The Tantalizing Case of the Quasar J0950+5128 -- I. Presentation of the Data and Detailed Exploration of the Binary Supermassive Black Hole Scenario

Niana N. Mohammed, Jessie C. Runnoe, Michael Eracleous +8

Spectroscopic observations of the quasar J0950$+$5128 spanning 22 years reveal monotonic radial velocity variations in its broad H${\hat{I}}^2$ emission line. Moreover, the line profile bec…