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Table 1

List of the effective observing times obtained with each hardware setup. See text for details.

Obs. period Obs. date Obs. mode read-out system PSF Obs. time

2005a 2005-03-15–2005-04-10 On-Off 300 MS/s 20 mm 6.5 h
2005b 2005-05-07–2005-05-08 On-Off 300 MS/s 13 mm 1.5 h

2006a 2005-12-30–2006-04-03 Wobble 300 MS/s 15 mm 53.4 h
2006b 2006-05-23–2006-12-31 Wobble 300 MS/s + Splitters 14 mm 26.0 h

2007 2007-02-13–2007-05-19 Wobble 2 GS/s + Splitters 14 mm 42.8 h

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