The gistandard recipe =============================================================== .. data:: gistandard Synopsis -------- Process a spectro-photometric standard star observation and compute the instrument response curve. Description ----------- For detailed information please refer to the GIRAFFE pipeline user manual. It is available at http://www.eso.org/pipelines. Constructor ----------- .. method:: cpl.Recipe("gistandard") :noindex: Create an object for the recipe gistandard. :: import cpl gistandard = cpl.Recipe("gistandard") Parameters ---------- .. py:attribute:: gistandard.param.remove_bias Enable bias removal (bool; default: True) [default=True]. .. py:attribute:: gistandard.param.bsremove_method Bias removal method (str; default: 'PROFILE') [default="PROFILE"]. .. py:attribute:: gistandard.param.bsremove_areas Bias areas to use (Xl0:Xr0:Yl0:Yr0, ... ,Xln:Xrn:Yln:Yrn) (str; default: '5:40:0:4095') [default="5:40:0:4095"]. .. py:attribute:: gistandard.param.bsremove_sigma Sigma Clipping: sigma threshold factor (float; default: 2.5) [default=2.5]. .. py:attribute:: gistandard.param.bsremove_niter Sigma Clipping: maximum number of iterations (int; default: 5) [default=5]. .. py:attribute:: gistandard.param.bsremove_mfrac Sigma Clipping: minimum fraction of points accepted/total [0.0..1.0] (float; default: 0.8) [default=0.8]. .. py:attribute:: gistandard.param.bsremove_xorder Order of X polynomial fit (CURVE method only) (int; default: 1) [default=1]. .. py:attribute:: gistandard.param.bsremove_yorder Order of Y polynomial fit (CURVE method only) (int; default: 1) [default=1]. .. py:attribute:: gistandard.param.bsremove_xstep Sampling step along X (CURVE method only) (int; default: 1) [default=1]. .. py:attribute:: gistandard.param.bsremove_ystep Sampling step along Y (CURVE method only) (int; default: 1) [default=1]. .. py:attribute:: gistandard.param.extr_method Extraction method: 'SUM', 'HORNE' or 'OPTIMAL' (str; default: 'SUM') [default="SUM"]. .. py:attribute:: gistandard.param.extr_ron New bias sigma (RON) value for bias and dark corrected image (float; default: -1.0) [default=-1.0]. .. py:attribute:: gistandard.param.extr_psfmodel PSF profile model: `psfexp', `psfexp2' (str; default: 'psfexp2') [default="psfexp2"]. .. py:attribute:: gistandard.param.extr_psfsigma Sigma clippging threshold used for rejecting data points during PSF fitting (Horne's sigma). It is used to reject bad pixels and cosmics. (float; default: 7.0) [default=7.0]. .. py:attribute:: gistandard.param.extr_psfniter Maximum number of iterations used for fitting the PSF profile. (int; default: 2) [default=2]. .. py:attribute:: gistandard.param.extr_hewidth Horne extraction method: Number of extra pixels added to the fiber half-width. (int; default: 2) [default=2]. .. py:attribute:: gistandard.param.extr_hmingood Horne extraction method: Minimum number of points used for the profile fit. It sets the lower limit of data points for the pixel rejection. (int; default: 3) [default=3]. .. py:attribute:: gistandard.param.extr_omfrac Optimal extraction method: Minimum fraction of the data points used for fitting the fiber profiles. It sets the lower limit for the pixel rejection. (float; default: 0.9) [default=0.9]. .. py:attribute:: gistandard.param.extr_owfactor Optimal extraction method: Factor by which the fiber PSF half width is multiplied. Adjacent spectra within this area are assumed to affect the spectrum being extracted. (float; default: 3.0) [default=3.0]. .. py:attribute:: gistandard.param.extr_obkgorder Optimal extraction method: Order of the polynomial background model, which is fitted for each wavelength bin along the spatial direction. (int; default: 2) [default=2]. .. py:attribute:: gistandard.param.flat_apply Controls the flat field correction. (bool; default: