Timeline

Timeline technology provides instant access to time-based metadata on scales from seconds to centuries. Timeline is developed by the Gravitational Wave Open Science Center, which is supported by the U.S. National Science Foundation.

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Welcome to Timeline. This page provides information on when LIGO was collecting science mode data, as well as data quality classifications and injection times.

Timeline Queries

• Use the Run Timeline Query Form to request any of the Run Timeline or Segment Lists.
• Use the Event Portal to access individual Events and request any of the Event Timeline or Segment Lists.

Timeline Quick Links

Some common example plots are linked below:

Science Mode Timelines

• Five detectors since 2005

Timelines from the O2 run, 2016-2017

• Three detectors over the O2 run
• Passes O2 Burst checks for H1, L1, V1
• Passes O2 CBC checks for H1, L1, V1
• Times with no Continuous-Wave injections

Timelines from the O1 run, 2015-2016

• Two detectors over the O1 run
• Passes O1 Burst checks for H1, L1
• Passes O1 CBC checks for H1, L1
• Times with no Continuous-Wave injections

Timelines from the S6 run, 2009-2010

• Two detectors over the S6 run 2009-2010
• Passes S6 burst checks for H1, L1
• Passes S6 high mass CBC checks for H1, L1
• Passes S6 low mass CBC checks for H1, L1
• Passes S6 Stochastic checks for H1, L1
• Passes S6 Continuous wave checks for H1, L1
• S6 injections

Timelines from the S5 run, 2005-2007

• Three detectors over the S5 run 2005-2007
• Passes S5 burst checks for H1, H2, L1
• Passes S5 high mass CBC checks for H1, H2, L1
• Passes S5 low mass CBC checks for H1, H2, L1
• Passes S5 Stochastic checks for H1, H2, L1
• Passes S5 Continuous wave checks for H1, H2, L1
• S5 injections except CW
• S5 CW injections