Richard Stiskalek: Publications

MEGATRON: the impact of non-equilibrium effects and local radiation fields on the circumgalactic medium at cosmic noon

(2025)

Authors:

Corentin Cadiou, Harley Katz, Martin P Rey, Oscar Agertz, Jeremy Blaizot, Alex Cameron, Nicholas Choustikov, Julien Devriendt, Uliana Hauk, Gareth C Jones, Taysun Kimm, Isaac Laseter, Sergio Martin-Alvarez, Kosei Matsumoto, Camilla T Nyhagen, Autumn Pearce, Francisco RodrÃguez Montero, Joki Rosdahl, VÃctor Rufo Pastor, Mahsa Sanati, Aayush Saxena, Adrianne Slyz, Richard Stiskalek, Anatole Storck, Wonjae Yee

MEGATRON: how the first stars create an iron metallicity plateau in the smallest dwarf galaxies

(2025)

Authors:

Martin P Rey, Harley Katz, Corentin Cadiou, Mahsa Sanati, Oscar Agertz, Jeremy Blaizot, Alex Cameron, Nicholas Choustikov, Julien Devriendt, Uliana Hauk, Alexander P Ji, Gareth C Jones, Taysun Kimm, Isaac Laseter, Sergio Martin-Alvarez, Kosei Matsumoto, Autumn Pearce, Yves Revaz, Francisco Rodriguez Montero, Joki Rosdahl, Aayush Saxena, Adrianne Slyz, Richard Stiskalek, Anatole Storck, Oscar Veenema, Wonjae Yee

MEGATRON: reproducing the diversity of high-redshift galaxy spectra with cosmological radiation hydrodynamics simulations

(2025)

Authors:

Harley Katz, Martin P Rey, Corentin Cadiou, Oscar Agertz, Jeremy Blaizot, Alex Cameron, Nicholas Choustikov, Julien Devriendt, Uliana Hauk, Gareth C Jones, Taysun Kimm, Isaac Laseter, Sergio Martin-Alvarez, Kosei Matsumoto, Autumn Pearce, Francisco RodrÃguez Montero, Joki Rosdahl, Mahsa Sanati, Aayush Saxena, Adrianne Slyz, Richard Stiskalek, Anatole Storck, Oscar Veenema, Wonjae Yee

Symmetry in Hyper Suprime-Cam Galaxy Spin Directions

Research Notes of the American Astronomical Society American Astronomical Society 8:11 (2024) 281

Authors:

Richard Stiskalek, Harry Desmond

Abstract:

We perform a Bayesian analysis of anisotropy in binary galaxy spin directions in the Hyper-Suprime Cam Data Release 3 catalog, in response to a recent claim that it exhibits a dipole. We find no significant evidence for anisotropy, or for a direction-independent spin probability that differs from 0.5. These results are unchanged allowing for a quadrupole or simply searching for a fixed anisotropy between any two hemispheres, and the Bayes factor indicates decisive evidence for the isotropic model. Our principled method contrasts with the statistic employed by Shamir, which lacks a strong theoretical foundation. Our code is available at ✎.

Evaluating the reconstruction of individual haloes in constrained cosmological simulations

(2023)

Authors:

Richard Stiskalek, Harry Desmond, Julien Devriendt, Adrianne Slyz

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