is a FORTRAN code for simultaneous solution of light-curves, radial velocity curves, visual (interferometric) orbits and minima timing of eclipsing binaries.

Its description can be found in document FOTEL 4 - User's Guide in Publications of the Astronomical Institute No. 92, pp. 1-14 (2004).

The free distribution of this software has been canceled (cf. here for details). Users interested in obtaining and a fair use of this software are kindly asked to agree it individually with the author P. Hadrava (e-mail: had(at)

Back to the Hadrava's private homepage
Petr Hadrava,
Astronomical Institute of the Academy of Sciences of the Czech Republic,
Bocni II 1401
141 31 Praha 4,
Czech Republic
tlf.: +420 267 103 348;
Revised 11. 7. 2008
Free Web Counter:
Visited Free Web Counter since April 2007