Ejemplo n.º 1
0
    def addcia(self, interaction, mmr1, mmr2):
        """
        Args:
           interaction: e.g. H2-H2, H2-He
           mmr1: mass mixing ratio for molecule 1
           mmr2: mass mixing ratio for molecule 2

        """
        mol1, mol2 = defcia.interaction2mols(interaction)
        molmass1 = molinfo.molmass(mol1)
        molmass2 = molinfo.molmass(mol2)
        vmr1 = (mmr1 * self.mmw / molmass1)
        vmr2 = (mmr2 * self.mmw / molmass2)
        ciapath = pathlib.Path(self.databasedir) / \
            pathlib.Path(defcia.ciafile(interaction))
        cdb = contdb.CdbCIA(str(ciapath), [self.nus[0], self.nus[-1]])
        dtauc = dtauCIA(self.nus, self.Tarr, self.Parr, self.dParr, vmr1, vmr2,
                        self.mmw, self.gravity, cdb.nucia, cdb.tcia, cdb.logac)
        self.dtau = self.dtau + dtauc
Ejemplo n.º 2
0
def ap(fobs, nusd, ws, we, Nx):
    mask = (ws < wavd[::-1]) * (wavd[::-1] < we)
    #additional mask to remove a strong telluric
    mask = mask * ((22898.5 > wavd[::-1]) + (wavd[::-1] > 22899.5))
    fobsx = fobs[mask]
    nusdx = nusd[mask]
    wavdx = 1.e8 / nusdx[::-1]
    errx = err[mask]
    nus, wav, res = nugrid(ws - 5.0, we + 5.0, Nx, unit="AA")
    #loading molecular database
    mdbCO = moldb.MdbExomol('.database/CO/12C-16O/Li2015', nus)
    mdbH2O = moldb.MdbExomol('.database/H2O/1H2-16O/POKAZATEL',
                             nus,
                             crit=1.e-46)
    #LOADING CIA
    cdbH2H2 = contdb.CdbCIA('.database/H2-H2_2011.cia', nus)
    cdbH2He = contdb.CdbCIA('.database/H2-He_2011.cia', nus)

    #REDUCING UNNECESSARY LINES
    #1. CO
    Tarr = T0c * np.ones_like(Parr)
    qt = vmap(mdbCO.qr_interp)(Tarr)
    gammaLMP = jit(vmap(gamma_exomol,(0,0,None,None)))\
        (Parr,Tarr,mdbCO.n_Texp,mdbCO.alpha_ref)
    gammaLMN = gamma_natural(mdbCO.A)
    gammaLM = gammaLMP + gammaLMN[None, :]
    SijM=jit(vmap(SijT,(0,None,None,None,0)))\
        (Tarr,mdbCO.logsij0,mdbCO.nu_lines,mdbCO.elower,qt)
    sigmaDM=jit(vmap(doppler_sigma,(None,0,None)))\
        (mdbCO.nu_lines,Tarr,molmassCO)
    mask_CO, maxcf, maxcia = mask_weakline(mdbCO,
                                           Parr,
                                           dParr,
                                           Tarr,
                                           SijM,
                                           gammaLM,
                                           sigmaDM,
                                           maxMMR_CO * ONEARR,
                                           molmassCO,
                                           mmw,
                                           g,
                                           vmrH2,
                                           cdbH2H2,
                                           margin=2)
    mdbCO.masking(mask_CO)

    #plot_maxpoint(mask_CO,Parr,maxcf,maxcia,mol="CO")
    #plt.savefig("maxpoint_CO.pdf", bbox_inches="tight", pad_inches=0.0)

    #2. H2O
    T0xarr = list(range(500, 1800, 100))
    for k, T0x in enumerate(T0xarr):
        Tarr = T0x * np.ones_like(Parr)
        qt = vmap(mdbH2O.qr_interp)(Tarr)
        gammaLMP = jit(vmap(gamma_exomol,(0,0,None,None)))\
            (Parr,Tarr,mdbH2O.n_Texp,mdbH2O.alpha_ref)
        gammaLMN = gamma_natural(mdbH2O.A)
        gammaLM = gammaLMP + gammaLMN[None, :]
        SijM=jit(vmap(SijT,(0,None,None,None,0)))\
            (Tarr,mdbH2O.logsij0,mdbH2O.nu_lines,mdbH2O.elower,qt)
        sigmaDM=jit(vmap(doppler_sigma,(None,0,None)))\
            (mdbH2O.nu_lines,Tarr,molmassH2O)
        mask_H2O_tmp, maxcf, maxcia = mask_weakline(mdbH2O,
                                                    Parr,
                                                    dParr,
                                                    Tarr,
                                                    SijM,
                                                    gammaLM,
                                                    sigmaDM,
                                                    maxMMR_H2O * ONEARR,
                                                    molmassH2O,
                                                    mmw,
                                                    g,
                                                    vmrH2,
                                                    cdbH2H2,
                                                    margin=2)
        if k == 0:
            mask_H2O = np.copy(mask_H2O_tmp)
        else:
            mask_H2O = mask_H2O + mask_H2O_tmp

