Research from the RAdial Velocity Experiment (RAVE) at the Australian Astronomical Observatory, headed by Quentin Parker, was the first to quantify the nature of the group, though astronomers had known of its existence for some time.
Research from the RAdial Velocity Experiment (RAVE) at the Australian Astronomical Observatory, led by Quentin Parker, was the first to provide a quantifiable description of the group's composition. Astronomers were aware of the group's existence but lacked detailed information about its nature.