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NAME

       muse_lsf - Compute the LSF

SYNOPSIS

       esorex muse_lsf [OPTIONS] FILE.sof

DESCRIPTION

       Compute the slice and wavelength dependent LSF from a lines spectrum (ARC lamp).

OPTIONS

       --nifu <int>
              IFU to handle. If set to 0, all IFUs are processed serially. If set to -1, all IFUs
              are processed in parallel. (int; default: 0). The full name of this option for  the
              EsoRex configuration file is muse.muse_lsf.nifu [default = 0].

       --overscan <str>
              If  this is "none", stop when detecting discrepant overscan levels (see ovscsigma),
              for "offset" it assumes that the mean overscan level represents the real offset  in
              the  bias  levels  of the exposures involved, and adjusts the data accordingly; for
              "vpoly", a polynomial is fit to the vertical overscan and subtracted from the whole
              quadrant.  (str;  default:  ´vpoly´).  The  full name of this option for the EsoRex
              configuration file is muse.muse_lsf.overscan [default = vpoly].

       --ovscreject <str>
              This influences how values are rejected when computing overscan statistics.  Either
              no  rejection  at  all  ("none"),  rejection  using  the  DCR algorithm ("dcr"), or
              rejection using an iterative constant fit ("fit"). (str; default: ´dcr´). The  full
              name  of  this option for the EsoRex configuration file is muse.muse_lsf.ovscreject
              [default = dcr].

       --ovscsigma <float>
              If the deviation of mean  overscan  levels  between  a  raw  input  image  and  the
              reference  image  is  higher  than  |ovscsigma  x  stdev|,  stop the processing. If
              overscan="vpoly",  this  is  used  as  sigma  rejection  level  for  the  iterative
              polynomial  fit (the level comparison is then done afterwards with |100 x stdev| to
              guard against incompatible settings).  Has no effect for overscan="offset". (float;
              default:  30.0).  The full name of this option for the EsoRex configuration file is
              muse.muse_lsf.ovscsigma [default = 30.0].

       --ovscignore <int>
              The number of pixels of the overscan adjacent to the data section of the  CCD  that
              are  ignored when computing statistics or fits. (int; default: 3). The full name of
              this option for the EsoRex configuration file is muse.muse_lsf.ovscignore  [default
              = 3].

       --save_subtracted <bool>
              Save  the  pixel  table after the LSF subtraction. (bool; default: False). The full
              name    of    this    option    for    the    EsoRex    configuration    file    is
              muse.muse_lsf.save_subtracted [default = False].

       --line_quality <int>
              Minimal quality flag in line catalog for selection (int; default: 3). The full name
              of this option for the  EsoRex  configuration  file  is  muse.muse_lsf.line_quality
              [default = 3].

       --lsf_range <float>
              Wavelength  window  (half  size)  around each line to estimate LSF (float; default:
              7.5).  The  full  name  of  this  option  for  the  EsoRex  configuration  file  is
              muse.muse_lsf.lsf_range [default = 7.5].

       --lsf_size <int>
              Image  size  in LSF direction (int; default: 150). The full name of this option for
              the EsoRex configuration file is muse.muse_lsf.lsf_size [default = 150].

       --lambda_size <int>
              Image size in line wavelength direction (int; default: 30). The full name  of  this
              option  for  the  EsoRex configuration file is muse.muse_lsf.lambda_size [default =
              30].

       --lsf_regression_window <float>
              Size of the regression window in LSF direction (float; default: 0.7). The full name
              of     this     option     for     the     EsoRex     configuration     file     is
              muse.muse_lsf.lsf_regression_window [default = 0.7].

       --merge <bool>
              Merge output products from different IFUs  into  a  common  file.  (bool;  default:
              False).  The  full  name  of  this  option  for  the  EsoRex  configuration file is
              muse.muse_lsf.merge [default = False].

       --combine <str>
              Type of lampwise image combination to use. (str; default: ´sigclip´). The full name
              of  this option for the EsoRex configuration file is muse.muse_lsf.combine [default
              = sigclip].

       --method <str>
              LSF generation method. Depending on this value, either an interpolated LSF cube  is
              created,  or  a  table  with the parameters of a hermitean gaussian. (str; default:
              ´interpolate´). The full name of this option for the EsoRex configuration  file  is
              muse.muse_lsf.method [default = interpolate].

       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 muse pipeline can be downloaded as a PDF file using the
       following URL:

              ftp://ftp.eso.org/pub/dfs/pipelines/muse/muse-pipeline-cookbook-2.6.2.pdf

       An  overview  over  the  existing  ESO  pipelines  can  be   found   on   the   web   page
       https://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
       https://packages.python.org/python-cpl/index.html for further information.

       The other recipes of the muse pipeline are muse_ampl(7), muse_astrometry(7), muse_bias(7),
       muse_create_sky(7),  muse_dark(7),  muse_exp_align(7),  muse_exp_combine(7), muse_flat(7),
       muse_geometry(7),  muse_illum(7),  muse_lingain(7),   muse_qi_mask(7),   muse_scibasic(7),
       muse_scipost(7),     muse_scipost_apply_astrometry(7),     muse_scipost_calibrate_flux(7),
       muse_scipost_combine_pixtables(7),                            muse_scipost_correct_dar(7),
       muse_scipost_correct_rv(7),        muse_scipost_make_cube(7),       muse_scipost_raman(7),
       muse_scipost_subtract_sky(7),    muse_scipost_subtract_sky_simple(7),    muse_standard(7),
       muse_twilight(7), muse_wavecal(7)

VERSION

       muse_lsf 2.6.2

AUTHOR

       Ole Streicher <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 MUSE  Instrument  Pipeline  Copyright  (C)  2005,  2018  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  02111-1307  USA