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Walking the Line 2018

Phoenix, Arizona, US, March 14-16 2018
A 3-day workshop focused on the art of modeling line emission from
the interstellar medium ​of galaxies near and far.
Conference proceedings paper
Recorded talks and slides
Background image by Ken Crawford : http://www.imagingdeepsky.com
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From hydrodynamics to line excitation

Line emission from the Interstellar Medium (ISM) of galaxies carries information that can can help us understand galaxy evolution. Observing line emission at different wavelengths, has the prospect of revealing amount, composition and state of the ISM, as well as trace galaxy properties such as star formation rate (SFR), metallicity and dynamics. Vital for the interpretation of such observations, and the focus of this meeting, was the theoretical modeling of line emission escaping a galaxy. The aim of this workshop was to shed light on the following: 

➵ What are the best emission lines to trace various ISM properties?
​➵  How can we use emission lines to trace feedback and ISM evolution with redshift?
​➵  Where do we stand in deriving sub-grid physics and comparing codes?

And finally; what are the next big questions for theorists in this field, and how do we coordinate our efforts?

Confirmed invited speakers:
Gary Ferland
Gergö Popping
Andrea Pallottini

This
workshop gathered experts from around the world  for three intense days of presentations, group discussion and break-out sessions. The workshop sessions was not limited to any particular wavelength or redshift, and joined theoretical astronomers, from grad students to professors, to further advance the field of synthetic observations.
Examples of recent work on simulating line emission. Left: Surface brightness of [CII] in a z~6 Lyman-break galaxy [Pallottini+17]. Middle: cloudy model predictions for the [OIII]88/[NII]122 micron ratio as a function of metallicity [Rigopoulou+17]. Right: Models of optical emission line ratios from simulated massive galaxies [Hirschmann+17].

Important dates

Dec 15
Announcement: Registration open
Jan 15
Registration deadline
March 14
​Conference begins
March 16
Conference ends

Supported by:

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Prof. Rogier Windhorst, Co-Director of the ASU Cosmology Initiative, and James Webb Space Telescope Interdisciplinary Scientist.
In media partnership with:
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LOC
Karen Pardos Olsen​
Evan Scannapieco

Karen Knierman
Michael Ruppert

​Judd Bowman
Lily Whitler
​Sean Bryan

Jacob Cluff
​Michael McLendon
Margaret Hufford








SOC
Karen Pardos Olsen
Claudia Lagos

Enrique Vazquez Semadeni
Livia Vallini

Kristian Finlator
Thomas Greve
Desika Narayanan
Evan Scannapieco
Thomas Bisbas
Thomas Haworth



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