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Disentangling the intragroup HI in Compact Groups of galaxies by means of X3D visualization

Published online by Cambridge University Press:  21 March 2017

Lourdes Verdes-Montenegro ,
Frederic Vogt ,
Claire Aubery ,
Laetitie Duret ,
Julián Garrido ,
Susana Sánchez ,
Min S. Yun ,
Sanchayeeta Borthakur ,
Kelley Hess  and
Michelle Cluver
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Lourdes Verdes-Montenegro
Affiliation:
IAA-CSIC, Granada, Spain email: [email protected], [email protected], [email protected], [email protected], [email protected]
Frederic Vogt
Affiliation:
European Southern Observatory (ESO), Vitacura, Santiago, Chile email: [email protected]
Claire Aubery
Affiliation:
Aix-Marseille Universite (Stage L3MPCI), Marseille, France email: [email protected], [email protected]
Laetitie Duret
Affiliation:
UMass, Amherst, Massachusetts email: [email protected]
Julián Garrido
Affiliation:
IAA-CSIC, Granada, Spain email: [email protected], [email protected], [email protected], [email protected], [email protected]
Susana Sánchez
Affiliation:
IAA-CSIC, Granada, Spain email: [email protected], [email protected], [email protected], [email protected], [email protected]
Min S. Yun
Affiliation:
UMass, Amherst, Massachusetts email: [email protected]
Sanchayeeta Borthakur
Affiliation:
JHU, Baltimore, Maryland email: [email protected]
Kelley Hess
Affiliation:
ASTRON, the Netherlands Institute for Radio Astronomy, Dwingeloo, the Netherlands email: [email protected]
Michelle Cluver
Affiliation:
Department of Physics and Astronomy, University of the Western Cape, Robert Sobukwe Road, Bellville, 7535, South Africa email: [email protected]
Ascensión del Olmo
Affiliation:
IAA-CSIC, Granada, Spain email: [email protected], [email protected], [email protected], [email protected], [email protected]
Jaime Perea
Affiliation:
IAA-CSIC, Granada, Spain email: [email protected], [email protected], [email protected], [email protected], [email protected]
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Abstract

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As an extreme kind of environment, Hickson Compact groups (HCGs) have shown to be very complex systems. HI-VLA observations revealed an intrincated network of HI tails and bridges, tracing pre-processing through extreme tidal interactions. We found HCGs to show a large HI deficiency supporting an evolutionary sequence where gas-rich groups transform via tidal interactions and ISM (interstellar medium) stripping into gas-poor systems. We detected as well a diffuse HI component in the groups, increasing with evolutionary phase, although with uncertain distribution. The complex net of detected HI as observed with the VLA seems hence so puzzling as the missing one. In this talk we revisit the existing VLA information on the HI distribution and kinematics of HCGs by means of X3D visualization. X3D constitutes a powerful tool to extract the most from HI data cubes and a mean of simplifying and easing the access to data visualization and publication via three-dimensional (3-D) diagrams.

Keywords

Galaxiescompact groupsgalaxy evolutionvisualization
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , Symposium S321: Formation and Evolution of Galaxy Outskirts , March 2016 , pp. 241 - 243
Copyright
Copyright © International Astronomical Union 2017 

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