Isochrone/track Extractor is a web interface written in PERL language by Dr. D. Cordier from ENSCR (France) in collaboration with Dr. S. Cassisi from Teramo Observatory (Italy), Dr. A. Pietrinferni from Teramo Observatory (Italy) and Dr. M. Salaris from Liverpool John Moores University (UK). This program uses evolutionary tracks from Pietrinferni A., Cassisi S., Salaris M. and Castelli F. (2004, ApJ - vol. 612, 168). This Web Tool is not a simple applet and as it is server side based, it is robust and fast.

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Output Type Isochrone (for a given age) Interpolated track (for a given mass)

Heavy Elements Mixture Scaled to solar mixture Alpha enhanced mixture

Color-Temperature Transformation UBVRIJHKL (Scaled solar or Alpha enhanced) ACS (Scaled solar only)

Model Type Standard (without overshooting) Non standard (with overshooting)

Chemical Composition Z= 0.0001 Y= 0.245 Z= 0.008 Y= 0.256 Z= 0.0003 Y= 0.245 Z= 0.01 Y= 0.259 Z= 0.0006 Y= 0.246 Z= 0.0198 Y= 0.273 Z= 0.001 Y= 0.246 Z= 0.03 Y= 0.288 Z= 0.002 Y= 0.248 Z= 0.04 Y= 0.303 Z= 0.004 Y= 0.251

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