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Table 3

Mean and median variability parameters for different frequencies and source class.

ν Classa τ var b Log(TB) c δvar,eqd
(GHz) (d) (K)

2.64 ALL 348 350 13.60 13.11 8.8 8.2
FSRQs 333 345 13.77 13.58 12.7 11.5
BL Lacs 339 335 13.32 12.24 4.7 2.9
4.85 ALL 342 336 13.33 12.90 7.6 7.5
FSRQs 355 338 13.27 13.05 9.3 9.0
BL Lacs 325 301 13.25 12.09 4.4 3.4
8.35 ALL 336 345 12.91 12.44 5.9 5.8
FSRQs 331 360 12.93 12.72 7.6 7.7
BL Lacs 343 345 12.77 11.57 3.1 2.4
10.45 ALL 327 315 12.73 12.34 5.3 5.2
FSRQs 307 278 12.80 12.64 7.0 6.8
BL Lacs 368 353 12.45 11.41 2.7 2.2
14.60 ALL 294 270 12.57 12.20 4.8 4.5
FSRQs 284 263 12.67 12.44 6.4 6.5
BL Lacs 300 270 12.38 11.57 2.8 2.5
23.02 ALL 301 270 12.37 11.93 4.3 4.0
FSRQs 277 260 12.51 12.25 5.6 5.5
BL Lacs 298 293 12.11 11.67 2.8 2.6
32.00 ALL 282 280 12.38 11.86 4.4 4.0
FSRQs 269 270 12.52 12.30 5.6 5.7
BL Lacs 284 284 11.79 11.41 2.3 2.3
43.00 ALL 309 300 12.12 11.64 3.6 3.2
FSRQs 303 308 12.24 11.65 4.2 3.7
BL Lacs 294 280 11.79 11.39 2.0 2.6
86.20 ALL 273 240 11.45 11.00 2.3 2.2
FSRQs 261 240 11.61 11.09 2.9 2.5
BL Lacs 276 240 11.02 10.75 1.4 1.4
142.30 ALL 328 308 11.29 10.62 1.9 1.5
FSRQs 296 300 11.50 10.73 2.4 1.7
BL Lacs 330 308 10.66 10.71 1.3 1.3

Notes.

(a)

Source class: FSRQs = flat-spectrum radio quasar, BL Lac = BL Lac object, ALL = all sources including unclassified blazars and radio galaxies;

(b)

variability time scale;

(c)

logarithm of the variability brutishness temperature;

(d)

variability Doppler factor.

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