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NAME

       xsh_mbias - Create the master bias frame

SYNOPSIS

       esorex xsh_mbias [OPTIONS] FILE.sof

DESCRIPTION

       This recipe creates a master bias frame by computing the median of all input bias frames.

       Input Frames :
         - A set of n RAW frames (Format=RAW, n >=3, Tag = BIAS_arm)
         - [OPTIONAL] A map of non linear bad pixels (Format=QUP, Tag = BP_MAP_NL_arm)
         - [OPTIONAL] A map of reference bad pixels (Format = QUP,RAW, Tag = BP_MAP_RP_arm) Products :
         - A master bias frame (Format=PRE, PRO.CATG = MASTER_BIAS_arm)

OPTIONS

       --keep-temp <str>
              If  ´no´,  temporary files are deleted. (str; default: ´no´). The full name of this option for the
              EsoRex configuration file is xsh.xsh_mbias.keep-temp [default = no].

       --debug-level <str>
              Additional xshooter debug level. One of ´none´, ´low´, ´medium´, ´high´  (str;  default:  ´none´).
              The  full  name  of  this  option  for  the EsoRex configuration file is xsh.xsh_mbias.debug-level
              [default = none].

       --time-stamp <bool>
              Add timestamp to product file name. (bool; default: False). The full name of this option  for  the
              EsoRex configuration file is xsh.xsh_mbias.time-stamp [default = False].

       --decode-bp <int>
              Integer  representation  of  the  bits to be considered bad when decoding the bad pixel mask pixel
              values.   Most frequent codes relevant for the user:   0: good pixel,   8:  pick-up  noise,    16:
              cosmic-ray  removed,    32:  cosmic-ray unremoved,   128: calibration file defect, 256: hot pixel,
              512:  dark  pixel,    4096:  A/D  converted  saturation,  32768:  non  linear  pixel,     1048576:
              extrapolated   flux   in  NIR,  4194304:  Interpolated  flux  during  extraction.  (int;  default:
              2144337919).  The  full  name  of   this   option   for   the   EsoRex   configuration   file   is
              xsh.xsh_mbias.decode-bp [default = 2144337919].

       --stack-method <str>
              Method  used to build master frame. (str; default: ´median´). The full name of this option for the
              EsoRex configuration file is xsh.xsh_mbias.stack-method [default = median].

       --klow <float>
              Kappa used to clip low level values, when method is set to ´mean´ (float; default: 5.0). The  full
              name of this option for the EsoRex configuration file is xsh.xsh_mbias.klow [default = 5.0].

       --khigh <float>
              Kappa used to clip high level values, when method is set to ´mean´ (float; default: 5.0). The full
              name of this option for the EsoRex configuration file is xsh.xsh_mbias.khigh [default = 5.0].

       --fpn_llx <int>
              Lower left reference area X coordinate for Fixed Pattern Noise computation (int; default: 10). The
              full  name  of  this  option for the EsoRex configuration file is xsh.xsh_mbias.fpn_llx [default =
              10].

       --fpn_lly <int>
              Lower left reference area Y coordinate for Fixed Pattern Noise computation (int; default: 10). The
              full name of this option for the EsoRex configuration file  is  xsh.xsh_mbias.fpn_lly  [default  =
              10].

       --fpn_urx <int>
              Upper  right reference area X coordinate for Fixed Pattern Noise computation (int; default: 1024).
              The full name of this option for the EsoRex configuration file is xsh.xsh_mbias.fpn_urx [default =
              1024].

       --fpn_ury <int>
              Upper right reference area Y coordinate for Fixed Pattern Noise computation (int; default:  1024).
              The full name of this option for the EsoRex configuration file is xsh.xsh_mbias.fpn_ury [default =
              1024].

       --fpn_hsize <int>
              Sample  size  for Fixed Pattern Noise computation (int; default: 10). The full name of this option
              for the EsoRex configuration file is xsh.xsh_mbias.fpn_hsize [default = 10].

       --fpn_nsamples <int>
              Number of sampling points for Fixed Pattern Noise computation (int; default: 100). The  full  name
              of this option for the EsoRex configuration file is xsh.xsh_mbias.fpn_nsamples [default = 100].

       --ron_method <str>
              RON  computation  method  (str;  default:  ´ALL´).  The  full  name  of this option for the EsoRex
              configuration file is xsh.xsh_mbias.ron_method [default = ALL].

       --random_sizex <int>
              Region X size for random computation (int; default: 10). The full name  of  this  option  for  the
              EsoRex configuration file is xsh.xsh_mbias.random_sizex [default = 10].

       --random_nsamples <int>
              Number  of  random  samples  (int;  default:  100).  The  full  name of this option for the EsoRex
              configuration file is xsh.xsh_mbias.random_nsamples [default = 100].

