Gamma ray spectra: Bkg
| N | id | Start of acquisition | End of acquisition | Total time, s | Live time, s | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 1 | 4140 | 2006-12-25 10:05:43 | 2006-12-25 10:35:43 | 1800 | 1799.45 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 2 | 4141 | 2006-12-25 10:35:52 | 2006-12-25 11:05:52 | 1800 | 1799 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 3 | 4142 | 2006-12-25 11:06:00 | 2006-12-25 11:36:00 | 1800 | 1796.06 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 4 | 4143 | 2006-12-25 11:36:09 | 2006-12-25 12:06:09 | 1800 | 1795.02 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 5 | 4144 | 2006-12-25 12:06:17 | 2006-12-25 12:36:17 | 1800 | 1797.67 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 6 | 4145 | 2006-12-25 12:36:26 | 2006-12-25 13:06:26 | 1800 | 1795.72 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 7 | 4146 | 2006-12-25 13:06:34 | 2006-12-25 13:36:34 | 1800 | 1797.86 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 8 | 4147 | 2006-12-25 13:36:42 | 2006-12-25 14:06:42 | 1800 | 1798.96 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 9 | 4148 | 2006-12-25 14:06:51 | 2006-12-25 14:36:51 | 1800 | 1799.47 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 10 | 4149 | 2006-12-25 14:36:59 | 2006-12-25 15:06:59 | 1800 | 1799.38 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |