223 citations · 673 across the 27 of their papers we have counts for
27 papers
Multiwavelength variability of the high-energy neutrino candidate PKS 0735+178 over three decades
T. Mufakharov, Yu. Sotnikova, V. Vlasyuk +12
We present the multiwavelength variability of the BL Lac object PKS 0735+178, associated with the high-energy neutrino event IC211208A. The light curves cover the radio (1-230 GHz)…
Radio and Optical Properties of the blazar PKS 1614+051 at z=3.21
Yu. V. Sotnikova, A. G. Mikhailov, A. E. Volvach +21
We present a study of the radio and optical properties of the high-frequency peaker (HFP) blazar PKS 1614+051 at based on the data covering the time period of 1997-2024. T…
Multiwavelength variability of the blazar AO 0235+164
V. V. Vlasyuk, Yu. V. Sotnikova, A. E. Volvach +28
We present a study of the multiwavelength (MW) variability of the blazar AO 0235+164 based on the radio-to--ray data covering a long time period from 1997 to 2023. The radio dat…
A wiggling filamentary jet at the origin of the blazar multi-wavelength behaviour
C. M. Raiteri, M. Villata, M. I. Carnerero +96
Blazars are beamed active galactic nuclei known for their strong multi-wavelength variability on timescales from years down to minutes. We aim to investigate the suitability of the…
GMRT observations of OHM candidates from the ALFALFA survey
Shouzhi Wang, Zhongzu Wu, Bo Zhang +5
We present the results of our observations using the Giant Meterwave Radio Telescope (GMRT) to investigate the radio continuum and OH line emission of 10 OHM candidates from the Ar…
Radio properties of high-redshift galaxies at
M. Khabibullina, A. Mikhailov, Yu. Sotnikova +6
Study of high-redshift radio galaxies (HzRGs) can shed light on the active galactic nuclei (AGNs) evolution in massive elliptical galaxies. The vast majority of observed high-redsh…
Baikal-GVD Astrophysical Neutrino Candidate near the Blazar TXS~0506+056
V. M. Aynutdinov, V. A. Allakhverdyan, A. D. Avrorin +71
We report on the observation of a rare neutrino event detected by Baikal-GVD in April 2021. The event GVD210418CA is the highest-energy cascade observed by Baikal-GVD so far from t…
Radio continuum and OH line emission of high-z OH megamaser galaxies
Zhongzu Wu, Yu. V. Sotnikova, Bo Zhang +8
We present the study of arcsecond scale radio continuum and OH line emission of a sample of known OH megamaser galaxies with 0.15 using archival Very Large Array (VLA) dat…
The RATAN-600 multi-frequency catalogue of blazars -- BLcat
Yu. Sotnikova, T. Mufakharov, R. Udovitskiy +6
In this paper we present the RATAN-600 multi-frequency catalogue of blazars, an updated version of the BLcat: the RATAN-600 multi-frequency catalogue of BL Lacertae objects. The ma…
Radio Variability and Broad-Band Spectra of Infrared Galaxies with and without OH Megamaser Emission
Yu. V. Sotnikova, T. V. Mufakharov, A. G. Mikhailov +7
We study the radio variability of galaxies with and without sources of hydroxyl (OH) megamaser radiation based on the continuum radio measurements conducted in 2019-2022 with the r…
Radio properties of the OH megamaser galaxy IIZw 096
Hong Wu, Zhongzu Wu, Yu. Sotnikova +9
Based on the two epochs EVN archive data from OH line observations of IIZw 096, we confirm that the high-resolution OH emission in this source mainly comes from two spots (OH1 and…
Radio continuum properties of OH megamaser galaxies
Yu. V. Sotnikova, Z. Z. Wu, T. V. Mufakharov +13
We present a study of the radio continuum properties of two luminous/ultraluminous infrared galaxy samples: the OH megamaser (OHM) sample (74 objects) and the control sample (128 o…
