Pix2Sky_Airy¶

class
astropy.modeling.projections.
Pix2Sky_Airy
(*args, **kwargs)[source]¶ Bases:
astropy.modeling.projections.Pix2SkyProjection
,astropy.modeling.projections.Zenithal
Airy projection  pixel to sky.
Corresponds to the
AIR
projection in FITS WCS.See
Zenithal
for a definition of the full transformation. Parameters
 theta_b
float
The latitude \(\theta_b\) at which to minimize the error, in degrees. Default is 90°.
 theta_b
Attributes Summary
Names of the parameters that describe models of this type.
Attributes Documentation

param_names
= ('theta_b',)¶ Names of the parameters that describe models of this type.
The parameters in this tuple are in the same order they should be passed in when initializing a model of a specific type. Some types of models, such as polynomial models, have a different number of parameters depending on some other property of the model, such as the degree.
When defining a custom model class the value of this attribute is automatically set by the
Parameter
attributes defined in the class body.

theta_b
= _ParameterDS('theta_b', value=90.0)¶