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Table 1

Journal of available spectra.

Date BJD-2 455 600 UT T exp S/N
[d] [h]:[m] [s]

2011-02-19 11.5249327 00:36 720(2) 220
2011-02-20 12.5581295 01:24 900(2) 140
2011-02-22 14.5001431 00:00 900(2) 145
2011-02-22 15.4722788 23:20 600(2) 190
2011-02-23 16.4782732 23:29 750(2) 240
2011-02-24 17.4157888 21:59 825(2) 230
2011-02-25 18.4739716 23:23 900(2) 230
2011-02-27 20.4782182 23:29 1200(2) 220

Notes. The barycentric Julian date (BJD) and the universal time (UT) correspond to the middle of the combined exposures; number in brackets to the exposure times gives the total number of exposures; signal-to-noise (S/N) values refer to the combined spectra.

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