V4046 Sagittarii

V4046 Sagittarii, V4046 Sgr short, is about 240 light years distant spectroscopic binary star system in the constellation Sagittarius. The components include the spectral types K5 and K7 and have almost identical masses weighing about 0.9 solar masses; they are only a few solar radii away from each other. Your age is about 12 million years. In June 2009, could be detected using the Submillimeter Array radio telescope, a star surrounded the protoplanetary disk. This was the first discovery of such a disk in a binary star system V4046 Sgr and is the oldest known star system in which a disc was such evidence.