NASA logo USGS banner
Thermal Mixture Radiance Calculator
Go to Radiance Calculator

Parameters:

Low wavelength:  µm
High wavelength:  µm
   
Plot 1:  
Temperature:  K
Emissivity:  (optional)
Percent Area:  %
Plot 2:  
Temperature:  K
Emissivity:  (optional)
Percent Area:  %
Plot 3:  
Temperature:  K (optional)
Emissivity:  (optional)
Percent Area:  % (optional)
   
Plot Parameters (optional):  
x-axis (wavelength) increment:
x-axis (wavelength) range: to
y-axis (radiance) range: to
   OR  
Auto-scale y-axis:
   
x-axis Scale: Log Linear
y-axis Scale: Log Linear
   
 

Results:

 

Radiance

 
Spec. Rad.
(W*m-2*
µm-1*sr-1)
 
  Wavelength (µm)  

Constants (from NIST):

ConstantValueUnits
Speed of Light (c)2.99792548e+8m*s-1
Planck constant (h)6.626068963e-34J*s
Boltzmann constant (k)1.3806504e-23J*K-1
Wien constant (b)2.8977685e-3m*K
Stefan-Boltzmann constant (σ)5.670400e-8W*m-2*K-4
First Radiation constant for spectral radiance (c1) (2hc2) 1.191042759e-16W*m2*sr-1
Second Radiation constant (c2) (hc/k) 1.4387752e-2m*K

This tool was developed as part of the Education & Public Outreach program of the NASA ROSES 2009 New Investigator Program in Earth Science (NNH09ZDA001N-NIP). It is a work in progress. Please send any questions, comments, or suggestions to the PI: R. Greg Vaughan (gvaughan@usgs.gov).


U.S. Department of the Interior | U.S. Geological Survey
Home | Search | Disclaimers & Privacy
Send comments to gvaughan@usgs.gov
USA.Gov: The U.S. Government's Official Web Portal