<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <!--Converted with LaTeX2HTML 98.1p1 release (March 2nd, 1998) originally by Nikos Drakos (nikos@cbl.leeds.ac.uk), CBLU, University of Leeds * revised and updated by: Marcus Hennecke, Ross Moore, Herb Swan * with significant contributions from: Jens Lippmann, Marek Rouchal, Martin Wilck and others --> <HTML> <HEAD> <TITLE>Data Structures</TITLE> <META NAME="description" CONTENT="Data Structures"> <META NAME="keywords" CONTENT="vol2"> <META NAME="resource-type" CONTENT="document"> <META NAME="distribution" CONTENT="global"> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"> <LINK REL="STYLESHEET" HREF="vol2.css"> <LINK REL="next" HREF="node686.html"> <LINK REL="previous" HREF="node684.html"> <LINK REL="up" HREF="node676.html"> <LINK REL="next" HREF="node686.html"> </HEAD> <BODY > <!--Navigation Panel--> <A NAME="tex2html10056" HREF="node686.html"> <IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="icons.gif/next_motif.gif"></A> <A NAME="tex2html10053" HREF="node676.html"> <IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="icons.gif/up_motif.gif"></A> <A NAME="tex2html10047" HREF="node684.html"> <IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="icons.gif/previous_motif.gif"></A> <A NAME="tex2html10055" HREF="node1.html"> <IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="icons.gif/contents_motif.gif"></A> <BR> <B> Next:</B> <A NAME="tex2html10057" HREF="node686.html">MOS Cookbook - A</A> <B> Up:</B> <A NAME="tex2html10054" HREF="node676.html">Multi-Object Spectroscopy</A> <B> Previous:</B> <A NAME="tex2html10048" HREF="node684.html">Extraction of objects</A> <BR> <BR> <!--End of Navigation Panel--> <H1><A NAME="SECTION003660000000000000000"> Data Structures</A> </H1> <P> <B>MIDAS</B> tables and keywords are used to store most the information created and/or used by the MOS context. The tables <!-- MATH: $\fbox{{\small \tt MOS}}$ --> <IMG WIDTH="45" HEIGHT="26" ALIGN="BOTTOM" BORDER="0" SRC="img1331.gif" ALT="\fbox{{\small \tt MOS}}">, <!-- MATH: $\fbox{{\small \tt LINPOS}}$ --> <IMG WIDTH="77" HEIGHT="26" ALIGN="BOTTOM" BORDER="0" SRC="img1332.gif" ALT="\fbox{{\small \tt LINPOS}}">, <!-- MATH: $\fbox{{\small \tt LINFIT}}$ --> <IMG WIDTH="77" HEIGHT="26" ALIGN="BOTTOM" BORDER="0" SRC="img1333.gif" ALT="\fbox{{\small \tt LINFIT}}">, and <!-- MATH: $\fbox{{\small \tt WINDOWS}}$ --> <IMG WIDTH="87" HEIGHT="26" ALIGN="BOTTOM" BORDER="0" SRC="img1334.gif" ALT="\fbox{{\small \tt WINDOWS}}"> are created by the MOS commands; the table <!-- MATH: $\fbox{{\small \tt LINECAT}}$ --> <IMG WIDTH="87" HEIGHT="26" ALIGN="BOTTOM" BORDER="0" SRC="img1335.gif" ALT="\fbox{{\small \tt LINECAT}}"> is available in the <B>MIDAS</B> data base. A short description of the tables is given below; a detailed description of their contents can be found in Table <A HREF="node685.html#tab-MOS-tables">L.6</A>. <P> <DL> <DD><P> <DT><STRONG> <!-- MATH: $\fbox{{\small \tt MOS}}$ --> <IMG WIDTH="45" HEIGHT="26" ALIGN="BOTTOM" BORDER="0" SRC="img1336.gif" ALT="\fbox{{\small \tt MOS}}">.tbl</STRONG> <DD>is created by <TT>LOCATE/MOS</TT> and used during the whole reduction process. It contains the limits of the slitlets. <P> <DT><STRONG> <!