\begin{table}%t1
\caption{Summary of all the observations from the XSA that were used in this analysis. We list the observation identifier, the date of the observation and the exposure of the observation.}\label{tabobsused}
\par
%\centering
\small
\begin{tabular}{ccc|ccc|ccc}
  \hline\hline
  Obs. ID. & Date & Exposure (s) &  Obs. ID. & Date & Exposure & Obs. ID. & Date & Exposure (s) \\ 
  \hline
  0099760201001 & 2000-03-22 & 49~332.0 & 0113891001002 & 2000-04-06 & 11~605.6 & 0113891101002 & 2000-04-07 & 16~888.5 \\
  0125300101012 & 2000-05-28 & 32~199.8 & 0124711401002 & 2000-05-29 & 17~663.9 & 0125920201002 & 2000-06-05 & 23~447.8 \\
  0126700401008 & 2000-06-15 & 7344.45 & 0124710401002 & 2000-06-23 & 8302.49 & 0124711101002 & 2000-06-24 & 28~264.6 \\
  0127921001001 & 2000-07-21 & 53~637.1 & 0127921201001 & 2000-07-23 & 18~456.8 & 0127921101001 & 2000-07-23 & 7264.02 \\
  0127720201001 & 2000-07-25 & 22~364.9 & 0112580601001 & 2000-07-26 & 33~567.5 & 0111210201001 & 2000-07-28 & 6135.45 \\
  0101440101001 & 2000-09-05 & 49~196.7 & 0101440701002 & 2000-09-05 & 29~643.4 & 0105460301002 & 2000-09-07 & 18~773.5 \\
  0104460401002 & 2000-10-12 & 11~898.8 & 0105260201001 & 2000-10-13 & 17~851.8 & 0123720301003 & 2000-10-27 & 56~029.2 \\
  0111400101001 & 2000-11-03 & 50~115.7 & 0106460101001 & 2000-11-06 & 54~873.2 & 0101440401001 & 2000-11-07 & 45~359.8 \\
  0101040301001 & 2000-11-28 & 37~070.4 & 0093552701001 & 2001-01-28 & 24~138.1 & 0086360401005 & 2001-03-12 & 44~171.7 \\
  0064940101001 & 2001-03-24 & 36~378.6 & 0083250101004 & 2001-04-09 & 19~805.2 & 0112870201002 & 2001-04-17 & 15~116.5 \\
  0111550401002 & 2001-06-01 & 91~601.5 & 0059140201001 & 2001-06-17 & 12~191.9 & 0051760101001 & 2001-06-17 & 7053.58 \\
  0051760201001 & 2001-06-18 & 15~740.6 & 0109470201001 & 2001-07-11 & 12~481.7 & 0137750101001 & 2001-07-29 & 17~501.8 \\
  0109100201002 & 2001-08-17 & 9935.07 & 0000110101001 & 2001-08-19 & 23~847.7 & 0089210601001 & 2001-10-11 & 54~619.6 \\
  0089210701001 & 2001-10-11 & 13~630.0 & 0089210701002 & 2001-10-11 & 22~315.9 & 0085150201002 & 2001-10-21 & 37~300.7 \\
  0085150301003 & 2001-10-21 & 31~526.0 & 0022740301001 & 2001-11-04 & 35~347.6 & 0028740101001 & 2001-11-15 & 28~144.9 \\
  0089210101001 & 2001-12-01 & 8354.39 & 0084230201001 & 2001-12-14 & 28~220.5 & 0083000301001 & 2001-12-15 & 26~436.8 \\
  0113050501001 & 2001-12-23 & 25~154.6 & 0084030101001 & 2001-12-28 & 42~853.5 & 0001930301001 & 2001-12-28 & 24~582.5 \\
  0106860201001 & 2001-12-28 & 15~353.4 & 0002740301001 & 2001-12-29 & 6847.05 & 0093200101002 & 2001-12-29 & 39~631.2 \\
  0084140501002 & 2002-02-04 & 17~436.3 & 0065820101001 & 2002-02-27 & 49~238.9 & 0011420201001 & 2002-03-17 & 40~687.2 \\
  0110661601002 & 2002-03-19 & 7267.89 & 0058940101002 & 2002-03-20 & 27~788.2 & 0136000101002 & 2002-04-17 & 17~691.4 \\
  0033540601001 & 2002-05-11 & 5224.01 & 0059140901001 & 2002-05-22 & 15~889.5 & 0082140301001 & 2002-05-22 & 32~887.9 \\
