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Table 1

Summary of the optical monitoring data.

Telescope Camera FoV Pixel Period of observation #obs. Exp. time Seeing Sampling

Euler C2 11′  ×  11′ 0344 Jan. 2004–Mar. 2010 301 5  ×  360 s 137 6 days
Mercator MEROPE 6.5′  ×  6.5′ 0190 Sep. 2004–Dec. 2008 104 5  ×  360 s 159 11 days
Maidanak SITE 8.9′  ×  3.5′ 0266 Oct. 2004–Jul. 2006   26 10  ×  180 s 131 16 days
Maidanak SI 18.1′  ×  18.1′ 0266 Aug. 2006–Jan. 2007 8 6  ×  300 s 131 16 days
SMARTS ANDICAM 10′  ×  10′ 0300 Aug. 2003–Apr. 2005 136 3  ×  300 s  ≤ 180 4 days

TOTAL Aug. 2003–Mar. 2010 575 242.5 h 3.2 days

Notes. The temporal sampling is the mean number of days between two consecutive observations.

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