Spectrum for UM184 courtesy of M. Fumagalli and J. O'Meara
  Please cite Fumagalli et al 2013, ApJ, 775, 78
# NOTE: Any changes may muck up the calculations in 
  test_absline_anly.py

Spectrum for Q0002-422 from Crighton et al, 2015, MNRAS, 446, 18
