A Sharp Eye on Southern Binary Stars

Animation demonstrating the orbit of the close binary pair Ba, Bb in the HIP 83716 Triple System. The orbit has been calculated from five observations (blue circles) taken between 2009, when the close binary was discovered by CTIO Astronomer Dr. Andrei Tokovinin and his associates from the USNO while using speckle imaging at SOAR, and 2014, the date of the most recent observation.  See the Binary Star animation

Read more in NOAO Press Release 14-03.