183 lines
5.7 KiB
ReStructuredText
183 lines
5.7 KiB
ReStructuredText
The tag ``common`` groups common configuration parameters and is therefore mandatory.
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wl_min
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------
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The minimal wavelength to consider in the computations.
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.. code-block:: xml
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<wl_min val="3" val_unit="um"/>
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Attributes:
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* | **val:** float
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| The value of the minimal wavelength.
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* | **val_unit:** str, *optional* = "m"
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| The unit of the minimal wavelength. This has to be one of [``m``, ``cm``, ``mm``, ``um``, ``nm``, ``pm``]. The default is ``m``.
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wl_max
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------
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The maximal wavelength to consider in the computations.
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.. code-block:: xml
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<wl_max val="5" val_unit="um"/>
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Attributes:
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* | **val:** float
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| The value of the maximal wavelength.
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* | **val_unit:** str, *optional* = "m"
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| The unit of the maximal wavelength. This has to be one of [``m``, ``cm``, ``mm``, ``um``, ``nm``, ``pm``]. The default is ``m``.
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.. _wl_delta:
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wl_delta
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--------
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*optional* -- The wavelength grid size to be used for the computations.
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.. code-block:: xml
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<wl_delta val="5" val_unit="um"/>
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Attributes:
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* | **val:** float
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| The value of the wavelength grid size.
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* | **val_unit:** str, *optional* = "m"
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| The unit of the wavelength grid size. This has to be one of [``m``, ``cm``, ``mm``, ``um``, ``nm``, ``pm``]. The default is ``m``.
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.. _res:
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res
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---
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*optional* -- The spectral resolution to be used for the computations.
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.. code-block:: xml
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<res val="1000" val_unit=""/>
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Attributes:
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* | **val:** float
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| The value of the spectral resolution.
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* | **val_unit:** str, *optional* = ""
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| The unit of the spectral resolution. This has to be emtpy (dimensionless). The default is ``dimensionless``.
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.. note::
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Either :ref:`wl_delta` or :ref:`res` must be given in the configuration.
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d_aperture
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----------
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The diameter of the telescope aperture.
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.. code-block:: xml
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<d_aperture val="2.3" val_unit="m"/>
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Attributes:
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* | **val:** float
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| The value of the telescope aperture diameter.
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* | **val_unit:** str, *optional* = "m"
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| The unit of the telescope aperture diameter. This has to be one of [``m``, ``cm``, ``mm``, ``um``, ``nm``, ``pm``]. The default is ``m``.
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.. _psf:
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psf
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---
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*optional* -- The PSF used for the computations. This can be either read from a Zemax file or approximated by a (obstructed) airy disk.
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.. code-block:: xml
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<psf val="Airy" osf="10" osf_unit=""/>
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.. code-block:: xml
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<psf val="data/psf.txt" osf="10" osf_unit=""/>
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Attributes:
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* | **val:** str = "Airy"
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| The PSF to be used for the computations. This can be either the path to a Zemax file or the keyword *Airy* to for an airy disk as PSF.
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* | **osf:** str = "10"
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| The oversampling factor to be used to calculate the contained energy and the PSF with jitter.
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* | **osf_unit:** str, *optional* = ""
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| The unit of the oversampling factor. This has to be emtpy (dimensionless). The default is ``dimensionless``.
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.. _jitter_sigma:
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jitter_sigma
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------------
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*optional* -- The pointing jitter sigma.
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.. code-block:: xml
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<jitter_sigma val="2" val_unit="arcsec"/>
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Attributes:
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* | **val:** float
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| The value of the pointing jitter sigma.
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* | **val_unit:** str, *optional* = "arcsec"
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| The unit of the pointing jitter sigma. This has to be one of [``arcsec``, ``arcmin``, ``degree``, ``radians``]. The default is ``arcsec``.
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output
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------
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*optional* -- Output settings for the results of the computation.
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.. code-block:: xml
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<output path="output" format="fits"/>
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Attributes:
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* | **path:** str = "."
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| The path to the output directory.
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* | **format:** str = "CSV"
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| The format to be used for outputting the signal and noise contributions. This has to be one of [``FITS``, ``CSV``].
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.. _exposure_time:
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exposure_time
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-------------
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*optional* -- The exposure time(s) for the computations.
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.. code-block:: xml
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<exposure_time val="0.1" val_unit="s"/>
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.. code-block:: xml
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<exposure_time val="0.1, 0.2, 0.3" val_unit="s"/>
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.. code-block:: xml
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<exposure_time val="data/exposure_time.csv"/>
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Attributes:
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* | **val:** (float, str)
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| The exposure time(s) to be used for the computations. This can be either a single value, a comma separated list of values or the path to a CSV-file containing a single column of exposure time values. For details on the required file structure see also :ref:`reading_csv`.
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* | **val_unit:** str, *optional* = "s"
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| The unit of the exposure time. This has to be one of [``ns``, ``us``, ``ms``, ``s``, ``min``, ``h``]. If the path to a file is provided, this parameter must be omitted. The default is ``s``.
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.. _snr:
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snr
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---
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*optional* -- The signal to noise ration (SNR) for the computations.
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.. code-block:: xml
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<snr val="10" val_unit=""/>
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.. code-block:: xml
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<snr val="10, 20, 30" val_unit=""/>
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.. code-block:: xml
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<snr val="data/snr.csv"/>
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Attributes:
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* | **val:** (float, str)
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| The SNR(s) to be used for the computations. This can be either a single value, a comma separated list of values or the path to a CSV-file containing a single column of SNR values. For details on the required file structure see also :ref:`reading_csv`.
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* | **val_unit:** str, *optional* = ""
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| The unit of the exposure time. This has to be emtpy (dimensionless). If the path to a file is provided, this parameter must be omitted. The default is ``dimensionless``.
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.. note::
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The two parameters :ref:`exposure_time` and :ref:`snr` control the desired output of the computations.
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If only the exposure time is given, the corresponding signal to noise ration will be calculated and vice versa.
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If both the exposure time and the SNR is given as well as a black body target, the sensitivity will be calculated as limiting apparent magnitude. |