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1. Ready for O4 II: GRANDMA Observations of Swift GRBs during eight-weeks of Spring 2022

Author

Melo, I. Tosta e, Ducoin, J. -G., Vidadi, Z., Andrade, C., Rupchandani, V., Agayeva, S., Abdelhadi, J., Abe, L., Aguerre-Chariol, O., Aivazyan, V., Alishov, S., Antier, S., Bai, J. -M., Baransky, A., Bednarz, S., Bendjoya, Ph., Benkhaldoun, Z., Beradze, S., Bizouard, M. A., Bhardwaj, U., Blazek, M., Boër, M., Broens, E., Burkhonov, O., Christensen, N., Cooke, J., Corradi, W., Coughlin, M. W., Culino, T., Daigne, F., Dornic, D., Duverne, P. -A., Ehgamberdiev, S., Eymar, L., Fouad, A., Freeberg, M., Gendre, B., Guo, F., Gokuldass, P., Guessoum, N., Gurbanov, E., Hainich, R., Hasanov, E., Hello, P., Inasaridze, R., Iskandar, A., Ismailov, N., Janati, A., Laz, T. Jegou du, Kann, D. A., Karpov, S., Kiendrebeogo, R. W., Klotz, A., Kneip, R., Kochiashvili, N., Kaeouach, A., Kruiswijk, K., Lamoureux, M., Leroy, N., Lin, W. L., Mao, J., Marchais, D., Mašek, M., Midavaine, T., Moller, A., Morris, D., Natsvlishvili, R., Navarete, F., Guelbenzu, A Nicuesa, Noonan, K., Noysena, K., Oksanen, A., Orange, N. B., Pellouin, C., Peloton, J., Peng, H. W., Pilloix, M., Popowicz, A., Pradier, T., Pyshna, O., Raaijmakers, G., Rajabov, Y., Rau, A., Rinner, C., Rivet, J. -P., Ryh, A. S., Sabil, M., Sadibekova, T., Sasaki, N., Serrau, M., Simon, A., Shokry, A., Smith, K., Sokoliuk, O., Song, X., Takey, A., Thierry, P., Tillayev, Y., Turpin, D., Postigo, A. de Ugarte, Vasylenko, V., Vernet, D., Wang, L., Vachier, F., Vignes, J. P., Wang, X. F., Zeng, X., Zhang, J., and Zhu, Y.

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

We present a campaign designed to train the GRANDMA network and its infrastructure to follow up on transient alerts and detect their early afterglows. In preparation for O4 II campaign, we focused on GRB alerts as they are expected to be an electromagnetic counterpart of gravitational-wave events. Our goal was to improve our response to the alerts and start prompt observations as soon as possible to better prepare the GRANDMA network for the fourth observational run of LIGO-Virgo-Kagra (which started at the end of May 2023), and future missions such as SM. To receive, manage and send out observational plans to our partner telescopes we set up dedicated infrastructure and a rota of follow-up adcates were organized to guarantee round-the-clock assistance to our telescope teams. To ensure a great number of observations, we focused on Swift GRBs whose localization errors were generally smaller than the GRANDMA telescopes' field of view. This allowed us to bypass the transient identification process and focus on the reaction time and efficiency of the network. During 'Ready for O4 II', 11 Swift/INTEGRAL GRB triggers were selected, nine fields had been observed, and three afterglows were detected (GRB 220403B, GRB 220427A, GRB 220514A), with 17 GRANDMA telescopes and 17 amateur astronomers from the citizen science project Kilonova-Catcher. Here we highlight the GRB 220427A analysis where our long-term follow-up of the host galaxy allowed us to obtain a photometric redshift of $z=0.82\pm0.09$, its lightcurve elution, fit the decay slope of the afterglows, and study the properties of the host galaxy.

Published
2023

2. Multi-band analyses of the bright GRB 230812B and the associated SN2023pel

Author

Hussenot-Desenonges, T., Wouters, T., Guessoum, N., Abdi, I., Abulwfa, A., Adami, C., Fernández, J. F. Agüí, Ahumada, T., Aivazyan, V., Akl, D., Anand, S., Andrade, C. M., Antier, S., Ata, S. A., D'Avanzo, P., Azzam, Y. A., Baransky, A., Basa, S., Blazek, M., Bendjoya, P., Beradze, S., Boumis, P., Bremer, M., Brivio, R., Buat, V., Bulla, M., Burkhonov, O., Burns, E., Cenko, S. B., Corradi, W., Coughlin, M. W., Daigne, F., Dietrich, T., Dornic, D., Ducoin, J. -G., Duverne, P. -A., Elhosseiny, E. G., Elnagahy, F. I., El-Sadek, M. A., Ferro, M., Floc'h, E. Le, Freeberg, M., Fynbo, J. P. U., Götz, D., Gurbanov, E., Hamed, G. M., Hasanov, E., Healy, B. F., Heintz, K. E., Hello, P., Inasaridze, R., Iskandar, A., Ismailov, N., Izzo, L., Jhawar, S., Laz, T. Jegou du, Kamel, T. M., Karpov, S., Klotz, A., Koulouridis, E., Kuin, N. P., Kochiashvili, N., Leonini, S., Lu, K. -X., Malesani, D. B., Masek, M., Mao, J., Melandri, A., Mihov, B. M., Natsvlishvili, R., Navarete, F., Nedora, V., Nicolas, J., Odeh, M., Palmerio, J., Pang, P. T. H., De Pasquale, M., Peng, H. W., Pormente, S., Peloton, J., Pradier, T., Pyshna, O., Rajabov, Y., Rakotondrainibe, N. A., Rivet, J. -P., Rousselot, L., Saccardi, A., Sasaki, N., Schneider, B., Serrau, M., Shokry, A., Slavcheva-Mihova, L., Simon, A., Sokoliuk, O., Srinivasaragavan, G., Strausbaugh, R., Tanvir, N. R., Takey, A., Thöne, C. C., Tillayev, Y., Melo, I. Tosta e, Turpin, D., Postigo, A. de Ugarte, Vasylenko, V., Vergani, S. D., Vidadi, Z., Xu, D., Wang, L. T., Wang, X. F., Winters, J. M., Zhang, X -L., and Zhu, Z.

