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- Centre National de la Recherche ScientifiqueFR377 papers
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4 papers · 2 filters
Range, Doppler and astrometric observables computed from Time Transfer Functions: a survey
A. Hees, S. Bertone, C. Le Poncin-Lafitte +1
Determining range, Doppler and astrometric observables is of crucial interest for modelling and analyzing space observations. We recall how these observables can be computed when t…
Observables in theories with a varying fine structure constant
A. Hees, O. Minazzoli, J. Larena
We show how two seemingly different theories with a scalar multiplicative coupling to electrodynamics are actually two equivalent parametrisations of the same theory: despite some…
Light propagation in the field of a moving axisymmetric body: theory and application to JUNO
A. Hees, S. Bertone, C. Le Poncin-Lafitte
Given the extreme accuracy of modern space science, a precise relativistic modeling of observations is required. We use the Time Transfer Functions formalism to study light propaga…
Late-time cosmology of scalar-tensor theories with universal multiplicative coupling between the scalar field and the matter Lagrangian
Olivier Minazzoli, Aurélien Hees
We investigate the late-time cosmological behaviour of scalar-tensor theories with a universal multiplicative coupling between the scalar field and the matter Lagrangian in the mat…