2 citations · 3 across the 3 of their papers we have counts for
10 papers
Optimization of time data codification and transmission schemes: Application to Gaia
Jordi Portell, Enrique Garcia-Berro, Xavier Luri
Gaia is an ambitious space observatory devoted to obtain the largest and most precise astrometric catalogue of astronomical objects from our Galaxy and beyond. On-board processing…
The Payload Data Handling and Telemetry Systems of Gaia
Jordi Portell, Xavier Luri, Enrique Garcia-Berro +1
The Payload Data Handling System (PDHS) of Gaia is a technological challenge, since it will have to process a huge amount of data with limited resources. Its main tasks include the…
Dynamical streams in the solar neighbourhood
B. Famaey, A. Jorissen, X. Luri +4
The true nature of the Hyades and Sirius superclusters is still an open question. In this contribution, we confront Eggen's hypothesis that they are cluster remnants with the resul…
Spiral structure parameters in the solar neighbourhood
D. Fernandez, X. Luri, F. Figueras +1
Two samples of O- and B-type stars and Cepheids with Hipparcos data have been used to characterize galactic rotation and spiral arm kinematics in the solar neighbourhood. An extens…
Determination of the LMC distance modulus from the Classical Cepheid Period-Luminosity relation
Xavier Luri, J. Torra, F. Figueras +3
The distance modulus of the Large Magellanic Cloud (LMC) is the first step on the determination of the cosmic distance scale. In this paper it is obtained from a new calibration of…
Distances and absolute magnitudes from trigonometric parallaxes
F. Arenou, X. Luri
We first review the current knowledge of Hipparcos systematic and random errors, in particular small-scale correlations. Then, assuming Gaussian parallax errors and using examples…