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arXiv · 2308.13829

Baikal-GVD Real-Time Data Processing and Follow-Up Analysis of GCN Notices

V. M. Aynutdinov·V. A. Allakhverdyan·A. D. Avrorin·A. V. Avrorin·Z. Bardačová·I. A. Belolaptikov·E. A. Bondarev·I. V. Borina·N. M. Budnev·V. A. Chadymov·A. S. Chepurnov·V. Y. Dik·G. V. Domogatsky·A. A. Doroshenko·R. Dvornický·A. N. Dyachok·Zh. -A. M. Dzhilkibaev·E. Eckerová·T. V. Elzhov·L. Fajt·V. N. Fomin·A. R. Gafarov·K. V. Golubkov·N. S. Gorshkov·T. I. Gress·K. G. Kebkal·I. V. Kharuk·E. V. Khramov·M. M. Kolbin·S. O. Koligaev·K. V. Konischev·A. V. Korobchenko·A. P. Koshechkin·V. A. Kozhin·M. V. Kruglov·V. F. Kulepov·Y. E. Lemeshev·M. B. Milenin·R. R. Mirgazov·D. V. Naumov·A. S. Nikolaev·D. P. Petukhov·E. N. Pliskovsky·M. I. Rozanov·E. V. Ryabov·G. B. Safronov·D. Seitova·B. A. Shaybonov·M. D. Shelepov·S. D. Shilkin·E. V. Shirokov·F. Šimkovic·A. E. Sirenko·A. V. Skurikhin·A. G. Solovjev·M. N. Sorokovikov·I. Štekl·A. P. Stromakov·O. V. Suvorova·V. A. Tabolenko·B. B. Ulzutuev·Y. V. Yablokova·D. N. Zaborov·S. I. Zavyalov·D. Y. Zvezdov
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Abstract

The Baikal-GVD alert system was launched at the beginning of 2021. There are alerts for muon neutrinos (long upward-going track-like events) and all-flavour neutrinos (high-energy cascades). The system is able to get a preliminary response to external alerts with a temporal delay of about 3-10 minutes. The Baikal-GVD data processing and the results of the follow-up procedure are described. We report on the analysis of the coincidence in time and direction between the Baikal-GVD cascade GVD20211208CA with an estimated energy of 43 TeV and the announced alert IceCube211208A possibly associated with a flaring state of the blazar PKS 0735+178.

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V. M. Aynutdinov, V. A. Allakhverdyan, A. D. Avrorin, A. V. Avrorin, Z. Bardačová, I. A. Belolaptikov, E. A. Bondarev, I. V. Borina, N. M. Budnev, V. A. Chadymov, A. S. Chepurnov, V. Y. Dik, G. V. Domogatsky, A. A. Doroshenko, R. Dvornický, A. N. Dyachok, Zh. -A. M. Dzhilkibaev, E. Eckerová, T. V. Elzhov, L. Fajt, V. N. Fomin, A. R. Gafarov, K. V. Golubkov, N. S. Gorshkov, T. I. Gress, K. G. Kebkal, I. V. Kharuk, E. V. Khramov, M. M. Kolbin, S. O. Koligaev, K. V. Konischev, A. V. Korobchenko, A. P. Koshechkin, V. A. Kozhin, M. V. Kruglov, V. F. Kulepov, Y. E. Lemeshev, M. B. Milenin, R. R. Mirgazov, D. V. Naumov, A. S. Nikolaev, D. P. Petukhov, E. N. Pliskovsky, M. I. Rozanov, E. V. Ryabov, G. B. Safronov, D. Seitova, B. A. Shaybonov, M. D. Shelepov, S. D. Shilkin, E. V. Shirokov, F. Šimkovic, A. E. Sirenko, A. V. Skurikhin, A. G. Solovjev, M. N. Sorokovikov, I. Štekl, A. P. Stromakov, O. V. Suvorova, V. A. Tabolenko, B. B. Ulzutuev, Y. V. Yablokova, D. N. Zaborov, S. I. Zavyalov, D. Y. Zvezdov. 2023-08-26. Baikal-GVD Real-Time Data Processing and Follow-Up Analysis of GCN Notices. https://doi.org/10.22323/1.444.1458

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