read_ds_cooling

pydl.pydlutils.cooling.read_ds_cooling(fname, logT=None)[source]

Read in the Sutherland & Dopita (1993) cooling function.

Parameters:

fname : { ‘m-00.cie’, ‘m-05.cie’, ‘m+05.cie’, ‘m-10.cie’, ‘m-15.cie’, ‘m-20.cie’, ‘m-30.cie’, ‘mzero.cie’ }

Name of the data file to read.

logT : numpy.ndarray, optional

If provided, values will be interpolated to the provided values. If not provided, the values in the data files will be returned.
Returns:

tuple()

A tuple containing logT and loglambda, respectively.
Raises:

ValueError

If the input file name is invalid.

Notes

The data have been retrieved from http://www.mso.anu.edu.au/~ralph/data/cool/ and stored in the package.

Examples

>>> from pydl.pydlutils.cooling import read_ds_cooling
>>> logT, loglambda = read_ds_cooling('m-15.cie')
>>> logT[0:5]
array([ 4.  ,  4.05,  4.1 ,  4.15,  4.2 ])
>>> loglambda[0:5]
array([-26.  , -24.66, -23.52, -22.62, -22.11])