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Table 3:

Flux density and possible variability of the 12 GPS sources.

Source 		$S_{\rm PKS}$ $S_{\rm Jan07}$ $S_{\rm Jul07}$ $S_{\rm Dec08}$ $ S_{\rm Jul09}$ $S_{\rm Nov09}$ $\overline{S_{Ur}}$ $\sigma_{S_{Ur}}/\overline{S_{Ur}}$ $(\overline{S_{Ur}}-S_{\rm PKS})/S_{\rm PKS}$
  (mJy) (mJy) (mJy) (mJy) (mJy) (mJy) (mJy) (%) (%)

J0210+0419 		300 $302\pm10$ $282\pm2$   $274\pm4$ $298\pm4$ 289 4.0 -3.7
J0323+0534 830 $868\pm9$ $833\pm5$ $796\pm21 $ $814\pm10$ $836\pm4$ 829 2.9 -0.1
J0433-0229 640 $637\pm14$ $705\pm25$ $612\pm5$     651 6.0 1.8
J0913+1454 300 $297\pm8$ $289\pm3$ $275\pm18$   $311\pm6$ 293 4.5 -2.3
J1057+0012 370 $351\pm6$ $369\pm4$ $355\pm21$ $345\pm4$ $373\pm14$ 359 3.0 -3.1
J1109+1043 400 $428\pm8$ $416\pm5$ $420\pm7$ $434\pm4$ $414\pm7$ 422 1.8 5.6
J1135-0021 440 $427\pm8$ $392\pm4$ $422\pm13$     414 3.7 -6.0
J1203+0414 520 $611\pm7$ $561\pm3$ $590\pm21$ $604\pm4$ $632\pm5$ 600 3.9 15.3
J1352+0232 470 $469\pm7$ $453\pm4$ $458\pm10$ $470\pm4$ $465\pm6$ 463 1.4 -1.5
J1352+1107 410 $418\pm5$ $406\pm3$ $403\pm 6$ $411\pm3$ $432\pm3$ 414 2.5 1.0
J1600-0037 180 $212\pm3$ $177\pm5$ $190\pm5$     193 7.5 7.2
J2058+0540 340   $340\pm3$ $351\pm18$ $343\pm4$ $345\pm5$ 345 1.2 1.4

Notes. Column 2 is the PKS90 flux density at 5.0 GHz. Columns 3 to 7 indicate the 4.85 GHz flux density measured with the Urumqi telescope in January 2007, July 2007, December 2008, July 2009, and November 2009, respectively; Cols. 8-10 give the mean flux density of the Urumqi data, the standard deviation of the Urumqi data divided by the mean value, and the relative variation between the mean flux density and the PKS90 data.


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