The triple sequence of NGC 2808: exploring the stellar abundances
NGC 2808 is one of the globular clusters containing multiple stellar populations in our Galaxy. The cluster color-magnitude diagram contains two extra sequences...
The Two Micron Galactic Survey (TMGS) is the most sensitive near-infrared large scale survey of the Galactic plane yet attempted. The TMGS has so far covered...
The two Titan stellar occultations of 14 November 2003
We report the observation of two stellar occultations by Titan on 14 November 2003, using stations in the Indian Ocean, southern Africa, Spain, and northern and...
The Type-II Plateau Supernova 1988A in M58 - what Mechanism Powers its Late-Time Luminosity
The detection of high late-time luminosity in the type-II plateau supernova 1988A about 500 days after maximum indicates that some mechanism is still providing...
The Uaratio and Its Possible Use in Roman Urban Planning to Obtain Astronomical Orientations
Several works have tried either to demonstrate or reject the notion that the orientation of the main axis of a Roman city was deliberate since its choice might...