We present observations and analysis of three barred S0 galaxies which contain smooth, luminous, stellar nuclear rings within their bars. These rings, which...
Fotometría CCD de NGC 6994: ?` Un cúmulo abierto disperso?
We present the preliminary results of BV(RI)KC CCD photometry down to V = 21 mag. in the region of NGC 6994. To our knowledge, no photometry has been previously...
Four Gravitational Lens Candidates in The HST Snapshot Survey of BL Lac Objects
We report the result of the HST snapshot survey of BL Lac host galaxies. Almost 100 sources with redshift ranging from 0.05 to 1.2 were observed. Virtually all...
Four new SDSS eclipsing systems (Southworth+, 2010)
Light curves of four eclipsing cataclysmic variable stars and five non-eclipsing cataclysmic variables are presented. The data were obtained using the ESO/NTT...
The European Coordination Action on HELio- and ASteroseismology (HELAS) has completed its fourth and final year of initial funding by the European Commission...