.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "auto_examples/plot_source_separation.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

    .. note::
        :class: sphx-glr-download-link-note

        Click :ref:`here <sphx_glr_download_auto_examples_plot_source_separation.py>`
        to download the full example code

.. rst-class:: sphx-glr-example-title

.. _sphx_glr_auto_examples_plot_source_separation.py:


===============================
Local to Equatorial Coordinates
===============================

Where do my neutrinos come from?

.. GENERATED FROM PYTHON SOURCE LINES 8-17

.. code-block:: default


    __author__ = "moritz"

    import numpy as np
    import pandas as pd

    from km3astro.coord import local_event, Sun, neutrino_to_source_direction









.. GENERATED FROM PYTHON SOURCE LINES 18-21

Detector Coordinates
--------------------
Let's define some random events.

.. GENERATED FROM PYTHON SOURCE LINES 21-38

.. code-block:: default


    theta = np.array([10, 45, 70, 23, 20, 11, 24, 54]) * np.pi / 180
    phi = np.array([4, 23, 200, 320, 10, 45, 29, 140]) * np.pi / 180
    time = pd.to_datetime(
        [
            "2015-01-12T15:10:12",
            "2015-06-12T13:48:56",
            "2015-03-09T21:57:52",
            "2015-03-15T14:24:01",
            "2015-01-12T15:10:12",
            "2015-06-12T13:48:56",
            "2015-03-09T21:57:52",
            "2015-03-15T14:24:01",
        ]
    ).values









.. GENERATED FROM PYTHON SOURCE LINES 39-44

Note:

Phi, theta: Where the neutrino is pointing to

Zenith, azimuth: where the neutrino is coming from

.. GENERATED FROM PYTHON SOURCE LINES 46-49

Create event in local coordinates (aka AltAz or Horizontal Coordinates)

This returns an ``astropy.SkyCoord`` instance.

.. GENERATED FROM PYTHON SOURCE LINES 49-57

.. code-block:: default


    evt_local = local_event(theta, phi, time, location="orca")

    sun = Sun(time)

    sep = evt_local.separation(sun)

    print(sep)




.. rst-class:: sphx-glr-script-out

 Out:

 .. code-block:: none

    [91d55m41.63665769s 101d11m43.36401381s 87d52m39.96833153s
     115d30m09.9465609s 82d41m44.34697762s 135d50m15.92986853s
     46d42m34.01756926s 116d48m28.00919023s]





.. rst-class:: sphx-glr-timing

   **Total running time of the script:** ( 0 minutes  4.720 seconds)


.. _sphx_glr_download_auto_examples_plot_source_separation.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_source_separation.py <plot_source_separation.py>`



  .. container:: sphx-glr-download sphx-glr-download-jupyter

     :download:`Download Jupyter notebook: plot_source_separation.ipynb <plot_source_separation.ipynb>`


.. only:: html

 .. rst-class:: sphx-glr-signature

    `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_