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Fixed Owens (1967) model

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yosata committed 2022-07-06 12:19:31 +02:00
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commit ee7134da7d
2 files changed
+30 -12
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AstroAtmosphere/refractivityModels.py
+28 -10
View File
@@ -174,9 +174,10 @@ def Edlen1966(l, T=288.15, p=101325, RH=0, CO2=300, f=None):
def Owens(l, T=288.15, p=101325, RH=0): def Owens(l, T=288.15, p=101325, RH=0):
''' '''
From Owens, 1967 From Owens, 1967
Equation 32 Equations 29 to 31
Note that the pressure P and H are in torricelli (Torr),
however, this is almost precisely 1 Torr = 1 mmHg Code heavily based on ScopeSIM (https://scopesim.readthedocs.io/)
and http://www.caha.es/newsletter/news03b/pedraz/newslet.html
Parameters Parameters
---------- ----------
@@ -194,10 +195,27 @@ def Owens(l, T=288.15, p=101325, RH=0):
n : float n : float
Refractive index of atmospheric air at the given conditions Refractive index of atmospheric air at the given conditions
''' '''
P = hPa2mmHg(p/100) # Calculation from ScopeSIM.effects.atmospheric_refraction()
T = K2C(T) pres = p / 100 # from mbar to Pa
s = 1 / l Ps = -10474. + 116.43 * T - 0.43284 * T**2 + 0.0005384 * T**3
R = 8342.13 + 2406030 / (130 - s**2) + 15997 / (38.9 - s**2) * (P/720.775) * ((1 + P * (0.817 - 0.0133) * 1e-6)/(1 + 0.0036610*T)) - RH * (5.722 - 0.0457*s**2) Pw = Ps * RH / 100.
Pa = pres - Pw
# Wavenumber s
s = 1. / l
# Density factor of dry air, eq. 30
Da = (Pa / T) * (1. + Pa * (57.9E-8 - 0.0009325 / T + 0.25844 / T**2))
# Density factor of moist air, eq. 31
Dw = (Pw / T) * (1. + Pw * (1. + 3.7E-4 * Pw) *
(-2.37321E-3 + 2.23366 / T - 710.792 / T**2 +
77514.1 / T**3))
# Combining the two into eq. 29
na = Da * (2371.34 + 683939.7 / (130. - s**2) + 4547.3 / (38.9 - s**2))
nw = Dw * (6487.31 + 58.058 * s**2 - 0.7115 * s**4 + 0.08851 * s**6)
R = na + nw
n = R/1e8 + 1 n = R/1e8 + 1
return n return n
@@ -409,10 +427,10 @@ def slalib(l, T=288.15, p=101325, RH=0, h=0, lat=-24, tlr=0.0065, eps=1e-10):
conditions. conditions.
''' '''
try: try:
from pyslalib import slalib from pyslalib import slalib
except ImportError as e: except ImportError as e:
print('pySLALIB package not found! Try installing it first.\nReturning n=1.') print('pySLALIB package not found! Try installing it first.\nReturning n=1.')
return 1 return 1
zObs = np.deg2rad(45.06563) zObs = np.deg2rad(45.06563)
p = p/100 p = p/100
setup.py
+2 -2
View File
@@ -21,14 +21,14 @@ def setup_package():
# write_version_py() # write_version_py()
setup(name='AstroAtmosphere', setup(name='AstroAtmosphere',
version='1.4.1', version='1.5',
description='Collection of equations for refractive index, refraction and dispersion calculations of atmospheric air.', description='Collection of equations for refractive index, refraction and dispersion calculations of atmospheric air.',
long_description=__readme__, long_description=__readme__,
long_description_content_type='text/markdown', long_description_content_type='text/markdown',
author='Joost van den Born', author='Joost van den Born',
author_email='born@astron.nl', author_email='born@astron.nl',
url='https://gitlab.astro-wise.org/micado/atmosphericmodel', url='https://gitlab.astro-wise.org/micado/atmosphericmodel',
download_url='https://gitlab.astro-wise.org/micado/atmosphericmodel/-/archive/v1.4.1/atmosphericmodel-v1.4.1.tar.gz', download_url='https://gitlab.astro-wise.org/micado/atmosphericmodel/-/archive/v1.5/atmosphericmodel-v1.5.tar.gz',
license='GNU General Public License v3', license='GNU General Public License v3',
data_files = [('',['LICENSE.txt'])], data_files = [('',['LICENSE.txt'])],
package_dir={'AstroAtmosphere': 'AstroAtmosphere'}, package_dir={'AstroAtmosphere': 'AstroAtmosphere'},