MOTIVATED BY THE 4FGL CATALOG AND THE CONTINUED NEED TO IDENTIFY MANY UNASSOCIATED FERMI SOURCES WE PROPOSE TO USE SWIFT TO CONTINUE THE PREVIOUSLY SUCCESSFUL GI PROGRAM TO SEARCH FOR X-RAY AND UV/OPTICAL COUNTERPARTS OF UNASSOCIATED FERMI GAMMA-RAY
$78,875FY2020National Aeronautics and Space AdministrationNASA
The Pennsylvania State University