O2
E730524
O2 is the second observing run of the LIGO–Virgo gravitational-wave detectors, during which multiple gravitational-wave events from compact binary mergers were detected.
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
LIGO–Virgo observing run
ⓘ
observing run ⓘ |
| aim |
detection of gravitational waves from compact binary mergers
ⓘ
improvement of detector sensitivity over O1 ⓘ |
| alternateName | LIGO–Virgo O2 observing run NERFINISHED ⓘ |
| collaboration | LIGO Scientific Collaboration and Virgo Collaboration NERFINISHED ⓘ |
| dataRelease |
GWTC-1 catalog
ⓘ
subsequent reanalyses with additional candidate events ⓘ |
| detects |
binary black hole mergers
ⓘ
binary neutron star merger GW170817 NERFINISHED ⓘ |
| duration | approximately 9 months ⓘ |
| endDate | 2017-08-25 ⓘ |
| feature | first observing run including Advanced Virgo for part of the run ⓘ |
| followedByUpgrade | detector improvements leading to O3 sensitivity ⓘ |
| follows | O1 ⓘ |
| hasEvent |
GW151226 reanalysis and additional events reported in O2 catalogs
ⓘ
GW170104 NERFINISHED ⓘ GW170608 NERFINISHED ⓘ GW170814 NERFINISHED ⓘ GW170817 NERFINISHED ⓘ |
| location |
Cascina, Italy
NERFINISHED
ⓘ
Hanford, Washington, United States NERFINISHED ⓘ Livingston, Louisiana, United States NERFINISHED ⓘ |
| notableFor |
first detection of a binary neutron star merger
ⓘ
first multi-messenger observation of a gravitational-wave source ⓘ first three-detector gravitational-wave observation (GW170814) NERFINISHED ⓘ |
| operatedBy |
LIGO Scientific Collaboration
NERFINISHED
ⓘ
Virgo Collaboration NERFINISHED ⓘ |
| partOf |
Advanced LIGO era
ⓘ
LIGO–Virgo Collaboration observing program NERFINISHED ⓘ |
| precededByUpgrade | Advanced LIGO detector commissioning NERFINISHED ⓘ |
| precedes | O3 ⓘ |
| publication |
GW170817 discovery paper
NERFINISHED
ⓘ
LIGO–Virgo GWTC-1 catalog paper NERFINISHED ⓘ |
| result |
constraints on the speed of gravity from GW170817 and its electromagnetic counterpart
ⓘ
improved constraints on compact binary merger rates ⓘ measurement of Hubble constant using GW170817 as a standard siren ⓘ tests of general relativity in the strong-field regime ⓘ |
| scientificDiscipline |
astrophysics
ⓘ
gravitational-wave astronomy ⓘ |
| startDate | 2016-11-30 ⓘ |
| temporalContext | Advanced LIGO second observing run NERFINISHED ⓘ |
| usesDetector |
Advanced LIGO Hanford Observatory
NERFINISHED
ⓘ
Advanced LIGO Livingston Observatory NERFINISHED ⓘ Advanced Virgo detector NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.