New narrow band images of NGC 4151, taken in excellent seeing conditions with the 4.2-m William Herschel Telescope on La Palma are presented. These reveal a...
The complexity of the coronal line region in AGNs: Gas-jet interactions and outflows revealed by NIR spectroscopy
Apart from the classical broad line region (BLR) at small core distances, and the extended classical narrow-line region (NLR), a subset of active galactic...
Constellation-X presents a great leap forward in collecting area over current X-ray observatories and will enable high signal-to-noise studies of X-ray sources...
The contribution to population in ellipticals of blue stragglers - A test of their origin
An observational test of the binary hypothesis for the origin of the blue straggler (BS) stars has been performed searching for radial velocity variables among...
The control unit of the near infrared spectrograph of the Euclid space mission: detailed design
The Near Infrared Spectrograph and Photometer (NISP) is one of the instruments on board the ESA EUCLID mission. The Universidad Poli&tacute;ecnica de Cartagena...