.. DO NOT EDIT. .. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY. .. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE: .. "modeling/gallery/spectral/plot_gauss_spectral.py" .. LINE NUMBERS ARE GIVEN BELOW. .. only:: html .. note:: :class: sphx-glr-download-link-note Click :ref:here  to download the full example code .. rst-class:: sphx-glr-example-title .. _sphx_glr_modeling_gallery_spectral_plot_gauss_spectral.py: .. _gaussian-spectral-model: Gaussian spectral model ======================= This model parametrises a gaussian spectrum. It is defined by the following equation: .. math:: \phi(E) = \frac{N_0}{\sigma \sqrt{2\pi}} \exp{ \frac{- \left( E-\bar{E} \right)^2 }{2 \sigma^2} } .. GENERATED FROM PYTHON SOURCE LINES 17-20 Example plot ------------ Here is an example plot of the model: .. GENERATED FROM PYTHON SOURCE LINES 20-31 .. code-block:: default from astropy import units as u import matplotlib.pyplot as plt from gammapy.modeling.models import GaussianSpectralModel, Models, SkyModel energy_bounds = [0.1, 100] * u.TeV model = GaussianSpectralModel(norm="1e-2 cm-2 s-1", mean=2 * u.TeV, sigma=0.2 * u.TeV) model.plot(energy_bounds) plt.grid(which="both") plt.ylim(1e-24, 1e-1) .. image-sg:: /modeling/gallery/spectral/images/sphx_glr_plot_gauss_spectral_001.png :alt: plot gauss spectral :srcset: /modeling/gallery/spectral/images/sphx_glr_plot_gauss_spectral_001.png :class: sphx-glr-single-img .. GENERATED FROM PYTHON SOURCE LINES 32-35 YAML representation ------------------- Here is an example YAML file using the model: .. GENERATED FROM PYTHON SOURCE LINES 35-40 .. code-block:: default model = SkyModel(spectral_model=model, name="gaussian-model") models = Models([model]) print(models.to_yaml()) .. rst-class:: sphx-glr-script-out Out: .. code-block:: none components: - name: gaussian-model type: SkyModel spectral: type: GaussianSpectralModel parameters: - name: norm value: 0.01 unit: cm-2 s-1 - name: mean value: 2.0 unit: TeV - name: sigma value: 0.2 unit: TeV .. _sphx_glr_download_modeling_gallery_spectral_plot_gauss_spectral.py: .. only :: html .. container:: sphx-glr-footer :class: sphx-glr-footer-example .. container:: sphx-glr-download sphx-glr-download-python :download:Download Python source code: plot_gauss_spectral.py  .. container:: sphx-glr-download sphx-glr-download-jupyter :download:Download Jupyter notebook: plot_gauss_spectral.ipynb  .. only:: html .. rst-class:: sphx-glr-signature Gallery generated by Sphinx-Gallery _