ivsopar.obspm.fr

OPAR is a component of the International VLBI Service for Geodesy and Astrometry (IVS)

Analysis Service

• Global solution for Earth orientation, TRF, and CRF
• Intensive solution for UT1
• Station coordinate time series
• Radio source coordinate time series

Related Projects

• Monitoring of the free core nutation
• Monitoring of large earthquakes
• Contribution to IVS combination (timeliness)
• Contribution to IERS combination
• Contribution to ICRF3
• Contribution to ITRF 2014

Data Center

OPAR is one of the three IVS primary data centers. You can

• Download VLBI data and products via FTP access
• Submit VLBI data and products; please contact us to obtain the procedure

Contributors and Contact

• Sébastien B Lambert, Astronomer, scientific coordination
• Christophe Barache, Research Engineer, IT management, link with optical and Gaia
• Olivier Becker, Engineer, IT management
• Teddy Carlucci, Engineer, IT management
• César Gattano, Postdoc, celestial frame stability
• Ibnu Nurul Huda, PhD student, Earth's deep interior
• Jean-Yves Richard, Research Engineer, multitechnique combination
• Yann Ziegler, Postdoc, Earth's deep interior, link with surface gravimetry

SYRTE, Observatoire de Paris, PSL Research University, CNRS, Sorbonne Universités, UPMC Univ Paris 06, LNE
61 av de l'Observatoire, 75014 Paris, France
E-mail: firstname dot lastname at obspm dot fr