  0094360601001 & 2002-05-23 & 8236.27 & 0041750101001 & 2002-06-15 & 51~641.7 & 0134521601011 & 2002-06-18 & 11~043.9 \\
  0134521601003 & 2002-06-18 & 24~111.6 & 0031740101001 & 2002-06-19 & 35~180.5 & 0135745801001 & 2002-09-29 & 13~120.2 \\
  0112980401001 & 2002-09-30 & 16~528.9 & 0148850201001 & 2002-10-01 & 23~730.5 & 0089370501001 & 2002-10-01 & 22~454.5 \\
  0147511101001 & 2002-10-23 & 97~292.4 & 0150050101002 & 2002-11-26 & 23~751.9 & 0147511801001 & 2002-12-06 & 90~684.3 \\
  0112260801001 & 2002-12-07 & 13~190.8 & 0112230201001 & 2002-12-18 & 25~541.5 & 0150480501001 & 2002-12-22 & 21~904.7 \\
  0070340101002 & 2003-02-02 & 17~023.8 & 0152680801001 & 2003-02-26 & 16~371.9 & 0157360601003 & 2003-02-26 & 6618.36 \\
  0146390201001 & 2003-03-29 & 25~388.8 & 0153220601001 & 2003-05-28 & 10~902.0 & 0150680101001 & 2003-07-26 & 42~666.2 \\
  0152131201002 & 2003-08-16 & 9502.71 & 0049540301001 & 2003-08-17 & 25~734.6 & 0049540401001 & 2003-08-19 & 24~037.2 \\
  0149630301001 & 2003-09-16 & 19~768.3 & 0017740401007 & 2003-10-05 & 27~582.9 & 0017740201007 & 2003-10-09 & 17~879.9 \\
  0017740601007 & 2003-10-11 & 22~288.5 & 0017740701007 & 2003-10-13 & 21~736.3 & 0147760101001 & 2003-10-14 & 36~842.6 \\
  0017740501007 & 2003-10-20 & 26~551.5 & 0148742501001 & 2003-10-28 & 7917.18 & 0162160201002 & 2003-11-24 & 14~003.8 \\
  0162160401002 & 2003-12-06 & 10~509.2 & 0162160601002 & 2003-12-14 & 12~360.0 & 0205260201009 & 2004-01-16 & 13~440.0 \\
  0201230201001 & 2004-01-21 & 18~093.1 & 0200240301001 & 2004-04-02 & 15~255.5 & 0164560701001 & 2004-07-23 & 31~608.0 \\
  0164560901001 & 2004-09-12 & 58~437.8 & 0205970201001 & 2004-09-20 & 48~145.6 & 0206060201001 & 2004-11-03 & 31~485.3 \\
  0202610801001 & 2004-11-09 & 7179.57 & 0201440101001 & 2004-11-09 & 10~311.2 & 0202610801002 & 2004-11-09 & 17~784.4 \\
  0201903101001 & 2004-11-10 & 27~833.5 & 0201900501001 & 2004-11-12 & 27~163.9 & 0203360901001 & 2004-11-20 & 27~258.5 \\
  0203240201017 & 2004-12-04 & 18~804.6 & 0203240201001 & 2004-12-05 & 19~919.2 & 0203360101001 & 2004-12-11 & 30~644.7 \\
  0200630201001 & 2004-12-20 & 44~644.7 & 0202370301001 & 2005-01-08 & 25~837.4 & 0202130301001 & 2005-01-15 & 37~385.1 \\
  0212480701002 & 2005-06-05 & 19~008.7 & 0211280101002 & 2005-06-12 & 42~621.5 & 0304531501006 & 2005-06-22 & 15~215.0 \\
  0305920601001 & 2005-06-23 & 15~224.2 & 0304050101001 & 2005-06-30 & 69~689.5 & 0212480801001 & 2005-07-01 & 48~830.5 \\
  0302420101001 & 2005-07-08 & 85~607.2 & 0304531701002 & 2005-07-10 & 7502.96 & 0164571401001 & 2005-08-21 & 56~486.1 \\
  0300800101002 & 2005-08-31 & 45~875.7 & 0300540101001 & 2005-09-14 & 23~398.9 & 0303100101001 & 2005-09-26 & 52~629.3 \\
  0300600401001 & 2005-10-08 & 28~648.7 & 0305560101001 & 2005-10-21 & 27~595.6 & 0302310501002 & 2005-10-23 & 23~162.3 \\
  0159760301001 & 2005-11-01 & 37~543.4 & 0302351601007 & 2005-11-27 & 43~034.0 & 0302310301002 & 2005-12-18 & 43~998.8 \\
  0303560201001 & 2005-12-19 & 6516.42 & & & & & & \\ 
  \hline
\end{tabular}
\end{table}