Amara, A;
de la Bella, L;
Birrer, S;
Bridle, S;
Cordero, J;
Favole, G;
Harrison, I;
... Wolz, L; + view all
(2021)
SkyPy: A package for modelling the Universe.
Journal of Open Source Software
, 6
(65)
p. 3056.
10.21105/joss.03056.
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Abstract
SkyPy is an open-source Python package for simulating the astrophysical sky. It comprises a library of physical and empirical models across a range of observables and a command line script to run end-to-end simulations. The library provides functions that sample realisations of sources and their associated properties from probability distributions. Simulation pipelines are constructed from these models using a YAML-based configuration syntax, while task scheduling and data dependencies are handled internally and the modular design allows users to interface with external software. SkyPy is developed and maintained by a diverse community of domain experts with a focus on software sustainability and interoperability. By fostering co-development, it provides a framework for correlated simulations of a range of cosmological probes including galaxy populations, large scale structure, the cosmic microwave background, supernovae and gravitational waves. Version 0.4 implements functions that model various properties of galaxies including luminosity functions, redshift distributions and optical photometry from spectral energy distribution templates. Future releases will provide additional modules, for example to simulate populations of dark matter halos and model the galaxy-halo connection, making use of existing software packages from the astrophysics community where appropriate.
| Type: | Article |
|---|---|
| Title: | SkyPy: A package for modelling the Universe |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.21105/joss.03056 |
| Publisher version: | https://doi.org/10.21105/joss.03056 |
| Language: | English |
| Additional information: | © 2022 Authors of JOSS papers retain copyright. This work is licensed under a Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/). |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10141699 |
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