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Commit e81eb82b authored by Yan Zhaojun's avatar Yan Zhaojun
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csst_mci_sim/csst_mci_sim.py
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......@@ -2290,69 +2290,69 @@ class MCIsimulator():
# ########################################################################################################################################################################################################################################################
# def zodiacal(self, ra, dec, time):
# """
# For given RA, DEC and TIME, return the interpolated zodical spectrum in Leinert-1998.
def zodiacal(self, ra, dec, time):
"""
For given RA, DEC and TIME, return the interpolated zodical spectrum in Leinert-1998.
# :param ra: RA in unit of degree, ICRS frame
# :param dec: DEC in unit of degree, ICRS frame
# :param time: the specified string that in ISO format i.e., yyyy-mm-dd.
# :return:
# wave_A: wavelength of the zodical spectrum
# spec_mjy: flux of the zodical spectrum, in unit of MJy/sr
# spec_erg: flux of the zodical spectrum, in unit of erg/s/cm^2/A/sr
:param ra: RA in unit of degree, ICRS frame
:param dec: DEC in unit of degree, ICRS frame
:param time: the specified string that in ISO format i.e., yyyy-mm-dd.
:return:
wave_A: wavelength of the zodical spectrum
spec_mjy: flux of the zodical spectrum, in unit of MJy/sr
spec_erg: flux of the zodical spectrum, in unit of erg/s/cm^2/A/sr
# """
"""
# # get solar position
# dt = datetime.fromisoformat(time)
# ###jd = julian.to_jd(dt, fmt='jd')
# get solar position
dt = datetime.fromisoformat(time)
###jd = julian.to_jd(dt, fmt='jd')
# jd = time2jd(dt)
# t = Time(jd, format='jd', scale='utc')
jd = time2jd(dt)
t = Time(jd, format='jd', scale='utc')
# astro_sun = get_sun(t)
# ra_sun, dec_sun = astro_sun.gcrs.ra.deg, astro_sun.gcrs.dec.deg
astro_sun = get_sun(t)
ra_sun, dec_sun = astro_sun.gcrs.ra.deg, astro_sun.gcrs.dec.deg
# radec_sun = SkyCoord(ra=ra_sun*u.degree, dec=dec_sun*u.degree, frame='gcrs')
# lb_sun = radec_sun.transform_to('geocentrictrueecliptic')
radec_sun = SkyCoord(ra=ra_sun*u.degree, dec=dec_sun*u.degree, frame='gcrs')
lb_sun = radec_sun.transform_to('geocentrictrueecliptic')
# # get offsets between the target and sun.
# radec_obj = SkyCoord(ra=ra*u.degree, dec=dec*u.degree, frame='icrs')
# lb_obj = radec_obj.transform_to('geocentrictrueecliptic')
# get offsets between the target and sun.
radec_obj = SkyCoord(ra=ra*u.degree, dec=dec*u.degree, frame='icrs')
lb_obj = radec_obj.transform_to('geocentrictrueecliptic')
# beta = abs(lb_obj.lat.degree)
# lamda = abs(lb_obj.lon.degree - lb_sun.lon.degree)
beta = abs(lb_obj.lat.degree)
lamda = abs(lb_obj.lon.degree - lb_sun.lon.degree)
# # interpolated zodical surface brightness at 0.5 um
# zodi = pd.read_csv(self.information['dir_path']+'MCI_inputData/refs/zodi_map.dat', sep='\s+', header=None, comment='#')
# beta_angle = np.array([0, 5, 10, 15, 20, 25, 30, 45, 60, 75])
# lamda_angle = np.array([0, 5, 10, 15, 20, 25, 30, 35, 40, 45,
# 60, 75, 90, 105, 120, 135, 150, 165, 180])
# xx, yy = np.meshgrid(beta_angle, lamda_angle)
# f = interpolate.interp2d(xx, yy, zodi, kind='linear')
# zodi_obj = f(beta, lamda) # 10^�? W m�? sr�? um�?
# interpolated zodical surface brightness at 0.5 um
zodi = pd.read_csv(self.information['dir_path']+'MCI_inputData/refs/zodi_map.dat', sep='\s+', header=None, comment='#')
beta_angle = np.array([0, 5, 10, 15, 20, 25, 30, 45, 60, 75])
lamda_angle = np.array([0, 5, 10, 15, 20, 25, 30, 35, 40, 45,
60, 75, 90, 105, 120, 135, 150, 165, 180])
xx, yy = np.meshgrid(beta_angle, lamda_angle)
f = interpolate.interp2d(xx, yy, zodi, kind='linear')
zodi_obj = f(beta, lamda) # 10^�? W m�? sr�? um�?
# # read the zodical spectrum in the ecliptic
# cat_spec = pd.read_csv(self.information['dir_path']+'MCI_inputData/refs/solar_spec.dat', sep='\s+', header=None, comment='#')
# wave = cat_spec[0].values # A
# spec0 = cat_spec[1].values # 10^-8 W m^�? sr^�? μm^�?
# zodi_norm = 252 # 10^-8 W m^�? sr^�? μm^�?
# read the zodical spectrum in the ecliptic
cat_spec = pd.read_csv(self.information['dir_path']+'MCI_inputData/refs/solar_spec.dat', sep='\s+', header=None, comment='#')
wave = cat_spec[0].values # A
spec0 = cat_spec[1].values # 10^-8 W m^�? sr^�? μm^�?
zodi_norm = 252 # 10^-8 W m^�? sr^�? μm^�?
# spec = spec0 * (zodi_obj / zodi_norm) * 1e-8 # W m^�? sr^�? μm^�?
spec = spec0 * (zodi_obj / zodi_norm) * 1e-8 # W m^�? sr^�? μm^�?
# # convert to the commonly used unit of MJy/sr, erg/s/cm^2/A/sr
# wave_A = wave # A
# #spec_mjy = spec * 0.1 * wave_A**2 / 3e18 * 1e23 * 1e-6 # MJy/sr
# spec_erg = spec * 0.1 # erg/s/cm^2/A/sr
# spec_erg2 = spec_erg / 4.25452e10 # erg/s/cm^2/A/arcsec^2
# convert to the commonly used unit of MJy/sr, erg/s/cm^2/A/sr
wave_A = wave # A
#spec_mjy = spec * 0.1 * wave_A**2 / 3e18 * 1e23 * 1e-6 # MJy/sr
spec_erg = spec * 0.1 # erg/s/cm^2/A/sr
spec_erg2 = spec_erg / 4.25452e10 # erg/s/cm^2/A/arcsec^2
# self.zodiacal_wave=wave_A # in A
self.zodiacal_wave=wave_A # in A
# self.zodiacal_flux=spec_erg2
self.zodiacal_flux=spec_erg2
# return wave_A, spec_erg2
###################################################################################
return wave_A, spec_erg2
##################################################################################
##########################################################################
def cal_Lensing_galaxy_img(self):
......
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