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Table 1

List of stars investigated in this study.

Stars Cyg Obs. run Instrument Wavelength domain ΔT N

HD 193443 Cyg OB1 Aug. 2004 OHP – Elodie/1.93 m  [3850−6850]    Å  − 1
Aug. 2005 OHP – Elodie/1.93 m  [3850−6850]    Å  − 1
Sep. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å 7.06 4
Oct. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å 3.17 3
Dec. 2009 OHP – Aurélie/1.52 m  [4450−4650]    Å 2.98 3
Jun. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 19.98 13
Aug. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 5.94 7
Dec. 2010 OHP – Aurélie/1.52 m  [4450−4650]    Å 4.00 5

HD 193514 Cyg OB1 Aug. 2004 OHP – Elodie/1.93 m  [3850−6850]    Å  − 1
Aug. 2005 OHP – Elodie/1.93 m  [3850−6850]    Å  − 1
Sep. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å 7.17 4
Oct. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å 4.07 5
Jun. 2009 SPM – Espresso/2.12 m  [3780−6950]    Å  − 1
Jun. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 5.83 6
Aug. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 4.93 4

HD 193595 Cyg OB1 Sep. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å 7.13 4
Oct. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å 1.14 2
Jun. 2009 SPM – Espresso/2.12 m  [3780−6950]    Å  − 1
Aug. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 4.00 2

HD 193682 Cyg OB1 Sep. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å 7.02 4
Oct. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å 1.06 2
Jun. 2009 SPM – Espresso/2.12 m  [3780−6950]    Å  − 1
Jun. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å  − 1
Aug. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 2.98 2

HD 194094 Cyg OB1 Jun. 2009 SPM – Espresso/2.12 m  [3780−6950]    Å 3.93 2
Aug. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 4.94 2
Sep. 2011 SPM – Espresso/2.12 m  [3780−6950]    Å  − 1

HD 194280 Cyg OB1 Oct. 2004 OHP – Aurélie/1.52 m  [4450−4900]    Å 4.05 3
Jun. 2005 OHP – Aurélie/1.52 m  [4450−4900]    Å 8.03 7
Sep. 2006 OHP – Aurélie/1.52 m  [4450−4900]    Å 4.07 8
Oct. 2006 OHP – Aurélie/1.52 m  [4450−4900]    Å  − 1
Nov. 2007 OHP – Aurélie/1.52 m  [4450−4900]    Å 26.95 23

HD 228841 Cyg OB1 Sep. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å 6.08 3
Oct. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å  − 1
Jun. 2009 SPM – Espresso/2.12 m  [3780−6950]    Å  − 1
Jun. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å  − 1
Aug. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 3.18 2

HD 228989 Cyg OB1 Aug. 2009 SPM – Espresso/2.12 m  [3780−6950]    Å 0.80 2
Jul. 2010 SPM – Espresso/2.12 m  [3780−6950]    Å  − 1
Aug. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 5.13 5
Jun. 2011 SPM – Espresso/2.12 m  [3780−6950]    Å 3.94 5
Sep. 2011 SPM – Espresso/2.12 m  [3780−6950]    Å 1.98 5

HD 229234 Cyg OB1 Sep. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å 1.06 2
Oct. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å 1.82 2
Jun. 2009 SPM – Espresso/2.12 m  [3780−6950]    Å  − 1
Aug. 2009 SPM – Espresso/2.12 m  [3780−6950]    Å 0.96 2
Jun. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 6.06 4
Jul. 2010 SPM – Espresso/2.12 m  [3780−6950]    Å 1.06 2
Aug. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 5.86 6

HD 190864 Cyg OB3 Aug. 2001 OHP – Elodie/1.93 m  [3850−6850]    Å  − 1
Sep. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å 7.05 5
Oct. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å 3.25 3
Jun. 2009 SPM – Espresso/2.12 m  [3780−6950]    Å 5.91 2
Jun. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 1.00 2
Aug. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 4.00 4

HD 227018 Cyg OB3 Sep. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å 7.05 4
Oct. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å 4.02 4
Aug. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 2.02 2

HD 227245 Cyg OB3 Aug. 2009 SPM – Espresso/2.12 m  [3780−6950]    Å 0.86 2
Jun. 2011 SPM – Espresso/2.12 m  [3780−6950]    Å 3.81 3

HD 227757 Cyg OB3 Jun. 2009 SPM – Espresso/2.12 m  [3780−6950]    Å 4.98 2
Jul. 2010 SPM – Espresso/2.12 m  [3780−6950]    Å  − 1
Jun. 2011 SPM – Espresso/2.12 m  [3780−6950]    Å 3.94 3

HD 191423 Cyg OB8 Aug. 2004 OHP – Elodie/1.93 m  [3850−6850]    Å  − 1
Sep. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å 7.09 4
Oct. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å  − 1
Jun. 2009 SPM – Espresso/2.12 m  [3780−6950]    Å  − 1
Aug. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 3.17 2

HD 191978 Cyg OB8 Aug. 2001 OHP – Elodie/1.93 m  [3850−6850]    Å 1.05 2
Sep. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å 5.94 3
Oct. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å  − 1
Jun. 2009 SPM – Espresso/2.12 m  [3780−6950]    Å 8.92 2
Aug. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 4.11 3

HD 193117 Cyg OB8 Sep. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å 6.82 3
Oct. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å  − 1
Jun. 2009 SPM – Espresso/2.12 m  [3780−6950]    Å 5.05 2
Aug. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 3.20 2

HD 194334 Cyg OB9 Sep. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å 6.75 2
Oct. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å  − 1
Jun. 2009 SPM – Espresso/2.12 m  [3780−6950]    Å  − 1
Aug. 2009 SPM – Espresso/2.12 m  [3780−6950]    Å 0.87 2
Jun. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 1.07 2
Jul. 2010 SPM – Espresso/2.12 m  [3780−6950]    Å 1.03 2
Aug. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 3.87 1

HD 194649 Cyg OB9 Jun. 2009 SPM – Espresso/2.12 m  [3780−6950]    Å  − 1
Aug. 2009 SPM – Espresso/2.12 m  [3780−6950]    Å  − 1
Jun. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 5.95 3
Aug. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 2.13 2
Jun. 2011 SPM – Espresso/2.12 m  [3780−6950]    Å 3.93 5
Sep. 2011 SPM – Espresso/2.12 m  [3780−6950]    Å 3.98 5

HD 195213 Cyg OB9 Sep. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å 6.96 3
Oct. 2008 OHP – Aurélie/1.52 m  [4450−4900]    Å  − 1
Aug. 2009 SPM – Espresso/2.12 m  [3780−6950]    Å 0.96 2
Jun. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å  − 1
Jul. 2010 SPM – Espresso/2.12 m  [3780−6950]    Å  − 1
Aug. 2010 OHP – Aurélie/1.52 m  [4450−4900]    Å 4.91 2

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