Subjects
Astrophysics - High Energy Astrophysical Phenomena
Abstract

GRB~230812B is a bright and relatively nearby ($z =0.36$) long gamma-ray burst (GRB) that has generated significant interest in the community and has thus been observed over the entire electromagnetic spectrum. We report over 80 observations in X-ray, ultraviolet, optical, infrared, and sub-millimeter bands from the GRANDMA (Global Rapid Advanced Network for Multi-messenger Addicts) network of observatories and from observational partners. Adding complementary data from the literature, we then derive essential physical parameters associated with the ejecta and external properties (i.e. the geometry and environment) of the GRB and compare with other analyses of this event. We spectroscopically confirm the presence of an associated supernova, SN2023pel, and we derive a photospheric expansion velocity of v $\sim$ 17$\times10^3$ km s$^{-1}$. We analyze the photometric data first using empirical fits of the flux and then with full Bayesian Inference. We again strongly establish the presence of a supernova in the data, with a maximum (pseudo-)bolometric luminosity of $5.75 \times 10^{42}$ erg/s, at $15.76^{+0.81}_{-1.21}$ days (in the observer frame) after the trigger, with a half-max time width of 22.0 days. We compare these values with those of SN1998bw, SN2006aj, and SN2013dx. Our best-fit model favours a very low density environment ($\log_{10}({n_{\rm ISM}/{\rm cm}^{-3}}) = -2.38^{+1.45}_{-1.60}$) and small values for the jet's core angle $\theta_{\rm core} = 1.54^{+1.02}_{-0.81} \ \rm{deg}$ and viewing angle $\theta_{\rm obs} = 0.76^{+1.29}_{-0.76} \ \rm{deg}$. GRB 230812B is thus one of the best observed afterglows with a distinctive supernova bump.

Published
2023

3. GRANDMA and HXMT Observations of GRB 221009A -- the Standard-Luminosity Afterglow of a Hyper-Luminous Gamma-Ray Burst

Author

Kann, D. A., Agayeva, S., Aivazyan, V., Alishov, S., Andrade, C. M., Antier, S., Baransky, A., Bendjoya, P., Benkhaldoun, Z., Beradze, S., Berezin, D., Boër, M., Broens, E., Brunier, S., Bulla, M., Burkhonov, O., Burns, E., Chen, Y., Chen, Y. P., Conti, M., Coughlin, M. W., Cui, W. W., Daigne, F., Delaveau, B., Devillepoix, H. A. R., Dietrich, T., Dornic, D., Dubois, F., Ducoin, J. -G., Durand, E., Duverne, P. -A., Eggenstein, H. -B., Ehgamberdiev, S., Fouad, A., Freeberg, M., Froebrich, D., Ge, M. Y., Gervasoni, S., Godunova, V., Gokuldass, P., Gurbanov, E., Han, D. W., Hasanov, E., Hello, P., Hussenot-Desenonges, T., Inasaridze, R., Iskandar, A., Ismailov, N., Janati, A., Laz, T. Jegou du, Jia, S. M., Karpov, S., Kaeouach, A., Kiendrebeogo, R. W., Klotz, A., Kneip, R., Kochiashvili, N., Kunert, N., Lekic, A., Leonini, S., Li, C. K., Li, W., Li, X. B., Liao, J. Y., Logie, L., Lu, F. J., Mao, J., Marchais, D., Ménard, R., Morris, D., Natsvlishvili, R., Nedora, V., Noonan, K., Noysena, K., Orange, N. B., Pang, P. T. H., Peng, H. W., Pellouin, C., Peloton, J., Pradier, T., Pyshna, O., Rajabo, Y., Rau, S., Rinner, C., Rivet, J. -P., Romanov, F. D., Rosi, P., Rupchandani, V. A., Serrau, M., Shokry, A., Simon, A., Smith, K., Sokoliuk, O., Soliman, M., Song, L. M., Takey, A., Tillayev, Y., Ramirez, L. M. Tinjaca, Melo, I. Tosta e, Turpin, D., Postigo, A. de Ugarte, Vanaverbeke, S., Vasylenko, V., Vernet, D., Vidadi, Z., Wang, C., Wang, J., Wang, L. T., Wang, X. F., Xiong, Shaolin L., Xu, Y. P., Xue, W. C., Zeng, X., Zhang, S. N., Zhao, H. S., and Zhao, X. F.

