Table 2: Observations. 1. identification of the ULXs. 2. telescope and instrument used. 3. epoch of observations. 4. exposure time.
Main ID Telescope Date Exposure time
      (s)
IXO 29 4.2 m WHT ISIS October 2006 $3\times 1800$
IXO 43 1.9 m OHP CARELEC March 2005 $2\times 1800$
IXO 54 1.9 m OHP CARELEC March 2005 $3\times 1800$
IXO 55 4.2 m WHT ISIS November 2006 $2\times 600+1\times 500$
IXO 56 4.2 m WHT ISIS November 2006 $3\times 600$
IXO 57 1.9 m OHP CARELEC March 2005 $1\times 1800$
IXO 70 4.2 m WHT ISIS November 2006 $1\times 400$
SW78 4.2 m WHT ISIS November 2006 $2\times 600$


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