        if k == len(T0xarr) - 1:
            print("H2O ")
            plot_maxpoint(mask_H2O_tmp, Parr, maxcf, maxcia, mol="H2O")
            plt.savefig("maxpoint_H2O.pdf",
                        bbox_inches="tight",
                        pad_inches=0.0)
            print("H2O saved")

    mdbH2O.masking(mask_H2O)
    print("Final:", len(mask_H2O), "->", np.sum(mask_H2O))
    #nu matrix
    numatrix_CO = make_numatrix0(nus, mdbCO.nu_lines)
    numatrix_H2O = make_numatrix0(nus, mdbH2O.nu_lines)

    return fobsx, nusdx, wavdx, errx, nus, wav, res, mdbCO, mdbH2O, numatrix_CO, numatrix_H2O, cdbH2H2, cdbH2He
Ejemplo n.º 3
0
def test_VALD_MODIT():

    #wavelength range
    wls, wll = 10395, 10405

    #Set a model atmospheric layers, wavenumber range for the model, an instrument
    NP = 100
    Parr, dParr, k = pressure_layer(NP=NP)
    Pref = 1.0  #bar
    ONEARR = np.ones_like(Parr)

    Nx = 2000
    nus, wav, res = nugrid(wls - 5.0, wll + 5.0, Nx, unit="AA", xsmode="modit")

    Rinst = 100000.  #instrumental spectral resolution
    beta_inst = R2STD(
        Rinst)  #equivalent to beta=c/(2.0*np.sqrt(2.0*np.log(2.0))*R)

    #atoms and ions from VALD
    adbV = moldb.AdbVald(
        path_ValdLineList, nus, crit=1e-100
    )  #The crit is defined just in case some weak lines may cause an error that results in a gamma of 0... (220219)
    asdb = moldb.AdbSepVald(adbV)

    #molecules from exomol
    mdbH2O = moldb.MdbExomol('.database/H2O/1H2-16O/POKAZATEL',
                             nus,
                             crit=1e-50)  #,crit = 1e-40)
    mdbTiO = moldb.MdbExomol('.database/TiO/48Ti-16O/Toto', nus,
                             crit=1e-50)  #,crit = 1e-50)
    mdbOH = moldb.MdbExomol('.database/OH/16O-1H/MoLLIST', nus)
    mdbFeH = moldb.MdbExomol('.database/FeH/56Fe-1H/MoLLIST', nus)

    #CIA
    cdbH2H2 = contdb.CdbCIA('.database/H2-H2_2011.cia', nus)

    #molecular mass
    molmassH2O = molinfo.molmass("H2O")
    molmassTiO = molinfo.molmass("TiO")
    molmassOH = molinfo.molmass("OH")
    molmassFeH = molinfo.molmass("FeH")
    molmassH = molinfo.molmass("H")
    molmassH2 = molinfo.molmass("H2")

    #Initialization of MODIT (for separate VALD species, and exomol molecules(e.g., FeH))
    cnuS, indexnuS, R, pmarray = initspec.init_modit_vald(
        asdb.nu_lines, nus, asdb.N_usp)
    cnu_FeH, indexnu_FeH, R, pmarray = initspec.init_modit(
        mdbFeH.nu_lines, nus)
    cnu_H2O, indexnu_H2O, R, pmarray = initspec.init_modit(
        mdbH2O.nu_lines, nus)
    cnu_OH, indexnu_OH, R, pmarray = initspec.init_modit(mdbOH.nu_lines, nus)
    cnu_TiO, indexnu_TiO, R, pmarray = initspec.init_modit(
        mdbTiO.nu_lines, nus)

    #sampling the max/min of temperature profiles
    fT = lambda T0, alpha: T0[:, None] * (Parr[None, :] / Pref)**alpha[:, None]
    T0_test = np.array([1500.0, 4000.0, 1500.0, 4000.0])
    alpha_test = np.array([0.2, 0.2, 0.05, 0.05])
    res = 0.2

    #Assume typical atmosphere
    H_He_HH_VMR_ref = [0.1, 0.15, 0.75]
    PH_ref = Parr * H_He_HH_VMR_ref[0]
    PHe_ref = Parr * H_He_HH_VMR_ref[1]
    PHH_ref = Parr * H_He_HH_VMR_ref[2]

    #Precomputing dgm_ngammaL
    dgm_ngammaL_VALD = setdgm_vald_all(asdb, PH_ref, PHe_ref, PHH_ref, R, fT,
                                       res, T0_test, alpha_test)
    dgm_ngammaL_FeH = setdgm_exomol(mdbFeH, fT, Parr, R, molmassFeH, res,
                                    T0_test, alpha_test)
    dgm_ngammaL_H2O = setdgm_exomol(mdbH2O, fT, Parr, R, molmassH2O, res,
                                    T0_test, alpha_test)
    dgm_ngammaL_OH = setdgm_exomol(mdbOH, fT, Parr, R, molmassOH, res, T0_test,
                                   alpha_test)
    dgm_ngammaL_TiO = setdgm_exomol(mdbTiO, fT, Parr, R, molmassTiO, res,
                                    T0_test, alpha_test)