Subjects
Astrophysics - High Energy Astrophysical Phenomena
Abstract

GRB 221009A is the brightest Gamma-Ray Burst (GRB) detected in more than 50 years of study. In this paper, we present observations in the X-ray and optical domains after the GRB obtained by the GRANDMA Collaboration (which includes observations from more than 30 professional and amateur telescopes) and the Insight-HXMT Collaboration. We study the optical afterglow with empirical fitting from GRANDMA+HXMT data, augmented with data from the literature up to 60 days. We then model numerically, using a Bayesian approach, the GRANDMA and HXMT-LE afterglow observations, that we augment with Swift-XRT and additional optical/NIR observations reported in the literature. We find that the GRB afterglow, extinguished by a large dust column, is most likely behind a combination of a large Milky-Way dust column combined with moderate low-metallicity dust in the host galaxy. Using the GRANDMA+HXMT-LE+XRT dataset, we find that the simplest model, where the observed afterglow is produced by synchrotron radiation at the forward external shock during the deceleration of a top-hat relativistic jet by a uniform medium, fits the multi-wavelength observations only moderately well, with a tension between the observed temporal and spectral evolution. This tension is confirmed when using the extended dataset. We find that the consideration of a jet structure (Gaussian or power-law), the inclusion of synchrotron self-Compton emission, or the presence of an underlying supernova do not improve the predictions, showing that the modelling of GRB22109A will require going beyond the most standard GRB afterglow model. Placed in the global context of GRB optical afterglows, we find the afterglow of GRB 221009A is luminous but not extraordinarily so, highlighting that some aspects of this GRB do not deviate from the global known sample despite its extreme energetics and the peculiar afterglow evolution., Comment: Accepted to ApJL for the special issue, 37 pages, 23 pages main text, 6 tables, 13 figures

Published
2023
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4. The GRANDMA network in preparation for the fourth gravitational-wave observing run

Author

Agayeva, S., Aivazyan, V., Alishov, S., Almualla, M., Andrade, C., Antier, S., Bai, J. -M., Baransky, A., Basa, S., Bendjoya, P., Benkhaldoun, Z., Beradze, S., Berezin, D., Bhardwaj, U., Blazek, M., Burkhonov, O., Burns, E., Caudill, S., Christensen, N., Colas, F., Coleiro, A., Corradi, W., Coughlin, M. W., Culino, T., Darson, D., Datashvili, D., Dietrich, T., Dolon, F., Dornic, D., Dubouil, J., Ducoin, J. -G., Duverne, P. -A., Esamdin, A., Fouad, A., Guo, F., Godunova, V., Gokuldass, P., Guessoum, N., Gurbanov, E., Hainich, R., Hasanov, E., Hello, P., Hussenot-Desenonges, T., Inasaridze, R., Iskandar, A., Ishida, E. E. O., Ismailov, N., Laz, T. Jegou du, Kann, D. A., Kapanadze, G., Karpov, S., Kiendrebeogo, R. W., Klotz, A., Kochiashvili, N., Kaeouach, A., Kneib, J. -P., Kou, W., Kruiswijk, K., Lombardo, S., Lamoureux, M., Leroy, N., Van Su, A. Le, Mao, J., Masek, M., Midavaine, T., Moeller, A., Morris, D., Natsvlishvili, R., Navarete, F., Nissanke, S., Noonan, K., Noysena, K., Orange, N. B., Peloton, J., Pilloix, M., Pradier, T., Raaijmakers, G., Rajabov, Y., Rivet, J. -P., Romanyuk, Y., Rousselot, L., Ruenger, F., Rupchandani, V., Sadibekova, T., Sasaki, N., Smith, K., Sokoliuk, O., Song, X., Simon, A., Takey, A., Tillayev, Y., Melo, I. Tosta e, Turpin, D., Postigo, A. de Ugarte, Vardosanidze, M., Wang, X. F., de Wasseige, G., Vernet, D., Vidadi, Z., Zhu, J., and Zhu, Y.

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

GRANDMA is a world-wide collaboration with the primary scientific goal of studying gravitational-wave sources, discovering their electromagnetic counterparts and characterizing their emission. GRANDMA involves astronomers, astrophysicists, gravitational-wave physicists, and theorists. GRANDMA is now a truly global network of telescopes, with (so far) 30 telescopes in both hemispheres. It incorporates a citizen science programme (Kilonova-Catcher) which constitutes an opportunity to spread the interest in time-domain astronomy. The telescope network is an heterogeneous set of already-existing observing facilities that operate coordinated as a single observatory. Within the network there are wide-field imagers that can observe large areas of the sky to search for optical counterparts, narrow-field instruments that do targeted searches within a predefined list of host-galaxy candidates, and larger telescopes that are devoted to characterization and follow-up of the identified counterparts. Here we present an overview of GRANDMA after the third observing run of the LIGO/VIRGO gravitational-wave observatories in $2019-2020$ and its ongoing preparation for the forthcoming fourth observational campaign (O4). Additionally, we review the potential of GRANDMA for the discovery and follow-up of other types of astronomical transients., Comment: Submitted to the Proceedings of the SPIE, Astronomical Telescopes and Instrumentation 2022

Published
2022

6. Unary and binary Leibniz algebras

Author

Ismailov, N. A. and Dzhumadil'daev, A. S.

