English
Related papers

Related papers: COCOA Code for Creating Mock Observations of Star …

200 papers

The progenitors of present-day galaxy clusters give important clues about the evolution of the large scale structure, cosmic mass assembly, and galaxy evolution. Simulations are a major tool for these studies since they are used to…

Astrophysics of Galaxies · Physics 2021-04-26 Pablo Araya-Araya , Marcelo C. Vicentin , Laerte Sodré , Roderik A. Overzier , Hector Cuevas

We study the dynamical evolution of globular clusters containing primordial binaries, including full single and binary stellar evolution using our Monte Carlo cluster evolution code updated with an adaptation of the single and binary…

Astrophysics of Galaxies · Physics 2014-11-20 Sourav Chatterjee , John M. Fregeau , Stefan Umbreit , Frederic A. Rasio

Supernova-driven galactic winds are multiphase streams of gas that are often observed flowing at a range of velocities out of star-forming regions in galaxies. In this study, we use high resolution 3D simulations of multiphase galactic…

Astrophysics of Galaxies · Physics 2020-12-07 Lita M. de la Cruz , Evan E. Schneider , Eve C. Ostriker

Future galaxy surveys require realistic mock catalogues to understand and quantify systematics in order to make precise cosmological measurements. We present a halo lightcone catalogue and halo occupation distribution (HOD) galaxy catalogue…

Cosmology and Nongalactic Astrophysics · Physics 2017-08-02 Alex Smith , Shaun Cole , Carlton Baugh , Zheng Zheng , Raul Angulo , Peder Norberg , Idit Zehavi

We present a new semi-analytical model of galaxy formation, GECO (Galaxy Evolution COde), aimed at a better understanding of when and how the two processes of star formation and galaxy assembly have taken place. Our model is structured into…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 E. Ricciardelli , A. Franceschini

As part of the AGORA High-resolution Galaxy Simulations Comparison Project (Kim et al. 2014, 2016) we have generated a suite of isolated Milky Way-mass galaxy simulations using 9 state-of-the-art gravito-hydrodynamics codes widely used in…

Ultracold neutrons (UCN) with kinetic energies up to 300 neV can be stored in material or magnetic confinements for hundreds of seconds. This makes them a very useful tool for probing fundamental symmetries of nature, by searching for…

Instrumentation and Detectors · Physics 2018-12-26 N. J. Ayres , E. Chanel , B. Clement , P. G. Harris , R. Picker , G. Pignol , W. Schreyer , G. Zsigmond

This is the third paper in a series which combines N-body simulations and semi-analytic modelling to provide a fully spatially resolved simulation of the galaxy formation and clustering processes. Here we extract mock redshift surveys from…

Monte Carlo methods are widely used to estimate observables in many-body quantum systems. However, conventional sampling schemes often require a large number of samples to achieve sufficient accuracy. In this work we propose the…

Quantum Physics · Physics 2026-01-29 Wenxuan Zhang , Dingzu Wang , Dario Poletti

Context. While synthesis of organic molecules in molecular clouds or protoplanetary disks is complex, observations of interstellar grains, analyses of carbonaceous chondrites, and UV photochemistry experiments are rapidly developing and…

Earth and Planetary Astrophysics · Physics 2022-06-22 Hitoshi Takehara , Daigo Shoji , Shigeru Ida

We present MASSCLEAN, a new, sophisticated and robust stellar cluster image and photometry simulation package. This visualization tool is able to create color-magnitude diagrams and standard FITS images in any of the traditional optical and…

Astrophysics · Physics 2015-05-13 Bogdan Popescu , M. M. Hanson

We present a method which extends Monte Carlo studies to situations that require a large dynamic range in particle number. The underlying idea is that, in order to calculate the collisional evolution of a system, some particle interactions…

Astrophysics · Physics 2009-11-13 C. W. Ormel , M. Spaans

Context. Mock galaxy catalogues are essential for correctly interpreting current and future generations of galaxy surveys. Despite their significance in galaxy formation and cosmology, little to no work has been done to validate the…

Astrophysics of Galaxies · Physics 2024-10-23 Sergio Contreras , Raul E. Angulo , Jonás Chaves-Montero , Roi Kugel , Matthieu Schaller , Joop Schaye

State-of-the-art cosmological hydrodynamical simulations of galaxy formation have reached the point at which their outcomes result in galaxies with ever more realism. Still, the employed sub-grid models include several free parameters such…

Astrophysics of Galaxies · Physics 2019-04-17 Tobias Buck , Aaron A. Dutton , Andrea V. Macciò

X-ray observations of galaxy clusters potentially provide powerful cosmological probes if systematics due to our incomplete knowledge of the intracluster medium (ICM) physics are understood and controlled. In this paper, we study the…

Astrophysics · Physics 2015-06-24 Daisuke Nagai , Andrey V. Kravtsov , Alexey Vikhlinin

The new approach outlined in Paper I (Spurzem \& Giersz 1996) to follow the individual formation and evolution of binaries in an evolving, equal point-mass star cluster is extended for the self-consistent treatment of relaxation and close…

Astrophysics · Physics 2009-10-31 M. Giersz , R. Spurzem

We create mock X-ray observations of hot gas in galaxy clusters with a new extension of L-Galaxies semi-analytic model of galaxy formation, which includes the radial distribution of hot gas in each halo. Based on the model outputs, we first…

Astrophysics of Galaxies · Physics 2023-05-01 Wenxin Zhong , Jian Fu , Shiyin Shen , Feng Yuan

We present cosmo_learn, an open-source python-based software package designed to simulate cosmological data and perform data-driven inference using a range of modern statistical and machine learning techniques. Motivated by the growing…

Cosmology and Nongalactic Astrophysics · Physics 2025-08-29 Reginald Christian Bernardo , Daniela Grandón , Jackson Levi Said , Víctor H. Cárdenas , Gene Carlo Belinario , Reinabelle Reyes

We present a new cluster detection algorithm designed for the Panoramic Survey Telescope and Rapid Response System (Pan-STARRS) survey but with generic application to any multiband data. The method makes no prior assumptions about the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 D. N. A. Murphy , J. E Geach , R. G. Bower

The abundance of clusters and the clustering of galaxies are two of the important cosmological probes for current and future large scale surveys of galaxies, such as the Dark Energy Survey. In order to combine them one has to account for…

Cosmology and Nongalactic Astrophysics · Physics 2016-08-17 Fabien Lacasa , Rogerio Rosenfeld