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Fundamental parameters of a star from uvbyß photometry

Fill in this form in order to compute colour excess, absolute magnitude, effective temperature, gravity, metallicity.

 Spectral type 
      (b-y)     +/- 
       m1       +/- 
       c1       +/- 
       ß        +/- 

 Compute distance using magnitude:
       mV       +/- 

 Assign star group: 

 Verbose/debug output      No dereddening

A (French, sorry) documentation may be found here.

/cgi-bin/uvbyh- $Revision: 3.5 $
Biblio: Arenou Frédéric, 1993, PhD Thesis, Observatoire de Paris, 1993PhDT.......123A