def _LMC_Gordon03(self, wave):
"""
Gordon et al. (2003, ApJ, 594,279)
"""
x = 1e4 / np.asarray([wave]) # inv microns
X_tab = np.loadtxt(execution_path('LMC_Gordon.txt'))
Xx = self.R_V * np.interp(x, X_tab[:, 0], X_tab[:, 1])
return np.squeeze(Xx)
def _Gal_SM79(self, wave):
"""
from Savage & Mathis (1979, ARA&A, 17, 73)
"""
x = 1e4 / np.asarray([wave]) # inv microns
X_tab = np.loadtxt(execution_path('Gal_SM79.txt'))
Xx = np.interp(x, X_tab[:, 0], X_tab[:, 1])
return np.squeeze(Xx)
def _LMC_Gordon03(self, wave):
"""
Gordon et al. (2003, ApJ, 594,279)
"""
x = 1e4 / np.asarray([wave]) # inv microns
X_tab = np.loadtxt(execution_path('LMC_Gordon.txt'))
Xx = self.R_V * np.interp(x, X_tab[:,0], X_tab[:,1])
return np.squeeze(Xx)
def _Gal_SM79(self, wave):
"""
from Savage & Mathis (1979, ARA&A, 17, 73)
"""
x = 1e4 / np.asarray([wave]) # inv microns
X_tab = np.loadtxt(execution_path('Gal_SM79.txt'))
Xx = np.interp(x, X_tab[:,0], X_tab[:,1])
return np.squeeze(Xx)
def _K76(self, wave):
"""
from Kaler (1976, ApJS, 31, 517).
This function returns the correction relative to Hbeta, not usable for absolute correction.
"""
w = np.asarray([wave]) # inv microns
f_tab = np.loadtxt(execution_path('Gal_Kaler.txt'))
f = np.interp(w, f_tab[:, 0], f_tab[:, 1])
return np.squeeze(f * self.cHbeta / 0.4 / self.E_BV)
def _K76(self, wave):
"""
from Kaler (1976, ApJS, 31, 517).
This function returns the correction relative to Hbeta, not usable for absolute correction.
"""
w = np.asarray([wave]) # inv microns
f_tab = np.loadtxt(execution_path('Gal_Kaler.txt'))
f = np.interp(w, f_tab[:,0], f_tab[:,1])
return np.squeeze(f * self.cHbeta / 0.4 / self.E_BV)