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<H2><A NAME="SECTION001337000000000000000">
Computation of the Output Absorption Spectrum</A>
</H2>
<P>
This is the main step achieved by the command:
<P><P>
<BR>
<DIV ALIGN="CENTER">
<!-- MATH: $\fbox{\tt COMPUTE/ABS \ \ SYNEMI \ \ SYNABS \ \ ABSC \ \ ABSP \ \ NAMEP}$ -->
<IMG
WIDTH="598" HEIGHT="31" ALIGN="BOTTOM" BORDER="0"
SRC="img392.gif"
ALT="\fbox{\tt COMPUTE/ABS \ \ SYNEMI \ \ SYNABS \ \ ABSC \ \ ABSP \ \ NAMEP}"></DIV>
<P><P>
<BR>
<PRE><TT>
SYNEMI : input emission spectrum <BR>
SYNABS : output spectrum with synthetic absorption lines <BR>
ABSC : table containing the cloud model
<BR>
ABSP : table containing the atomic data <BR>
NAMEP : image containing the instrumental response
<BR> <EM>Warning</EM> : this image must have the same step size as SYNEMI
</TT></PRE>
<P>
<P>
Then the program:
<P>
<DL COMPACT>
<DT>1.
<DD>Types: <BR>
<P><P>
<BR>
PSF: FWHM a ANGSTROM
<BR>
STEP: b <BR>
Where a and b are read from the description of the PSF; only as a check
for the user.
<DT>2.
<DD>Computes:
<BR>
<P><P>
<BR>
The synthetic spectra according to the parameters of table ABSC.
<BR>
The output spectra are:
<BR>
<BR><P></P>
<DIV ALIGN="CENTER">
<!-- MATH: \begin{displaymath}
\left\{ \begin{array}{ll}
SYNABS1 & \mbox {if option Voigtian profiles}\\
or & \\
SYNABS0 & \mbox {if option Maxwellian profiles}
\end{array} \right.
\end{displaymath} -->
<IMG
WIDTH="427" HEIGHT="84"
SRC="img393.gif"
ALT="\begin{displaymath}\left\{ \begin{array}{ll}
SYNABS1 & \mbox {if option Voigtia...
...S0 & \mbox {if option Maxwellian profiles}
\end{array} \right. \end{displaymath}">
</DIV>
<BR CLEAR="ALL">
<P></P>
and
<BR>
<BR><P></P>
<DIV ALIGN="CENTER">
<!-- MATH: \begin{displaymath}
\left\{ \begin{array}{ll}
SYNABS1C & \mbox {convolution of \ above spectra}\\
or & \\
SYNABS0C
\end{array} \right.
\end{displaymath} -->
<IMG
WIDTH="453" HEIGHT="93"
SRC="img394.gif"
ALT="\begin{displaymath}\left\{ \begin{array}{ll}
SYNABS1C & \mbox {convolution of \ above spectra}\\
or & \\
SYNABS0C
\end{array} \right. \end{displaymath}">
</DIV>
<BR CLEAR="ALL">
<P></P></DL>
<P>
<BR><HR>
<ADDRESS>
<I>Petra Nass</I>
<BR><I>1999-06-15</I>
</ADDRESS>
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