Basic Analysis

The specutils package comes with a few basic spectral analytic functions. More extensive and involve analysis techniques will be available in another package, specreduce.

Specutils supports some built-in callable functions for basic calculations over the given spectrum object.

Equivalent Width

Currently, specutils supports basic equivalent width calculations.

>>> import numpy as np
>>> from specutils.spectra import Spectrum1D
>>> from specutils.analysis import equivalent_width

>>> spec = Spectrum1D(spectral_axis=np.arange(50), flux=np.random.randn(50))
>>> equivalent_width(spec) 
<Quantity 24.16006697 Angstrom>



equivalent_width(spectrum) Does a naive equivalent width measures on the spectrum object.