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Commit 132ee572 authored by Yan Zhaojun's avatar Yan Zhaojun
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update

parent 40d93d8b
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csst_mci_sim/csst_mci_sim.py
View file @ 132ee572
This diff is collapsed.
csst_mci_sim/support/sed.py 100644 → 100755
View file @ 132ee572
......@@ -56,7 +56,7 @@ def reddening(wave, flux, ebv = 0.0, law = 'calzetti', Rv = 4.05):
fluxNew = flux / (10. ** (0.4 * ebv * curve))
return fluxNew
def flux_to_mag(wave, flux, filepath, band='GAIA_bp'):
def flux_to_mag(wave, flux, band='GAIA_bp'):
"""Convert flux of given spectra to magnitude
Args:
......@@ -70,12 +70,9 @@ def flux_to_mag(wave, flux, filepath, band='GAIA_bp'):
# /home/yan/MCI_sim/MCI_input/SED_Code/data
import os
#parent = os.path.dirname(os.path.realpath(__file__))
parent=filepath
band = ascii.read(parent+'/SED_Code/seddata/' + band + '.dat')
parent = os.path.dirname(os.path.realpath(__file__))
band = ascii.read(parent+'/seddata/' + band + '.dat')
wave0= band['col1']
curv0= band['col2']
......@@ -92,7 +89,7 @@ def flux_to_mag(wave, flux, filepath, band='GAIA_bp'):
return -2.5 * np.log10(Tflux)
def calibrate(wave, flux, mag, filepath,band='GAIA_bp'):
def calibrate(wave, flux, mag, band='GAIA_bp'):
"""
Calibrate the spectra according to the magnitude.
......@@ -105,7 +102,7 @@ def calibrate(wave, flux, mag, filepath,band='GAIA_bp'):
Returns:
float: Flux of calibrated spectra. Units: 1e-17 erg/s/A/cm^2
"""
inst_mag = flux_to_mag(wave, flux,filepath ,band = band)
inst_mag = flux_to_mag(wave, flux, band = band)
instflux = 10 ** (-0.4 * inst_mag)
realflux = (mag * u.STmag).to(u.erg/u.s/u.cm**2/u.AA).value
......@@ -123,12 +120,12 @@ class Gal_Temp():
Template of Galaxy SED
"""
def __init__(self,parent):
def __init__(self):
import os
self.parent = parent
parent = os.path.dirname(os.path.realpath(__file__))
hdulist = fits.open(self.parent+'/SED_Code/seddata/galaxy_temp.fits')
hdulist = fits.open(parent+'/seddata/galaxy_temp.fits')
self.wave = hdulist[1].data['wave']
self.flux = hdulist[2].data
self.age_grid = hdulist[3].data['logAge']
......@@ -141,43 +138,43 @@ class Gal_Temp():
redshift (float, optional): redshift of spectra. Defaults to 0.
"""
wave = self.wave * (1 + redshift)
self.umag = flux_to_mag(wave, self.flux, self.parent,band='SDSS_u')
self.gmag = flux_to_mag(wave, self.flux, self.parent,band='SDSS_g')
self.rmag = flux_to_mag(wave, self.flux, self.parent,band='SDSS_r')
self.imag = flux_to_mag(wave, self.flux, self.parent,band='SDSS_i')
self.zmag = flux_to_mag(wave, self.flux, self.parent,band='SDSS_z')
self.umag = flux_to_mag(wave, self.flux, band='SDSS_u')
self.gmag = flux_to_mag(wave, self.flux, band='SDSS_g')
self.rmag = flux_to_mag(wave, self.flux, band='SDSS_r')
self.imag = flux_to_mag(wave, self.flux, band='SDSS_i')
self.zmag = flux_to_mag(wave, self.flux, band='SDSS_z')
class Star_Temp():
"""
Template of Stellar SED
"""
def __init__(self, parent):
#import os
#parent = os.path.dirname(os.path.realpath(__file__))
def __init__(self):
##/home/yan/MCI_sim_Fabu/MCI_inputData/SED_Code
self.parent = parent
import os
hdulist = fits.open(parent+'/SED_Code/seddata/stellar_temp.fits')
parent = os.path.dirname(os.path.realpath(__file__))
###print("获取其父目录——" + parent) # 从当前文件路径中获取目录
hdulist = fits.open(parent+'/seddata/stellar_temp.fits')
self.wave = hdulist[1].data['wave']
self.flux = hdulist[2].data
self.Teff_grid = hdulist[3].data['Teff']
self.FeH_grid = hdulist[3].data['FeH']
self.bpmag = flux_to_mag(self.wave, self.flux, band='GAIA_bp')
self.rpmag = flux_to_mag(self.wave, self.flux, band='GAIA_rp')
def toMag(self):
wave = self.wave
self.bpmag = flux_to_mag(wave, self.flux, self.parent,band='GAIA_bp')
self.rpmag = flux_to_mag(wave, self.flux, self.parent,band='GAIA_rp')
self.bpmag = flux_to_mag(wave, self.flux, band='GAIA_bp')
self.rpmag = flux_to_mag(wave, self.flux, band='GAIA_rp')
# -------------
# SED Modelling
def Model_Stellar_SED(wave, bp, rp, temp, filepath):
def Model_Stellar_SED(wave, bp, rp, temp):
"""Modelling stellar SED based on bp, rp magnitude
Args:
......@@ -197,7 +194,7 @@ def Model_Stellar_SED(wave, bp, rp, temp, filepath):
idx = np.argmin(np.abs(colors - color0))
flux0 = temp.flux[idx]
flux1 = np.interp(wave, temp.wave, flux0)
flux = calibrate(wave, flux1, rp, filepath, band = 'GAIA_rp')
flux = calibrate(wave, flux1, rp, band = 'GAIA_rp')
return flux
def Model_Galaxy_SED(wave, ugriz, z, temp):
......
csst_mci_sim/support/seddata/GAIA_bp.dat 0 → 100755
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This diff is collapsed.
csst_mci_sim/support/seddata/GAIA_rp.dat 0 → 100755
View file @ 132ee572
This diff is collapsed.
csst_mci_sim/support/seddata/SDSS_g.dat 0 → 100755
View file @ 132ee572
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csst_mci_sim/support/seddata/SDSS_i.dat 0 → 100755
View file @ 132ee572
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csst_mci_sim/support/seddata/SDSS_r.dat 0 → 100755
View file @ 132ee572
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csst_mci_sim/support/seddata/SDSS_u.dat 0 → 100755
View file @ 132ee572
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csst_mci_sim/support/seddata/SDSS_z.dat 0 → 100755
View file @ 132ee572
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