[AGORA-mailing-list] [AGORA] Beta release of Paper VI: "CGM" (for submission to ApJ)

[Johnny Powell]

Clayton,

CONGRATULATIONS!

johnny

On Wed, Jul 12, 2023 at 10:39 AM Clayton Strawn <cjstrawn at ucsc.edu> wrote:

> Dear AGORA Colleagues,
>
> Thank you very much as always for your participation in AGORA. I am
> Clayton Strawn, a graduate student working with Joel Primack at UCSC, and I
> am writing this email on behalf of myself, Santi, Joel, Ji-hoon, and all
> other co-authors of AGORA Paper VI: "CGM."
>
> --
> [1] Recent AGORA Efforts
>
> As you are well aware, in the past 2 years the Collaboration has been
> working hard to analyze the cosmological zoom-in simulations of a MW-mass
> galaxy introduced in AGORA Paper III (“CosmoRun”; Roca-Fabrega et al.
> 2021).  Since Paper III, we have been working on mainly three fronts:
> - Paper IV (“CosmoRun2”): continue our comparison of CosmoRun at z~2 and
> below, while introducing AREPO to AGORA
> - Paper V (“Satellites”): compare the satellite galaxy/halo populations at
> z~2, using 7 CosmoRuns and 7 counterpart DMO runs
> - Paper VI (“CGM”): compare the circumgalactic medium at z~1 and z~3 among
> the simulations and with observations
>
> [2] AGORA Paper “CGM” Beta Release
>
> ● We are pleased to announce that Paper VI “CGM” is ready for submission
> to the ApJ.  The draft was signed off by all the co-authors and the AGORA
> Steering Committee. The main result of this work is that there is
> substantial difference between the codes in the CGM, mostly due to
> different generation and dispersion of metals from different feedback
> recipes, but with some effects of grid vs particle codes and other
> particularities as well. Regardless, we find that most codes have fairly
> low detected column densities in common ions, and most interestingly
> (figure 13) that different ions do not follow similar dynamical rules --
> low ion column densities are mostly determined by the ion fraction along
> the line of sight, and fairly insensitive to metallicity of the individual
> code (which varies a lot), while high ions are mostly determined by the
> metallicity and all fall in roughly the same area in ion fraction. This
> result was made much more clear by the carefully calibrated process used in
> AGORA, as having vastly different galaxies or parameters would have
> obscured this result, as we talk about in the end of Section 3.4.
>
> https://drive.google.com/file/d/14s8ZdVMLXSYKz3A5JA_aR2Con6-b6sth/view?usp=drive_link
>
> ● During the “beta release”, we would be happy to hear your last-minute
> comments and feedback by July 26 (Wed), although major changes to the
> manuscript may not be desired at this point, as the draft has been
> circulating among increasingly larger audiences for months.  Please feel
> free to email any of your thoughts directly to Clayton, Santi, or Ji-hoon.
> We plan to submit the paper to the ApJ right afterwards.  We thank you in
> advance for your valuable insights.
>
> [3] Timeline for Papers IV to VI
>
> ● The Paper VI co-authors have agreed to first submit the paper to ApJ
> after the beta release, but *not* to the arXiv yet.  While Paper VI moves
> through the referee process, Paper IV will be wrapped up by Santi
> Roca-Fabrega et al and submitted to ApJ *and* arXiv, at which point Paper
> VI will also be posted on the arXiv, alongside Paper V (Satellites), which
> is also already submitted and will hopefully be accepted during this time.
>
> ● You are welcomed to contribute to any other ongoing projects in AGORA (
> https://sites.google.com/site/projectagoraworkspace/collaborative-documents/progress-report-25).
> Please feel free to talk to Ji-hoon if you’d like to do so.
>
> --
> Thank you again for your help and interest in AGORA!
>
> Sincerely,
> Clayton, Santi, Joel, and Ji-hoon on behalf of the co-authors of AGORA
> Paper VI
>
> --
> Physics Department UC Santa Cruz
> 1156 HIGH STREET, SANTA CRUZ, CA 95064
> 916-749-2940
>
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