-- MATH: $\fbox{{\small \tt LINPOS}}$ --> <IMG WIDTH="77" HEIGHT="26" ALIGN="BOTTOM" BORDER="0" SRC="img1337.gif" ALT="\fbox{{\small \tt LINPOS}}">.tbl</STRONG> <DD>is created by <TT>SEARCH/MOS</TT> and updated by <TT>CALIBRATE/MOS</TT>. It contains the pixel-positions of the calibration lines, the row and the slitlet they belong to, their identifications and their intensities. <P> <DT><STRONG> <!-- MATH: $\fbox{{\small \tt LINFIT}}$ --> <IMG WIDTH="77" HEIGHT="26" ALIGN="BOTTOM" BORDER="0" SRC="img1338.gif" ALT="\fbox{{\small \tt LINFIT}}">.tbl</STRONG> <DD>is created by <TT>CALIBRATE/MOS</TT> and used by <TT>REBIN/MOS</TT>. It contains the fit coefficients for the dispersion relations of each row scanned by <TT>SEARCH/MOS</TT>. <P> <DT><STRONG> <!-- MATH: $\fbox{{\small \tt WINDOWS}}$ --> <IMG WIDTH="87" HEIGHT="26" ALIGN="BOTTOM" BORDER="0" SRC="img1339.gif" ALT="\fbox{{\small \tt WINDOWS}}">.tbl</STRONG> <DD>is created by <TT>DEFINE/MOS</TT> and used by <TT>FITSKY/MOS</TT> and by <TT>EXTRACT/MOS</TT>. It contains the positions of the objects and the sky regions. <P> <DT><STRONG> <!-- MATH: $\fbox{{\small \tt LINECAT}}$ --> <IMG WIDTH="87" HEIGHT="26" ALIGN="BOTTOM" BORDER="0" SRC="img1340.gif" ALT="\fbox{{\small \tt LINECAT}}">.tbl</STRONG> <DD>contains the wavelength calibration lines. There will be several line-catalogs available in the instrument related system area, adapted for the use with the FORS grisms. <P> </DL> <BR> <DIV ALIGN="CENTER"><A NAME="33280"> </A> <TABLE> <CAPTION><STRONG>Table L.2:</STRONG> Table MOS</CAPTION> <TR><TD> <TABLE CELLPADDING=3 BORDER="1"> <TR><TD ALIGN="CENTER" COLSPAN=3>Table MOS</TD> </TR> <TR><TD ALIGN="LEFT"><B> Label</B></TD> <TD ALIGN="LEFT"><B> Unit</B></TD> <TD ALIGN="LEFT"><B> Description</B></TD> </TR> <TR><TD ALIGN="LEFT"><TT> SLIT</TT></TD> <TD ALIGN="LEFT">-</TD> <TD ALIGN="LEFT">sequential number of slitlet</TD> </TR> <TR><TD ALIGN="LEFT"><TT> YSTART</TT></TD> <TD ALIGN="LEFT"><TT> PIXEL</TT></TD> <TD ALIGN="LEFT">first row of slitlet</TD> </TR> <TR><TD ALIGN="LEFT"><TT> YEND</TT></TD> <TD ALIGN="LEFT"><TT> PIXEL</TT></TD> <TD ALIGN="LEFT">last row of slitlet</TD> </TR> <TR><TD ALIGN="LEFT"><TT> XOFFSET</TT></TD> <TD ALIGN="LEFT"><TT> PIXEL</TT></TD> <TD ALIGN="LEFT">offset of slitlet</TD> </TR> </TABLE></TD></TR> </TABLE> </DIV> <BR> <BR> <DIV ALIGN="CENTER"><A NAME="33305"> </A> <TABLE> <CAPTION><STRONG>Table L.3:</STRONG> Line positions table</CAPTION> <TR><TD> <TABLE CELLPADDING=3 BORDER="1"> <TR><TD ALIGN="CENTER" COLSPAN=3>Table LINPOS</TD> </TR> <TR><TD ALIGN="LEFT"><B> Label</B></TD> <TD ALIGN="LEFT"><B> Unit</B></TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=283><B> Description</B></TD> </TR> <TR><TD ALIGN="LEFT"><TT> X</TT></TD> <TD ALIGN="LEFT"><TT> PIXEL</TT></TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=283>x-position of calibration line</TD> </TR> <TR><TD ALIGN="LEFT"><TT> Y</TT></TD> <TD ALIGN="LEFT">-</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=283>world coordinate of row in which the line was found</TD> </TR> <TR><TD ALIGN="LEFT"><TT> PEAK</TT></TD> <TD ALIGN="LEFT">-</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=283>Peak intensity of calibration line</TD> </TR> <TR><TD ALIGN="LEFT"><TT> SLIT</TT></TD> <TD