Search Results - "Larionov, G M"

Unusually Powerful Flare Phenomenon of the Water Maser in W51 and the Possibility of Detecting Gravitational Radiation from It by Volvach, A. E., Volvach, L. N., Larionov, M. G.

“…Abstract Because of detailed monitoring of the 22.2 GHz water maser, carried out from 2021 October to 2023 May, a very powerful flare phenomenon was detected…”
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Powerful bursts of water masers towards G25.65+1.05 by Volvach, L N, Volvach, A E, Larionov, M G, MacLeod, G C, van den Heever, S P, Wolak, P, Olech, M

“…ABSTRACT The results of long-term monitoring of the Galactic 22.2 GHz water masers associated with G25.65+1.05 using several telescopes are presented. We…”
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Determination of the Parameters of Binary Supermassive Black Holes and the Level of Their Gravitational Radiation by Volvach, A. E., Volvach, L. N., Larionov, M. G., Orlenson, V. B., Malashevich, S. V.

“…We report new data on AO 0235+164, obtained under the program of long-term multifrequency monitoring of active galactic nuclei (AGNs). A model is proposed for…”
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An unusually prolonged outburst in the blazar 3C 454.3 by Vol’vach, A. E., Larionov, M. G., Vol’vach, L. N., Larionov, G. M.

“…Data from long-term multi-frequency monitoring of the Active Galactic Nucleus (AGN) and blazar 3C 454.3 are analyzed. An unusually prolonged outburst in…”
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Extremely powerful flare phenomenon of H2O maser in W49N near −40 km s−1 by Volvach, A E, Volvach, L N, Larionov, M G

“…ABSTRACT As a result of detailed observations of the water vapour maser at the 22-m Simeiz radio telescope from 2017 June to 2019 December, two powerful flares…”
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Powerful Flare Phenomena in Water Vapor Maser Lines in the Emerging Protostellar System with Protoplanetary Disks IRAS 16293-2422 by Volvach, A. E., Volvach, L. N., Larionov, M. G.

“…Abstract According to the detailed monitoring of the water maser at a frequency of 22.2 GHz from 2019 to 2021 in IRAS 16293-2422, two powerful phenomena that…”
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Composite powerful short flare of water maser emission in IRAS 16293-2422 by Volvach, A E, Volvach, L N, Larionov, M G

“…ABSTRACT Using long-term monitoring data of water-vapour masers, here we examine a composite powerful flare of extremely short duration (∼12 d), which occurred…”
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Class I methanol maser emission in infrared clouds and the third version of the Astro Space Center MMI/SFR catalog by Bayandina, O. S., Val’tts, I. E., Larionov, G. M.

“…We have revised the Astro Space Center catalog of Class I methanol masers detected in star-forming regions (MMI/SFR), mainly at 44 GHz, and created a new…”
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Most powerful maser in the Galaxy is source G25.65+1.05 and the most powerful emitter in the Universe AGN S 0528+134 by Volvach, A. E., Volvach, L. N., Larionov, M. G.

“…Several powerful flare events have been recorded because of long-term monitoring on the RT-22 radio telescope (Simeiz) of the galactic source G25.65 + 1.05…”
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Monitoring a methanol maser flare associated with the massive star-forming region G358.93–0.03 by Volvach, A E, Volvach, L N, Larionov, M G, MacLeod, G C, van den Heever, S P, Sugiyama, K

“…ABSTRACT We report the earliest detection of the 19.967-GHz [transition 21–30E (t = 0)] methanol maser associated with the massive star-forming region…”
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Testing of the ground-based VLBI stations Yevpatoria-Simeiz-Pushchino of the RadioAstron mission by Volvach, A. E., Kostenko, V. I., Larionov, M. G., Volvach, L. N., Mucha, D. M., Nabatov, A. S., Reznichenko, A. M., Kanevsky, B. Z., Kovalenko, A. V.

