Astropy
Python language software

Astropy is a collection of software packages written in the Python programming language and designed for use in astronomy. The software is a single, free, core package for astronomical utilities due to the increasingly widespread usage of Python by astronomers, and to foster interoperability between various extant Python astronomy packages. Astropy is included in several large Python distributions; it is listed in package managers for Linux and macOS, the Anaconda Python Distribution, Enthought Canopy and Ureka.
Development
Around the turn of the 21st century, the Space Telescope Science Institute (STScI) started developing Python-based utilities to extend or substitute existing astronomical data analysis tools on a modern, object-oriented platform. Among the first projects were a replacement of the command language for the Image Reduction and Analysis Facility (IRAF) with a Python frontend, and the PyFITS interface to the Flexible Image Transport System. Since the existing Numeric module for handling vectors and arrays in Python turned out to be inadequate for large astronomical datasets, a new library better tuned for large array sizes was subsequently developed at STScI. Both libraries were merged into a new array package by Travis Oliphant in 2005–2006, creating NumPy, as of 2013 the de facto standard for numerical data handling in Python. In the following years the existing software packages maintained by STScI as part of their stsci_python suite were ported to NumPy as well. This, together with the more extensive SciPy computing environment, provided a platform to develop customized scripts and applications for a variety of astronomical tasks.
By 2011, the use of Python in astronomy had reached significant levels. At the 2012 Astronomy meeting, 42% of attendees preferred Python according to an informal survey.
This brief starts where responsible research should: with the source description of “Astropy” as python language software. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the science & nature register because the source frames it as python language software. Its deeper value depends on whether names, dates, institutions and citations support that framing.
The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Sep 2, 2026. The linked authority identifier is Q16971196. None of the 3 selected statements returned an explicit reference. The first chronological checks are 2005, 2006, 2013 and 2011.
A general summary may omit uncertainty, sample limits or methodological disagreement that is explicit in the technical record. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Check terminology, classification and the date of the cited evidence. Scientific names and technical consensus can change while older records retain historical value.
- Current terminology
- Classification context
- Finding cited technical literature
Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.
Three-step research path
- Establish the record: confirm the title “Astropy”, its source revision and the description used here.
- Expand the search: follow Astropy primary sources, Astropy archive and Astropy research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Astropy”?
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Search terms from this dossier
This entry incorporates text from “Astropy” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.