All the results and data from the first two IllustrisTNG simulation volumes -- TNG100 and TNG300 -- are publicly available here, as described in Nelson+ (2019a). Getting started tutorials, complete reference documentation, and a number of online tools for exploration and analysis are available.

The underlying data formats (and helper scripts) for TNG data are essentially identical to those we have developed for the original Illustris simulation. All TNG data can be accessed with the same methods (i.e. direct-download and/or web-based API). Your existing user account gives access to both Illustris and TNG.

Stay tuned for future simulation data releases! If you are particularly interested in the high-resolution TNG50 volume, please get in touch with us directly.

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Getting Started

There are three fundamental ways you can work with TNG data:

  • (i) you can download the raw data files and example scripts in order to work completely on your local system. Start the Example Scripts tutorial.
  • (ii) you can use the online API to retrieve specific galaxies/halos of interest without needing to download any full datafiles. Start the API tutorial.
  • (iii) you can launch a web-based JupyterLab (or Jupyter notebook) session and explore the data, develop your analysis, run data-intensive and compute-intensive tasks, and make final plots for publication (beta!). Start now.

Web-based Exploration and Analysis

Don't want to download any data to your local machine right now?

  • JupyterLab Workspace - launch the web-based analysis tool.
  • Group Catalog Search - query the subhalo catalog in the online database.
  • Plot Group Catalog - visualize the relationships or scaling relations of two or more properties of the galaxies or halos, of one or more simulations.
  • Visualize Galaxies and Halos - render images based on many properties of the dark matter, gas, or stars in and around galaxies or galactic halos.
  • Browsable API - explore the online API structure in your web browser.

Documentation

  • Background and Important Details - overview of the simulations and physical models, references, caveats, and citation guidelines.
  • Data Specifications - description of all fields in the snapshots, group catalogs, merger trees, and supplementary data sets.
  • Example Scripts - getting-started guide and 'helper scripts' reference for working with local, raw data files (Python, IDL, Matlab).
  • Web-based API - getting-started guide, cookbook of examples, and reference for the web-based query interface.

Community and Support

  • Discussion Forum - ask questions and get help, browse past discussions; includes a changelog of additions/updates.
  • Frequently Asked Questions - do check the FAQ first!
  • Bitbucket Repository - home of the 'helper scripts' for working directly with local data files; get involved directly by making a pull request/issue.
  • Contact Us with inquiries about the TNG project in general, to get involved, and to send ideas, suggestions, and comments in general.

Download Simulation Data

Select a simulation to browse the available data files and get direct download links:

Simulation Name $L_{\rm box} [Mpc]$ $N_{\rm DM}$ $m_{\rm DM}$ $[M_\odot]$ $m_{\rm gas}$ $[M_\odot]$ $N_{\rm snap}$ $N_{\rm Subfind} (z=0)$ Snaps FoF Subfind SubLink LHaloTree
TNG100-1 $110.7$ $1820^3$ $7.5 \times 10^{6}$ $1.4 \times 10^{6}$ $100$ $4371211$
TNG100-1-Dark $110.7$ $1820^3$ $8.9 \times 10^{6}$ $0$ $100$ $5012155$
TNG100-2 $110.7$ $910^3$ $6.0 \times 10^{7}$ $1.1 \times 10^{7}$ $100$ $698336$
TNG100-2-Dark $110.7$ $910^3$ $7.1 \times 10^{7}$ $0$ $100$ $757923$
TNG100-3 $110.7$ $455^3$ $4.8 \times 10^{8}$ $8.9 \times 10^{7}$ $100$ $118820$
TNG100-3-Dark $110.7$ $455^3$ $5.7 \times 10^{8}$ $0$ $100$ $116020$
TNG300-1 $302.6$ $2500^3$ $5.9 \times 10^{7}$ $1.1 \times 10^{7}$ $100$ $14485709$
TNG300-1-Dark $302.6$ $2500^3$ $7.0 \times 10^{7}$ $0$ $100$ $15724587$
TNG300-2 $302.6$ $1250^3$ $4.7 \times 10^{8}$ $8.8 \times 10^{7}$ $100$ $2471022$
TNG300-2-Dark $302.6$ $1250^3$ $5.6 \times 10^{8}$ $0$ $100$ $2411570$
TNG300-3 $302.6$ $625^3$ $3.8 \times 10^{9}$ $7.0 \times 10^{8}$ $100$ $391144$
TNG300-3-Dark $302.6$ $625^3$ $4.5 \times 10^{9}$ $0$ $100$ $372177$
Illustris-1 $106.5$ $1820^3$ $6.3 \times 10^{6}$ $1.3 \times 10^{6}$ $134$ $4366546$
Illustris-1-Dark $106.5$ $1820^3$ $7.5 \times 10^{6}$ $0$ $136$ $4872374$
Illustris-2 $106.5$ $910^3$ $5.0 \times 10^{7}$ $1.0 \times 10^{7}$ $136$ $689785$
Illustris-2-Dark $106.5$ $910^3$ $6.0 \times 10^{7}$ $0$ $136$ $735751$
Illustris-3 $106.5$ $455^3$ $4.0 \times 10^{8}$ $8.1 \times 10^{7}$ $136$ $121209$
Illustris-3-Dark $106.5$ $455^3$ $4.8 \times 10^{8}$ $0$ $136$ $111992$

Currently showing 18 runs with 2014 total snapshots and 651.1 TB total data volume,
including 5,911,438,785 FoF groups, 5,772,665,381 Subfind groups, and 10,123,660,679,028 particles.

Simulation Name Parent Sim $L_{\rm box} [Mpc]$ $N_{\rm DM} (z=0)$ $m_{\rm DM}$ $[M_\odot]$ $N_{\rm snap}$ Snaps FoF Subfind
Subboxes: Didn't find anything available for you (try logging in).

Subboxes: currently showing 0 runs with 0 total snapshots and 0 bytes total data volume,
including 0 FoF groups, 0 Subfind groups, and 0 particles.