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Table 3
The six XMM-Newton and four Chandra observation intervals of CDFS.
| X/C | Period | Exposure |
| (1) | (2) | (3) |
|
|
||
| C1 | 2000 May–Jun. | 0.19 |
| C2 | 2000 Dec. | 0.64 |
| X1 | 2001 Jul. | 0.07 |
| X2 | 2002 Jan. | 0.36 |
| C3 | 2007 Sep.–Nov. | 0.97 |
| X3 | 2008 Jul. | 0.41 |
| X4 | 2009 Jan. | 0.68 |
| X5 | 2009 Jul. | 0.42 |
| X6 | 2010 Jan.–Feb. | 0.80 |
| C4 | 2010 Mar.–Jul. | 1.96 |
Notes. (1) XMM-Newton (X) or Chandra (C) observation intervals; (2) Period of the observation interval; (2) Exposure time in 106 s (the maximum value among the three EPIC cameras for the XMM-Newton intervals).
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