New Paper: The AGORA High-Resolution Galaxy Simulations Comparison Project

Today, we have posted our flagship paper on the AGORA galaxy formation simulation comparison project. I’m extremely happy to be a part of this collaboration to further understand the differences between astrophysical simulation codes. This paper outlines the philosophy behind the project and serves as a platform for independent scientific projects, which we have covered in this paper in the Appendix. This is just the start of the papers that will come out of this project, which we will discuss in an upcoming AGORA workshop next week in Santa Cruz.

KITP Notes – Massive Black Holes – Friday

Novak – “Hydrodynamic simulations of black hole fueling and feedback”

  • “Nuclear physics”: not analytic, non-local, inhomogeneous, coupled at vastly different length scales, energy generation affects fueling
  • Axi-symmetric simulations: 2.5pc to 250kpc scales, run for Gyrs.  See his papers in the last few years. Physically rich model (RT, feedback, dust models & opacity, etc.) Continue reading KITP Notes – Massive Black Holes – Friday

KITP Notes – Massive Black Holes – Thurs PM

Gültekin – “Probing the black hole-­‐galaxy scaling relations: present and past”

  • Uncorrelated BH seeding -> M-sigma.  I first saw this in a conference in Potsdam (2010). Interesting, but they considered a 100% occupation fraction. Peng (2007), Jahnke & Maccio (2010).
  • Low scatter in M-sigma, but there are some outliers (e.g. NGC 1277)! Forming too many / little stars.  Are there selection effects?
  • Low-mass end is important to understand the BH seeds
  • High-mass end is also important! 1010 Msun implied in some hosts.

Continue reading KITP Notes – Massive Black Holes – Thurs PM

02,05 Aug 2013

  • (abs, pdf) Gnedin et al., Co-Evolution of Galactic Nuclei and Globular Cluster Systems
  • (abs, pdf) Reines et al., Dwarf Galaxies with Optical Signatures of Active Massive Black Holes
  • (abs, pdf) Michaela et al., Cosmological simulations of black hole growth: AGN luminosities and downsizing
  • (abs, pdf) Yajima & Li, Distinctive 21 cm structures of the first stars, galaxies, and quasars
  • (abs, pdf) Mayer, Massive Black Hole binaries in gas-rich galaxy mergers; multiple regimes of orbital decay and interplay with gas inflows