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NAME

       vmmosstandard - Reduce a MOS standard star exposure.

SYNOPSIS

       esorex vmmosstandard [OPTIONS] FILE.sof

DESCRIPTION

       This  recipe  is  used  to  calibrate and extract a standard star spectrum obtained in MOS
       mode, and compare it with a catalog spectrum to obtain the  efficiency  and  the  response
       curves.

       Input files:

         DO category:               Type:      Explanation:         Required:
         MOS_STANDARD               Raw        Science exposure        Y
         MASTER_BIAS                Calib      Master bias             Y
         EXTINCT_TABLE              Calib      Atmospheric extinction  Y
         STD_FLUX_TABLE             Calib      Standard star fluxes    Y
         MASTER_DARK                Calib      Master dark             .

         MOS_MASTER_SCREEN_FLAT     Calib      Normalised flat field   .

         EXTRACT_TABLE              Calib      Extraction table        .

         GRISM_TABLE                Calib      Grism table             Y
         CCD_TABLE                  Calib      Bad pixel table         .

       Output files:

         DO category:               Data type: Explanation:
         MOS_STANDARD_REDUCED       FITS image Extracted spectrum
         MOS_STANDARD_EXTRACTED     FITS image Sky subtracted slit spectra
         MOS_STANDARD_SKY           FITS image Sky slit spectra
         MOS_STANDARD_SKY_EXTRACTED FITS image Extracted sky spectrum
         OBJECT_TABLE               FITS table Objects spectra identification
         WINDOW_TABLE               FITS table Objects positions in slit
         MOS_SPECPHOT_TABLE         FITS table Efficiency and response curves

       The  standard  star  spectrum  is  calibrated  and  extracted  as described for the recipe
       vmmosobsstare. The extracted spectrum is compared to catalog fluxes of the  same  star  to
       obtain  the  efficiency curve and the response curve to use for flux calibration. For this
       comparison the extracted spectrum is converted into  electrons/sec/Angstrom.  The  catalog
       fluxes, as well as the atmospheric extinction factors, are remapped to the same wavelength
       bins of the extracted spectrum. After removing the effect of  the  atmospheric  extinction
       (i.e.,  correcting  the extracted spectrum to airmass zero), the response curve is derived
       as the ratio between the catalog spectrum and the calibrated spectrum.

       The   efficiency   curve   is   obtained   by   dividing   the   extracted   spectrum   in
       electrons/sec/Angstrom  by  the  the catalog fluxes converted from erg/cm/cm/s/Angstrom to
       photons/s/Angstrom (at 100% efficiency each photon would correspond to one electron).

       For more details, please refer to the VIMOS Pipeline User´s Guide.

OPTIONS

       --BiasMethod <str>
              Bias removal method. (str; default: ´Zmaster´). The full name of  this  option  for
              the  EsoRex  configuration file is vimos.Parameters.bias.removing.method [default =
              Zmaster].

       --SkyMethod <str>
              Sky level determination method. (str; default: ´Median´). The  full  name  of  this
              option  for the EsoRex configuration file is vimos.Parameters.sky.method [default =
              Median].

       --PolyOrder <long>
              Degree of polynomial used when the SkyMethod is set to Fit. (long; default: 0). The
              full    name    of   this   option   for   the   EsoRex   configuration   file   is
              vimos.Parameters.sky.order [default = 0].

       --SkyKSigmaLow <float>
              Low threshold for K-sigma rejection in sky fitting. (float; default: 3.0). The full
              name    of    this    option    for    the    EsoRex    configuration    file    is
              vimos.Parameters.sky.ksigma.low [default = 3.0].

       --SkyKSigmaHigh <float>
              High threshold for K-sigma rejection in sky fitting.  (float;  default:  3.0).  The
              full    name    of   this   option   for   the   EsoRex   configuration   file   is
              vimos.Parameters.sky.ksigma.high [default = 3.0].

       --Fuzz <long>
              Extra pixels from  expected  position  of  spectrum  edge  in  extraction.   (long;
              default:  5).  The  full  name  of this option for the EsoRex configuration file is
              vimos.Parameters.extraction.fuzz [default = 5].

       --SlitMargin <long>
              Number of  excluded  pixels  at  slit  ends  in  object  search  or  in  sky  level
              determination.  (long;  default:  2).  The  full name of this option for the EsoRex
              configuration file is vimos.Parameters.detection.exclude [default = 2].

       --LineWidth <long>
              Size of spectrum to extract around any skyline. (long; default: 16). The full  name
              of  this option for the EsoRex configuration file is vimos.Parameters.sky.linewidth
              [default = 16].

       --DetectionLevel <float>
              Object detection level in units of sigma. (float; default: 10.0). The full name  of
              this  option  for the EsoRex configuration file is vimos.Parameters.detection.sigma
              [default = 10.0].

       --WatershedLevels <long>
              Number of levels in the watershed method in object detection. (long; default:  32).
              The   full   name   of   this   option   for   the  EsoRex  configuration  file  is
              vimos.Parameters.detection.levels [default = 32].

