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

DOI: 
10.1093/mnras/stz3142
Publication date: 
01/03/2020
Main author: 
Antier, S.
IAA authors: 
Blažek, M.;Kann, D. A.;Thöne, C. C.;de Ugarte Postigo, A.
Authors: 
Antier, 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.;Boër, 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, C. C.;Tillayev, Y.;Turpin, D.;de Ugarte Postigo, A.;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.
Journal: 
Monthly Notices of the Royal Astronomical Society
Refereed: 
Yes
Publication type: 
Article
Volume: 
492
Pages: 
3904.0-3927.0
Number: 
3
Abstract: 
We 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 the optical confirmation. The GRANDMA program mainly focuses on follow-up of gravitational-wave alerts to find and characterise the electromagnetic counterpart during the third observational campaign of the Advanced LIGO and Advanced Virgo detectors. But it allows for any follow-up of transient alerts involving neutrinos or gamma-ray bursts, even with poor spatial localisation. 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 all GRANDMA follow-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.
Database: 
ADS
SCOPUS
URL: 
https://ui.adsabs.harvard.edu/#abs/2020MNRAS.492.3904A/abstract
ADS Bibcode: 
2020MNRAS.492.3904A
Keywords: 
methods: observational;Stars: neutron;Gravitational waves: Individual: S190425z