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# Configurations for "fg21sim"
# -*- mode: conf -*-
#
# Syntax: `ConfigObj`, https://github.com/DiffSK/configobj
#
# There are various configuration options that specify the input data
# and/or templates required by the simulations, the properties of the input
# data, the output products, as well as some parameters affecting the
# simulation behaviors.
#
# This file contains the options corresponding the extragalactic emission
# components, which currently includes the following components:
# - clusters: halos
# - pointsources
[extragalactic]
# Extended emissions from the clusters of galaxies
# The configurations in this ``[[clusters]]`` section may also be
# used by the following ``[[halos]]`` section.
[[clusters]]
# The clusters catalog derived from the Hubble Volume Project (CSV file)
catalog = string(default=None)
# Output the effective/inuse clusters catalog data (CSV file)
catalog_outfile = string(default=None)
# Minimum mass change of the main cluster to be regarded as a merger
# event instead of an accretion event.
# Unit: [Msun]
merger_mass_min = float(default=1e12, min=1e10, max=1e14)
# Mass ratio of the main and sub clusters, below which is regarded as
# a major merger event.
ratio_major = float(default=3.0, min=1.0, max=10.0)
# The merger timescale, which roughly describes the duration of the
# merger-induced disturbance (~2-3 Gyr). This timescale is much longer
# the merger crossing time (~1 Gyr), and is also longer than the lifetime
# of radio halos.
# Unit: [Gyr]
tau_merger = float(default=3.0, min=1.0, max=5.0)
# Magnetic field scaling relation for clusters
# Reference: Cassano et al. 2012, A&A, 548, A100, Eq.(1)
#
# The mean magnetic field assumed
# Unit: [uG]
b_mean = float(default=1.9, min=0.1, max=10)
# The index of the scaling relation
b_index = float(default=1.5, min=0.0, max=3.0)
# Resolution for simulating each cluster templates, which are finally
# mapped to the all-sky HEALPix map if used.
# Unit: [arcsec]
resolution = float(default=30.0, min=5.0)
# Filename prefix for this component
prefix = string(default="cluster")
# Whether save this component to disk
save = boolean(default=True)
# Output directory to save the simulated results
output_dir = string(default=None)
# Emission of giant radio halos from galaxy clusters
[[halos]]
# Intensity of the turbulence acceleration.
beta_turb = float(default=0.3, min=0.1, max=2.0)
# Ratio of the total energy injected into cosmic-ray electrons during
# the cluster life to its total thermal energy.
eta_e = float(default=0.003, min=0.0, max=0.1)
# Minimum and maximum Lorentz factor (i.e., energy) of the relativistic
# electron spectrum.
gamma_min = float(default=1e1)
gamma_max = float(default=1e5)
# Number of momentum points/cells for solving the Fokker-Planck
# equation.
gamma_np = integer(default=200, min=50)
# Number of grid points used as the buffer region near the lower
# boundary, and the value within this buffer region will be fixed to
# avoid unphysical pile-up of low-energy electrons.
# Reference: Donnert & Brunetti 2014, MNRAS, 443, 3564, Sec.(3.3)
buffer_np = integer(default=5, min=0)
# Time step for solving the Fokker-Planck equation
# Unit: [Gyr]
time_step = float(default=0.01, min=1e-5, max=1.0)
# Index of the power-law spectrum assumed for the injected electrons.
injection_index = float(default=2.5)
# Extragalactic point sources
[[pointsources]]
# Whether save this point source catelogue to disk
save = boolean(default=True)
# Output directory to save the simulated catelogues
output_dir = string(default="PS_tables")
# PS components to be simulated
pscomponents = string_list(default=list())
# Resolution [arcmin]
resolution = float(default=0.6, min=0.0)
[[[starforming]]]
# Number of samples
numps = integer(default=1000)
# Prefix
prefix = string(default="SF")
[[[starbursting]]]
# Number of samples
numps = integer(default=1000)
# Prefix
prefix = string(default="SB")
[[[radioquiet]]]
# Number of samples
numps = integer(default=1000)
# Prefix
prefix = string(default="RQ")
[[[FRI]]]
# Number of samples
numps = integer(default=1000)
# Prefix
prefix = string(default="FRI")
[[[FRII]]]
# Number of samples
numps = integer(default=1000)
# Prefix
prefix = string(default="FRII")
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