Planck pre-launch status: The Planck-LFI programme
This paper provides an overview of the Low Frequency Instrument (LFI) programme within the ESA Planck mission. The LFI instrument has been developed to produce...
Planetary system detection by estimating the covariance of coronagraphic lucky images
In this paper, we review two different methods to increase image contrast and propose the combination of both to detect faint companions surrounding a host star...
Observations of the Jupiter were carried out using a refined version of the stellar seismometer with a sensitivity of better than 50 cm/s. The observations...
Pre-main sequence lithium burning. 1: Weak T Tauri stars
We report high-resolution spectroscopic observations for a sample of 38 T Tauri stars (TTS), complemented by UBVRI photometry of 13 TTS, and CCD VRI photometry...
Problems of the Modern Romanian Astronomy: TELEROM
The TV broadcast discusses problems of the modernization of the Romanian astronomical infrastructure, the worst in Eastern Europe. It presents the TELEROM...
We present an overview of the life-cycle of the observing proposals to the GTC and the software tools designed to help the astronomers to create and submit...
pt5m is a 0.5 m robotic telescope located on the roof of the 4.2 m William Herschel Telescope (WHT) building, at the Roque de los Muchachos Observatory, La...
ROGER DAVIES: “Sería maravilloso tener el TMT en La Palma, en el Roque, y por supuesto habría potencial para la participación europea”
Fue uno de los “Siete Samurais” que en 1986 anunció el desplazamiento de la Vía Láctea, junto con otras galaxias, cúmulos y supercúmulos, hacia una descomunal...
Science with a Wide-field 6.5-m Spectroscopic Telescope
This document describes the scientific case for a wide-field 6.5-m spectroscopic telescope. The key scientific aims are linked to two different modes of...