilities for image processing tools, in particular for those that are devoted to astronomical images analysis. As discussed in arxiv:0910.2381, the fractional…

Instrumentation and Methods for Astrophysics · Physics 2009-11-04 Roberto Marazzato , Amelia Carolina Sparavigna

The GRavitational lEnsing Accuracy Testing 3 (GREAT3) challenge is the third in a series of image analysis challenges, with a goal of testing and facilitating the development of methods for analyzing astronomical images that will be used to…

ALMA is revolutionizing the way we study and understand the astrophysics of galaxies, both as a whole and individually. By exploiting its unique sensitivity and resolution to make spatially and spectrally resolved images of the gas and dust…

Astrophysics of Galaxies · Physics 2015-03-12 Andrew W. Blain

Microlensing is a unique tool, capable of detecting the 'cold' planets between 1-10 AU from their host stars, and even unbound 'free-floating' planets. This regime has been poorly sampled to date owing to the limitations of alternative…

Earth and Planetary Astrophysics · Physics 2017-09-29 E. Bachelet , M. Norbury , V. Bozza , R. Street

We introduce GalaxyGenius, a Python package designed to produce synthetic galaxy images tailored to different telescopes based on hydrodynamical simulations. Its implementation will support and advance research on galaxies in the era of…

Instrumentation and Methods for Astrophysics · Physics 2025-08-13 Xingchen Zhou , Hang Yang , Nan Li , Qi Xiong , Furen Deng , Xian-Min Meng , Renhao Ye , Shiyin Shen , Peng Wei , Qifan Cui , Zizhao He , Ayodeji Ibitoye , Chengliang Wei , Yuedong Fang

The Advanced Gamma-ray Imaging System (AGIS) is a next-generation ground-based gamma-ray observatory being planned in the U.S. The anticipated sensitivity of AGIS is about one order of magnitude better than the sensitivity of current…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 G. Maier

We introduce CPISM, a simulation program developed for the Cool Planet Imaging Coronagraph (CPI-C) on the China Space Station Telescope (CSST). CPISM supports high-contrast exoplanet imaging by simulating observational conditions and…

Instrumentation and Methods for Astrophysics · Physics 2026-03-17 Yi-Ming Zhu , Gang Zhao , Jiang-Pei Dou , Zhong-Hua Lv , Yi-Li Chen , Bo Ma , Zhao-Jun Yan , Jing Tang , Ran Li
‹ Prev 1 4 5 6 7 8 10 Next ›