HD 37646
HD 37646 is an eclipsing binary in the northern constellation of Auriga. The companion has only been detected by very shallow eclipses and by the radial velocity variations it produces in the primary star.
In addition to the spectroscopic companion, the 7th-magnitude star HD 37647 shares a common proper motion and parallax with HD 37646. The pair have an angular separation of 26.005″.