Cosmic Insights: Statistical Frameworks for Astronomers

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Documentation for package ‘astronomR’ version 0.3.0

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boltzmann_pebble_rhs Boltzmann Relic-Abundance (Pebble) Equation dY/dx
constants_df Fundamental Physical Constants in SI and Natural Units
constant_value Retrieve the Value of a Physical Constant
deg2rad Convert Degrees to Radians
deg_to_dms Convert Decimal Degrees to Degrees, Minutes, and Seconds (DMS) Format
deg_to_hms Convert Decimal Degrees to Hours, Minutes, and Seconds (HMS) Format
dms_to_deg Convert Degrees, Minutes, and Seconds (DMS) to Decimal Degrees
drake_equation Estimate the Number of Communicating Civilizations via the Drake Equation
entropy_density Entropy Density of the Thermal Bath
equilibrium_number_density Equilibrium Number Density of a Massive Particle Species
equilibrium_yield Equilibrium Yield Y_eq as a Function of x = m/T
freeze_out_xf Approximate Freeze-Out Parameter x_f = m / T_f
get_gaia_data Query Gaia Archive Data
g_star_eff Effective Relativistic Degrees of Freedom g_*(T)
hms_to_deg Convert Hours, Minutes, and Seconds (HMS) to Decimal Degrees
hubble_radiation Hubble Rate in the Radiation-Dominated Era
km_to_Mpc Convert Kilometers to Megaparsecs
Mpc_to_km Convert Megaparsecs to Kilometers
peebles_rhs Peebles Equation for Hydrogen Recombination
photon_energy_density_fn_T Photon Energy Density as a Function of Temperature
photon_energy_density_fn_z Photon Energy Density as a Function of Redshift
photon_number_density_fn_T Photon Number Density as a Function of Temperature
photon_number_density_fn_z Photon Number Density as a Function of Redshift
rad2deg Convert Radians to Degrees
Saha_Xe Ionization Fraction Using the Saha Equation
soln_saha Deviation of Ionization Fraction from 0.5
solve_relic_abundance Solve the Boltzmann Relic-Abundance (Pebble) Equation