activity
20002024
most citedRestoring the full velocity field in the gaseous disk ofthe spiral galaxy NGC 157

31 citations · 76 across the 12 of their papers we have counts for

collaborators

12 papers

astro-ph.IM2024★ 4 cited

Large-format imaging systems based on solid-state detectors in optical astronomy

V V Vlasyuk, I V Afanasieva, V I Ardilanov +4

The development of technologies for creating various types of solid-state detectors for optical astronomy is reviewed. The principles of designing astronomical photodetecting syste…

astro-ph.GA2022

The gMOSS: the galaxy survey and galaxy populations of the large homogeneous field

A. Grokhovskaya, S. N. Dodonov, T. A. Movsessian +1

We present the gMOSS (Galaxies of Medium-band One-meter Schmidt telescope Survey) catalog of 19,000 galaxies in 20 filters (4 broadband SDSS and 16 medium-band filters). We…

astro-ph.CO2022

Mass estimation of the very massive galaxy cluster SRGe CL2305.22248 from strong lensing

I. M. Khamitov, I. F. Bikmaev, N. S. Lyskova +10

The galaxy cluster SRGe CL2305.22248 (SPT-CL J23052248, ACT-CL J2305.12248) is one of the most massive clusters at high redshifts () and is of great interes…

astro-ph.HE2021★ 4 cited

First tidal disruption events discovered by SRG/eROSITA: X-ray/optical properties and X-ray luminosity function at z<0.6

S. Sazonov, M. Gilfanov, P. Medvedev +22

We present the first sample of tidal disruption events (TDEs) discovered during the SRG all-sky survey. These 13 events were selected among X-ray transients detected in the 0<l<180…

astro-ph.GA2020

Large Scale Distribution of Galaxies in The Field HS 47.5-22. II. Observational Data Analysis

Aleksandra Grokhovskaya, Sergei N. Dodonov, T. A. Movsessian

The results of the study of the large-scale distribution of galaxies up to z ~0.8 in the field HS 47.5-22 on the basis of photometric data of the 1-meter Schmidt telescope of the B…

astro-ph.GA2020

The density maps of the HS47.5-22 field

Sergei N. Dodonov, Aleksandra Grokhovskaya

We study the reconstruction of overdensity maps of galaxies as function of redshift in the range using data from 1-m Schmidt Telescope of Byurakan Astrophysic…

astro-ph.GA2019★ 1 cited

Large Scale Distribution of Galaxies in The Field HS 47.5-22. I. Data Analysis Technique

Aleksandra Grokhovskaya, Sergei N. Dodonov

We present the results of methodological works on automated analysis of the large scale distribution of galaxies. Selecting candidates for clusters and groups of galaxies was carri…

astro-ph.GA2019★ 8 cited

An [O III] search for extended emission around AGN with H I mapping: a distant cloud ionized by Mkn 1

Erin Darnell Knese, William C. Keel, Greg Knese +4

Motivated by the discovery of large-scale ionized clouds around AGN host galaxies, and particularly the large fraction of those which are consistent with photoionized gaseous tidal…

astro-ph.GA2019★ 5 cited

Spectral observations of the systems with the disturbed spiral arms: Arp 42, Arp 82 and Arp58

Anatoly V. Zasov, Anna S. Saburova, Oleg V. Egorov +1

We study three Arp' systems of peculiar galaxies: Arp 42 (NGC 5829), Arp 82 (NGC 2535/36) and Arp 58 (UGC 4457), using the long-slit spectral observations carried out at the 6m tel…

astro-ph.GA2018★ 7 cited

A close look at the well-known Seyfert galaxy: extended emission filaments in Mrk6

A. A. Smirnova, A. V. Moiseev, S. N. Dodonov

Using various techniques of optical observations at the 6-m Russian telescope (emission-line images, long-slit and 3D spectroscopy), we have studied large-scale morphology and kine…

astro-ph2001★ 31 cited

Restoring the full velocity field in the gaseous disk ofthe spiral galaxy NGC 157

A. M. Fridman, O. V. Khoruzhii, V. V. Lyakhovich +5

We analyse the line-of-sight velocity field of ionized gas in the spiral galaxy NGC 157 which has been obtained in the Hαemission at the 6m telescope of SAO RAS. The existence of s…

astro-ph2000★ 16 cited

Giant Cyclones in Gaseous Discs of Spiral Galaxies

A. M. Fridman, O. V. Khoruzhii, E. V. Polyachenko +5

We report detection of giant cyclonic vortices in the gaseous disc of the spiral galaxy NGC 3631 in the reference frame rotating with the spiral pattern. A presence of such structu…