Gordon03_SMCBar¶
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class
beast.physicsmodel.dust.extinction.
Gordon03_SMCBar
[source]¶ Bases:
beast.physicsmodel.dust.extinction.ExtinctionLaw
Gordon03 SMCBar extinction curve
Average of 4 SMCBar extinction curves from Gordon et al. 2003 (ApJ, 594, 279).
Note that Rv has no impact on this law: according to Gordon et al (2003), the average value of Rv is fixed to 2.74 +/- 0.13
Methods Summary
function
(lamb[, Av, Rv, Alambda, draine_extend])Gordon03_SMCBar extinction law Methods Documentation
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function
(lamb, Av=1, Rv=2.74, Alambda=True, draine_extend=False, **kwargs)[source]¶ Gordon03_SMCBar extinction law
Parameters: lamb: float or ndarray(dtype=float)
wavelength [in Angstroms] at which evaluate the law.
Av: float
desired A(V) (default 1.0)
Rv: float
desired R(V) (default 2.74)
Alambda: bool
if set returns +2.5*1./log(10.)*tau, tau otherwise
Returns: r: float or ndarray(dtype=float)
attenuation as a function of wavelength depending on Alambda option +2.5*1./log(10.)*tau, or tau
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