ESBO-ETC/esbo_etc/classes/target/ATarget.py

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from abc import abstractmethod
from ..ITransmissive import ITransmissive
from ..SpectralQty import SpectralQty
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import astropy.units as u
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class ATarget(ITransmissive):
"""
Abstract super class for target models
"""
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@abstractmethod
def __init__(self, sfd: SpectralQty):
"""
Initialize a new target
Parameters
----------
sfd: SpectralQty
The spectral flux density of the target
"""
self._sfd = sfd
def calcNoise(self) -> SpectralQty:
"""
Calculate the spectral radiance of the target's noise
Returns
-------
noise : SpectralQty
The spectral radiance of the target's noise
"""
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return SpectralQty(self._sfd.wl, [0] * len(self._sfd.wl) << u.W / (u.m**2 * u.nm * u.sr))
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def calcSignal(self) -> SpectralQty:
"""
Calculate the spectral flux density of the target's signal
Returns
-------
signal : SpectralQty
The spectral flux density of the target's signal
"""
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return self._sfd
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