# AnnularAperture¶

class sbpy.activity.AnnularAperture(shape)[source]

Annular aperture projected at the distance of the target.

Parameters
shapeQuantity

A two-element Quantity of angular or projected linear size for the inner and outer radius of the aperture.

Attributes Summary

 shape Annulus inner and outer radii.

Methods Summary

 Circular aperture radius that yields same flux for a 1/ρ coma.

Attributes Documentation

shape

coma_equivalent_radius(self)[source]
rapQuantity