Neutron Star Cooling Calculator Initial Temperature (K, e.g., 1e11): Time Since Formation (years): Neutron Star Mass (Solar Masses, 1.0–2.5): Calculate Cooling About the Neutron Star Cooling Calculator The Neutron Star Cooling Calculator is a scientifically accurate tool designed to model the thermal evolution of neutron stars over time. By inputting the initial core temperature, elapsed […]
Neutron Star Cooling Calculator Read More »
White Dwarf Cooling Calculator Estimate White Dwarf Cooling Time White Dwarf Mass (Solar Masses): Initial Surface Temperature (K): Final Surface Temperature (K): Core Composition: Carbon-Oxygen (C/O)Oxygen-Neon (O/Ne)Iron (Fe) – Theoretical Calculate Cooling Age About the White Dwarf Cooling Calculator The White Dwarf Cooling Calculator is a scientifically rigorous tool that computes the cooling age of
White Dwarf Cooling Calculator Read More »
Post-Main Sequence Calculator Initial Stellar Mass (Solar Masses, M⊙): Metallicity (Z, fraction of solar): Solar (Z = 0.02)Low (Z = 0.001)Half Solar (Z = 0.008)High (Z = 0.04) Calculate Post-Main Sequence Evolution About the Post-Main Sequence Calculator The Post-Main Sequence Calculator is a sophisticated scientific tool designed to model the evolutionary path of stars after
Post-Main Sequence Calculator Read More »
Main Sequence Lifetime Calculator Estimate a Star’s Main Sequence Lifetime Stellar Mass (in Solar Masses, M⊙): Luminosity (in Solar Luminosities, L⊙) (Optional – auto-calculated if blank): Calculate Lifetime About the Main Sequence Lifetime Calculator The Main Sequence Lifetime Calculator is a scientifically accurate tool that estimates how long a star will spend in the main
Main Sequence Lifetime Calculator Read More »
Hertzsprung-Russell Diagram Calculator Calculate Star Position on the HR Diagram Effective Temperature (K): Luminosity (L☉, Sun = 1): Plot on Hertzsprung-Russell Diagram About the Hertzsprung-Russell Diagram Calculator The Hertzsprung-Russell Diagram Calculator is a precision scientific tool that accurately determines a star’s evolutionary stage and classification by plotting its position on the Hertzsprung-Russell Diagram using peer-reviewed
Hertzsprung-Russell Diagram Calculator Read More »
Isochrone Fitting Calculator Stellar Cluster Age & Distance Estimator Main Sequence Turn-Off Magnitude (V): Color Excess E(B−V): Metallicity [Fe/H] (dex): Isochrone Model Set: PARSEC v1.2S (Bressan et al. 2012)MIST v1.2 (Choi et al. 2016)Dartmouth (Dotter et al. 2008) Fit Isochrone & Estimate Age About the Isochrone Fitting Calculator The Isochrone Fitting Calculator is a precision
Isochrone Fitting Calculator Read More »
Stellar Track Calculator Right Ascension (RA) of Star (hours, 0–24): Declination (DEC) of Star (degrees, -90 to +90): Local Sidereal Time (LST) (hours, 0–24): Observer Latitude (degrees, -90 to +90): Calculate Stellar Track About the Stellar Track Calculator The Stellar Track Calculator is an advanced astronomical tool designed to determine the visibility and sky position
Stellar Track Calculator Read More »
Color-Magnitude Diagram Calculator Build Your Color-Magnitude Diagram Enter stellar data (V magnitude and B−V color) to generate a CMD plot. Enter Stars (one per line: V, B−V) Show 1 Gyr Isochrone (Z=0.019) Generate CMD About the Color-Magnitude Diagram Calculator The Color-Magnitude Diagram Calculator is a powerful, interactive astrophysics tool that enables researchers, students, and astronomers
Color-Magnitude Diagram Calculator Read More »
Galaxy Color Calculator Calculate Galaxy Color Index (B-V) B-Band Magnitude (Blue): V-Band Magnitude (Visual): Calculate Color Index About the Galaxy Color Calculator The Galaxy Color Calculator is a scientifically accurate tool designed to determine the color index of galaxies using standard astronomical photometry. By inputting the apparent magnitudes in the B (blue) and V (visual)
Galaxy Color Calculator Read More »
Damped Lyman-Alpha Calculator Calculate DLA Column Density & Velocity Width Central Optical Depth (τ₀) at Lyα Redshift (z) of the DLA FWHM of Voigt Profile (km/s) Optional Calculate Neutral Hydrogen Column Density (N_HI): cm⁻² DLA Classification: Velocity Width (Δv₉₀): km/s About the Damped Lyman-Alpha Calculator The Damped Lyman-Alpha Calculator is an advanced astrophysical tool designed
Damped Lyman-Alpha Calculator Read More »
