29 lines
1.2 KiB
Python
29 lines
1.2 KiB
Python
from esbo_etc.classes.optical_component.AOpticalComponent import AOpticalComponent
|
|
from esbo_etc.classes.ITransmissive import ITransmissive
|
|
from esbo_etc.classes.SpectralQty import SpectralQty
|
|
import astropy.units as u
|
|
|
|
|
|
class StrayLight(AOpticalComponent):
|
|
"""
|
|
A class to model additional stray light sources e.g. zodiacal light
|
|
"""
|
|
def __init__(self, parent: ITransmissive, emission: str = None) -> "Atmosphere":
|
|
"""
|
|
Initialize a new stray light source
|
|
|
|
Parameters
|
|
----------
|
|
parent : ITransmissive
|
|
The parent element from which the electromagnetic radiation is received.
|
|
This element is usually of type Target or StrayLight.
|
|
emission : str
|
|
Path to the file containing the spectral radiance of the stray light source.
|
|
The format of the file will be guessed by `astropy.io.ascii.read()`.
|
|
"""
|
|
# Read the emission
|
|
emission_sqty = SpectralQty.fromFile(emission, wl_unit_default=u.nm,
|
|
qty_unit_default=u.W / (u.m**2 * u.nm * u.sr))
|
|
# Initialize the super class
|
|
super().__init__(parent, 1.0, emission_sqty)
|