GW190814

Virgo and LIGO spot a mystery object merging with a black hole For a long time astronomers have puzzled over the lack of observations of compact objects with masses ranging from 2.5 up to 5 solar masses. This mysterious grey area is known as the ‘mass gap’: a range of...

GW190412

The merger of two black holes with unequal masses The third LIGO-Virgo observing period (O3) is offering new insights into the late inspiral and merger phase of binary black hole (BBH) systems. The first gravitational wave event GW150914, detected back in 2015,...

Previous EGO-Virgo News

Virgo new spokesperson

Virgo new spokesperson

Giovanni Losurdo, research director at the Institute for Nuclear Physics (INFN) in Italy, has been appointed as the new Spokesperson of the Virgo Collaboration. From 2009 to 2017, he was Project...

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LIGO-Virgo O3 suspended

LIGO-Virgo O3 suspended

The LIGO Scientific Collaboration and the Virgo Collaboration (the LVC) have agreed to suspend their third observation period, named O3, which has been running since the 1st of April, 2019. The...

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GW190425

GW190425

On April the 25th, 2019, the network of gravitational-wave (GW) detectors formed by the European Advanced Virgo, in Italy, and the two Advanced LIGO, in the US, detected a signal, named GW190425....

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O3 restarts

O3 restarts

Advanced Virgo and the two Advanced LIGO detectors resume the taking of science data on the 1st of November, 2019, following a one-month-long stop. This event marks the restart of the third...

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O3 – The story so far

O3 – The story so far

Advanced Virgo and the two Advanced LIGO detectors have been taking science data continuously since the 1st of April, 2019, when they began their third observation period, named O3. Together, they form the most sensitive global gravitational-wave observatory to date.

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VIRGO, LIGO and KAGRA sign agreement to begin joint observation

VIRGO, LIGO and KAGRA sign agreement to begin joint observation

The world’s three principal gravitational-wave detectors – LIGO in the US, VIRGO* in Italy, and now KAGRA in Japan – have today, the 4th of October, 2019, signed a memorandum of agreement (MoA) that covers scientific collaboration. The agreement includes the joint observation of gravitational waves and the sharing of data over the coming years, while it also foresees the expansion of the collaboration through the welcoming of new partners in the future.

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