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The first six months of the Advanced LIGO's and Advanced Virgo's third observing run with GRANDMA

AuthorsAntier, S.; Agayeva, S.; Aivazyan, V.; Alishov, S.; Arbouch, E.; Baransky, A.; Barynova, K.; Bai, J. M.; Basa, S.; Beradze, S.; Bertin, E.; Berthier, J.; Blažek, M.; Boer, M.; Burkhonov, O.; Burrell, A.; Cailleau, A.; Chabert, B.; Chen, J. C.; Christensen, N.; Coleiro, A.; Cordier, B.; Corre, D.; Coughlin, M. W.; Coward, D.; Crisp, H.; Delattre, C.; Dietrich, T.; Ducoin, J. -G.; Duverne, P. -A.; Marchal-Duval, G.; Gendre, B.; Eymar, L.; Fock-Hang, P.; Han, X.; Hello, P.; Howell, E. J.; Inasaridze, R.; Ismailov, N.; Kann, D. A.; Kapanadze, G.; Klotz, A.; Kochiashvili, N.; Lachaud, C.; Leroy, N.; Le Van Su, A.; Lin, W. L.; Li, W. X.; Lognone, P.; Marron, R.; Mo, J.; Moore, J.; Natsvlishvili, R.; Noysena, K.; Perrigault, S.; Peyrot, A.; Samadov, D.; Sadibekova, T.; Simon, A.; Stachie, C.; Teng, J. P.; Thierry, P.; Thöne, Cristina Carina ; Tillayev, Y.; Turpin, D.; Ugarte Postigo, Antonio de ; Vachier, F.; Vardosanidze, M.; Vasylenko, V.; Vidadi, Z.; Wang, X. F.; Wang, C. J.; Wei, J.; Yan, S. Y.; Zhang, J. C.; Zhang, J. J.; Zhang, X. H.
KeywordsGravitational waves
Methods: observational
Stars: neutron
Issue Date2020
PublisherOxford University Press
CitationMonthly Notices of the Royal Astronomical Society 492(3): 3904-3927 (2020)
AbstractWe present the Global Rapid Advanced Network Devoted to the Multi-messenger Addicts (GRANDMA). The network consists of 21 telescopes with both photometric and spectroscopic facilities. They are connected together thanks to a dedicated infrastructure. The network aims at coordinating the observations of large sky position estimates of transient events to enhance their follow-up and reduce the delay between the initial detection and optical confirmation. The GRANDMA programme mainly focuses on follow-up of gravitational-wave alerts to find and characterize the electromagnetic counterpart during the third observational campaign of the Advanced LIGO and Advanced Virgo detectors. But it allows for follow-up of any transient alerts involving neutrinos or gamma-ray bursts, even those with poor spatial localization. We present the different facilities, tools, and methods we developed for this network and show its efficiency using observations of LIGO/Virgo S190425z, a binary neutron star merger candidate.We furthermore report on allGRANDMAfollow-up observations performed during the first six months of the LIGO-Virgo observational campaign, and we derive constraints on the kilonova properties assuming that the events' locations were imaged by our telescopes. © 2019 The Author(s).
Publisher version (URL)http://dx.doi.org/10.1093/mnras/stz3142
Identifiersdoi: 10.1093/mnras/stz3142
e-issn: 1365-2966
issn: 0035-8711
Appears in Collections:(IAA) Artículos
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