Open Access

Table A.2

Epochs for the optical observational data

ESPaDOnS Year MJD S/N*
Nobs Mean Min Max
2005.50 8 53553.746 53541.361 53566.232 600

NARVAL 600

2007.59 10 54315.345 54307.353 54322.337
2008.08 16 54497.245 54484.222 54510.268
2009.46 12 55000.921 54983.945 55017.896
2010.07 7 55222.168 55202.211 55242.126
2012.07 14 55952.225 55935.264 55969.187
2013.33 11 56412.462 56397.966 56426.958
2015.29 15 57130.512 57091.129 57169.896

UVES

2017.42 2 57906.132 57906.131 57906.124 200

Notes. *Representative values for the median S/N calculated in the wavelength region 5400–5530 Å for individual observations.

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