Subjects
Mathematics - Rings and Algebras
Abstract

An algebra is said to be a unary Leibniz algebra if every one-generated subalgebra is a Leibniz algebra. An algebra is said to be a binary Leibniz algebra if every two-generated subalgebra is a Leibniz algebra. We give characterizations of unary and binary Leibniz algebras in terms of identities.

Published
2020

7. Grandma: a network to coordinate them all

Author

Agayeva, S., Alishov, S., Antier, S., Ayvazian, V. R., Bai, J. M., Baransky, A., Barynova, K., 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., Corre, D., Coughlin, M. W., Coward, D., Crisp, H., Delattre, C., Dietrich, T., Ducoin, J. G., Duverne, P. A., Eymar, L., Fock-Hang, P., Gendre, B., Hello, P., Howell, E. J., Inasaridze, R. Ya., Ismailov, N., Kann, D. A., Kapanadze, G. V., Karpov, S., Klotz, A., Kochiashvili, N., Lachaud, C., Leroy, N., Van Su, A. Le, Li, W. X., Lin, W. L., Lognone, P., Marchal-Duval, G., Marron, R., Mašek, M., Mo, J., Moore, J. A., Morris, D., Natsvlishvili, R., Noysena, K., Orange, N. B., Perrigault, S., Peyrot, A., Prouza, M., Sadibekova, T., Samadov, D., Simon, A., Stachie, C., Teng, J. P., Thierry, P., Thöne, C. C., Tillayev, Y., Turpin, D., Postigo, A. de Ugarte, Vachier, F., Vardosanidze, M., Vasylenko, V., Vidadi, Z., Wang, C. J., Wang, X. F., Yan, S. Y., Zhang, J. C., Zhang, J. J., and Zhang, X. H.

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

GRANDMA is an international project that coordinates telescope observations of transient sources with large localization uncertainties. Such sources include gravitational wave events, gamma-ray bursts and neutrino events. GRANDMA currently coordinates 25 telescopes (70 scientists), with the aim of optimizing the imaging strategy to maximize the probability of identifying an optical counterpart of a transient source. This paper describes the motivation for the project, organizational structure, methodology and initial results., Comment: 8 pages, to appear in Revista Lexicana de Astronomia y Astrofisica Conference Series

Published
2020
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8. Analytical construction of regulators for oscillatory systems with liquid dampers

Author

Aliev, F. A., Aliev, N. A., and Ismailov, N. A.

Subjects
Mathematics - Dynamical Systems
Abstract

A mathematical model of oscillatory systems control with liquid dampers is considered which differs from the classical ones by replacing the first derivative of such a fractional derivative that is between numbers 0 and 2 other than unity. Using the methods of constructing Letov controllers, a control law is constructed that ensures the asymptotic stability of the closed system and minimizes the quadratic functional. The results are illustrated by a specific numerical example.

Published
2020

9. GRANDMA Observations of Advanced LIGO's and Advanced Virgo's Third Observational Campaign

Author

Antier, S., Agayeva, S., Almualla, M., Awiphan, S., Baransky, A., Barynova, K., Beradze, S., Blažek, M., Boer, M., Burkhonov, O., Christensen, N., Coleiro, A., Corre, D., Coughlin, M. W., Crisp, H., Dietrich, T., Ducoin, J. -G., Duverne, P. -A., Marchal-Duval, G., Gendre, B., Gokuldass, P., Eggenstein, H. B., Eymar, L., Hello, P., Howell, E. J., Ismailov, N., Kann, D. A., Karpov, S., Klotz, A., Kochiashvili, N., Lachaud, C., Leroy, N., Lin, W. L., Li, W. X., Mašek, M., Mo, J., Menard, R., Morris, D., Noysena, K., Orange, N. B., Prouza, M., Rattanamala, R., Sadibekova, T., Saint-Gelais, D., Serrau, M., Simon, A., Stachie, C., Thöne, C. C., Tillayev, Y., Turpin, D., Postigo, A. de Ugarte, Vasylenko, V., Vidadi, Z., Was, M., Wang, X. F., Zhang, J. J., Zhang, T. M., and Zhang, X. H.