High-redshift quasars at -- I. Radio spectra
Yu. Sotnikova, A. Mikhailov, T. Mufakharov +7
We present the radio properties of optically selected quasars with . The complete sample consists of 102 quasars with a flux density level mJy in a declina…
The Baikal-GVD neutrino telescope: search for high-energy cascades
V. A. Allakhverdyan, A. D. Avrorin, A. V. Avrorin +63
Baikal-GVD is a neutrino telescope currently under construction in Lake Baikal. GVD is formed by multi-meganton subarrays (clusters). The design of Baikal-GVD allows one to search…
Flux-density measurements of the high-redshift blazar PSO J047.4478+27.2992 at 4.7 and 8.2 GHz with RATAN-600
T. Mufakharov, A. Mikhailov, Yu. Sotnikova +5
We report the first detection at 4.7 and 8.2 GHz with the RATAN-600 radio telescope of the source PSO J047.4478+27.2992, which has been announced as a blazar at z=6.1. The average…
Multi-wavelength observations of the BL Lac object Fermi J1544-0649: one year after its awakening
P. H. T. Tam, P. S. Pal, Y. D. Cui +15
We report observations of a transient source \fermi\ from radio to \grs. \fermi\ was discovered by the {\it Fermi-LAT} in May 2017. Follow-up {\it Swift-XRT} observations revealed…
Multiwavelength behaviour of the blazar 3C279: decade-long study from -ray to radio
V. M. Larionov, S. G. Jorstad, A. P. Marscher +84
We report the results of decade-long (2008-2018) -ray to 1 GHz radio monitoring of the blazar 3C 279, including GASP/WEBT, and data, as well as polarim…
Multifrequency study of GHz-peaked spectrum sources
Yu. Sotnikova, T. Mufakharov, E. Majorova +4
Gigahertz-Peaked spectrum (GPS) sources are compact active galactic nuclei, presumably young precursors of bright radio sources. The study of GPS radio properties provides informat…
Investigating the multiwavelength behaviour of the flat spectrum radio quasar CTA 102 during 2013-2017
F. D'Ammando, C. M. Raiteri, M. Villata +94
We present a multiwavelength study of the flat-spectrum radio quasar CTA 102 during 2013-2017. We use radio-to-optical data obtained by the Whole Earth Blazar Telescope, 15 GHz dat…
Simultaneous spectra and radio properties of BL Lac's
M. Mingaliev, Yu. Sotnikova, T. Mufakharov +6
We present the results of nine years of the blazar observing programme at the RATAN-600 radio telescope (2005-2014). The data were obtained at six frequency bands (1.1, 2.3, 4.8, 7…
37 GHz observations of narrow-line Seyfert 1 galaxies
A. Lähteenmäki, E. Järvelä, T. Hovatta +12
Observations at 37 GHz, performed at Metsähovi Radio Observatory, are presented for a sample of 78 radio-loud and radio-quiet narrow-line Seyfert 1 (NLS1) galaxies, together with a…
The synchrotron component study in a spectral energy distribution of blazars
M. Mingaliev, Yu. Sotnikova, T. Mufakharov +2
We study the synchrotron component of the spectral energy distribution (SED) on the sample of 877 blazars using the ASDC SED Builder Tool with available broadband data from the lit…
Multi-frequency quasi-simultaneous observations of six very low synchrotron peaked blazars
T. Mufakharov, Yu. Sotnikova, M. Mingaliev +1
We have made an estimation of the synchrotron peak frequency () for six very low synchrotron peaked (VLSP) blazars. These objects were selected as VLSP candidates (wi…
The observed radio/gamma-ray emission correlation for blazars with the Fermi-LAT and the RATAN-600 data
T. Mufakharov, M. Mingaliev, Yu. Sotnikova +2
We study the correlation between gamma-ray and radio band radiation for 123 blazars, using the Fermi-LAT first source catalog (1FGL) and the RATAN-600 data obtained at the same per…