In the early part of the XXI century, at a still uncertain date. A woman left in the library of the Instituto de Astrofísica de Canarias (IAC) in La Laguna, seven exercise books with astronomical observations made over a hundred years before by a certain Juan Valderrama y Aguilar. As no-one at first realized their importance, the books were neglected for some ten years, until they were rediscovered by accident by researchers from the IAC and research on them began. On Wednesday 26th September at 19.00 h an edition of these observations will be presented in the Museum of Science and the

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.

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.