diff --git a/project_description.md b/project_description.md index b00b4beb1b4203b0d30e3f958df0bbbcea884c3c..c1f3911babfb079ce10c2f68fa542045e9a989de 100644 --- a/project_description.md +++ b/project_description.md @@ -14,68 +14,90 @@ To run the code with different setting we shall use mcluster to generate these d Sergi Pradas ## Period: -1 july - End of August (exact dates YTBD) +1 july - 24 August + +## Meetings: +Meetings will be on monday and thursday 12 o clock. +Monday will be a bit more extensive. +Thursday will be just to make sure things are going smooth through the week. + ## Week to week plan: -### week 1: +### Week 1 (1-7 July): Getting into the theory: - [ ] Reading into Globular clusters and Open/Young clusters - [ ] Reading into stellar evolution - [ ] Get familiar in the group +- [ ] Look at python (see coding tab) -### week 2: +### Week 2 (8-14 July): continuing theory and doing some calculations: - [ ] Get more into stellar evolution - [ ] Read into stellar formation - [ ] Get familiar with concepts like initial mass function, black hole formation - [ ] Calculate 'goldilock zone' for cluster (calculating escape velocity based on cluster parameters to see which parameters allow for escaping of black holes) - [ ] Calculate, using the IMF and a range of masses, how many black holes will form in a cluster of a given mass. -### week 3: +### Week 3 (15-21 July): Starting up some simulations: - [ ] Using the results of last week, decide on initial conditions of the cluster that we will evolve. - [ ] Read a bit about the N-Body6/7 code - [ ] Set up some initial simulations and get the output -### week 4: +### Week 4 (22-28 July): Work on simulations and scripts to analyse: - [ ] Do simulation of some clusters - [ ] Start with analysing results of the first simulations - [ ] Make some scripts to analyse the data, try to interpret it and understand it -### week 5: +### Week 5 (29 July - 4 Aug): - [ ] Run some higher resolution simulations - [ ] Possibly set up a very big simulation - [ ] Analyse the results -### week 6: +### Week 6 (5-11 Aug): Play with extremes: - [ ] Decide whether to do more simulations - [ ] Modify some physics and try out some hacks (e.g. putting some initial black holes in the cluster) -### week 7: +### Week 7 (12-18 Aug): Wrapping up project: This is coming to the end but its also quite far away, so the goals here are a bit general - [ ] Analyse data from calculations - [ ] Write up results and write up a form of report -### week 8: +### Week 8 (19-24 Aug): - [ ] Same as week 7 -## Reading material: -* [http://arxiv.org/abs/1902.07718](http://arxiv.org/abs/1902.07718) -* https://www.ph.unimelb.edu.au/~mtrenti/Site/slides/StarClusters_Lecture1.pdf -* https://www.ast.cam.ac.uk/~vasily/Lectures/SDSG/sdsg_7_clusters.pdf -* https://www.sns.ias.edu/tremaine/lectures/ast513/globular -* http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1991ARA%26A..29..543H&db_key=AST&high=384ab081c814843 -* http://adsabs.harvard.edu/abs/2013MNRAS.432.2779B -* http://adsabs.harvard.edu/abs/2019arXiv190207718B -* [Website containing some lectures on N-body integration](http://silkroad.bao.ac.cn/web/index.php/seminars/lectures) -* https://arxiv.org/abs/1711.09100 -* http://epubs.surrey.ac.uk/812065/1/MNRAS-2016-Peuten-2333-42.pdf -* https://arxiv.org/pdf/1712.03979.pdf -* https://arxiv.org/pdf/1708.09530.pdf +## Coding +We will need some programming language to analyze the data, as well as using a simulation tool to generate the data. -## Added by imran: -* http://www.astro.caltech.edu/~george/ay20/eaa-globcl.pdf +The simulation tool will be NBODY6(++/7) -# background material -* http://www.thijskouwenhoven.net/nbody.html +The analysis tootl will be python. +The most important python packages in this case will be the following: +* `matplotlib` (For plotting) +* `numpy` (For numerical operations mostly) +* `scipy` (For statistical tools) +* `HDF5` (to read out the files) +* `pandas` (For data manipulation this tool is quite nifty) +* Common things like `sys`, `os`, +## Reading material: +### Introductionary reading material: +* https://www.ph.unimelb.edu.au/~mtrenti/Site/slides/StarClusters_Lecture1.pdf : Introductionary text on star clusters. Goes into the demography of clusters and their properties +* https://www.ast.cam.ac.uk/~vasily/Lectures/SDSG/sdsg_7_clusters.pdf : Same but a bit more indepth on globular clusters +* http://www.astro.caltech.edu/~george/ay20/eaa-globcl.pdf : Introduction on globular clusters from an observational point of view +* http://www.thijskouwenhoven.net/nbody.html : Website with lecutre notes on nbody simulations and the nbodyX software +* Reading material in materials/ dir + +### In depth reading material +* [http://arxiv.org/abs/1902.07718](http://arxiv.org/abs/1902.07718): Paper on the implementation of new physics prescriptions into NBODY6. Shows some interesting results on BH retention +* https://www.sns.ias.edu/tremaine/lectures/ast513/globular : Overview of indepth papers on globular clusters +* [Website containing some lectures on N-body integration](http://silkroad.bao.ac.cn/web/index.php/seminars/lectures) +* https://arxiv.org/pdf/1708.09530.pdf : Nice paper on the initial mass function of stars in globular clusters, and how black hole retention plays a role in mass segregation +* https://arxiv.org/pdf/1712.03979.pdf : Paper on observational signatures of black hole populations in globular clusters +* https://arxiv.org/abs/1711.09100 : Quite a theoretical paper on the evolution of kicked black holes; what does the surrounding environment do to influence where they end up after a kick? +* http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?1991ARA%26A..29..543H&data_type=PDF_HIGH : observational paper on cluster properties: Catalogue of known clusters. This is a popular paper which contains a collection of the then known GCs in the local group. +* http://epubs.surrey.ac.uk/812065/1/MNRAS-2016-Peuten-2333-42.pdf : Paper which tries to determine whether a specific GC has a BH population, based on analyzed properties compared to nbody simulations +* https://arxiv.org/abs/1906.11855 : (!) Paper just released which contains part of our project goal. Quite an indepth paper which covers a lot of material that will be of interest to us. + +### Other: +* http://adsabs.harvard.edu/abs/2013MNRAS.432.2779B : Paper where we got the inspiration for the project. Important paper for the general idea, but difficult in theoretical level ## Some watching material: * https://www.cita.utoronto.ca/presentation-archive/?talk_id=745