ALIGN="LEFT">-</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=283>number of slitlet in which the line was found</TD> </TR> <TR><TD ALIGN="LEFT"><TT> WAVE</TT></TD> <TD ALIGN="LEFT"><TT> Angstroem</TT></TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=283>identification of the line (Å)</TD> </TR> <TR><TD ALIGN="LEFT"><TT> WAVEC</TT></TD> <TD ALIGN="LEFT"><TT> Angstroem</TT></TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=283>fitted wavelength (Å)</TD> </TR> <TR><TD ALIGN="LEFT"><TT> RESIDUAL</TT></TD> <TD ALIGN="LEFT"><TT> Angstroem</TT></TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=283><TT> WAVEC-IDENT</TT> (Å)</TD> </TR> <TR><TD ALIGN="LEFT"><TT> REJECT</TT></TD> <TD ALIGN="LEFT">-</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=283>Rejection code (-5: line has been rejected due to too large residual)</TD> </TR> </TABLE></TD></TR> </TABLE> </DIV> <BR> <BR> <DIV ALIGN="CENTER"><A NAME="33319"> </A> <TABLE> <CAPTION><STRONG>Table L.4:</STRONG> Line catalog table</CAPTION> <TR><TD><TABLE CELLPADDING=3 BORDER="1"> <TR><TD ALIGN="CENTER" COLSPAN=3>Table LINECAT</TD> </TR> <TR><TD ALIGN="LEFT"><B> Label</B></TD> <TD ALIGN="LEFT"><B> Unit</B></TD> <TD ALIGN="LEFT"><B> Description</B></TD> </TR> <TR><TD ALIGN="LEFT"><TT> WAVE</TT></TD> <TD ALIGN="LEFT"><TT> ANGSTROEM</TT></TD> <TD ALIGN="LEFT">wavelength of calibration lines</TD> </TR> </TABLE></TD></TR> </TABLE> </DIV> <BR> <BR> <DIV ALIGN="CENTER"><A NAME="33339"> </A> <TABLE> <CAPTION><STRONG>Table L.5:</STRONG> Line fit table</CAPTION> <TR><TD><TABLE CELLPADDING=3 BORDER="1"> <TR><TD ALIGN="CENTER" COLSPAN=3>Table LINFIT</TD> </TR> <TR><TD ALIGN="LEFT"><B> Label</B></TD> <TD ALIGN="LEFT"><B> Unit</B></TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=312><B> Description</B></TD> </TR> <TR><TD ALIGN="LEFT"><TT> SLIT</TT></TD> <TD ALIGN="LEFT">-</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=312>number of slitlet in which the dispersion relation was determined</TD> </TR> <TR><TD ALIGN="LEFT"><TT> ROW</TT></TD> <TD ALIGN="LEFT"><TT> PIXEL</TT></TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=312>row in which the dispersion relation was determined</TD> </TR> <TR><TD ALIGN="LEFT"><TT> Y</TT></TD> <TD ALIGN="LEFT">-</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=312>world coordinate of <TT> ROW</TT></TD> </TR> <TR><TD ALIGN="LEFT"><TT> RMS</TT></TD> <TD ALIGN="LEFT"><TT> Angstroem</TT></TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=312>r.m.s. error of dispersion relation (Å)</TD> </TR> <TR><TD ALIGN="LEFT"><TT> COEF_i</TT></TD> <TD ALIGN="LEFT">-</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=312>dispersion coefficients</TD> </TR> </TABLE></TD></TR> </TABLE> </DIV> <BR> <BR> <DIV ALIGN="CENTER"><A NAME="33358"> </A> <TABLE> <CAPTION><STRONG>Table L.6:</STRONG> Windows table</CAPTION> <TR><TD><TABLE CELLPADDING=3 BORDER="1"> <TR><TD ALIGN="CENTER" COLSPAN=3>Table WINDOWS</TD> </TR> <TR><TD ALIGN="LEFT"><B> Label</B></TD> <TD ALIGN="LEFT"><B> Unit</B></TD> <TD ALIGN="LEFT"><B> Description</B></TD> </TR> <TR><TD ALIGN="LEFT"><TT> OBJ_SLIT</TT></TD> <TD ALIGN="LEFT">-</TD> <TD ALIGN="LEFT">number of slitlet in which the object was found</TD> </TR> <TR><TD ALIGN="LEFT"><TT> OBJ_STRT</TT></TD> <TD ALIGN="LEFT">-</TD> <TD