“…Results are presented of the ground-based VLBI experiments conducted at RadioAstron frequencies between the VLBI sites Simeiz (RT-22)-Yevpatoria (RT-70) and…”
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Detection of Methanol Maser Flares Near 19.9 and 20.9 GHz toward the Massive Source of Active Star Formation G358.931-0.030 by Volvach, A. E., Volvach, L. N., Larionov, M. G., MacLeod, G. C.

“…We have investigated the methanol CH 3 OH lines at frequencies of 19.967 GHz [2 1 -3 0 E( v t = 0) transition] and 20.971 GHz [10 1 - 11 2 E + ( v t = 1)…”
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A Water-Vapor Maser Flare in a High-Velocity Line toward W49N by Volvach, L. N., Volvach, A. E., Larionov, M. G., MacLeod, G. C., Wolak, P., Olech, M., Kramer, B., Menten, K., Kraus, A., Brand, J., Zanicelli, A., Poppi, S., Rigini, S.

“…Powerful flares in Galactic kilomasers are closely associated with regions of intense star formation. They contribute to the elucidation of physical processes…”
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An Unusually Powerful Water-Maser Flare in the Galactic Source W49N by Volvach, L. N., Volvach, A. E., Larionov, M. G., Wolak, P., Kramer, B., Menten, K., Kraus, A., Brand, J., Zanichelli, A., Poppi, S., Rigini, S., Ipatov, A. V., Ivanov, D. V., Mikhailov, A. G., Mel’nikov, A.

“…The most powerful flare ever registered in the Galactic water-maser source W49N has been detected in long-term monitoring data in the 6 16 –5 23 transition…”
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Characteristics of GPS sources in the Planck survey by Volvach, A. E., Kardashev, N. S., Larionov, M. G., Volvach, L. N.

“…Two series of 22.2 and 36.8-GHz observations of 43 GHz-Peaked Spectrum (GPS) radio sources from the Planck survey have been carried out using the 22-m radio…”
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Flare Activity of Blazar AO 0235+164 by Volvach, A. E., Volvach, L. N., Larionov, M. G., Lähteenmäki, A., Tornikoski, M., Tammi, J., Järvelä, E., Vera, R. J. C., Chamani, W., Enestam, S.

“…Data analysis of long-term multi-frequency monitoring of active galactic nucleus (AGN) AO 0235+164 in the millimeter wavelength range are presented. Using the…”
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Long-term variability of active galactic nuclei from the ”Planck” catalog by Volvach, A. E., Kardashev, N. S., Larionov, M. G., Volvach, L. N.

“…A complete sample of 104 bright active galactic nuclei (AGNs) from the “Planck” catalog (early results) were observed at 36.8 GHz with the 22-m radio telescope…”
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Variations in the integral fluxes and structure of the radio source 3C120 by Volvach, A E, Pushkarev, A B, Larionov, M G, Volvach, L N, Aller, H D, Aller, M F

“…The variability of the radio source 3C120 is studied using data from the international geodesic VLBI observation programs at 8.6 GHz and regular monitoring…”
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Characteristics of the Flare Phenomenon in Blazar AO0235+164 in Gamma, Optical, and Radio Bands by Bychkova, V. S., Volvach, A. E., Volvach, L. N., Kardashev, N. S., Larionov, M. G., Vlasyuk, V. V., Spiridonova, O. I., Lähteenmäki, A., Tornikoski, M., Tammi, J., Järvelä, E., Vera, R. J. C., Chamani, W., Enestam, S.

“…The active core of the galaxy AO0235+164 is monitored in the optical and radio bands at millimeter wavelengths. Using the multifrequency data obtained in…”
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Physical characteristics of the Blazar AO 0235+164 by Vol’vach, A. E., Larionov, M. G., Vol’vach, L. N., Lähteenmäki, A., Tornikoski, M., Aller, M. F., Aller, H. D., Sasada, M.

“…Long series of multi-frequency monitoring data of the active galactic nucleus (AGN) AO 0235+164 from the radio to the gamma-ray are analyzed. AO 0235+164 may…”
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