Table 1: The sample. For each source the number of flares, the number of datapoints since 1980 in each frequency band, the maximum flux density ( $S_{\rm max}$), variability index V and median duration of flares at 37 GHz are listed. Column 4 indicates if the source is a high-confidence EGRET detection (x) or a possible detection (?).
B1950 Other Class EGRET Number Number of datapoints since 1980 in each frequency band $S_{\rm max}$ [Jy] V Med duration [yr]
name name   detection of flares 4.8 8 14.5 22 37 90 150 230 37 GHz 37 GHz 37 GHz
0007+106 III ZW 2 GAL   6 234 438 477 309 253 26 - 15 3.08 0.84 1.82
0059+581   LPQ   2 - - - 148 101 - - - 5.23 0.70 2.47
0106+013 OC 012 HPQ   3 106 256 220 197 160 - - - 3.77 0.68 3.87
0109+224 S2 0109+22 BLO   3 114 152 162 181 152 - - - 3.13 0.78 3.01
0208-512   BLO x 1 - - - - - 57 - 31 6.511 0.661 6.521
0224+671   LPQ   2 110 115 114 106 80 42 - - 3.06 0.65 1.99
0234+285 4C 28.07 HPQ x 2 221 228 264 145 105 80 - - 4.68 0.48 4.57
0235+164   BLO x 4 723 1024 946 399 548 160 26 46 6.88 0.88 2.52
0333+321 NRAO 140 LPQ   2 - - - 178 153 - - - 2.68 0.56 5.49
0336-019 CTA 026 HPQ x 2 178 506 433 108 82 67 - - 3.86 0.51 2.45
0415+379 3C 111 GAL ? 3 232 471 425 147 88 29 - - 10.22 0.65 2.13
0420-014 OA 129 HPQ x 3 614 1042 917 378 417 198 - 59 15.68 0.76 3.48
0422+004 OF 038 BLO   2 165 516 373 144 131 44 - 20 2.40 0.76 1.96
0430+052 3C 120 GAL   4 621 1102 1003 417 462 109 - - 5.45 0.54 2.05
0446+112 PKS 0446+112 GAL ? 2 - - - 119 70 - - - 2.76 0.73 3.46
0528+134 PKS 0528+134 LPQ x 4 215 500 426 548 371 130 - - 11.03 0.72 2.70
0537-441   HPQ x 1 - - - - - 50 - 25 7.991 0.641 -
0607-157   LPQ   1 731 951 1002 - - 75 - 27 9.651 0.621 1.751
0642+449 OH 471 LPQ   1 - - - 270 219 47 - - 3.94 0.44 3.59
0716+714   BLO x 2 369 347 689 203 493 - - - 6.28 0.90 3.07
0735+178 PKS 0735+17 BLO x 1 416 640 693 309 295 99 - 38 5.26 0.80 10.66
0736+017   HPQ   2 137 320 294 208 157 79 - 26 4.71 0.75 1.30
0754+100 OI 090.4 BLO   2 122 295 289 208 169 24 - - 2.94 0.67 3.27
0804+499   HPQ ? 4 206 209 199 257 160 25 - - 3.47 0.79 0.83
0827+243 OJ 248 LPQ ? 3 - - - 133 62 16 - - 2.93 0.62 1.36
0847-120 J0850-1213 LPQ x 3 - - - 331 131 - - - 3.66 0.69 1.54
0851+202 OJ 287 BLO x 9 762 902 955 895 916 272 - 74 9.18 0.74 1.31
1055+018 OL 093 HPQ   4 354 573 639 255 229 80 - 27 7.05 0.60 2.61
1156+295 4C 29.45 HPQ x 6 414 810 667 404 326 73 - - 5.32 0.79 1.59
1222+216 PKS 1222+216 LPQ x 2 - - - 243 116 27 - 14 2.65 0.74 2.38
1226+023 3C 273 LPQ x 5 720 1033 951 939 1041 352 28 166 56.72 0.68 3.17
1253-055 3C 279 HPQ x 6 774 1065 1039 762 790 234 28 122 34.48 0.66 2.50
1308+326 AU CV n BLO   2 609 948 779 378 315 - - - 4.16 0.77 13.17
1334-127   HPQ x 1 482 821 649 - - 116 - 35 9.351 0.601 2.411
1413+135   BLO   2 279 701 562 243 186 71 - - 4.55 0.85 4.77
1502+106 OR 103 HPQ   3 - - - 156 136 - - - 2.28 0.57 1.98
1510-089 PKS 1510-089 HPQ x 6 587 984 1081 245 263 111 - 39 5.83 0.74 1.50
1606+106 4C 10.45 LPQ x 2 - - - 150 108 - - - 3.73 0.70 4.12
1611+343 DA 406 LPQ x 1 - - 250 229 198 - - - 5.23 0.54 4.60
1633+382 4C 38.41 LPQ x 2 - - 453 457 466 - - - 7.69 0.71 3.05
1641+399 3C 345 HPQ   3 987 1104 1018 806 783 182 40 - 17.03 0.64 4.46
1730-130 NRAO 530 LPQ x 2 340 615 501 83 80 93 - - 15.55 0.71 4.06
1739+522 S4 1739+52 HPQ x 2 259 363 395 149 121 - - - 3.12 0.77 4.24
1741-038 PKS 1741-038 HPQ   2 - 222 299 272 296 111 - - 8.93 0.70 3.03
1749+096 PKS 1749+096 BLO   5 695 1032 1088 583 465 154 - 51 10.09 0.85 0.94
1921-293   HPQ   1 401 694 657 - - 120 - 45 15.471 0.691 10.681
2007+776 S5 2007+77 BLO   1 232 - 436 92 84 - - - 2.97 0.67 3.34
2145+067   LPQ   4 304 821 818 551 496 134 - 34 11.77 0.41 3.12
2200+420 BL Lac BLO x 9 938 1115 1298 965 998 145 - - 13.75 0.83 1.44
2201+315 4C 31.63 LPQ   2 - - - 280 251 - - - 6.38 0.62 4.55
2223-052 3C 446 BLO   3 532 770 837 237 240 145 - 39 10.86 0.63 5.84
2227-088   HPQ   1 - - - 33 27 20 - 14 3.03 0.74 3.56
2230+114 CTA 102 HPQ x 1 - 983 909 295 293 106 - - 7.57 0.62 2.23
2251+158 3C 454.3 HPQ x 6 674 1070 1067 760 722 244 - 73 16.82 0.58 1.51
2255-282   LPQ   1 - - - - - 55 - 22 10.141 0.761 5.771

1 = Values taken at 90 GHz.


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