Exploring the RCrA environment with SPHERE: Discovery of a new stellar companion
Exploring the RCrA environment with SPHERE: Discovery of a new stellar companion
Aims. R Coronae Australis (R CrA) is the brightest star of the Coronet nebula of the Corona Australis (CrA) star forming region. It has very red colors, probably due to dust absorption and it is strongly variable. High contrast instruments allow for an unprecedented direct exploration of the immediate circumstellar …