Subjects
Astrophysics - High Energy Astrophysical Phenomena
Abstract

GRANDMA is a network of 25 telescopes of different sizes, including both photometric and spectroscopic facilities. The network aims to coordinate follow-up observations of gravitational-wave candidate alerts, especially those with large localisation uncertainties, to reduce the delay between the initial detection and the optical confirmation. In this paper, we detail GRANDMA's observational performance during Advanced LIGO/Advanced Virgo Observing Run 3 (O3), focusing on the second part of O3; this includes summary statistics pertaining to coverage and possible astrophysical origin of the candidates. To do so, we quantify our observation efficiency in terms of delay between gravitational-wave candidate trigger time, observations, and the total coverage. Using an optimised and robust coordination system, GRANDMA followed-up about 90 % of the gravitational-wave candidate alerts, i.e. 49 out of 56 candidates. This led to coverage of over 9000 deg2 during O3. The delay between the gravitational-wave candidate trigger and the first observation was below 1.5 hour for 50 % of the alerts. We did not detect any electromagnetic counterparts to the gravitational-wave candidates during O3, likely due to the very large localisation areas (on average thousands of degrees squares) and relatively large distance of the candidates (above 200 Mpc for 60 % of BNS candidates). We derive constraints on potential kilonova properties for two potential binary neutron star coalescences (GW190425 and S200213t), assuming that the events' locations were imaged., Comment: 31 pages, 15 figures

Published
2020
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10. The first six months of the Advanced LIGO's and Advanced Virgo's third observing run with GRANDMA

Author

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., Blazek, 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-Duva, 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., Van Su, A. Le, 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., Thone, C. C., Tillayev, Y., Turpin, D., Postigo, A. de Ugarte, 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., and Zhang, X. H.

Subjects
Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics
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., Comment: 26 pages, 4 figures

Published
2019
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15. Polynomial identities of bicommutative algebras, Lie and Jordan elements

Author

Dzhumadil'daev, A. S. and Ismailov, N. A.

Subjects
Mathematics - Rings and Algebras
Abstract

An algebra with identities $a(bc)=b(ac),$ $(ab)c=(ac)b$ is called bicommutative. We construct list of identities satisfied by commutator and anti-commutator products in a free bicommutative algebra. We give criterions for elements of a free bicommutative algebra to be Lie or Jordan., Comment: 14 pages

Published
2017

17. Multi-band analyses of the bright GRB 230812B and the associated SN2023pel

Author

Hussenot-Desenonges, T, primary, Wouters, T, additional, Guessoum, N, additional, Abdi, I, additional, Abulwfa, A, additional, Adami, C, additional, Fernández, J F Agüí, additional, Ahumada, T, additional, Aivazyan, V, additional, Akl, D, additional, Anand, S, additional, Andrade, C M, additional, Antier, S, additional, Ata, S A, additional, D’Avanzo, P, additional, Azzam, Y A, additional, Baransky, A, additional, Basa, S, additional, Blazek, M, additional, Bendjoya, P, additional, Beradze, S, additional, Boumis, P, additional, Bremer, M, additional, Brivio, R, additional, Buat, V, additional, Bulla, M, additional, Burkhonov, O, additional, Burns, E, additional, Cenko, S B, additional, Coughlin, M W, additional, Corradi, W, additional, Daigne, F, additional, Dietrich, T, additional, Dornic, D, additional, Ducoin, J-G, additional, Duverne, P-A, additional, Elhosseiny, E G, additional, Elnagahy, F I, additional, El-Sadek, M A, additional, Ferro, M, additional, Le Floc’h, E, additional, Freeberg, M, additional, Fynbo, J P U, additional, Götz, D, additional, Gurbanov, E, additional, Hamed, G M, additional, Hasanov, E, additional, Healy, B F, additional, Heintz, K E, additional, Hello, P, additional, Inasaridze, R, additional, Iskandar, A, additional, Ismailov, N, additional, Izzo, L, additional, Jhawar, S, additional, du Laz, T Jegou, additional, Kamel, T M, additional, Karpov, S, additional, Klotz, A, additional, Koulouridis, E, additional, Kuin, N P, additional, Kochiashvili, N, additional, Leonini, S, additional, Lu, K-X, additional, Malesani, D B, additional, Mašek, M, additional, Mao, J, additional, Melandri, A, additional, Mihov, B M, additional, Natsvlishvili, R, additional, Navarete, F, additional, Nedora, V, additional, Nicolas, J, additional, Odeh, M, additional, Palmerio, J, additional, Pang, P T H, additional, De Pasquale, M, additional, Peng, H W, additional, Pormente, S, additional, Peloton, J, additional, Pradier, T, additional, Pyshna, O, additional, Rajabov, Y, additional, Rakotondrainibe, N A, additional, Rivet, J-P, additional, Rousselot, L, additional, Saccardi, A, additional, Sasaki, N, additional, Schneider, B, additional, Serrau, M, additional, Shokry, A, additional, Slavcheva-Mihova, L, additional, Simon, A, additional, Sokoliuk, O, additional, Srinivasaragavan, G, additional, Strausbaugh, R, additional, Takey, A, additional, Tanvir, N R, additional, Thöne, C C, additional, Tillayev, Y, additional, Melo, I Tosta e, additional, Turpin, D, additional, de Ugarte Postigo, A, additional, Vasylenko, V, additional, Vergani, S D, additional, Vidadi, Z, additional, Xu, D, additional, Wang, L T, additional, Wang, X F, additional, Winters, J M, additional, Zhang, X-L, additional, and Zhu, Z, additional