False) [default=False]. .. py:attribute:: gistandard.param.transmission_apply Controls the fiber to fiber transmission correction. (bool; default: False) [default=False]. .. py:attribute:: gistandard.param.rbin_method Method to use : `linear' or `spline' (str; default: 'linear') [default="linear"]. .. py:attribute:: gistandard.param.rbin_xresid Use x residuals during rebinning? `true'/`false' (bool; default: True) [default=True]. .. py:attribute:: gistandard.param.rbin_lstep Lambda step size, only used if scaling method is 'linear' (float; default: 0.005) [default=0.005]. .. py:attribute:: gistandard.param.rbin_scmethod Scaling method: `log' or `linear' (str; default: 'linear') [default="linear"]. .. py:attribute:: gistandard.param.rbin_size Size of output rebinned spectra, 0 means calculate size based on wavelength range and lambda stepsize (int; default: 0) [default=0]. .. py:attribute:: gistandard.param.rbin_range Rebinning range: `setup' or `common' (str; default: 'common') [default="common"]. .. py:attribute:: gistandard.param.recon_min Minimum wavelength for image reconstruction (float; default: 0.0) [default=0.0]. .. py:attribute:: gistandard.param.recon_max Maximum wavelength for image reconstruction (float; default: 0.0) [default=0.0]. .. py:attribute:: gistandard.param.recon_cube Turns data cube creation on and off (bool; default: True) [default=True]. .. py:attribute:: gistandard.param.recon_format Selects the file format for cubes (str; default: 'single') [default="single"]. .. py:attribute:: gistandard.param.flx_skycorr Correct spectra for the sky emission (bool; default: False) [default=False]. .. py:attribute:: gistandard.param.max_dist Standar star search radius (float; default: 60.0) [default=60.0]. The following code snippet shows the default settings for the available parameters. :: import cpl gistandard = cpl.Recipe("gistandard") gistandard.param.remove_bias = True gistandard.param.bsremove_method = "PROFILE" gistandard.param.bsremove_areas = "5:40:0:4095" gistandard.param.bsremove_sigma = 2.5 gistandard.param.bsremove_niter = 5 gistandard.param.bsremove_mfrac = 0.8 gistandard.param.bsremove_xorder = 1 gistandard.param.bsremove_yorder = 1 gistandard.param.bsremove_xstep = 1 gistandard.param.bsremove_ystep = 1 gistandard.param.extr_method = "SUM" gistandard.param.extr_ron = -1.0 gistandard.param.extr_psfmodel = "psfexp2" gistandard.param.extr_psfsigma = 7.0 gistandard.param.extr_psfniter = 2 gistandard.param.extr_hewidth = 2 gistandard.param.extr_hmingood = 3 gistandard.param.extr_omfrac = 0.9 gistandard.param.extr_owfactor = 3.0 gistandard.param.extr_obkgorder = 2 gistandard.param.flat_apply = False gistandard.param.transmission_apply = False gistandard.param.rbin_method = "linear" gistandard.param.rbin_xresid = True gistandard.param.rbin_lstep = 0.005 gistandard.param.rbin_scmethod = "linear" gistandard.param.rbin_size = 0 gistandard.param.rbin_range = "common" gistandard.param.recon_min = 0.0 gistandard.param.recon_max = 0.0 gistandard.param.recon_cube = True gistandard.param.recon_format = "single" gistandard.param.flx_skycorr = False gistandard.param.max_dist = 60.0 You may also set or overwrite some or all parameters by the recipe parameter `param`, as shown in the following example: :: import cpl gistandard = cpl.Recipe("gistandard") [...] res = gistandard( ..., param = {"remove_bias":True, "bsremove_method":"PROFILE"}) .. seealso:: `cpl.Recipe `_ for more information about the recipe object. Bug reports ----------- Please report any problems to `Giraffe Pipeline `_. Alternatively, you may send a report to the `ESO User Support Department `_. Copyright --------- This file is part of the GIRAFFE Instrument Pipeline Copyright (C) 2002-2014 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 .. codeauthor:: Giraffe Pipeline