galaxy clusters with alma
DESCRIPTION
Kelley Liebst AST 591 School of Earth and Space Exploration Arizona State University. Galaxy clusters with Alma. ALMA Design Reference Plan. Galaxies and Cosmology Star and Planet Formation Stars and Their Evolution Solar System Mm VLBI. ALMA Design Reference Plan. - PowerPoint PPT PresentationTRANSCRIPT
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Kelley Liebst
AST 591
School of Earth and Space Exploration
Arizona State University
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ALMA Design Reference Plan Galaxies and Cosmology Star and Planet Formation Stars and Their Evolution Solar System Mm VLBI
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ALMA Design Reference Plan Galaxies and Cosmology
The High-Redshift UniverseGravitational LensesQuasar Absorption LinesSunyaev-Zeldovich Effect with ALMAGas in Galactic NucleiThe AGN EngineGalaxies in the Local UniverseALMA an the Magellanic CloudsGamma Ray Bursts
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Outline
What are galaxy clusters? How do cluster galaxies interact with
their environment?ICM - ISM interactionTidal interactionMergers
How will ALMA allow us to investigate this?
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Galaxy Clusters
Image: <http://www.astro.sunysb.edu/fwalter/AST101/galaxies.html>
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Galaxy Clusters
Image: <chandra.harvard.edu/photo/2008/a1689>
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Galaxy Clusters
Image: Icke, 2004
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ICM – ISM Interaction
Image: van Gorkom, 2004
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ICM – ISM Interaction
Image: van Gorkom, 2004
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ICM – ISM Interaction
Image: van Gorkom, 2004
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ICM – ISM Interaction
Image: van Gorkom, 2004
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ICM – ISM Interaction
Image: Moore, 2004
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Tidal Interactions
Tidal perturbation parameter (Varela, 2004)
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Tidal Interactions
Image: Icke, 1985
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Mergers
It’s time for Youtube!
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Mergers
Without global tidal interaction With global tidal interaction
Images: Mihos, 2004
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Galaxy Clusters with ALMA Galaxies and Cosmology
Sunyaev-Zeldovich Effect with ALMA○ Imaging galaxy cluster mergers via the
Sunyaev-Zeldovich effect○ Sunyaev-Zeldovich Effect of Galaxy Clusters
at High Redshift
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Galaxy Clusters with ALMA Sunyaev-Zeldovich Effect = the inverse Compton
scattering of the cosmic microwave background by hot elections (Kitayama et al., 2004)
Images: SZA at Chicago
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Galaxy Clusters with ALMA ALMA provides good resolution at
wavelengths relevant to SZE
dlTnI eeSZE dlTnI eerayx2/12
(Kitayama et al., 2004)
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Galaxy Clusters with ALMA
Image: Kitayama et al., 2004
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Conclutions
Galaxies interact with each other and the ICM in clusters through ram-pressure stripping of the ISM, tidal interactions with other galaxies, and mergers with other galaxies
ALMA can probe the history of interactions in a cluster through the Sunyaev-Zuldovich Effect
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References Icke, V., A&A 144, 115-123, 1985 Kitayama, T., et al., Astron. Soc. Japan 56, 17-
28, 2004 Mihos, J. C., Carnegie Observatories
Astrophysics Series, Vol. 3, 2004 Moore, B., Carnegie Observatories
Astrophysics Series, Vol. 3, 2004 SZA at Chicago,
<http://astro.uchicago.edu/sza/primer.html> van Gorkom, J. H., Carnegie Observatories
Astrophysics Series, Vol. 3, 2004 Varela, J., et al., A&A 420, 873-879, 2004