All Astronomy Calculators Related Post

Merger Tree Calculator Descendant Halo Mass (M₀ in 10¹² M⊙): Progenitor Mass Ratio (ξ = M₁/M₂, 10⁻³ to 1): Redshift (z, 0 to 6): Calculate Merger Rate About the Merger Tree Calculator The Merger Tree Calculator is an advanced scientific tool that computes the dark matter halo merger rate per halo using the peer-reviewed, nearly […]

Tidal Stripping Calculator Host Galaxy Mass (M⊙): Satellite Galaxy Mass (M⊙): Initial Separation (kpc): Time (Gyr): Calculate Results Estimated Stripped Mass: M⊙ Remaining Satellite Mass: M⊙ Tidal Radius: kpc Stripping Fraction: % About the Tidal Stripping Calculator The Tidal Stripping Calculator is a scientifically designed tool to help astronomers, astrophysicists, and researchers estimate the effects

Dynamical Friction Calculator Calculate Dynamical Friction Deceleration Enter the parameters to calculate the dynamical friction deceleration using Chandrasekhar’s formula. Test Particle Mass (M, in solar masses M⊙): Velocity of Test Particle (v, in km/s): Background Density (ρ, in M⊙/pc³): Velocity Dispersion (σ, in km/s): Coulomb Logarithm (ln Λ): Calculate About the Dynamical Friction Calculator The

Subhalo Mass Calculator Halo Mass (M⊙): Redshift (z): Slope parameter α: Calculate Results Subhalo Mass Function (dN/dM_sub at 0.01 M_halo): Typical Subhalo Mass (0.01 M_halo): M⊙ Number of Subhalos > 0.01 M_halo: About the Subhalo Mass Calculator The Subhalo Mass Calculator is a scientifically designed tool to help astrophysicists, astronomers, and researchers estimate subhalo masses

Einasto Profile Calculator Central Density ρ₀ (M⊙/pc³): Typical values: 10⁶ to 10⁹ M⊙/pc³ for galaxies Scale Radius r₂ (kpc): Radius where slope = -2 Einasto Index n: Typical n: 4–8 (higher = more centrally concentrated) Radius r (kpc): Calculate Einasto Profile About the Einasto Profile Calculator The Einasto Profile Calculator is a scientifically accurate, astrophysics-grade

Halo Mass Function Calculator Redshift (z): Log10 of Halo Mass (M_sun/h): Number of Mass Bins for Plot: Calculate Results dn/dlnM at M = 10^ M_sun/h: (h^3 Mpc^-3) About the Halo Mass Function Calculator The Halo Mass Function Calculator is a scientifically designed tool to help astrophysicists, cosmologists, and researchers estimate the comoving number density of

Navarro-Frenk-White Profile Calculator Dark Matter Concentration (ρ_s, GeV/cm³): Scale Radius (r_s, kpc): Radius (r, kpc): Calculate Results NFW Density Profile ρ(r): GeV/cm³ Enclosed Mass M( kpc): × 10¹² M⊙ About the Navarro-Frenk-White Profile Calculator The Navarro-Frenk-White Profile Calculator is a scientifically precise tool designed for astrophysicists, cosmologists, and researchers to model dark matter halo density

Dark Matter Halo Calculator Virial Mass (M200 in solar masses): Concentration Parameter (c): Redshift (z): Calculate Results Virial Radius (r200): kpc Maximum Circular Velocity (Vmax): km/s Radius of Maximum Velocity (rmax): kpc Central Density (ρ0): M⊙/kpc³ About the Dark Matter Halo Calculator The Dark Matter Halo Calculator is a scientifically designed tool to help astrophysicists,

Cosmic Neutrino Background Calculator Calculate Cosmic Neutrino Background Properties Redshift (z): Neutrino Type: Electron Neutrino (ν_e)Muon Neutrino (ν_μ)Tau Neutrino (ν_τ) Calculate About the Cosmic Neutrino Background Calculator The Cosmic Neutrino Background Calculator is a scientifically precise tool designed to compute the properties of the Cosmic Neutrino Background (CNB), the relic neutrino field that permeates the

Baryon-to-Photon Ratio Calculator Baryon Density (n_b) (cm⁻³): Photon Density (n_γ) (cm⁻³): Calculate Results Baryon-to-Photon Ratio (η): × 10⁻¹⁰ Interpretation: About the Baryon-to-Photon Ratio Calculator The Baryon-to-Photon Ratio Calculator is a scientifically accurate tool designed for cosmologists, physicists, and researchers to compute the fundamental cosmological parameter η (eta), which represents the ratio of baryons to photons