# 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) # The fraction that a cluster hosts a radio halo halo_fraction = float(default=None, min=0.0, max=1.0) # 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]] # Maximum redshift until where to tracing the cluster merging history # (e.g., when calculating the electron spectrum) zmax = float(default=3.0, min=0.0) # Redshift bin size for, e.g., calculating acceleration coefficients zbinsize = float(default=0.01, min=0.0, max=0.1) # Mass threshold of the sub-cluster to be regarded as a significant # merger. (unit: Msun) merger_mass_th = float(default=1e13, min=1e12) # Radius of the giant radio halo in clusters (unit: kpc) # XXX: currently only support a constant radius of halos radius = float(default=500.0, min=100.0) # Magnetic field scaling relation for clusters # Reference: Cassano et al. 2012, A&A, 548, A100, Eq.(1) # # The mean magnetic field assumed 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) # Fraction of the turbulence energy in the form of magneto-sonic waves. eta_t = float(default=0.3, min=0.0, max=1.0) # Ratio of the total energy injected in cosmic-ray electrons during the # cluster life to the present-day total thermal energy of the cluster. 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. pmin = float(default=1e1) pmax = float(default=1e5) # Number of points for the grid used during solving the Fokker-Planck # equation to calculate the electron spectrum. pgrid_num = integer(default=100, min=10) # 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. 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")