Published
2024
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18. Ready for O4 II: GRANDMA observations of Swift GRBs over eight weeks in spring 2022

Author

Tosta e Melo, I., primary, Ducoin, J.-G., additional, Vidadi, Z., additional, Andrade, C., additional, Rupchandani, V., additional, Agayeva, S., additional, Abdelhadi, J., additional, Abe, L., additional, Aguerre-Chariol, O., additional, Aivazyan, V., additional, Alishov, S., additional, Antier, S., additional, Bai, J.-M., additional, Baransky, A., additional, Bednarz, S., additional, Bendjoya, Ph., additional, Benkhaldoun, Z., additional, Beradze, S., additional, Bizouard, M. A., additional, Bhardwaj, U., additional, Blazek, M., additional, Boër, M., additional, Broens, E., additional, Burkhonov, O., additional, Christensen, N., additional, Cooke, J., additional, Corradi, W., additional, Coughlin, M. W., additional, Culino, T., additional, Daigne, F., additional, Dornic, D., additional, Duverne, P.-A., additional, Ehgamberdiev, S., additional, Eymar, L., additional, Fouad, A., additional, Freeberg, M., additional, Gendre, B., additional, Guo, F., additional, Gokuldass, P., additional, Guessoum, N., additional, Gurbanov, E., additional, Hainich, R., additional, Hasanov, E., additional, Hello, P., additional, Inasaridze, R., additional, Iskandar, A., additional, Ismailov, N., additional, Janati, A., additional, Jegou du Laz, T., additional, Kann, D. A., additional, Karpov, S., additional, Kiendrebeogo, R. W., additional, Klotz, A., additional, Kneip, R., additional, Kochiashvili, N., additional, Kaeouach, A., additional, Kruiswijk, K., additional, Lamoureux, M., additional, Leroy, N., additional, Lin, W. L., additional, Mao, J., additional, Marchais, D., additional, Mašek, M., additional, Midavaine, T., additional, Moller, A., additional, Morris, D., additional, Natsvlishvili, R., additional, Navarete, F., additional, Nicuesa Guelbenzu, A., additional, Noonan, K., additional, Noysena, K., additional, Oksanen, A., additional, Orange, N. B., additional, Pellouin, C., additional, Peloton, J., additional, Peng, H. W., additional, Pilloix, M., additional, Popowicz, A., additional, Pradier, T., additional, Pyshna, O., additional, Raaijmakers, G., additional, Rajabov, Y., additional, Rau, A., additional, Rinner, C., additional, Rivet, J.-P., additional, Ryh, A. S., additional, Sabil, M., additional, Sadibekova, T., additional, Sasaki, N., additional, Serrau, M., additional, Simon, A., additional, Shokry, A., additional, Smith, K., additional, Sokoliuk, O., additional, Song, X., additional, Takey, A., additional, Thierry, P., additional, Tillayev, Y., additional, Turpin, D., additional, de Ugarte Postigo, A., additional, Vasylenko, V., additional, Vernet, D., additional, Wang, L., additional, Vachier, F., additional, Vignes, J. P., additional, Wang, X. F., additional, Zeng, X., additional, Zhang, J., additional, and Zhu, Y., additional

Published
2024
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27. GRANDMA and HXMT Observations of GRB 221009A: The Standard Luminosity Afterglow of a Hyperluminous Gamma-Ray Burst—In Gedenken an David Alexander Kann

