Line Classification Tool

Description

A tool to classify detected emission lines as OII or Lyman-alpha. Designed for the HETDEX survey. Based on an idea and code from Leung et al 2017, i.e. this paper. The method described in that paper has been reimplemented in classification_prob_leung. A new approach, that deals with errors on the equivalent width and involves fewer integrals is also included in classification_prob and will be presented in Farrow et al (in prep).

Setup

To install, including packages needed for tests

pip install .[test]

if you want to run the tests then do

pytest

if you do not want to run tests you can just do

pip install .

Known issues

1. Currently Python 3 is not supported.
2. Colors aren't used in the probability yet.

References

If you use this code in a paper, please cite

• Leung et al 2017 - original code & method

• Farrow et al 2021 - this code rewrite and the new P(LAE) method

References for numbers in the example config

If you use the configuration file in the test directory you'll also need to cite the following. It uses relative line strengths from

• Anders et al 2003

and luminosity/equivalent width functions from

• Ciardullo et al 2013

• Gronwall et al (in prep)

and cosmology from

• Planck 2013