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 ITRF2014

Data Center

OPAR is one of the three IVS primary data centers (FTP access)

Contributors and Contact

Sébastien B Lambert, Astronomer, scientific coordination
Christophe Barache, Research Engineer, IT management, link with optical and Gaia
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