pyExtinction’s documentation

Authors:

Clément Buton, Yannick Copin

Contact:

Yannick Copin <y.copin@ip2i.in2p3.fr>

Copyright:

2012-present, Clément Buton, Yannick Copin

ascl:1403.002 pypi version pyExtinction Documentation Status

Introduction

This Python module/script computes total atmospheric extinction from decomposition into physical components (Rayleigh attenuation, ozone absorption, aerosol extinction), as described in Buton et al. (2013), Atmospheric extinction properties above Mauna Kea from the Nearby Supernova Factory spectro-photometric data set.

Installation

The module is installable from pypi (traditional dependencies: numpy, scipy, matplotlib, astropy):

pip install pyextinction

Extinction parameters

Default extinction parameters are adapted to mean Mauna-Kea summit conditions:

Atmospheric extinction parameters.

Parameter

Value ± Error

Mauna Kea

Pressure

616 ± 2 mbar

Ozone column

257 ± 23 DU

Aerosols optical depth @ 1 µm

0.0076 ± 0.0014

Aerosols angstrom exponent

1.26 ± 1.33

_images/atmosphericExtinction.png

Please contact us if you have derived mean extinction parameters for other locations.

Citations

If you have found this extinction curve model useful for your research, we would appreciate a reference to Buton et al. (2013). The software itself can be cited with Buton & Copin (2014).

Downloads

Licence

This code is placed under the CeCILL-C free software license agreement.

Documentation