Commit b9723717 authored by Fang Yuedong's avatar Fang Yuedong
Browse files

Add Milky Way extinction and extend the range for SED integration

parent 6e13d206

catalog/C9_Catalog.py

+30 −9
Original line number Diff line number Diff line
@@ -111,10 +111,14 @@ class Catalog(CatalogBase): 
        self.max_size = 0.



        # [TODO] Milky Way extinction

        if "enable_mw_ext_gal" in config["catalog_options"] and config["catalog_options"]["enable_mw_ext_gal"]:

            if "planck_ebv_map" not in config["catalog_options"]:

                raise ValueError(

                    "Planck dust map must be given to enable Milky Way extinction calculation for galaxies.")

            self.mw_ext = ExtinctionMW()

            self.mw_ext.init_ext_model(model_name="odonnell")

            self.mw_ext.load_Planck_ext(

            file_path="/public/home/fangyuedong/project/ext_maps/planck/HFI_CompMap_ThermalDustModel_2048_R1.20.fits")

                file_path=config["catalog_options"]["planck_ebv_map"])



        if "star_cat" in config["catalog_options"]["input_path"] and config["catalog_options"]["input_path"]["star_cat"] and not config["catalog_options"]["galaxy_only"]:

            # Get the cloest star catalog file
@@ -255,7 +259,10 @@ class Catalog(CatalogBase): 
            )



        # [TODO] get Milky Way extinction AVs

        if "enable_mw_ext_gal" in self.config["catalog_options"] and self.config["catalog_options"]["enable_mw_ext_gal"]:

            MW_Av_arr = self.mw_ext.Av_from_Planck(ra=ra_arr, dec=dec_arr)

        else:

            MW_Av_arr = np.zeros(len(ra_arr))



        for igals in range(ngals):

            # # (TEST)
@@ -544,14 +551,28 @@ class Catalog(CatalogBase): 
        y = speci(lamb)



        # [TODO] Apply Milky Way extinction

        if obj.type != 'star':

            self.mw_ext.apply_extinction(y, Av=obj.mw_Av)

        if obj.type != 'star' and ("enable_mw_ext_gal" in self.config["catalog_options"] and self.config["catalog_options"]["enable_mw_ext_gal"]):

            y = self.mw_ext.apply_extinction(y, Av=obj.mw_Av)



        # erg/s/cm2/A --> photon/s/m2/A

        all_sed = y * lamb / (cons.h.value * cons.c.value) * 1e-13

        sed = Table(np.array([lamb, all_sed]).T, names=('WAVELENGTH', 'FLUX'))

        if obj.type == 'quasar':

        # if obj.type == 'quasar':

        #     # integrate to get the magnitudes

        #     sed_photon = np.array([sed['WAVELENGTH'], sed['FLUX']]).T

        #     sed_photon = galsim.LookupTable(x=np.array(sed_photon[:, 0]), f=np.array(

        #         sed_photon[:, 1]), interpolant='nearest')

        #     sed_photon = galsim.SED(

        #         sed_photon, wave_type='A', flux_type='1', fast=False)

        #     interFlux = integrate_sed_bandpass(

        #         sed=sed_photon, bandpass=self.filt.bandpass_full)

        #     obj.param['mag_use_normal'] = getABMAG(

        #         interFlux, self.filt.bandpass_full)

        #     # mag = getABMAG(interFlux, self.filt.bandpass_full)

        #     # print("mag diff = %.3f"%(mag - obj.param['mag_use_normal']))



        # integrate to get the magnitudes

        if obj.type == 'quasar' or obj.type == 'galaxy':

            sed_photon = np.array([sed['WAVELENGTH'], sed['FLUX']]).T

            sed_photon = galsim.LookupTable(x=np.array(sed_photon[:, 0]), f=np.array(

                sed_photon[:, 1]), interpolant='nearest')

config/config_overall.yaml

+7 −3
Original line number Diff line number Diff line
@@ -11,7 +11,7 @@ 
# can add some of the command-line arguments here as well;

# ok to pass either way or both, as long as they are consistent

work_dir: "/public/home/fangyuedong/project/workplace/"

run_name: "ext_test"

run_name: "ext_on"



# Project cycle and run counter are used to name the outputs

project_cycle: 9
@@ -44,11 +44,15 @@ catalog_options: 
  star_only: NO



  # Only simulate galaxies?

  galaxy_only: YES

  galaxy_only: NO



  # rotate galaxy ellipticity

  rotateEll: 0. # [degree]



  # Whether to apply milky way extinction to galaxies

  enable_mw_ext_gal: YES

  planck_ebv_map: "/public/home/fangyuedong/project/ext_maps/planck/HFI_CompMap_ThermalDustModel_2048_R1.20.fits"



###############################################

# Observation setting

###############################################
@@ -68,7 +72,7 @@ obs_setting: 
  run_pointings: [0, 1, 2, 3, 4]



  # Whether to enable astrometric modeling

  enable_astrometric_model: True

  enable_astrometric_model: YES



  # Cut by saturation magnitude in which band?

  cut_in_band: "z"

observation_sim/instruments/data/filters/fgs_sub.list

+1 −1
Original line number Diff line number Diff line 
3000

2000

4500

4750

5000

observation_sim/instruments/data/filters/g_sub.list

+2 −2
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3800

2000

4217

4432

4631
@@ -6,4 +6,4 @@ 
5002

5179

5354

5799
 
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11000
 
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observation_sim/instruments/data/filters/i_sub.list

+2 −2
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6600

2000

7061

7255

7448
@@ -6,4 +6,4 @@ 
7833

8027

8226

8999
 
 No newline at end of file
 
11000
 
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