LINERs have been a class of low-luminosity AGN difficult to explain under the unified model. It has been claimed (González-Martín et al. 2009b) that a high...
The Observatorio Astrofísico de Javalambre: current status, developments, operations, and strategies
The Observatorio Astrofísico de Javalambre (OAJ) is a new Spanish astronomical facility particularly designed for carrying out large sky surveys. The OAJ is...
The Observatorio Astrofísico de Javalambre: goals and current status
The Observatorio Astrofsico de Javalambre in Spain is a new astronomical facility particularly conceived for carrying out large sky surveys with two...
The Observatorio del Teide welcomes SONG:the Stellar Observations Network Group
The Stellar Observations Network Group (SONG) is an internationalnetwork project aiming to place eight 1 m robotic telescopes around the globe,with the primary...
Open clusters (OCs) are crucial for studying the formation and evolution of the Galactic disc. The lack of a large number of OCs analysed homogeneously hampers...
The occurrence of non-pulsating stars in the γ Dor and δ Sct instability regions
We examine the light curves of over 2700 stars observed in long cadence by the Kepler spacecraft as part of the Guest Observer program. Most of these stars are...
The Old Stellar Population in Dwarf Irregular Galaxies
Dwarf irregular (dIr) galaxies are frequent targets of young stellar populations research. But less attention has been devoted to their intermediate-age and old...
The oldest galactic open clusters - New CCD photometry and colour-magnitude diagrams
The paper presents CCD photometry for stars in three fields centered on the old open cluster NGC 188 and in four fields on the intermediate-age cluster NGC 7789...