Active Galactic Nuclei among Polar-Ring Galaxies
@article{Smirnov2020ActiveGN, title={Active Galactic Nuclei among Polar-Ring Galaxies}, author={Dmitry Smirnov and Vladimir P Reshetnikov}, journal={Astronomy Letters}, year={2020}, volume={46}, pages={501 - 508} }
Based on SDSS data, we consider the fraction of active galactic nuclei among polar-ring galaxies. We have found evidence for an excess of Seyfert galaxies and LINERS among polar-ring galaxies compared to ordinary objects. The observed nuclear activity of polar-ring galaxies may be associated with the accretion of gas from the region of the polar structures onto the central galaxies.
References
SHOWING 1-10 OF 47 REFERENCES
Astrophysics of Gaseous Nebulae and Active Galactic Nuclei
- Physics
- 1989
Preface Preface to First Edition General Introduction Photoionization Equilibrium Thermal Equilibrium Calculation of Emitted Spectrum Comparison of Theory with Observations Internal Dynamics of…
A new catalogue of polar-ring galaxies selected from the Sloan Digital Sky Survey
- Physics
- 2011
Galaxies with polar rings (PRGs) are a unique class of extragalactic objects. Using these, we can investigate a wide range of problems, linked to the formation and evolution of galaxies, and we can…
Direct Effects of the Environment on AGN Triggering in SDSS Spiral Galaxies: Merger-AGN connection
- PhysicsMonthly Notices of the Royal Astronomical Society
- 2019
We examine whether galaxy environments directly affect triggering nuclear activity in Sloan Digital Sky Survey (SDSS) local spiral galaxies using a volume-limited sample with the r-band absolute…
The host galaxies of active galactic nuclei
- Physics
- 2003
We examine the properties of the host galaxies of 22 623 narrow-line active galactic nuclei (AGN) with 0.02 < z < 0.3 selected from a complete sample of 122 808 galaxies from the Sloan Digital Sky…
Polar-ring galaxies: New candidates and statistics
- Physics
- 2011
We present the results of our observational study of two candidates for polar-ring galaxies (PRGs). Both objects, A2330-3751 and SDSS J000911.57-003654.7, are giant edge-on galaxies with large-scale…
Formation of Polar Ring S0 Galaxies in Dissipative Galaxy Mergers
- Physics
- 1997
We numerically investigate stellar and gasdynamics of galaxy mergers between gas-rich, late-type spirals in order to explore the origin of polar ring S0 galaxies. We found that dissipative galaxy…
THE OPTX PROJECT. V. IDENTIFYING DISTANT ACTIVE GALACTIC NUCLEI
- Physics
- 2011
The Baldwin, Phillips, and Terlevich emission-line ratio diagnostic ([O iii]/Hβ versus [N ii]/Hα, hereafter BPT diagram) efficiently separates galaxies whose signal is dominated by star formation…
The shape of the dark halo in polar-ring galaxies
- Physics
- 1987
Photometric and kinematic observations of the polar-ring galaxies NGC 4650A and ESO 415-G26 are presented. The inner component of each system is an S0 galaxy, as was previously found in the case of…
H I maps of S0 galaxies with polar rings
- Physics
- 1987
VLA maps in the 21 cm line of neutral hydrogen have been obtained for three S0 galaxies with polar rings, and an upper limit on H I has been obtained for a fourth system. Polar rings span a…