ALIGN="LEFT">first row of the object's spectrum (world coordinates)</TD> </TR> <TR><TD ALIGN="LEFT"><TT> OBJ_END</TT></TD> <TD ALIGN="LEFT">-</TD> <TD ALIGN="LEFT">last row of the object's spectrum (world coordinates)</TD> </TR> <TR><TD ALIGN="LEFT"><TT> NET_INTENS</TT></TD> <TD ALIGN="LEFT">-</TD> <TD ALIGN="LEFT">net peak intensity the object's spectrum</TD> </TR> <TR><TD ALIGN="LEFT"><TT> SKY_STRT</TT></TD> <TD ALIGN="LEFT">-</TD> <TD ALIGN="LEFT">first row of sky regions (world coordinates)</TD> </TR> <TR><TD ALIGN="LEFT"><TT> SKY_END</TT></TD> <TD ALIGN="LEFT">-</TD> <TD ALIGN="LEFT">last row of sky regions (world coordinates)</TD> </TR> <TR><TD ALIGN="LEFT"><TT> SKY_SLIT</TT></TD> <TD ALIGN="LEFT">-</TD> <TD ALIGN="LEFT">number of slitlet in which the sky was found</TD> </TR> </TABLE></TD></TR> </TABLE> </DIV> <BR> <BR> <DIV ALIGN="CENTER"><A NAME="33378"> </A> <TABLE> <CAPTION><STRONG>Table L.7:</STRONG> Standard star table</CAPTION> <TR><TD><A NAME="tab-MOS-tables"> </A><TABLE CELLPADDING=3 BORDER="1"> <TR><TD ALIGN="CENTER" COLSPAN=3>Table STANDARD</TD> </TR> <TR><TD ALIGN="LEFT"><B> Label</B></TD> <TD ALIGN="LEFT"><B> Unit</B></TD> <TD ALIGN="LEFT"><B> Description</B></TD> </TR> <TR><TD ALIGN="LEFT"><TT> MAGNITUDE</TT></TD> <TD ALIGN="LEFT">-</TD> <TD ALIGN="LEFT">magnitude</TD> </TR> <TR><TD ALIGN="LEFT"><TT> WAVE</TT></TD> <TD ALIGN="LEFT"><TT> ANGSTROEM</TT></TD> <TD ALIGN="LEFT">wavelength</TD> </TR> <TR><TD ALIGN="LEFT"><TT> BIN</TT></TD> <TD ALIGN="LEFT"><TT> ANGSTROEM</TT></TD> <TD ALIGN="LEFT">bin width</TD> </TR> <TR><TD ALIGN="LEFT"><TT> FLUX</TT></TD> <TD ALIGN="LEFT"><TT> ERG/S/CM/CM/ANG</TT></TD> <TD ALIGN="LEFT">flux</TD> </TR> </TABLE></TD></TR> </TABLE> </DIV> <BR> <P> <BR> <DIV ALIGN="CENTER"><A NAME="33391"> </A> <TABLE> <CAPTION><STRONG>Table L.8:</STRONG> Keywords used in context MOS</CAPTION> <TR><TD><TABLE CELLPADDING=3 BORDER="1"> <TR><TD ALIGN="LEFT">Name</TD> <TD ALIGN="RIGHT">Default value</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>Contents</TD> </TR> <TR><TD ALIGN="CENTER" COLSPAN=3>Keywords for flat-field related commands</TD> </TR> <TR><TD ALIGN="LEFT">FLATLIM/R/1/3</TD> <TD ALIGN="RIGHT">0,0,0</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>detection parameters for slitlet location (detection threshold, median width, lower limit)</TD> </TR> <TR><TD ALIGN="LEFT">FFORD/I/1/1</TD> <TD ALIGN="RIGHT">3</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>order of fit for the FF normalization</TD> </TR> <TR><TD ALIGN="LEFT">NORMMET/C/1/20</TD> <TD ALIGN="RIGHT">POLY</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>method for FF normalization</TD> </TR> <TR><TD ALIGN="LEFT">ISLIT/I/1/1</TD> <TD ALIGN="RIGHT">0</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>counter for slitlets</TD> </TR> <TR><TD ALIGN="LEFT">NSLIT/I/1/1</TD> <TD ALIGN="RIGHT">0</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>total number of slitlets</TD> </TR> <TR><TD ALIGN="LEFT">SCAN_POS/D/1/1</TD> <TD ALIGN="RIGHT">0.