       --ref1_llx <int>
              Lower left X of reference region (int; default: -1). The full name of this option for  the  EsoRex
              configuration file is xsh.xsh_mbias.ref1_llx [default = -1].

       --ref1_lly <int>
              Lower  left  Y of reference region (int; default: -1). The full name of this option for the EsoRex
              configuration file is xsh.xsh_mbias.ref1_lly [default = -1].

       --ref1_urx <int>
              Upper right X of reference region (int; default: -1). The full name of this option for the  EsoRex
              configuration file is xsh.xsh_mbias.ref1_urx [default = -1].

       --ref1_ury <int>
              Upper  right Y of reference region (int; default: -1). The full name of this option for the EsoRex
              configuration file is xsh.xsh_mbias.ref1_ury [default = -1].

       --ref2_llx <int>
              Lower left X of reference region (int; default: -1). The full name of this option for  the  EsoRex
              configuration file is xsh.xsh_mbias.ref2_llx [default = -1].

       --ref2_lly <int>
              Lower  left  Y of reference region (int; default: -1). The full name of this option for the EsoRex
              configuration file is xsh.xsh_mbias.ref2_lly [default = -1].

       --ref2_urx <int>
              Upper right X of reference region (int; default: -1). The full name of this option for the  EsoRex
              configuration file is xsh.xsh_mbias.ref2_urx [default = -1].

       --ref2_ury <int>
              Upper  right Y of reference region (int; default: -1). The full name of this option for the EsoRex
              configuration file is xsh.xsh_mbias.ref2_ury [default = -1].

       --stacking_ks_low <int>
              Lower value of kappa-sigma clip in stacking (int; default: 3). The full name of  this  option  for
              the EsoRex configuration file is xsh.xsh_mbias.stacking_ks_low [default = 3].

       --stacking_ks_iter <int>
              Number  of  iterations  in  kappa-sigma clip in stacking (int; default: 25). The full name of this
              option for the EsoRex configuration file is xsh.xsh_mbias.stacking_ks_iter [default = 25].

       --struct_refx <int>
              Reference X value to compute structure (int; default: -1). The full name of this  option  for  the
              EsoRex configuration file is xsh.xsh_mbias.struct_refx [default = -1].

       --struct_refy <int>
              Reference  Y  value  to compute structure (int; default: -1). The full name of this option for the
              EsoRex configuration file is xsh.xsh_mbias.struct_refy [default = -1].

       --pd_noise_compute <bool>
              Determine Fixed Pattern Noise. If TRUE the Fixed  Pattern  Noise  power  spectrum  is  determined.
              (bool;  default:  False).  The  full  name  of  this  option  for the EsoRex configuration file is
              xsh.xsh_mbias.pd_noise_compute [default = False].

       --pd_noise_dc_x <int>
              x-size (pixel) of the mask starting at (x,y) = (1,1). (int; default: 1). The  full  name  of  this
              option for the EsoRex configuration file is xsh.xsh_mbias.pd_noise_dc_x [default = 1].

       --pd_noise_dc_y <int>
              y-size  (pixel)  of  the  mask starting at (x,y) = (1,1). (int; default: 1). The full name of this
              option for the EsoRex configuration file is xsh.xsh_mbias.pd_noise_dc_y [default = 1].

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

              ftp://ftp.eso.org/pub/dfs/pipelines/xshoo/xshoo-pipeline-manual-12.1.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  xshoo  pipeline  are  xsh_2dmap(7),  xsh_cfg_recover(7),  xsh_flexcomp(7),
       xsh_geom_ifu(7),   xsh_lingain(7),   xsh_mdark(7),   xsh_mflat(7),    xsh_orderpos(7),    xsh_predict(7),
       xsh_respon_slit_nod(7),  xsh_respon_slit_offset(7),  xsh_respon_slit_stare(7),  xsh_scired_ifu_offset(7),
       xsh_scired_ifu_offset_drl(7),            xsh_scired_ifu_stare(7),            xsh_scired_ifu_stare_drl(7),
       xsh_scired_slit_nod(7),    xsh_scired_slit_offset(7),    xsh_scired_slit_stare(7),   xsh_util_physmod(7),
       xsh_wavecal(7)

VERSION

       xsh_mbias 3.5.3

AUTHOR

       P.Goldoni, L.Guglielmi, R. Haigron, F. Royer, D. Bramich, A. Modigliani <amodigli@eso.org>

BUG REPORTS

       Please report any problems to amodigli@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 X-shooter Instrument Pipeline Copyright (C) 2006 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

xsh_mbias                                             3.5.3                                         XSH_MBIAS(7)