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: “It would be wonderful to have the TMT here in La Palma, at the Roque, and of course there would be the potential for European participation”
He was one of the “Seven Samurai” who in 1986 published that the Milky Way, together with its neighbour galaxies, in clusters and superclusters, forms a huge...
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...
Search for Very High Energy Gamma-ray Emission from Pulsar-Pulsar Wind Nebula Systems with the MAGIC Telescope
The MAGIC collaboration has searched for high-energy gamma-ray emission of some of the most promising pulsar candidates above an energy threshold of 50 GeV, an...
Simultaneous UBVRI photopolarimetric observations of blazars. II
Results are presented from simultaneous UBVRI photopolarimetric observations of eight blazars at the 2.56-m Nordic Optical Telescope during winter 1991. In 3C...