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                    Manne Siegbahn Memorial Lecture 2017:

 

        “Searching for – and finding! gravitational waves”

 

        Date:

    Download-files:

      Time:

  Thursday, 20. Oct. 2016

    Video-Recording for any system with MP4-support

 

       -   Video.mp4  (ca.561 Mb)

 

 15:15 – 16:25

 

                                                 Speaker: Gabriela Gonzalez

               (Louisiana State University, for the LIGO Scientific Collaboration and the Virgo Collaboration)

 

Abstract :

On September 14 2015, the two LIGO gravitational wave detectors in Hanford,

Washington and Livingston, Louisiana registered a nearly simultaneous signal with

time-frequency properties consistent with gravitational-wave emission by the merger

of two massive compact objects. Further analysis of the signals by the LIGO Scientific

Collaboration and the Virgo Collaboration revealed that the gravitational waves detected

by LIGO came from the merger of a binary black hole (BBH) system.

This observation, followed by another one in December 2015, marked the beginning of

gravitational wave astronomy.

I will describe some details of the observation, the status of LIGO and Virgo ground-based interferometric detectors, and prospects for future observations.

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