Tags: Star.
1RXS J160929.1-210524 (also known as GSC 6213-1358 or PZ99 J160930.3-210459) is a pre-main-sequence star nearly 470 light-years away in the constellation of Scorpius.The star was identified as a member of the Upper Scorpius subgroup of the Scorpius-Centaurus Association by Thomas Preibisch and coauthors in 1998 and originally assigned an age of 5 million years old based on its group membership.A more recent analysis of the ages of the stars in the Upper Scorpius group pegs its average age at 11 million years.