Confederation of open source projects in Astronomy

OpenAstronomy is a collaboration between open source astronomy and astrophysics projects. It currently includes the following projects: Astropy, SunPy, yt, ChiantiPy and Julia Astro.

The range of topics covered by these projects is wide: Astropy is a general library for astronomy, providing common tools such as celestial coordinates, image processing, tabular data reading and writing, units and support for astronomy-specific file formats. SunPy provides utilities for obtaining and representing solar physics data, with clients for some of the largest online solar physics data archives and solar specific analysis and visualisation code. The yt project is a Python package for analyzing and visualizing volumetric, multi-resolution data. ChiantiPy is a Python interface to the CHIANTI atomic database, which allows users to characterise the properties (temperature, density, velocity) of observed stars from spectra. JuliaAstro is an organization that coordinates the development of common astronomy packages for Julia (These libraries are similar in scope to Astropy and often share underlying C implementations.).

As a single organisation, we aim to strengthen collaborations between the different sub-organisations, and at the same time increase the awareness among our users of the capabilities of our "sister" projects.

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Technologies

  • python
  • julia
  • c
  • numpy

Topics

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OpenAstronomy 2016 Projects

  • nocturnalastro
    Astropy: Bridge sherpa and astropy fitting
    Both astropy and Sherpa (https://github.com/sherpa/sherpa/) provide modeling and fitting capabilities; however, Sherpa’s features are way more...
  • Olga Vorokh
    Image processing and source detection in Gammapy
    Gammapy is a Python package for professional gamma-ray astronomers to analyse data from space-based gamma-ray telescopes (like Fermi-LAT) as well as...
  • Zé Vinícius
    Implement PSF photometry for fitting several overlapping objects at once
    Aperture photometry assumes that the background varies in a linear fashion in the aperture’s vicinity. However, in a dense star cluster the...
  • TDWilkinson
    Implementing AIA response function in Sunpy
    Solar physics uses the CHIANTI atomic physics database to obtain properties about various elements and ionisation states. By using observed elemental...
  • Punyaslok Pattnaik
    Improvements to the SunPy Database
    The SunPy database module enables users to manage files on a disk, or a network hosted database. Users can find files by using physical parameters...
  • Sudarshan Konge
    Real Time Data Access and Visualisation tools.
    Developing viz tools for SunPy.
  • Kvyh
    Scheduling capabilities for Astroplan
    The project aims to build upon the Astropy-affiliated package Astroplan to provide scheduling functionality for individual observations and...
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2016