8 citations · 16 across the 13 of their papers we have counts for
15 papers
CoRGI in MaNGA - II. NGC 5717: cold-gas accretion and disk growth in a BGG
Damir Gasymov, Ivan Yu. Katkov, Eva K. Grebel +6
Large-scale stellar counter-rotation, in which two coplanar stellar components rotate in opposite directions, is usually interpreted as a signature of external gas accretion. Such…
Giant Low-Surface Brightness Galaxies in the Global Picture of Galaxy Formation and Evolution
Fedor M. Kolganov, Igor V. Chilingarian, Anna S. Saburova +5
Giant low-surface brightness galaxies (gLSBGs) challenge standard merger-driven galaxy assembly models due to their large, dynamically cold disks, with radii often larger than 100~…
Dynamical Modeling of Kinematically Decoupled Galaxies: Structural Components
V. S. Goradzhanov, D. D. Mishurin, O. K. Sil'chenko +1
We present the results of dynamical modeling of two galaxies with inconsistent kinematics -- PGC 35706 and LEDA 2220522 -- using data from the MaNGA integral-field spectroscopic su…
HI Observations of Giant Low Surface Brightness Galaxies
Philip Lah, Nikhil Arora, Ivan Yu. Katko +5
Giant low surface brightness galaxies (gLSBs) are galaxies with extremely extended, faint, optical disks over 50 kpc in radius and have high total masses which can reach 10^12 sola…
MUSE Study of Two Giant Low-surface-brightness Galaxies with Compact Satellites
Anna S. Saburova, Damir Gasymov, Ivan S. Gerasimov +7
Giant low-surface-brightness disk galaxies (gLSBGs) are rare objects with disk radii up-to 160 kpc and dynamical masses of an order of up to 10 . Their very exist…
Optical Emission-Line Properties of eROSITA-selected SDSS-V Galaxies
Nadiia G. Pulatova, Evgenii Rubtsov, Igor V. Chilingarian +21
We present and discuss optical emission line properties obtained from the analysis of Sloan Digital Sky Survey (SDSS) spectra for an X-ray selected sample of 3684 galaxies (0.002 <…
A group of merging galaxies falling onto Abell 2142
Aashiya Anitha Shaji, Anaëlle Hallé, Damir Gasymov +3
Galaxy clusters produce a very hostile environment to galaxies, whose gas gets stripped by ram-pressure, suffer galaxy interactions and witness quenching of their star formation. C…
Stellar CoRGI in MaNGA: Stellar Counterrotating Galaxies Identified in the MaNGA Survey
Damir Gasymov, Ivan Yu. Katkov, Evgenii V. Rubtsov +8
Stellar counterrotating (CR) galaxies are systems hosting two large-scale stellar components rotating in opposite directions -- a main, preexisting galaxy body with an older stella…
Optical spectroscopy of host-galaxies of intermediate mass black holes: evolution of central black holes
V. Goradzhanov, I. Chilingarian, M. Demianenko +6
Intermediate-mass black holes (IMBHs) with masses below () are pivotal in understanding the origin and growth mechanisms of supermassive black holes (SMBHs…
A closer look at the extended edge-on low-surface brightness galaxies
Anna S. Saburova, Damir Gasymov, Evgenii V. Rubtsov +13
To understand the origin of extended disks of low-surface brightness (LSB) galaxies, we studied in detail 4 such systems with large disks seen edge-on. Two of them are edge-on gian…
Probing the History of the Galaxy Assembly of the Counter-rotating Disk Galaxy PGC 66551
Ivan Katkov, Damir Gasymov, Alexei Kniazev +4
Stellar counter-rotation in disk galaxies directly relates to the complex phenomenon of the disk mass assembly believed to be driven by external processes, such as accretion and me…
Detailed study of galaxies with the stellar counter-rotation phenomenon
Damir Gasymov, Ivan Katkov
The process of galactic disc growing is still not fully understood. In the majority of disk galaxies the gas and stars are located in the same plane and rotate in the same directio…
Fast interactive web-based data visualizer of panoramic spectroscopic surveys
Ivan Katkov, Damir Gasymov, Joseph D. Gelfand +7
Panoramic IFU spectroscopy is a core tool of modern observational astronomy and is especially important for galaxy physics. Many massive IFU surveys, such as SDSS MaNGA (10k target…
Star formation in outer rings of S0 galaxies. IV. NGC 254 -- a double-ringed S0 with gas counter-rotation
Ivan Katkov, Alexei Kniazev, Olga Sil'chenko +1
Although S0 galaxies are usually considered "red and dead", they often demonstrate star formation organized into ring structures. We aim to clarify the nature of this phenomenon an…
Non-parametric stellar LOSVD analysis
Damir Gasymov, Ivan Katkov
Ill-posed inverse problems are common in astronomy, and their solutions are unstable with respect to noise in the data. Solutions of such problems are typically found using two cla…