xsh_geom_ifu (7)

esorex xsh_geom_ifu [OPTIONS] FILE.sof

This recipe Produces the spatial geometry of the IFU pattern on the sky Input Frames :

  - A set of n science frames ( n == 1 or >=3, Tag = TRACE_arm)
  - [UVB,VIS] A master bias frame (Tag = MASTER_BIAS_arm)
  - [OPTIONAL] A master dark frame (Tag = MASTER_DARK_arm)
  - A master flat frame (Tag = MASTER_FLAT_IFU_arm)
  - An AFC corrected model order edges table for IFU frame (Tag = ORDER_TAB_AFC_IFU_arm)
  - [PHYSMOD] An AFC corrected model cfg frame (Tag = XSH_MOD_CFG_OPT_AFC_arm)
  - [POLY] An AFC corrected model wavesol frame (Tag = WAVE_TAB_AFC_arm)
  -  An AFC corrected dispersion solution frame (Tag = DISP_TAB_AFC_arm)
  - [OPTIONAL] A badpixel map (Tag = BADPIXEL_MAP_arm)

Products :

  - A set of shift offset tables (Tag = OFFSET_TAB_slitlet_IFU_arm)

--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_geom_ifu.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_geom_ifu.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_geom_ifu.time-stamp [default = False].

--decode-bp <long>

Integer representation of the bits to be considered bad when decoding the bad pixel mask pixel values. (long; default: 2144337919). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.decode-bp [default = 2144337919].

--pre-overscan-corr <long>

pre-overscan correction.0: no correction1: mean overscan correction2: mean prescan correction3: (mean pre+mean overscan)/2 correction (long; default: 1). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.pre-overscan-corr [default = 1].

--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_geom_ifu.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_geom_ifu.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_geom_ifu.khigh [default = 5.0].

--crh-clip-kappa <float>

Kappa value in sigma clipping during CRH rejection using multiple frames (float; default: 5.0). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.crh-clip-kappa [default = 5.0].

--crh-clip-niter <long>

Number of iterations in sigma clipping during CRH rejection using multiple frames (long; default: 5). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.crh-clip-niter [default = 5].

--crh-clip-frac <float>

Minimal ratio of points accepted / total in sigma clipping during CRH rejection using multiple frames (float; default: 0.7). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.crh-clip-frac [default = 0.7].

--background-edges-margin <long>

X margin to order edge to define background sampling points (long; default: 1). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.background-edges-margin [default = 1].

--background-poly-deg-y <long>

Poly mode fit deg along Y. (long; default: 9). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.background-poly-deg-y [default = 9].

--background-poly-deg-x <long>

Poly mode fit deg along X. (long; default: 9). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.background-poly-deg-x [default = 9].

--background-poly-kappa <float>

Poly mode kappa value of kappa-sigma-clip outliers removal. (float; default: 10.0). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.background-poly-kappa [default = 10.0].

--removecrhsingle-sigmalim <float>

Poisson fluctuation threshold to flag CRHs (see van Dokkum, PASP,113,2001,p1420-27) (float; default: 5.0). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.removecrhsingle-sigmalim [default = 5.0].

--removecrhsingle-flim <float>

Minimum contrast between the Laplacian image and the fine structure image that a point must have to be flagged as CRH. (see van Dokkum, PASP,113,2001,p1420-27) (float; default: 2.0). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.removecrhsingle-flim [default = 2.0].

--removecrhsingle-niter <long>

Max number of iterations (long; default: 4). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.removecrhsingle-niter [default = 4].

--rectify-kernel <str>

Name of the Interpolation Kernel Used. Possible values are: tanh, sinc, sinc2, lanczos, hamming, hann. (str; default: \'tanh\'). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.rectify-kernel [default = tanh].

--rectify-radius <float>

Rectify Interpolation radius [bin units]. (float; default: 4.0). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.rectify-radius [default = 4.0].

--rectify-bin-lambda <float>

Wavelength step in the output spectrum [nm] (float; default: -1.0). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.rectify-bin-lambda [default = -1.0].

--rectify-bin-slit <float>

Spatial step along the slit in the output spectrum [arcsec] (float; default: -1.0). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.rectify-bin-slit [default = -1.0].

--localizeifu-bckg-deg <long>

Degree (<=2) of the polynomial component in the cross-dispersion profile fit (long; default: 50). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.localizeifu-bckg-deg [default = 50].