       --WatershedFraction <float>
              Flux fraction to use in watershed. (float; default: 0.01). The full  name  of  this
              option  for  the  EsoRex  configuration file is vimos.Parameters.detection.fraction
              [default = 0.01].

       --MinObjectSize <long>
              Minimal size for an object candidate to be considered an object.   (long;  default:
              2).   The   full  name  of  this  option  for  the  EsoRex  configuration  file  is
              vimos.Parameters.detection.minsize [default = 2].

       --MaxObjectSize <long>
              Maximal size for an object candidate for not  trying  deblend  into  sub-  objects.
              (long;  default: 7). The full name of this option for the EsoRex configuration file
              is vimos.Parameters.detection.maxsize [default = 7].

       --CleanBadPixel <bool>
              Bad pixel correction on MOS science exposure. (bool; default: True). The full  name
              of this option for the EsoRex configuration file is vimos.Parameters.badpixel.clean
              [default = True].

       --HorneExtraction <bool>
              Use 1D Horne extraction. (bool; default: False). The full name of this  option  for
              the  EsoRex  configuration  file  is vimos.Parameters.extraction.optimal [default =
              False].

       --ModelSlit <bool>
              Model wavelength solution within each slit. (bool; default: True). The full name of
              this  option  for  the  EsoRex  configuration  file  is vimos.Parameters.slit.model
              [default = True].

       --ModelSlitOrder <long>
              Order of polynomial for wavelength solution  modeling  within  each  slit.   (long;
              default:  0).  The  full  name  of this option for the EsoRex configuration file is
              vimos.Parameters.slit.order [default = 0].

       --UseSkylines <bool>
              Use sky lines to refine the wavelength calibration (bool; default: True). The  full
              name of this option for the EsoRex configuration file is vimos.Parameters.sky.align
              [default = True].

       --ResponseOrder <long>
              Order of the polynomial used to  smooth  the  instrument  response  curve.   (long;
              default:  5).  The  full  name  of this option for the EsoRex configuration file is
              vimos.Parameters.response.order [default = 5].

       --ReduceAnyFrame <bool>
              Reduce any frame. (bool; default: False). The full name  of  this  option  for  the
              EsoRex configuration file is vimos.Parameters.reduceall [default = False].

       --ComputeQC <bool>
              Compute  QC1 parameters (bool; default: True). The full name of this option for the
              EsoRex configuration file is vimos.Parameters.quality.enable [default = True].

       --SelectSlit <long>
              Slit containing the standard star. (long; default: 0). The full name of this option
              for the EsoRex configuration file is vimos.Parameters.slit.select [default = 0].

       Note  that  it  is possible to create a configuration file containing these options, along
       with suitable default values. Please refer to the details provided by the 'esorex  --help'
       command.

SEE ALSO

       The  full  documentation  for the vimos pipeline can be downloaded as a PDF file using the
       following URL:

              ftp://ftp.eso.org/pub/dfs/pipelines/vimos/vimos-pipeline-manual-6.9.pdf

       An  overview  over  the  existing  ESO  pipelines  can  be   found   on   the   web   page
       http://www.eso.org/sci/software/pipelines/.

       Basic documentation about the EsoRex program can be found at the esorex (1) man page.

       It  is  possible  to  call  the  pipelines  from python using the python-cpl package.  See
       http://packages.python.org/python-cpl/index.html for further information.

       The other recipes of the vimos pipeline are vmbias(7), vmdark(7), vmdet(7), vmifucalib(7),
       vmifucombine(7),  vmifucombinecube(7),  vmifuscience(7), vmifustandard(7), vmimcalphot(7),
       vmimflatscreen(7), vmimflatsky(7), vmimobsjitter(7),  vmimobsstare(7),  vmimpreimaging(7),
       vmimstandard(7),   vmmoscalib(7),  vmmoscombine(7),  vmmosobsjitter(7),  vmmosobsstare(7),
       vmmosscience(7), vmspcaldisp(7), vmspflat(7), vmspphot(7)

VERSION

       vmmosstandard 3.1.9

AUTHOR

       ESO VIMOS Pipeline Team <usd-help@eso.org>

BUG REPORTS

       Please report any problems to usd-help@eso.org. Alternatively, you may send  a  report  to
       the ESO User Support Department <usd-help@eso.org>.

LICENSE

       This  file  is  part  of  the  VIMOS  Instrument Pipeline Copyright (C) 2002-2005 European
       Southern Observatory

       This program is free software; you can redistribute it and/or modify it under the terms of
       the  GNU  General  Public  License  as  published  by the Free Software Foundation; either
       version 2 of the License, or (at your option) any later version.

       This program is distributed in the hope that it will be useful, but WITHOUT ANY  WARRANTY;
       without  even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
       See the GNU General Public License for more details.

       You should have received a copy of the GNU General Public License along with this program;
       if  not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
       MA  02110-1301 USA