Accurate visualization of galaxy velocity fields from three-dimensional integral field spectroscopy data

Published by Issei FUJISHIRO on

Rikuo UchikiMalik Olivier BoussejraLiyu Zhu, Yuriko Takeshima, Kazuya Matsubayashi, Makoto Uemura, Issei Fujishiro

EuroVis 2020 Posters, Norrköping, Sweden, May 2020

[doi: 10.2312/eurp.20201123]

In recent years, integral field spectroscopy (IFS) has become a major methodology in observational astronomy. Visual analysisof galactic motions is expected to play a crucial role in discovering the physical properties of galaxies. This poster presents anovel method for visualizing galaxy-specific motions using an emerging visual programming environment, Advanced Frameworkfor Learning Astrophysical Knowledge (aflak), for visual analysis of three-dimensional IFS data. We demonstrate that theline-of-sight velocity of each region of galaxies can be more accurately visualized by coupling two specific kinds of aflakmacros for generating position-velocity diagrams and deriving velocity fields.

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