--localizeifu-smooth-hsize <long>

Half-size of the median filter for smoothing the cross-dispersion profile prior to localization (long; default: 3). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.localizeifu-smooth-hsize [default = 3].

--localizeifu-wavelet-nscales <long>

Number of scales used for wavelet a trous algorithm (long; default: 5). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.localizeifu-wavelet-nscales [default = 5].

--localizeifu-wavelet-hf-skip <long>

Number of high frequency scales skipped from the wavelet decomposition (long; default: 2). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.localizeifu-wavelet-hf-skip [default = 2].

--localizeifu-sigma-low <float>

Gaussian fits of the cross-dispersion profile whose FWHM is lower than this value are rejected (float; default: 0.05). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.localizeifu-sigma-low [default = 0.05].

--localizeifu-sigma-up <float>

Gaussian fits of the cross-dispersion profile whose FWHM is larger than this value are rejected (float; default: 0.95). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.localizeifu-sigma-up [default = 0.95].

--localizeifu-snr-low <float>

Gaussian fits of the cross-dispersion profile whose SNR is lower than this value are rejected (float; default: 0.05). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.localizeifu-snr-low [default = 0.05].

--localizeifu-snr-up <float>

Gaussian fits of the cross-dispersion profile whose SNR is larger than this value are rejected (float; default: 0.95). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.localizeifu-snr-up [default = 0.95].

--localizeifu-slitlow-edges-mask <float>

in arsec (float; default: 0.0). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.localizeifu-slitlow-edges-mask [default = 0.0].

--localizeifu-slitup-edges-mask <float>

in arsec (float; default: 0.0). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.localizeifu-slitup-edges-mask [default = 0.0].

--localizeifu-use-skymask <bool>

TRUE if we want to mask sky lines using SKY_LINE_LIST file. (bool; default: False). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.localizeifu-use-skymask [default = False].

--localizeifu-chunk-hsize <long>

Half size of chunk [bin] (long; default: 0). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.localizeifu-chunk-hsize [default = 0].

--correctifu-niter <long>

Number of iterations in computing the localization shifts of the IFU slitlets (long; default: 3). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.correctifu-niter [default = 3].

--correctifu-lambdaref <float>

Reference wavelength where the reference localization on the slit is chosen (float; default: -1.0). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.correctifu-lambdaref [default = -1.0].

--correctifu-lambdaref-hsize <float>

HAlf size in nm to estimate reference wavelength (float; default: 2.5). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.correctifu-lambdaref-hsize [default = 2.5].

--do-cube <bool>

if TRUE creates a data cube (bool; default: False). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.do-cube [default = False].

--compute-map <bool>

if TRUE recompute (wave and slit) maps from the dispersion solution. (bool; default: True). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.compute-map [default = True].

--check-afc <bool>

Input AFC corrected model/wave solution and science frame check.If TRUE the recipe verify that the input mode/wave solution is AFC corrected, its INS.OPTIi.NAME is \'Pin_0.5 \', and its OBS.ID and OBS.TARG.NAME values matches with the corresponding values of the science frame. (bool; default: True). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.check-afc [default = True].

--flat-method <str>

method adopted for flat: (str; default: \'blaze\'). The full name of this option for the EsoRex configuration file is xsh.xsh_geom_ifu.flat-method [default = blaze].

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.

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 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 xshoo pipeline are xsh_cfg_recover(7), xsh_lingain(7), xsh_wavecal(7), xsh_scired_slit_nod(7), xsh_respon_slit_nod(7), xsh_mdark(7), xsh_respon_slit_offset(7), xsh_orderpos(7), xsh_scired_ifu_stare_drl(7), xsh_scired_ifu_stare(7), xsh_flexcomp(7), xsh_scired_ifu_offset_drl(7), xsh_util_physmod(7), xsh_respon_slit_stare(7), xsh_2dmap(7), xsh_mflat(7), xsh_mbias(7), xsh_predict(7), xsh_scired_ifu_offset(7), xsh_scired_slit_stare(7), xsh_scired_slit_offset(7)

xsh_geom_ifu 2.5.2

P.Goldoni, L.Guglielmi, R. Haigron, F. Royer <[email protected]>

Please report any problems to [email protected]. Alternatively, you may send a report to the ESO User Support Department <[email protected]>.

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