Welcome to SPENVIS

SPENVIS is ESA's SPace ENVironment Information System, a WWW interface to models of the space environment and its effects; including cosmic rays, natural radiation belts, solar energetic particles, plasmas, gases, and "micro-particles".

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Use of SPENVIS on this site is free of charge, but a user registration is required.

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Current version
The current version of SPENVIS (4.6.8) was released on September 2, 2016. 

System requirements
SPENVIS requires a browser with JavaScript support (tested with Firefox 23 and MS-IE 9). Some outputs require a VRML/X3D plugin (tested with Octaga Player 2.3.0.3).

Need help?
Beside a large set of contextual help pages, the SPENVIS system includes a forum () where users can exchange their experiences and tips.  In case of problems, please consult our bug tracker system ( ) and feel free to post any bugs. 

The SPENVIS system is developed by a consortium led by the Royal Belgian Institute for Space Aeronomy (BIRA-IASB) for ESA's Space Environments and Effects Section through its General Support Technology Programme (GSTP).  The system is maintained by the development team at BIRA-IASB.

Current development team: Stijn Calders (project manager), Erwin De Donder, Michel Kruglanski & Neophytos Messios.

ESA Technical Officer: H. Evans (ESA/ESTEC/TEC-EES)