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Table 8.

Classification results collected from the literature distinguishing sources belonging to each Fermi-LAT catalog.

Fermi-LAT class BZB BZQ BZG
(1) (2) (3) (4)
in 1FGL

BZB 9(3) ... ...
BZQ ... [+1] ...
AGN/AGU 6(2) ... ...
UGS 22(5) ... ...

in 2FGL

BZB 11(4) ... ...
BZQ ... ... ...
AGN/AGU 19(3) 3 1
UGS 23(8) 1[+1] ...

in 3FGL

BLL 14(4) ... ...
FSRQ ... ... ...
AGU/BCU 53(8) 4 1
UGS 50(22) [+1] ...

in 4FGL

BLL 53(15) ... ...
FSRQ 4(1) 1 ...
AGU/BCU 49(15) 3 1
UGS/UNK 6(1) [+1] ...

Notes. Column 1 lists the Fermi-LAT class according to labels reported in each Fermi-LAT catalog; Cols. 2, 3, 4 respectively indicate the number of BZBs, BZQs, and BZGs classified in the literature. Numbers in parentheses in Col. 2 correspond to BZB classifications of BL Lacs having a firm z measurement, while those in Col. 3 for BZQs indicate additional sources classified as quasars but without sufficient information on their radio spectral shapes.

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