Author

Kann, D. A., primary, Agayeva, S., additional, Aivazyan, V., additional, Alishov, S., additional, Andrade, C. M., additional, Antier, S., additional, Baransky, A., additional, Bendjoya, P., additional, Benkhaldoun, Z., additional, Beradze, S., additional, Berezin, D., additional, Boër, M., additional, Broens, E., additional, Brunier, S., additional, Bulla, M., additional, Burkhonov, O., additional, Burns, E., additional, Chen, Y., additional, Chen, Y. P., additional, Conti, M., additional, Coughlin, M. W., additional, Cui, W. W., additional, Daigne, F., additional, Delaveau, B., additional, Devillepoix, H. A. R., additional, Dietrich, T., additional, Dornic, D., additional, Dubois, F., additional, Ducoin, J.-G., additional, Durand, E., additional, Duverne, P.-A., additional, Eggenstein, H.-B., additional, Ehgamberdiev, S., additional, Fouad, A., additional, Freeberg, M., additional, Froebrich, D., additional, Ge, M. Y., additional, Gervasoni, S., additional, Godunova, V., additional, Gokuldass, P., additional, Gurbanov, E., additional, Han, D. W., additional, Hasanov, E., additional, Hello, P., additional, Hussenot-Desenonges, T., additional, Inasaridze, R., additional, Iskandar, A., additional, Ismailov, N., additional, Janati, A., additional, du Laz, T. Jegou, additional, Jia, S. M., additional, Karpov, S., additional, Kaeouach, A., additional, Kiendrebeogo, R. W., additional, Klotz, A., additional, Kneip, R., additional, Kochiashvili, N., additional, Kunert, N., additional, Lekic, A., additional, Leonini, S., additional, Li, C. K., additional, Li, W., additional, Li, X. B., additional, Liao, J. Y., additional, Logie, L., additional, Lu, F. J., additional, Mao, J., additional, Marchais, D., additional, Ménard, R., additional, Morris, D., additional, Natsvlishvili, R., additional, Nedora, V., additional, Noonan, K., additional, Noysena, K., additional, Orange, N. B., additional, Pang, P. T. H., additional, Peng, H. W., additional, Pellouin, C., additional, Peloton, J., additional, Pradier, T., additional, Pyshna, O., additional, Rajabov, Y., additional, Rau, S., additional, Rinner, C., additional, Rivet, J.-P., additional, Romanov, F. D., additional, Rosi, P., additional, Rupchandani, V. A., additional, Serrau, M., additional, Shokry, A., additional, Simon, A., additional, Smith, K., additional, Sokoliuk, O., additional, Soliman, M., additional, Song, L. M., additional, Takey, A., additional, Tillayev, Y., additional, Ramirez, L. M. Tinjaca, additional, e Melo, I. Tosta, additional, Turpin, D., additional, de Ugarte Postigo, A., additional, Vanaverbeke, S., additional, Vasylenko, V., additional, Vernet, D., additional, Vidadi, Z., additional, Wang, C., additional, Wang, J., additional, Wang, L. T., additional, Wang, X. F., additional, Xiong, S. L., additional, Xu, Y. P., additional, Xue, W. C., additional, Zeng, X., additional, Zhang, S. N., additional, Zhao, H. S., additional, and Zhao, X. F., additional

Published
2023
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28. GIS Based Spatial Modelling of Snow Avalanche Hazard along the North-South Alternative Road.

Author

Ismailov, N., Chymyrov, A., Bekturov, A., and Karagulov, A.

Subjects
*AVALANCHES, *MOBILE geographic information systems, *GEOGRAPHIC information systems, *LANDSLIDE hazard analysis, *DIGITAL elevation models, *HAZARD mitigation, *TRANSPORTATION corridors, *ROAD construction
Abstract

This study aims to investigate the potential of TanDEM-X DEM and geoinformation technology for mapping and assessing avalanche hazard along the North-South alternative road. This new 433kilometer long transportation corridor connects the northern part (from the Balykchy city) with the southern part (to the JalalAbad city) of Kyrgyzstan, separated by the Fergana Mountain range. The North-South road under construction should become an strategic automobile route between two parts of the country, an alternative to the existing Bishkek-Osh road, which passes through high mountainous regions. The existing road is subject to congestion and closures in natural emergencies, in cases of territorial disputes of neighbor countries, and affected economic development of the country. The road construction in the high mountainous areas requires a detailed study of all types of natural and man-made hazards and risk assessment. There are many road sections under potential hazards of avalanches, landslides and rock falls. Research and mapping of all types of natural hazards requires the use of modern engineering survey technologies, remote sensing data, geographic information systems and field research. Digital Elevation Models and Digital Surface Models have many advantages providing detailed information about the terrain's topography, which is essential for assessing avalanche hazard and risk. The TanDEM-X DEM gives detailed topographic information, including elevation, surface slope, aspect, and curvature used to identify potential avalanche release areas for assessing avalanche risk and implementing mitigation measures. [ABSTRACT FROM AUTHOR]

Published
2023
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38. The GRANDMA network in preparation for the fourth gravitational-wave observing run

Author

Agayeva, S., primary, Aivazyan, V., additional, Alishov, S., additional, Almualla, M., additional, Andrade, 'C., additional, Antier, Sarah, additional, Bai, J.-M., additional, Baransky, A., additional, Basa, S., additional, Bendjoya, P., additional, Benkhaldoun, Z., additional, Beradze, S., additional, Berezin, D., additional, Bhardwaj, U., additional, Blazek, M., additional, Burkhonov, O., additional, Burns, E., additional, Caudill, S., additional, Christensen, N., additional, Colas, F., additional, Coleiro, A., additional, Corradi, W., additional, Coughlin, M. W., additional, Culino, T., additional, Darson, D., additional, Datashvili, D., additional, de Wasseige, G., additional, Dietrich, T., additional, Dolon, F., additional, Dornic, D., additional, Dubouil, J., additional, Ducoin, J.-G., additional, Duverne, P.-A., additional, Esamdin, A., additional, Fouad, A., additional, Guo, F., additional, Godunova, V., additional, Gokuldass, P., additional, Guessoum, N., additional, Gurbanov, E., additional, Hainich, R., additional, Hasanov, E., additional, Hello, P., additional, Hussenot-Desenonges, T., additional, Inasaridze, R., additional, Iskandar, A., additional, Ishida, E.E.O., additional, Ismailov, N., additional, Jegou du Laz, T., additional, Kann, D.A., additional, Kapanadze, G., additional, Karpov, S., additional, Kiendrebeogo, R.W., additional, Klotz, A., additional, Kochiashvili, Nino, additional, Kaeouach, A., additional, Kneib, J.-P., additional, Kou, W., additional, Kruiswijk, K., additional, Lombardo, S., additional, Lamoureux, M., additional, Leroy, N., additional, Le Van Su, A., additional, Mao, J., additional, Masek, M., additional, Midavaine, T., additional, Moeller, A., additional, Morris, D., additional, Natsvlishvili, R., additional, Navarete, F., additional, Nissanke, S., additional, Noonan, K., additional, Noysena, K., additional, Orange, N.B., additional, Peloton, J., additional, Pilloix, M., additional, Pradier, T., additional, Prouza, 'M., additional, Raaijmakers, G., additional, Rajabov, Y., additional, Rivet, J.-P., additional, Romanyuk, Y., additional, Rousselot, L., additional, Ruenger, F., additional, Rupchandani, V., additional, Sadibekova, T., additional, Sasaki, N., additional, Simon, A., additional, Smith, K., additional, Sokoliuk, O., additional, Song, X., additional, Takey, A., additional, Tillayev, Y., additional, Tosta e Melo, I., additional, Turpin, D., additional, de Ugarte Postigo, Antonio, additional, Vardosanidze, M., additional, Wang, X.F., additional, Vernet, D., additional, Vidadi, Z., additional, Zhu, J., additional, and Zhu, Y., additional

