Virgo interferometer: Difference between revisions

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{{use dmy dates |date=February 2024}}
{{Infobox organization
| name = The Virgo experiment
| image = Logo-virgo.png
| map2 = Member countries of the Virgo scientific collaboration.svg
| map2_caption = {{legend|#006ba8|Country with institutions contributing to EGO and the Virgo Collaboration}} {{legend|#19a9ff|Country with institutions contributing to the Virgo Collaboration}}
| formation = 1993
| type = International scientific collaboration
| tax_id = <!-- or | vat_id = (for European organizations) -->
| registration_id = <!-- for non-profit org -->
| status =
| purpose = [[Gravitational wave]] detection
| headquarters = [[European Gravitational Observatory]]
| location = [[Santo Stefano a Macerata]], [[Cascina]]
| coords = {{coord|43.6313|10.5045|type:landmark_region:IT_dim:3000|display=inline,title}}
| region = [[Italy]]
| fields = Basic research
| owner = <!-- or | owners = -->
| leader_title = Spokesperson
| leader_name = Gianluca Gemme
| affiliations = LVK (LIGO-Virgo-KAGRA collaboration)
| budget = About ten million [[euro]]s per year
| staff = Around 850 people participate in the Virgo Collaboration
| website = {{URL|https://www.virgo-gw.eu/}}
| pushpin_map = Italy
}}
{{Broader|Ground-based interferometric gravitational-wave search|topic=detectors like Virgo}}
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The Virgo experiment is managed by the [[European Gravitational Observatory]] (EGO) consortium, which was created in December 2000 by the [[French National Centre for Scientific Research]] (CNRS) and the [[Istituto Nazionale di Fisica Nucleare]] (INFN).<ref>{{cite web |title=Communique de presse – Le CNRS signe l'accord franco-italien de création du consortium EGO European Gravitational Observatory |trans-title=Press release - The CNRS signs the franco-italian agreement on the creation of the EGO (European Gravitational Observatory) consortium. |url=http://www.cnrs.fr/cw/fr/pres/compress/Ego.htm |url-status=dead |archive-url=https://web.archive.org/web/20160305011822/http://www.cnrs.fr/cw/fr/pres/compress/Ego.htm |archive-date=2016-03-05 |access-date=2016-02-11 |website=Cnrs.fr |language=fr}}</ref> [[Nikhef]], the Dutch Institute for Nuclear and High-Energy Physics, later joined as an observer and eventually became a full member. EGO is responsible for the Virgo site and is in charge of the construction, maintenance, and operation of the detector and its upgrades. One of EGO's goals is to promote research on, and studies of, [[gravity]] in Europe.<ref name="ego-mission" />
 
The Virgo Collaboration consolidates all the researchers working on various aspects of the detector. About 850 members, representing 142 institutions in 16 countries, were part of the collaboration in May 2023.<ref name="collaboration-members" /><ref>{{Cite web |title=Gravitational wave detectors prepare for next observing run – Virgo |url=https://www.virgo-gw.eu/news/gravitational-wave-detectors-prepare-for-next-observing-run/ |access-date=2023-05-04 |website=www.virgo-gw.eu}}</ref> This includes institutions in France, Italy, the Netherlands, Poland, Spain, Belgium, Germany, Hungary, Portugal, Greece, Czechia, Denmark, Ireland, Monaco, China, and Japan.<ref>{{cite web |title=The Virgo Institutions |url=https://apps.virgo-gw.eu/vmd/public/institutions |access-date=2023-10-11 |website=virgo-gw.eu |publisher=The Virgo Collaboration}}</ref>
 
The Virgo Collaboration is part of the larger LIGO-Virgo-KAGRA (LVK) Collaboration, which gathers scientists from the other major gravitational-waves experiment to jointly analyze the data; this is crucial for gravitational-wave detection.<ref>{{Cite web |title=Scientific Collaboration – Virgo |url=https://www.virgo-gw.eu/about/scientific-collaboration/ |access-date=2023-03-31 |website=www.virgo-gw.eu}}</ref> LVK began in 2007<ref name="dcc.ligo.org">{{Cite web |title=LIGO-M060038-v5: Memorandum of Understanding (MoU) Between VIRGO and LIGO |url=https://dcc.ligo.org/LIGO-M060038/public |access-date=2023-07-04 |website=dcc.ligo.org}}</ref> as the LIGO-Virgo Collaboration, and was expanded when KAGRA joined in 2019.<ref>{{Cite web |title=LIGO Scientific Collaboration - Learn about the LSC |url=https://www.ligo.org/about.php |access-date=2023-03-31 |website=www.ligo.org}}</ref><ref>{{Cite web |title=KAGRA to Join LIGO and Virgo in Hunt for Gravitational Waves |url=https://www.ligo.caltech.edu/news/ligo20191004 |access-date=2023-07-04 |website=LIGO Lab {{!}} Caltech}}</ref>