Angle from Size and Distance The Astronomical Angle Subtended (SAF) calculator uses the small angle formula (SAF) to compute the angle subtended (α) of astronomical observations based on the size of the object or separation between objects (S) and the distance (D) INSTRUCTIONS: Choose units and enter the following: (S) Size of Object or the distance of separation between two objects (see diagram) (D) Distance to Object Angle Subtended(α): The calculator returns the angle in arc seconds. |
Astronomy Calculator The Astronomy Calculator includes functions that are useful for studying astronomy. |
Blackbody Temperature from peak wavelength The Temperature of a Black body calculator computes the temperature (T) of a black body based on the wavelength (λ) of its strongest regular emissions. INSTRUCTIONS: Choose units and enter the following: (λ) This is the wavelength of the strongest emissions of light. |
Blackbody wavelength from Temperature The Wavelength of a Black Body calculator compute the wavelength of the strongest emissions from a black body based on its temperature. |
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Difference in magnitudes from Flux Ratio The Difference in Magnitudes from Flux Ratio calculator computes the difference in magnitude (Dm) based on the Flux Ratio (r). |
Distance from absolute and apparent magnitude The Stellar Distance Based on Magnitude calculator computes the approximate distance to a star based on the apparent magnitude of the star (m) and the absolute magnitude of the star (M). |
Distance from Size and Angle The Astronomical Distance (SAF) calculator uses the small angle formula (SAF) to compute the distance to an astronomical body based on the size of the object or separation between two objects (S) and the angle subtended (α). |
Exoplanet Calculator The Exoplanet Calcultor includes functions that are useful related to the study of planets outside of our solar-system (exoplanets). |
Flux Ratio from Magnitudes The Flux Ratio from Magnitudes calculator computes the ratio of the intensity of light coming from two celestial objects based on their magnitudes (m1 and m2). |
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