FRB121102-20221218-S001-R001-R-023327.fts

upper limit SN vs magnitude graph from USNO-B1 catalog

UT upper limit 2022-12-18 17:33:29.579 16.747 +/- 0.672 (3sigma) 16.094 +/- 0.673 (5sigma) 15.207 +/- 0.676 (10sigma)