Search Results - "Volvach, A. E."

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…”
Get full text

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…”
Get full text

Multiwavelength Temporal Variability of the Blazar PKS 1510–089 by Yuan, Q., Kushwaha, Pankaj, Gupta, Alok C., Tripathi, Ashutosh, Wiita, Paul J., Zhang, M., Liu, X., Lähteenmäki, Anne, Tornikoski, Merja, Tammi, Joni, Ramakrishnan, Venkatessh, Cui, L., Wang, X., Gu, M. F., Bambi, Cosimo, Volvach, A. E.

“…Abstract We perform correlation and periodicity search analyses on long-term multiband light curves of the flat-spectrum radio quasar PKS 1510−089 observed by…”
Get full text

The core shift effect in the blazar 3C 454.3 by Kutkin, A. M., Sokolovsky, K. V., Lisakov, M. M., Kovalev, Y. Y., Savolainen, T., Voytsik, P. A., Lobanov, A. P., Aller, H. D., Aller, M. F., Lahteenmaki, A., Tornikoski, M., Volvach, A. E., Volvach, L. N.

“…Opacity-driven shifts of the apparent very long baseline interferometry (VLBI) core position with frequency (the 'core shift' effect) probe physical conditions…”
Get full text

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…”
Get full text

Enhanced microwave and far IR absorption of nanometer thin conductive films in the case of total internal reflection by Orlenson, V. B., Volvach, A. E.

“…This paper presents a numerical analysis, using the rigorous-coupled-wave-analysis method, of microwave and far-IR radiation scattering on thin conductive…”
Get full text

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…”
Get full text

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…”
Get full text

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…”
Get full text

Broadband absorption enhancement of metal-dielectric structures in the optical range and their application in solar energy storage by Orlenson, V. B., Akhramovich, L. N., Volvach, A. E.

“…In this work, scattering properties of a metal-dielectric structure are carried out in the optical range. In the proposed structure design, the absorption…”
Get full text

Irregularities in the Shift of Earth’s Geographical Pole and Jerks in the Geomagnetic Field by Kurbasova, G. S., Volvach, A. E.

“…The results of an analysis of some irregularities in a series of coordinates of the shift in the geographic North Pole along Earth’s surface are presented in…”
Get full text

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…”
Get full text

Long-term Variability and Correlation Study of the Blazar 3C 454.3 in the Radio, NIR, and Optical Wavebands by Sarkar, A., Chitnis, V. R., Gupta, A. C., Gaur, H., Patel, S. R., Wiita, P. J., Volvach, A. E., Tornikoski, M., Chamani, W., Enestam, S., Lähteenmäki, A., Tammi, J., Vera, R. J. C, Volvach, L. N.

“…We performed a long-term optical (B, V, R bands), infrared (J and K bands), and radio band (15, 22, 37 GHz band) study of the flat spectrum radio quasar, 3C…”
Get full text

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…”
Get full text

Magnetic Reconnection Flux during Two Flares on September 6, 2017 by Gopasyuk, O. S., Volvach, A. E., Yakubovskaya, I. V.

“…We analyzed the dynamics of the reconnection and energy release processes of the X2.2 and X9.3 flares that occurred on September 6, 2017 in the active region…”
Get full text

Time Series of Space Observations: Analysis of Local Meteorological and Solar Series by Kurbasova, G. S., Volvach, A. E., Volvach, L. N.

“…A range of issues related to the results of the analysis of some meteorological and solar series of satellite observations in the Kara-Dag area (Crimea) is…”
Get full text

IRREGULARITIES IN THE DISPLACEMENT OF THE EARTH’S GEOGRAPHIC POLE AND JERKS IN THE GEOMAGNETIC FIELD by Kurbasova, G. S., Volvach, A. E.

“…There are presented the results of analysis of some irregularities in the series of displacement coordinates on the Earth’s surface for the geographic North…”
Get full text

GRB 201015A: from seconds to months of optical monitoring and supernova discovery by Belkin, S, Pozanenko, A S, Minaev, P Y, Pankov, N S, Volnova, A A, Rossi, A, Stratta, G, Benetti, S, Palazzi, E, Moskvitin, A S, Burhonov, O, Rumyantsev, V V, Klunko, E V, Inasaridze, R Ya, Reva, I V, Kim, V, Jelinek, M, Kann, D A, Volvach, A E, Volvach, L N, Xu, D, Zhu, Z, Fu, S, Mkrtchyan, A A

“…ABSTRACT We present full photometric coverage and spectroscopic data for soft gamma-ray burst GRB 201015A with a redshift z = 0.426. Our data span a time range…”
Get full text

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…”
Get full text

Magnetic Reconnection Rates in a Confined X Class Flare by Gopasyuk, O. S., Volvach, A. E., Yakubovskaya, I. V.

“…We studied the process of energy release of the confined X2.2 flare, which occurred September 6, 2017 in the active region NOAA 12673. The magnetic…”
Get full text