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Table 1

Overview of VLBI observations of OJ 287.

Epoch Frequency Participating stations Beam Position-angle Recording rate Polarisation
[GHz] [maj:min mas] [°] [Mbit/s]

2008.77 86.2 All 0.211; 0.047 9.3 512 Dual3
2009.36 86.2 All 0.219; 0.051 2.5 512 Dual3
2009.77 86.2 All 0.221; 0.045 2.6 512 Dual3
2010.35 86.2 All 0.269; 0.056 2.7 512 Dual3
2011.36 86.2 All 0.245; 0.047 5.6 512 Dual3
2011.76 86.2 All 0.255; 0.078 3.2 512 Dual3
2012.38 86.2 All2 0.230; 0.063 22.0 512 Dual34
2007.452013.57 43.13 VLBA 0.351; 0.1451 2.9 512 Dual
2008.702012.39 15.36 VLBA 0.891; 0.3791 5.5 512 Dual

Notes.

(1)

Beam sizes are indicative only and depends on uv coverage.

(2)

Yebes participated.

(3)

Onsala only supported LCP.

(4)

Yebes only supported LCP.

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