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Table 2

Partner instrument follow-up information.

Name Run Tiles per trigger Target alerts per week Triggers imaged

Palomar Transient Factory Autumn 10 1/3 1
Pi of the Sky Autumn 1 1 1
QUEST Both 3 1 5
ROTSE III Autumn 1 1 5
SkyMapper Autumn  ~9 1 3
TAROT Both 1 1 3
Zadko Telescope Autumn 5 1 2
Liverpool Telescope Autumn 1 1 1
LOFAR Autumn 1 1 2
Swift Both 5 1/4 2

Notes. Follow-up information for instruments involved in the search. Each instrument participated in either the autumn run, or both the winter and autumn runs. The column marked “Tiles per Trigger” shows how many different field locations the instrument attempted to observe for each accepted GW event candidate. The “Target Alerts Per Week” column shows that alerts were sent to PTF and Swift at a lower rate than the other observatories. The final column shows the number of GW event candidates for which each instrument collected data.

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