The 2X-HI disks of spiral galaxies

Barbel S. Koribalski

doi:10.1017/S1743921316011601

The 2X-HI disks of spiral galaxies

Barbel S. Koribalski

Western Sydney University

Research output: Contribution to journal › Article › peer-review

Abstract

The outskirts of galaxies - especially the very extended Hi disks of galaxies - are strongly affected by their local environment. I highlight the giant 2X-Hi disks of nearby galaxies (M 83, NGC 3621, and NGC 1512), studied as part of the Local Volume Hi Survey (LVHIS), their kinematics and relation to XUV disks, signatures of tidal interactions and accretion events, the MHI - DHI relation as well as the formation of tidal dwarf galaxies. - Using multi-wavelength data, I create 3D visualisations of the gas and stars in galaxies, with the shape of their warped disks obtained through kinematic modelling of their Hi velocity fields.

Original language	English
Pages (from-to)	232-234
Number of pages	3
Journal	Proceedings of the International Astronomical Union
Volume	11
Issue number	S321
DOIs	https://doi.org/10.1017/S1743921316011601
Publication status	Published - 2016

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title = "The 2X-HI disks of spiral galaxies",

abstract = "The outskirts of galaxies - especially the very extended Hi disks of galaxies - are strongly affected by their local environment. I highlight the giant 2X-Hi disks of nearby galaxies (M 83, NGC 3621, and NGC 1512), studied as part of the Local Volume Hi Survey (LVHIS), their kinematics and relation to XUV disks, signatures of tidal interactions and accretion events, the MHI - DHI relation as well as the formation of tidal dwarf galaxies. - Using multi-wavelength data, I create 3D visualisations of the gas and stars in galaxies, with the shape of their warped disks obtained through kinematic modelling of their Hi velocity fields.",

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PY - 2016

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AB - The outskirts of galaxies - especially the very extended Hi disks of galaxies - are strongly affected by their local environment. I highlight the giant 2X-Hi disks of nearby galaxies (M 83, NGC 3621, and NGC 1512), studied as part of the Local Volume Hi Survey (LVHIS), their kinematics and relation to XUV disks, signatures of tidal interactions and accretion events, the MHI - DHI relation as well as the formation of tidal dwarf galaxies. - Using multi-wavelength data, I create 3D visualisations of the gas and stars in galaxies, with the shape of their warped disks obtained through kinematic modelling of their Hi velocity fields.

UR - https://hdl.handle.net/1959.7/uws:64118

U2 - 10.1017/S1743921316011601

DO - 10.1017/S1743921316011601

M3 - Article

SN - 1743-9213

VL - 11

SP - 232

EP - 234

JO - Proceedings of the International Astronomical Union

JF - Proceedings of the International Astronomical Union

IS - S321

ER -

The 2X-HI disks of spiral galaxies

Abstract

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