Table 1
Basic information about the 38 observing sessions at the Urumqi Observatory during which S4 0954+65 was observed.
| Epoch | Duration | Duty cycle |
| (d) | (h-1) | |
|
|
||
| 14.08−17.08.2005 | 2.9 | 0.3 |
| 27.12−31.12.2005 | 3.7 | 0.6 |
| 15.03−18.03.2006 | 3.0 | 0.7 |
| 27.04−01.05.2006 | 3.9 | 0.7 |
| 09.06−12.06.2006 | 3.2 | 1.2 |
| 14.07−18.07.2006 | 4.0 | 0.9 |
| 19.08−25.08.2006 | 6.4 | 1.3 |
| 23.09−28.09.2006 | 5.0 | 1.2 |
| 17.11−22.11.2006 | 4.7 | 1.2 |
| 17.12−21.12.2006 | 4.2 | 1.0 |
| 25.01−27.01.2007 | 2.3 | 1.1 |
| 12.02−16.02.2007 | 4.0 | 1.0 |
| 24.03−27.03.2007 | 2.8 | 0.9 |
| 20.04−24.04.2007 | 3.7 | 0.8 |
| 15.06−18.06.2007 | 2.4 | 0.9 |
| 19.07−22.07.2007 | 2.9 | 0.9 |
| 18.08−21.08.2007 | 3.1 | 0.9 |
| 13.10−16.10.2007 | 3.0 | 1.0 |
| 21.12−25.12.2007 | 3.2 | 1.1 |
| 24.02−27.02.2008 | 2.9 | 0.8 |
| 21.03−24.03.2008 | 3.0 | 1.1 |
| 21.04−24.04.2008 | 3.1 | 1.0 |
| 21.06−24.06.2008 | 3.5 | 0.6 |
| 18.07−23.07.2008 | 4.7 | 0.6 |
| 20.08−25.08.2008 | 5.0 | 0.6 |
| 12.09−16.09.2008 | 3.5 | 1.0 |
| 06.11−09.11.2008 | 3.6 | 0.5 |
| 22.12−24.12.2008 | 2.4 | 1.0 |
| 11.01−13.01.2009 | 2.6 | 1.1 |
| 22.02−25.02.2009 | 3.0 | 1.4 |
| 19.04−24.04.2009 | 5.5 | 0.7 |
| 12.05−15.05.2009 | 2.7 | 0.7 |
| 24.06−27.06.2009 | 2.6 | 0.7 |
| 20.08−24.08.2009 | 4.1 | 0.9 |
| 22.09−27.09.2009 | 5.5 | 0.9 |
| 08.10−11.10.2009 | 2.3 | 1.0 |
| 21.11−25.11.2009 | 3.8 | 0.8 |
| 10.12−14.12.2009 | 4.4 | 1.1 |
Notes. In Col. 1, we report the starting and ending dates of the experiments (format: dd.mm−dd.mm.yyyy), in Col. 2 the duration, and in Col. 3 the average number of measurements per hour for IDV sources (duty cycle).
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