Published
2022
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42. Efficacy of Pharmacopuncture for Treating Children with Physical Disabilities in Uzbekistan

Author

Ismailov N Zohidjon and Yu Jun-Sang

Subjects
ankle joint disorders, Cerebrolysin, neuromotor system disease, pharmacopuncture, physical disability, scolisis, Medicine, Miscellaneous systems and treatments, RZ409.7-999, Therapeutics. Pharmacology, RM1-950
Abstract

Objective: This research was performed to investigate the efficacy of complex rehabilitation combined with pharmacopuncture treatment for the children with neuromotor system diseases. Methods: Fifty (50) patients aged from 5 to 15 yr old were compared. Twenty (20) patients received conventional treatments and complex rehabilitation as a control group, and fifty (50) patients received complex rehabilitation with pharmacopuncture. At their first visits, the patients had checkups and neurological scales, and after 10 days of pharmacopuncture treatments and 55 days of rehabilitation, they also took neurological scales. We studied the pre and post effects of the treatment group. Results: The number of patients with ankle joint disorder and contracture, knee joint contracture, steppage, horsey hoof, shoulder weakness and contracture, radio-carpal joint disorder and contracture, arm hypotrophia, arm atrophia, leg hypotrophia and total atrophia decreased after treatments. Conclusion: This study showed the efficacy of pharmacopuncture combined with complex rehabilitation for the treatment of neuromotor system diseases.

Published
2013
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46. GRANDMA: A NETWORK TO COORDINATE THEM ALL

Author

Agayeva, S., primary, Alishov, S., additional, Antier, S., additional, Ayvazian, V. R., additional, Bai, J. M., additional, Baransky, A., additional, Barynova, K., additional, Basa, S., additional, Beradze, S., additional, Bertin, E., additional, Berthier, J., additional, Blažek, M., additional, Boër, M., additional, Burkhonov, O., additional, Burrell, A., additional, Cailleau, A., additional, Chabert, B., additional, Chen, J. C., additional, Christensen, N., additional, Coleiro, A., additional, Corre, D., additional, Coughlin, M. W., additional, Coward, D., additional, Crisp, H., additional, Delattre, C., additional, Dietrich, T., additional, Ducoin, J. G., additional, Duverne, P. A., additional, Eymar, L., additional, Fock-Hang, P., additional, Gendre, B., additional, Hello, P., additional, Howell, E. J., additional, Inasaridze, R. Ya., additional, Ismailov, N., additional, Kann, D. A., additional, Kapanadze, G. V., additional, Karpov, S., additional, Klotz, A., additional, Kochiashvili, N., additional, Lachaud, C., additional, Leroy, N., additional, Le Van Su, A., additional, Li, W. X., additional, Lin, W. L., additional, Lognone, P., additional, Marchal-Duval, G., additional, Marron, R., additional, Mašek, M., additional, Mo, J., additional, Moore, J., additional, Morris, D., additional, Natsvlishvili, R., additional, Noysena, K., additional, Orange, N. B., additional, Perrigault, S., additional, Peyrot, A., additional, Prouza, M., additional, Sadibekova, T., additional, Samadov, D., additional, Simon, A., additional, Stachie, C., additional, Teng, J. P., additional, Thierry, P., additional, Thöne, C. C., additional, Tillayev, Y., additional, Turpin, D., additional, de Ugarte Postigo, A., additional, Vachier, F., additional, Vardosanidze, M., additional, Vasylenko, V., additional, Vidadi, Z., additional, Wang, C. J., additional, Wang, X. F., additional, Yan, S. Y., additional, Zhang, J. C., additional, Zhang, J. J., additional, and Zhang, X. H., additional

Published
2021
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