</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>scan position and width for slitlet location</TD> </TR> <TR><TD ALIGN="CENTER" COLSPAN=3>Keywords for wavelength calibration related commands</TD> </TR> <TR><TD ALIGN="LEFT">SEAPAR/C/1/20</TD> <TD ALIGN="RIGHT">200,5</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>detection threshold and width</TD> </TR> <TR><TD ALIGN="LEFT">YBIN/C/1/20</TD> <TD ALIGN="RIGHT">3,3</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>Step and Binning in Y</TD> </TR> <TR><TD ALIGN="LEFT">CENTMET/C/1/16</TD> <TD ALIGN="RIGHT">GRAVITY</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>centering method for calibration lines</TD> </TR> <TR><TD ALIGN="LEFT">XPOS/D/1/50</TD> <TD ALIGN="RIGHT">0.</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>Positions of identified lines (pixels)</TD> </TR> <TR><TD ALIGN="LEFT">LID/D/1/50</TD> <TD ALIGN="RIGHT">0.</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>Positions of identified lines (Angstroems)</TD> </TR> <TR><TD ALIGN="LEFT">WLCMET/C/1/2</TD> <TD ALIGN="RIGHT">FC</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>Wavelength calibration method (Ident/Linear/ Fors) and (Constant/Variable/Fit)</TD> </TR> <TR><TD ALIGN="LEFT">POLTYP/C/1/10</TD> <TD ALIGN="RIGHT">CHEBYSHEV</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>type of polynomials used for fitting (Polynom, Legendre or Chebyshev)</TD> </TR> <TR><TD ALIGN="LEFT">TOL/R/1/1</TD> <TD ALIGN="RIGHT">2.0</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>tolerance for autom. wavel. ident. (< 0 Å, > pix)</TD> </TR> <TR><TD ALIGN="LEFT">TOLWIND/I/1/1</TD> <TD ALIGN="RIGHT">4</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>tolerance window for interact. wavel. ident.</TD> </TR> <TR><TD ALIGN="LEFT">WLCORD/I/1/2</TD> <TD ALIGN="RIGHT">2,1</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>order of fit used to compute the dispersion</TD> </TR> <TR><TD ALIGN="LEFT">ALPHA/R/1/1</TD> <TD ALIGN="RIGHT">0.2</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>Rejection parameter for lines matching [0,.5]</TD> </TR> <TR><TD ALIGN="LEFT">SHIFTTOL/I/1/1</TD> <TD ALIGN="RIGHT">10</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>tolerance for line identification from one slitlet to next</TD> </TR> <TR><TD ALIGN="LEFT">YSTART/I/1/1</TD> <TD ALIGN="RIGHT">0</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>Starting row for calibration (pixel value)</TD> </TR> <TR><TD ALIGN="LEFT">WLCNITER/I/1/2</TD> <TD ALIGN="RIGHT">3,20</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>Minimum, Maximum number of iterations</TD> </TR> <TR><TD ALIGN="LEFT">MAXDEV/R/1/1</TD> <TD ALIGN="RIGHT">10.</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>Maximum deviation (pixels)</TD> </TR> <TR><TD ALIGN="LEFT">WCENTER/D/1/1</TD> <TD ALIGN="RIGHT">0.</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>Central wavelength</TD> </TR> <TR><TD ALIGN="LEFT">AVDISP/R/1/1</TD> <TD ALIGN="RIGHT">0.</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>Average dispersion per pixel</TD> </TR> <TR><TD ALIGN="LEFT">PLOTC/C/1/1</TD> <TD ALIGN="RIGHT">N</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>Plot residuals of wavelength calibration</TD> </TR> <TR><TD ALIGN="LEFT">CAL/I/1/100</TD> <TD ALIGN="RIGHT">0</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>Results of moscalib (+1 dispersion relation fitted, -1 no dispersion relation fitted)</TD> </TR> <TR><TD ALIGN="LEFT">DISP/I/1/1</TD> <TD ALIGN="RIGHT">0</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>amount of intermediate display for <TT> CALIB/MOS</TT></TD> </TR> <TR><TD ALIGN="LEFT">GRISM/I/1/1</TD> <TD ALIGN="RIGHT">1</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>No. of grism used</TD> </TR> <TR><TD ALIGN="LEFT">REJTHRES/R/1/1</TD> <TD ALIGN="RIGHT">3.