[Isac-journal-club] Journal Club Today 3:30

[journalclub]

Morning all,
Just a reminder that journal club is today at 3:30 in the MOB Theory Room
See you there.

---------- Forwarded message ----------
From: journalclub <journalclub at triumf.ca>
Date: 11 June 2018 at 20:32
Subject: [Isac-journal-club] Journal Club Wednesday June 13th 3:30
To: ISAC Journal Club <isac-journal-club at trmail.triumf.ca>


Hi everyone,

we will have a journal club this week, as usual on Wednesday at 3:30 in the
MOB Theory Room. This week, Brian will present an astrophysics paper on
everyone's favourite lettered process with the catchy title "The *r*-process
Pattern of a Bright, Highly *r*-process-enhanced Metal-poor Halo Star at
[Fe/H] ~ −2" (http://iopscience.iop.org/article/10.3847/2041-8213/
aaa9b4/meta or https://arxiv.org/abs/1801.07727). He comments that you can
skip the tables.

Questions:

Why would we want to look for r-process patterns in “metal-poor” stars?
Why are the sample sizes of “r-1” and “r-2” stars so small?
What is the significance of this star not being C-enhanced?
What is meant by a “limited” r-process and what can this observation tell
us about it?
How might this star influence our understanding of the origin of r-II
stars?
Is this surprising?

Hope to see you there!

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