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Table 2

Observation log of the different nights showing the total number of spectra and the number of in- and out-transit spectra.

Date 7 Sep. 2006 19 Jul. 2007 28 Aug. 2007

Total spectra 20 39 40
In-transit 11 19 19
Out-of-transit 9 20 21
texp [s] 600–900 300 300

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