397 citations
- Institute of Applied AstronomyRU10 papers
- Centre National de la Recherche ScientifiqueFR9 papers
- University of TasmaniaAU8 papers
- Konkoly ObservatoryHU7 papers
- Shanghai Astronomical ObservatoryCN7 papers
- Systèmes de Référence Temps-EspaceFR7 papers
- HUN-REN Research Centre for Astronomy and Earth SciencesHU6 papers
- Observatoire de ParisFR6 papers
- Yebes ObservatoryES6 papers
- Australian National UniversityAU5 papers
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11 papers · 1 filter
A novel approach for the direct estimation of the instantaneous Earth rotation velocity
Oleg Titov
Very Long Baseline Interferometry (VLBI) measures two standard observables: group delay and fringe frequency (delay rate). While group delay is widely used to estimate a broad rang…
Parallactic delay for geodetic VLBI and non-orthogonality of the fundamental axes
Oleg Titov, Angelina Osetrova
The Gaia optical astrometric mission has measured the precise positions of millions of objects in the sky, including extragalactic sources also observed by Very Long Baseline Inter…
Resolving VLBI correlator ambiguity in the time delay model improves precision of geodetic measurements
Oleg Titov, Alexei Melnikov, Yulia Lopez
The modern Very Long Baseline Interferometry (VLBI) relativistic delay model, as documented in the IERS Conventions refers to the time epoch when the signal passes one of two stati…
Methods for coherent optical Doppler orbitography
Benjamin P. Dix-Matthews, Sascha W. Schediwy, David R. Gozzard +4
Doppler orbitography uses the Doppler shift in a transmitted signal to determine the orbital parameters of satellites including range and range-rate (or radial velocity). We descri…
Testing special relativity with geodetic VLBI
Oleg Titov, Hana Krasna
Geodetic Very Long Baseline Interferometry (VLBI) measures the group delay in the barycentric reference frame. As the Earth is orbiting around the Solar system barycentre with the…
Testing General Relativity with geodetic VLBI: what profit from a single, specially designed experiment?
Oleg Titov, Anastasiia Girdiuk, Sebastien Lambert +15
Context. We highlight the capabilities of the geodetic VLBI technique to test General relativity in the classical astrometric style, i.e., measuring the deflection of light in the…