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2 results on '"Mjagkova, I. N."'

1. First results of the Lomonosov TUS and GRB experiments

Author

Biktemerova, S. V., Bogomolov, A. V., Bogomolov, V. V., Botvinko, A. A., Castro-Tirado, A. J., Gorbovskoy, E. S., Chirskaya, N. P., Eremeev, V. E., Garipov, G. K., Grebenyuk, V. M., Grinyuk, A. A., Iyudin, A. F., Jeong, S., Jeong, H. M., Jioeva, N. L., Kazarjan, P. S., Kalmykov, N. N., Kaznacheeva, M. A., Khrenov, B. A., Kim, M. B., Klimov, P. A., Kuznetsova, E. A., Lavrova, M. V., Lee, J., Lipunov, V. M., Martinez, O., Mjagkova, I. N., Panasyuk, M. I., Park, I. H., Petrov, V. L., Ponce, E., Puchkov, A. E., Salazar, H., Saprykin, O. A., Senkovsky, A. N., Sharakin, S. A., Shirokov, A. V., Svertilov, S. I., Tkachenko, A. V., Tkachev, L. G., Yashin, I. V., and Zotov, M. Yu.

Subjects
Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

On April 28, 2016, the Lomonosov satellite, equipped with a number of scientific instruments, was launched into orbit. Here we present briefly some of the results obtained with the first orbital telescope of extreme energy cosmic rays TUS and by a group of detectors aimed at multi-messenger observations of gamma-ray bursts., Comment: XXV ECRS 2016 Proceedings - eConf C16-09-04.3

Published
2017

2. Observation of Cosmic Gamma Ray Bursts in the Experiments Onboard Lomonosov and Vernov Satellites

Author

Ministry of Education and Science of the Russian Federation, Amelushkin, A. M., Barinova, V. O., Bogomolov, A. V., Bogomolov, V. V., Gorbovskoii, E. S., Jiong, S., Jiong, X. M., Iyuidin, A. F., Kalegaev, V. V., Castro-Tirado, Alberto J., Kim, M., Kornilov, V. G., Lipunov, V. M., Mjagkova, I. N., Nguen, M., Park, I., Panasyuk, M.I., Petrov, V. L., Svertilov, S. I., Shustova, A. N., Yashin, I. V., Ministry of Education and Science of the Russian Federation, Amelushkin, A. M., Barinova, V. O., Bogomolov, A. V., Bogomolov, V. V., Gorbovskoii, E. S., Jiong, S., Jiong, X. M., Iyuidin, A. F., Kalegaev, V. V., Castro-Tirado, Alberto J., Kim, M., Kornilov, V. G., Lipunov, V. M., Mjagkova, I. N., Nguen, M., Park, I., Panasyuk, M.I., Petrov, V. L., Svertilov, S. I., Shustova, A. N., and Yashin, I. V.

Abstract

The study of cosmic gamma ray bursts (GRBs) is one of the main goals of the Lomonosov space mission. The main advantage of this mission is simultaneous multiwavelength observations of GRBs covering the optical, X-ray and gamma-ray ranges. The mission payload includes the GRB monitor BDRG, wide-field optical cameras SHOK, and the UFFO instrument. Data are recorded mainly by the event trigger provided by the BDRG instrument, which measures the spectral and temporal properties of the burst in the energy range 10–3000 keV. The BDRG instrument also provides estimation of the source coordinates by comparing the readings of three differently directed detectors with an accuracy of several degrees. Wide-field SHOK optical cameras have a field of view of ~20° × 40°. They fix a set of images with a frequency of about five frames per second prior to the trigger and another set immediately after the trigger. The UFFO instrument includes the UBAT telescope with a coded mask for measurements in hard X-ray and soft gamma-ray ranges and an optical telescope with a slewing mirror (SMT) that can be directed on the GRB source for a time ~1 s for measuring GRB prompt emission in the early stages. In response to an BDRG trigger signal, the real-time data on a detected GRB are transmitted to the Earth via Globalstar network to the Gamma-ray Coordinates Network (GCN) and ground-based observatories. During observations on the Lomonosov satellite, 20 gamma-ray bursts were detected and catalogued. Several gamma-ray bursts were also detected in the Vernov satellite experiment. An example of such an event is given.

Published
2018

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