<< CosmoTeaching

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Galaxy formation course

0800-WZAT

when/where

• TODO: negotiate days/times with the students
  • As of 2025-02-18, a room at IF has been allocated from 16:00-20:00 on Tuesdays. This is impractical for a course with a numerical component. In reality we need the IA seminar room + Room 48 for the numerical practical sessions.

what

official description for usosweb

• licence for this original version: CC0; the official version is a derivation of the original source here
• en: galaxy formation
  • A brief overview of galaxy formation within a simplified cosmological context will be presented. Topics include: post-CMB power spectrum of Gaussian random fluctuations; 3-torus N-body simulations for non-linear structure formation; dark matter halo detection in N-body simulations; halo/galaxy merger history trees; galaxy formation recipes. Students will be expected to compile and run the corresponding five free-and-open-software (FOSS) programs: Mpgrafic, Ramses, Rockstar, Ctrees/Convertctrees, Sage.
• pl: powstawania galaktyk
  • Przedstawiony zostanie krótki przegląd powstawania galaktyk w uproszczonym kontekście kosmologicznym. Tematy obejmują: post-CMB widmo-moc Gaussowych losowe fluktuacje; simulacji N-ciała 3-torusowych dla nielinearnej formacji struktury; wykrywanie halo ciemnej materii w symulacjach N-ciała; merger history trees halo/galaktyk; przepisy formacji galaktyki. Oczekuje się, że studenci skompilują i uruchomią odpowiednie pięć programów pod licencji wolnego i otwarte oprogramowania (FOSS): Mpgrafic, Ramses, Rockstar, Ctrees/Convertctrees, Sage.

numerical outline

• Sections 2.1.1, 2.1.2, 2.1.3, 2.1.4, 2.1.5 of Peper & Roukema (2021), "The role of the elaphrocentre in void galaxy formation" ArXiv:2010.03742, AdsAbs:2021MNRAS.505.1223P

exam

• en: The exam method will be negotiated with the students during the course.

extra material

Since students at this level will not have studied SR/GR/cosmology, the linear and mildly non-linear regimes of structure formation will not be covered in this mini-course.

• linear perturbation theory reviews
  • ArXiv:astro-ph/0112551 - Large-Scale Structure of the Universe and Cosmological Perturbation Theory, F. Bernardeau, S. Colombi, E. Gaztanaga, R. Scoccimarro - big paper
  • Daniel Baumann, "Cosmology - Part III Mathematical Tripos", (archived) Chapter 4 for perturbation theory
  • http://sancerre.as.arizona.edu/~fan/Home/AST541_files/SphericalCollapse.pdf - Xiaohui Fan - 20 pp
  • more advanced:
    • AdsAbs:1989PhRvD..40.1804E - Ellis & Bruni 1989
    • ArXiv:astro-ph/9311041 - Durrer 1993
    • AdsAbs:1984PThPS..78....1K - Kodama & Sasaki 1984

-- BoudRoukema - 18 Feb 2025 + ...