The participants in the first Hispanoamerican Festival of Authors yesterday visit the Roque de los Muchachos Observatory, invited by the Instituto de Astrofísica de Canarias (IAC), In the afternoon members of the Observatory participated in panel discussion as a tribute to the British scientist Stephen Hawking.

The study, led by Paula Izquierdo, a doctoral student at the Instituto de Astrofísica de Canarias (IAC) and the University of La Laguna (ULL), has gone deeply into the analysis of this exceptional white dwarf, which shows periodic transits produced by fragments of a shredded planetesimal. The observations used for this research were obtained with the Gran Telescopio Canarias and with the Liverpool Telescope.

Next Sunday, September 23rd, will be the September equinox, the autumnal equinox in the northern hemisphere, and the vernal equinox in the southern hemisphere. The two equinoxes, in September and March, are the only days when the Sun rises exactly in the east and sets exactly in the west. The autumnal equinox will be broadcast live from the Dólmen Zarfra3 in Valencia de Alcántara (Cáceres, Extremadura) via the channel sky-live.tv, on the early morning of September 23rd, with the collaboration of the European STARS4ALL project, and an iniciative of the Junta of Extremadura “Extremadura, Good

The encounter, which will take place between September 18th and 22nd, in the municipality in La Palma of Los Llanos de Aridane, will bring together around forty literary figures writing in Spanish from both sides of the Atlantic. Among the planned acts the Instituto de Astrofísica de Canarias (IAC) will participate in a panel discussion which will pay tribute to the memory of Stephen Hawking, and will organize a special visit for the guests to the Roque de los Muchachos Observatory.

Thanks to the OSIRIS instrument on the Gran Telescopio Ganarias (GTC) it has been possible to make the deepest survey of galaxies to date (OTELO) and the results could change what we currently know about the formation and evolution of galaxies.

The call for proposals for semester 2019A of the night CAT has been released. Deadline on October 2, at 23:59 UT.