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From: Daniel Schaerer  schaerer@ast.obs-mip.fr 
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To: Galactic Center Newsletter <gcnews@aoc.nrao.edu>
Subject:GCFLASH - Vol. 12, No. 21 (Dec 12, 2000)
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%http://webast.ast.obs-mip.fr/stellar/
\begin{document}

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\title{Database of Geneva stellar evolution tracks and isochrones for 
(UBV)$_J$\-(RI)$_C$\- JHKLL$^\prime$M, HST-WFPC2, Geneva and 
Washington photometric systems
}
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\begin{center}
\author{Thibault Lejeune$^{1,2}$, Daniel Schaerer$^{3}$
}
\end{center}
\inst{$^1$ Observat\'orio Astron\'omico  da Universidade 
  de  Coimbra, Santa Clara, P-3040 Coimbra, Portugal
  $^2$ Astronomisches  Institut der Universit\"at Basel, Venusstr. 7, 
  CH-4102 Binningen, Switzerland,
  $^3$ Observatoire Midi-Pyr\'en\'ees, 14 Av. E. Belin 
                        F-31400, Toulouse, France
}\par
\medskip
\begin{abstract}
We have used an updated version of the empirically and semi-empirically
calibrated {\it B}a{\it S}e{\it L} library of synthetic stellar spectra 
of Lejeune
et al.\ (1997, 1998) and Westera et al.\ (1999) to calculate synthetic
photometry in the (UBV)$_J$\-(RI)$_C$\- JHKLL$^\prime$M,  HST-WFPC2, 
Geneva, and  Washington systems
for the entire   set of non-rotating  Geneva stellar  evolution models
covering  masses from 0.4--0.8 to   120--150 M$_{\odot}$ and  metallicities
$Z$=0.0004 (1/50 Z$_{\odot}$) to 0.1 (5 Z$_{\odot}$).
%
The results are provided  in a database which includes all individual
stellar tracks and   the corresponding isochrones covering ages   from
10$^3$ yr to 16--20 Gyr in time steps of $\Delta \log t=$ 0.05 dex.  The
database also includes a new grid of stellar tracks of very metal-poor
stars ($Z$=0.0004)  from 0.8 --  150 M$_{\odot}$ calculated with the Geneva
stellar evolution code.

The full database will 
be available in electronic form at the CDS \\
{\tt http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/(vol)/(page)}
and at \\
{\tt http://webast.ast.obs-mip.fr/stellar/}.
\end{abstract}
\par

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