</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>rejection threshold</TD> </TR> </TABLE></TD></TR> </TABLE> </DIV> <BR> <P> <BR> <DIV ALIGN="CENTER"><A NAME="33409"> </A> <TABLE> <CAPTION><STRONG>Table L.9:</STRONG> Keywords used in context MOS (cont'd)</CAPTION> <TR><TD><TABLE CELLPADDING=3 BORDER="1"> <TR><TD ALIGN="LEFT">Name</TD> <TD ALIGN="RIGHT">Default value</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>Contents</TD> </TR> <TR><TD ALIGN="CENTER" COLSPAN=3>Keywords for rebinning commands</TD> </TR> <TR><TD ALIGN="LEFT">REBMET/C/1/12</TD> <TD ALIGN="RIGHT">LINEAR</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>Rebinning method (LINEAR, QUADRATIC, SPLINE)</TD> </TR> <TR><TD ALIGN="LEFT">REBSTRT/D/1/1</TD> <TD ALIGN="RIGHT">0.</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>Starting wavelength for rebinning</TD> </TR> <TR><TD ALIGN="LEFT">REBEND/D/1/1</TD> <TD ALIGN="RIGHT">0.</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>Final wavelength for rebinning</TD> </TR> <TR><TD ALIGN="LEFT">REBSTP/D/1/1</TD> <TD ALIGN="RIGHT">0.</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>Wavelength step for rebinning</TD> </TR> <TR><TD ALIGN="CENTER" COLSPAN=3>Keywords for object extraction and sky subtraction related commands</TD> </TR> <TR><TD ALIGN="LEFT">THRESH/R/1/1</TD> <TD ALIGN="RIGHT">-0.04</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>detection threshold for object search</TD> </TR> <TR><TD ALIGN="LEFT">WIND/I/1/1</TD> <TD ALIGN="RIGHT">5</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>detection window for object search</TD> </TR> <TR><TD ALIGN="LEFT">XBIN/I/1/1</TD> <TD ALIGN="RIGHT">20</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>Binning in X for object search</TD> </TR> <TR><TD ALIGN="LEFT">SCAN_POS/D/1/1</TD> <TD ALIGN="RIGHT">0.</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>center for scan (define/mos) in world coordinates</TD> </TR> <TR><TD ALIGN="LEFT">INT_LIM/D/1/1</TD> <TD ALIGN="RIGHT">0.001</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>fraction of central intensity where object limits shall be defined</TD> </TR> <TR><TD ALIGN="LEFT">NOBJ/I/1/1</TD> <TD ALIGN="RIGHT">0</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>number of objects found by define/mos</TD> </TR> <TR><TD ALIGN="LEFT">NSKY/I/1/1</TD> <TD ALIGN="RIGHT">0</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>number of sky-regions found by define/mos</TD> </TR> <TR><TD ALIGN="LEFT">SKYMET/C/1/16</TD> <TD ALIGN="RIGHT"> </TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>method used to fit sky</TD> </TR> <TR><TD ALIGN="LEFT">SKYPAR/I/1/6</TD> <TD ALIGN="RIGHT">0</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>order of fit for polynomial or width of window for median</TD> </TR> <TR><TD ALIGN="LEFT">EXTPAR/C/1/60</TD> <TD ALIGN="RIGHT"> </TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>extraction