Redshift¶

class astropy.modeling.functional_models.Redshift(z, **kwargs)[source] [edit on github]¶

One dimensional redshift model.

Parameters:

z : float or a list of floats

Redshift value(s).

Notes

Model formula:

\lambda_{obs} = (1 + z) \lambda_{rest}

Attributes Summary

`param_names`	list() -> new empty list
`z`	redshift

Methods Summary

`eval`(x, z)	One dimensional Redshift model function
`fit_deriv`(x, z)	One dimensional Redshift model derivative
`inverse`()	Inverse Redshift model

Attributes Documentation

Methods Documentation

static eval(x, z)[source] [edit on github]¶: One dimensional Redshift model function

static fit_deriv(x, z)[source] [edit on github]¶: One dimensional Redshift model derivative