3D spectroscopy of the ionized gas kinematics in galactic rings
A. V. Moiseev (Special Astrophysical Observatory, Russia)
TL;DR
This study uses 3D spectroscopy with a Fabry-Perot interferometer to analyze ionized gas kinematics in galactic rings, revealing their formation mechanisms related to different galactic interactions.
Contribution
It provides detailed velocity field analysis of galactic rings, distinguishing their formation processes through ionized gas kinematics.
Findings
Different ring types are caused by various interactions like merging and collisions.
Velocity fields help understand the formation mechanisms of galactic rings.
The study demonstrates the effectiveness of Fabry-Perot interferometry in galactic kinematic analysis.
Abstract
The kinematics of galactic rings were studied with a scanning Fabry-Perot interferometer mounted in the multi-mode focal reducer SCORPIO (Afanasiev & Moiseev 2005) at the SAO RAS 6-m telescope. The analysis of the ionized gas velocity fields allows us to understand the nature of the ring formation in several galaxies. The different types of the rings in the presented objects (resonanced, collisional, polar) were caused by the various sorts of interactions: merging, head-on collisions.
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Taxonomy
TopicsAstronomical Observations and Instrumentation · Stellar, planetary, and galactic studies · Astronomy and Astrophysical Research