PyCon X


2-5 maggio 2019

Python, Gravitational Waves and the Dawn of Multimessenger Astrophysics

Following a multi-year upgrade programme and several months of commissioning, the Advanced Virgo detector joined the LIGO Observation Run 2 (O2) data-taking period on the 1st of August 2017. On August 14, Advanced LIGO and Advanced Virgo detected the first triple-coincident merger of a binary black hole system, demonstrating the best-ever localization of gravitational-wave source on the sky. Three days later, the same detectors recorded for the first time the signal from a merger of a binary neutron star system. Counterparts of the event were also observed in all bands of the electromagnetic spectrum. This represents the first time that a cosmic event has been viewed in both gravitational waves and light and marks the beginning of multimessenger astrophysics. In this talk I will present an overview on the Advanced Virgo detector focusing on the role that it has played in this stream of discoveries and on the challenges we are still facing on the current upgrade and commissioning phases. I will also provide a general overview on the different uses of Python within the Virgo Projects highlighting its current use for the detector supervisory control automation, slow sample rate data acquisition and control room user interfaces development.

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