esbo_ds/ESBO-ETC
esbo_ds/ESBO-ETC
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Code clean up

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This commit is contained in:
Lukas Klass 2020-04-16 08:23:00 +02:00
parent 8c6daa404e
commit 03b4870918
2 changed files with 19 additions and 15 deletions
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16
esbo_etc/classes/optical_component/Filter.py
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@ -11,10 +11,10 @@ class Filter(AHotOpticalComponent):
A class to model a filter component and its thermal emission. The model can be created from a file, the name of
a band or a custom spectral range.
"""
_band_central_wl = dict(U=366 * u.nm, B=438 * u.nm, V=545 * u.nm, R=641 * u.nm, I=798 * u.nm, J=1220 * u.nm,
H=1630 * u.nm, K=2190 * u.nm)
_band_bandwidth = dict(U=68 * u.nm, B=98 * u.nm, V=89 * u.nm, R=220 * u.nm, I=240 * u.nm, J=300 * u.nm, H=400 * u.nm,
K=600 * u.nm)
_band = dict(U=dict(cwl=366 * u.nm, bw=68 * u.nm), B=dict(cwl=438 * u.nm, bw=98 * u.nm),
V=dict(cwl=545 * u.nm, bw=89 * u.nm), R=dict(cwl=641 * u.nm, bw=220 * u.nm),
I=dict(cwl=798 * u.nm, bw=240 * u.nm), J=dict(cwl=1220 * u.nm, bw=300 * u.nm),
H=dict(cwl=1630 * u.nm, bw=400 * u.nm), K=dict(cwl=2190 * u.nm, bw=600 * u.nm))
@u.quantity_input(temp=[u.Kelvin, u.Celsius], obstructor_temp=[u.Kelvin, u.Celsius])
def __init__(self, parent: ITransmissive, transmittance: Union[SpectralQty, Callable],
@ -80,10 +80,10 @@ class Filter(AHotOpticalComponent):
filter : Filter
The instantiated filter object.
"""
if band not in cls._band_central_wl.keys():
error("Band has to be one of '[" + ", ".join(list(cls._band_central_wl.keys())) + "]'")
return cls.fromRange(parent, cls._band_central_wl[band] - cls._band_bandwidth[band] / 2,
cls._band_central_wl[band] + cls._band_bandwidth[band] / 2, emissivity, temp, obstruction,
if band not in cls._band.keys():
error("Band has to be one of '[" + ", ".join(list(cls._band.keys())) + "]'")
return cls.fromRange(parent, cls._band[band]["cwl"] - cls._band[band]["bw"] / 2,
cls._band[band]["cwl"] + cls._band[band]["bw"] / 2, emissivity, temp, obstruction,
obstructor_temp, obstructor_emissivity)
@classmethod

18
esbo_etc/classes/target/BlackBodyTarget.py
View File

@ -12,10 +12,14 @@ class BlackBodyTarget(ATarget):
# Bands from Handbook of Space Astronomy and Astrophysics
# band_sfd = {"U": 1790*u.Jansky, "B": 4063*u.Jansky, "V": 3636*u.Jansky, "R": 3064*u.Jansky,
# "I": 2416*u.Jansky, "J": 1590*u.Jansky, "H": 1020*u.Jansky, "K": 640*u.Jansky}
band_sfd = dict(U=4.175e-11, B=6.32e-11, V=3.631e-11, R=2.177e-11, I=1.126e-11, J=3.15e-12, H=1.14e-12, K=3.96e-13)
band_sfd = {k: v * u.W / (u.m ** 2 * u.nm) for k, v in band_sfd.items()}
band_wl = dict(U=366 * u.nm, B=438 * u.nm, V=545 * u.nm, R=641 * u.nm, I=798 * u.nm, J=1220 * u.nm, H=1630 * u.nm,
K=2190 * u.nm)
_band = dict(U=dict(wl=366 * u.nm, sfd=4.175e-11 * u.W / (u.m ** 2 * u.nm)),
B=dict(wl=438 * u.nm, sfd=6.32e-11 * u.W / (u.m ** 2 * u.nm)),
V=dict(wl=545 * u.nm, sfd=3.631e-11 * u.W / (u.m ** 2 * u.nm)),
R=dict(wl=641 * u.nm, sfd=2.177e-11 * u.W / (u.m ** 2 * u.nm)),
I=dict(wl=798 * u.nm, sfd=1.126e-11 * u.W / (u.m ** 2 * u.nm)),
J=dict(wl=1220 * u.nm, sfd=3.15e-12 * u.W / (u.m ** 2 * u.nm)),
H=dict(wl=1630 * u.nm, sfd=1.14e-12 * u.W / (u.m ** 2 * u.nm)),
K=dict(wl=2190 * u.nm, sfd=3.96e-13 * u.W / (u.m ** 2 * u.nm)))
@u.quantity_input(wl_bins='length', temp=[u.Kelvin, u.Celsius], mag=u.mag)
def __init__(self, wl_bins: u.Quantity, temp: u.Quantity = 5778 * u.K,
@ -37,14 +41,14 @@ class BlackBodyTarget(ATarget):
Returns
-------
"""
if band not in self.band_wl.keys():
error("Band has to be one of '[" + ", ".join(list(self.band_wl.keys())) + "]'")
if band not in self._band.keys():
error("Band has to be one of '[" + ", ".join(list(self._band.keys())) + "]'")
# Create blackbody model with given temperature
bb = BlackBody(temperature=temp, scale=1 * u.W / (u.m ** 2 * u.nm * u.sr))
# Calculate the correction factor for a star of 0th magnitude using the spectral flux density
# for the central wavelength of the given band
factor = self.band_sfd[band] / (bb(self.band_wl[band]) * u.sr) * u.sr
factor = self._band[band]["sfd"] / (bb(self._band[band]["wl"]) * u.sr) * u.sr
# Calculate spectral flux density for the given wavelengths and scale it for a star of the given magnitude
sfd = bb(wl_bins) * factor * 10 ** (- 2 / 5 * mag / u.mag)