This conference is organized by the Instituto de Astrofísica de Canarias (IAC) , in collaboration with the Gran Telescopio Canarias (GTC) and the National Astronomical Observatories of China (NAOC)

The SO/PHI Instrument on Solar Orbiter is a deep space vector magnetograph with two telescopes that provide magnetic, brightness, and velocity information on the full solar disk (Full Disk Telescope

Fifty years ago the search for the first Brown Dwarf (BD) was raging among various teams over the world. After several years of intense studies, in September 1995 the first BD were announced in the