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DetChar (General)
takahiro.yamamoto - 19:15 Sunday 20 July 2025 (34607) Print this report
List of Exit from Science mode.
Though lockloss list is being provided on O4c break page, it's not so useful for evaluation of observing run because this list was not a down from science mode.
So a list of exiting from science mode was prepared in O4c page by resuming a process working during O4a.

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Lockloss list in O4c break page is provided by guardian as semi-real-time process and it contains all events that LSC_LOCK guardian goes to LOCKLOSS state is triggered. So this list contains a lockloss during the lock acquisition and various commissioning activities and it's sometimes useful to evaluate stability of IFO, problems on lock acquisition scheme, and so on. On the other hand, a part of deviations from Science mode e.g. turning OFF OBS_INTENT bit are not trigerred because LSC_LOCK guardian doesn't go to LOCKLOSS state in those cases, and it's not suitable to evaluate observing run.

Lockloss list in O4c page focuses only on observing run and it contains only exitence from Science mode. Because it's running as offline process (~15min. delays), deeper analysis can be done than guardian process. So some lockloss events from Science-mode is tagged, which was not tagged by guardian process (e.g. EQs at far sites is difficult to evaluate with very short duration data in guardian).

Difference of tagged labels between online and offline processes is as follows.
Labels are added on 54 events which contains 35 no-tagged events by online process.
(There was no missing tags which was detected on the online process by the offline process.)
3   1433657839.0625: ['OVF_MCE'] => ['OVF_OMC', 'OVF_MCE']
6 1433675112.4375: ['1Hz'] => ['EQ', '1Hz']
7 1433695889.0625: [] => ['OVF_OMC']
20 1433875149.6875: ['1Hz'] => ['EQ', '1Hz']
26 1433933333.5625: ['1Hz'] => ['EQ', '1Hz']
30 1433971924.9375: [] => ['1Hz']
37 1434212989.0625: [] => ['OVF_OMC']
40 1434374019.4375: ['ISC_WD_L', '1Hz'] => ['ISC_WD_L', 'EQ', '1Hz']
41 1434387620.6875: [] => ['EQ']
45 1434605747.0625: ['OVF_MCE', 'OVF_BS'] => ['OVF_OMC', 'OVF_BS']
47 1434615507.3125: ['1Hz'] => ['EQ', '1Hz']
51 1435096680.6875: [] => ['1Hz']
52 1435101268.0625: ['ISC_WD_L', 'OVF_MCE', 'OVF_BS', '1Hz'] => ['OVF_OMC', 'OVF_MCE', 'ISC_WD_L', 'EQ', '1Hz']
54 1435126346.8125: [] => ['1Hz']
55 1435133379.8125: [] => ['1Hz']
58 1435186510.5625: [] => ['EQ']
59 1435194135.0625: ['1Hz'] => ['OVF_OMC', '1Hz']
61 1435216655.5625: [] => ['EQ']
63 1435244635.0625: [] => ['1Hz']
67 1435407291.0625: ['ISC_WD_L', 'OVF_MCE'] => ['OVF_OMC', 'OVF_MCE', 'ISC_WD_L']
71 1435433866.0625: [] => ['OVF_OMC', 'EQ']
72 1435450424.3125: [] => ['EQ']
73 1435469353.8125: [] => ['EQ']
78 1435506873.0625: [] => ['OVF_OMC', 'EQ']
79 1435513164.5625: [] => ['EQ']
80 1435519718.1875: [] => ['OVF_OMC']
87 1435687464.8125: [] => ['EQ']
88 1435690226.0625: [] => ['OVF_OMC', 'EQ']
89 1435700102.9375: [] => ['EQ']
92 1435781249.5625: [] => ['EQ']
93 1435808912.3125: [] => ['EQ']
95 1435813628.3125: [] => ['EQ']
96 1435848617.3125: [] => ['EQ']
97 1435868436.8125: [] => ['1Hz']
100 1435892889.3125: [] => ['EQ']
101 1435928834.4375: [] => ['EQ']
104 1435975594.0625: [] => ['EQ']
109 1436099651.4375: ['1Hz'] => ['EQ', '1Hz']
117 1436387957.5625: [] => ['EQ']
119 1436438934.0625: ['1Hz'] => ['OVF_OMC', 'EQ', '1Hz']
122 1436503096.9375: [] => ['EQ']
123 1436507889.3125: ['1Hz'] => ['EQ', '1Hz']
124 1436520050.1875: ['ISC_WD_L'] => ['OVF_OMC', 'ISC_WD_L']
126 1436538988.0625: ['OVF_MCE'] => ['OVF_OMC', 'OVF_MCE']
131 1436626096.3125: ['1Hz'] => ['EQ', '1Hz']
132 1436635304.4375: [] => ['EQ']
133 1436670587.4375: [] => ['OVF_OMC']
136 1436733981.1875: ['1Hz'] => ['EQ', '1Hz']
139 1436776659.4375: [] => ['OVF_OMC']
145 1436953901.4375: [] => ['OVF_OMC']
147 1436973247.0625: ['ISC_WD_L', 'OVF_MCE'] => ['OVF_OMC', 'OVF_MCE', 'ISC_WD_L']
148 1436977262.9375: [] => ['EQ']
149 1436998450.1875: [] => ['EQ']
151 1437025844.0625: ['OVF_MCE'] => ['OVF_OMC', 'OVF_MCE', 'EQ', '1Hz']
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