parameters (order, iter)</TD> </TR> <TR><TD ALIGN="CENTER" COLSPAN=3>Keywords for frame names</TD> </TR> <TR><TD ALIGN="LEFT">OBJ/C/1/60</TD> <TD ALIGN="RIGHT"> </TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>object frame</TD> </TR> <TR><TD ALIGN="LEFT">EXTOBJEC/C/1/60</TD> <TD ALIGN="RIGHT"> </TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>extracted object frame</TD> </TR> <TR><TD ALIGN="LEFT">CALOBJEC/C/1/40</TD> <TD ALIGN="RIGHT"> </TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>extracted object frame</TD> </TR> <TR><TD ALIGN="LEFT">SKYFRAME/C/1/60</TD> <TD ALIGN="RIGHT">sky</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>sky frame</TD> </TR> <TR><TD ALIGN="LEFT">WLC/C/1/60</TD> <TD ALIGN="RIGHT">wlc</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>calibration frame</TD> </TR> <TR><TD ALIGN="LEFT">FLAT/C/1/60</TD> <TD ALIGN="RIGHT">flat</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>flat-field</TD> </TR> <TR><TD ALIGN="LEFT">NORMFLAT/C/1/60</TD> <TD ALIGN="RIGHT">normflat</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>normalized flat-field</TD> </TR> <TR><TD ALIGN="CENTER" COLSPAN=3>Keywords for table names</TD> </TR> <TR><TD ALIGN="LEFT">MOS/C/1/60</TD> <TD ALIGN="RIGHT">mos</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>table with slitlets' positions</TD> </TR> <TR><TD ALIGN="LEFT">LINFIT/C/1/60</TD> <TD ALIGN="RIGHT">coerbr</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>table with dispersion coefficients</TD> </TR> <TR><TD ALIGN="LEFT">LINPOS/C/1/60</TD> <TD ALIGN="RIGHT">linpos</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>table with wavelength positions</TD> </TR> <TR><TD ALIGN="LEFT">LINECAT/C/1/60</TD> <TD ALIGN="RIGHT">hear</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>table with wavelength positions</TD> </TR> <TR><TD ALIGN="LEFT">WINDOWS/C/1/60</TD> <TD ALIGN="RIGHT">windows</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>table with sky and objects positions</TD> </TR> </TABLE></TD></TR> </TABLE> </DIV> <BR> <P> <BR> <DIV ALIGN="CENTER"><A NAME="33418"> </A> <TABLE> <CAPTION><STRONG>Table L.10:</STRONG> Keywords used in context MOS (cont'd)</CAPTION> <TR><TD><TABLE CELLPADDING=3 BORDER="1"> <TR><TD ALIGN="LEFT">Name</TD> <TD ALIGN="RIGHT">Default value</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>Contents</TD> </TR> <TR><TD ALIGN="CENTER" COLSPAN=3>Keywords for CCD parameters</TD> </TR> <TR><TD ALIGN="LEFT">STEP/D/1/2</TD> <TD ALIGN="RIGHT">0.,0.</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>step-size of raw frame</TD> </TR> <TR><TD ALIGN="LEFT">START/D/1/2</TD> <TD ALIGN="RIGHT">0.,0.</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>start values of raw frame</TD> </TR> <TR><TD ALIGN="LEFT">NPIX/I/1/2</TD> <TD ALIGN="RIGHT">0,0</TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>size of raw frame</TD> </TR> <TR><TD ALIGN="LEFT">CCDPAR/C/1/60</TD> <TD ALIGN="RIGHT"> </TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=227>read-out-noise and conversion factor of CCD</TD> </TR> </TABLE></TD></TR> </TABLE> </DIV> <BR> <P> <HR> <!--Navigation Panel--> <A NAME="tex2html10056" HREF="node686.html"> <IMG WIDTH="37" HEIGHT="24" 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