Start with IceCube’s official Data Releases index, then choose a release that matches your question. The files are tied to particular published analyses or event samples, not one universal archive of raw detector data. For broad track-like source searches, consider IceTracks-DR2; to follow a more contained example, use the Galactic Plane release and its README and notebooks.
Where do I access public IceCube data?
IceCube publishes its releases through the official Data Releases index. The index groups datasets by topic and date and links to release descriptions and files. IceCube says data are released after the main analysis is complete and its results have been published; preparing usable data also involves reconstruction, background rejection, and accounting for systematic effects.
Open the page for a specific release rather than assuming the index points to a single format or common download. Each release describes a particular sample or analysis, and its page may link to files hosted elsewhere. Check the release description, linked repository record, and associated paper for coverage, file-level details, and reuse terms.
Which IceCube data release should I use?
| Your goal | A starting point | What it offers |
|---|---|---|
| Explore a broad track-like sample for neutrino source searches | IceTracks-DR2 | Data from 2008–2022. IceCube describes it as extending the previous 10-year sample by four years, with updated detector calibration and event processing. Its release page links to data files through Harvard Dataverse and to the associated paper. |
| Reproduce a specific analysis or its figures | Galactic Plane public release | A ZIP containing a README, CSV files, and short notebooks arranged around particular results and figures. |
| Study another topic, sample, or observation era | Official release index | Compare the release title, publication date, sample description, and linked files. The index includes releases covering subjects such as oscillations, the Sun, high-energy events, and alerts. |
IceTracks-DR2 is specifically described as track-like source-search data; it should not be treated as a general-purpose raw-data archive. The Galactic Plane materials are designed to support a particular published analysis. Choose by scientific question and sample, then use that release’s documentation to understand what the data can support.
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How do I explore the files and notebooks?
- Choose a release. Start at the Data Releases index and open the release that fits your question.
- Check its scope and provenance. On the release page, note the observation years, event type, associated paper, and dataset citation. Follow the page’s data link; for IceTracks-DR2, the files are linked through Harvard Dataverse.
- Read the README before loading files. In the Galactic Plane ZIP, IceCube says the README explains the contents and file formats. Use it to identify which files and fields relate to the result you want to inspect.
- Run the relevant example notebook. The Galactic Plane folders contain short iPython notebooks matched to specific results and figures. Begin with the notebook for your target figure rather than treating all files as one interchangeable table.
- Trace any conclusion back to the analysis. Consult the associated paper for event selection, detector response, and interpretation. Keep claims within the sample’s scope when adapting a notebook or plotting the data.
What does the Galactic Plane release contain?
The Galactic Plane release is an accessible way to see how analysis-level public data may be packaged. Its materials include CSV files and notebooks for specific figures or results, with information such as per-event identifiers and likelihood contributions, event energy, background test-statistic distributions, effective-area histograms, sky maps, and reconstruction-performance information.
These are not simply a list of neutrino detections. Response and background information matter when interpreting events or attempting to reproduce a result: a plotted event or likelihood contribution has meaning within the analysis and its assumptions. Use the matching notebook and paper to understand the role of each file and quantity.
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What is new in IceTracks-DR2?
IceCube’s second track data release, IceTracks-DR2, covers observations from 2008–2022. IceCube describes it as adding four years to the previous 10-year sample and incorporating improvements to detector calibration and event processing. The release page, posted May 21, 2026, links the data through Harvard Dataverse and points to the associated paper for scientific and file-level detail.
In a May 26, 2026 news item, IceCube also said it improved the instrument response function matrix after community feedback on the 2021 release. That item reported that the previous version had been downloaded over 30,000 times during the preceding three years; that figure is not a download count for IceTracks-DR2.
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How should I cite or reuse a release?
Use the citation and reuse information on the specific dataset page, and cite the associated paper when your work relies on its scientific results or methods. The Galactic Plane page provides a suggested dataset citation and DOI. Do not assume another release has the same terms: check its own page, repository record, and paper. The IceTracks-DR2 page links to Harvard Dataverse, but its reviewed page text does not state a license.
There is no single software environment or dependency list established for every IceCube release. Follow the selected release’s README or repository instructions for software requirements and versions; consult the paper for calibration, event-selection, and analysis details. For release questions, the IceTracks-DR2 page lists analysis@icecube.wisc.edu, while the Galactic Plane page lists data@icecube.wisc.edu.
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