    T0 = 3000.
    alpha = 0.07
    Mp = 0.155 * 1.99e33 / 1.90e30
    Rp = 0.186 * 6.96e10 / 6.99e9
    u1 = 0.0
    u2 = 0.0
    RV = 0.00
    vsini = 2.0

    mmw = 2.33 * ONEARR  #mean molecular weight
    log_e_H = -4.2
    VMR_H = 0.09
    VMR_H2 = 0.77
    VMR_FeH = 10**-8
    VMR_H2O = 10**-4
    VMR_OH = 10**-4
    VMR_TiO = 10**-8
    A_Fe = 1.5
    A_Ti = 1.2

    adjust_continuum = 0.99

    ga = 2478.57730044555 * Mp / Rp**2
    Tarr = T0 * (Parr / Pref)**alpha
    PH = Parr * VMR_H
    PHe = Parr * (1 - VMR_H - VMR_H2)
    PHH = Parr * VMR_H2
    VMR_e = VMR_H * 10**log_e_H

    #VMR of atoms and ions (+Abundance modification)
    mods_ID = jnp.array([[26, 1], [22, 1]])
    mods = jnp.array([A_Fe, A_Ti])
    VMR_uspecies = atomll.get_VMR_uspecies(asdb.uspecies, mods_ID, mods)
    VMR_uspecies = VMR_uspecies[:, None] * ONEARR

    #Compute delta tau

    #Atom & ions (VALD)
    SijMS, ngammaLMS, nsigmaDlS = vald_all(asdb, Tarr, PH, PHe, PHH, R)
    xsmS = xsmatrix_vald(cnuS, indexnuS, R, pmarray, nsigmaDlS, ngammaLMS,
                         SijMS, nus, dgm_ngammaL_VALD)
    dtauatom = dtauVALD(dParr, xsmS, VMR_uspecies, mmw, ga)

    #FeH
    SijM_FeH, ngammaLM_FeH, nsigmaDl_FeH = exomol(mdbFeH, Tarr, Parr, R,
                                                  molmassFeH)
    xsm_FeH = xsmatrix(cnu_FeH, indexnu_FeH, R, pmarray, nsigmaDl_FeH,
                       ngammaLM_FeH, SijM_FeH, nus, dgm_ngammaL_FeH)
    dtaum_FeH = dtauM_mmwl(dParr, jnp.abs(xsm_FeH), VMR_FeH * ONEARR, mmw, ga)

    #H2O
    SijM_H2O, ngammaLM_H2O, nsigmaDl_H2O = exomol(mdbH2O, Tarr, Parr, R,
                                                  molmassH2O)
    xsm_H2O = xsmatrix(cnu_H2O, indexnu_H2O, R, pmarray, nsigmaDl_H2O,
                       ngammaLM_H2O, SijM_H2O, nus, dgm_ngammaL_H2O)
    dtaum_H2O = dtauM_mmwl(dParr, jnp.abs(xsm_H2O), VMR_H2O * ONEARR, mmw, ga)

    #OH
    SijM_OH, ngammaLM_OH, nsigmaDl_OH = exomol(mdbOH, Tarr, Parr, R, molmassOH)
    xsm_OH = xsmatrix(cnu_OH, indexnu_OH, R, pmarray, nsigmaDl_OH, ngammaLM_OH,
                      SijM_OH, nus, dgm_ngammaL_OH)
    dtaum_OH = dtauM_mmwl(dParr, jnp.abs(xsm_OH), VMR_OH * ONEARR, mmw, ga)

    #TiO
    SijM_TiO, ngammaLM_TiO, nsigmaDl_TiO = exomol(mdbTiO, Tarr, Parr, R,
                                                  molmassTiO)
    xsm_TiO = xsmatrix(cnu_TiO, indexnu_TiO, R, pmarray, nsigmaDl_TiO,
                       ngammaLM_TiO, SijM_TiO, nus, dgm_ngammaL_TiO)
    dtaum_TiO = dtauM_mmwl(dParr, jnp.abs(xsm_TiO), VMR_TiO * ONEARR, mmw, ga)

    #Hminus
    dtau_Hm = dtauHminus_mmwl(nus, Tarr, Parr, dParr, VMR_e * ONEARR,
                              VMR_H * ONEARR, mmw, ga)

    #CIA
    dtauc_H2H2 = dtauCIA_mmwl(nus, Tarr, Parr, dParr, VMR_H2 * ONEARR,
                              VMR_H2 * ONEARR, mmw, ga, cdbH2H2.nucia,
                              cdbH2H2.tcia, cdbH2H2.logac)

    #Summations
    dtau = dtauatom + dtaum_FeH + dtaum_H2O + dtaum_OH + dtaum_TiO + dtau_Hm + dtauc_H2H2

    sourcef = planck.piBarr(Tarr, nus)
    F0 = rtrun(dtau, sourcef)
    Frot = response.rigidrot(nus, F0, vsini, u1, u2)
    wavd = jnp.linspace(wls, wll, 500)
    nusd = jnp.array(1.e8 / wavd[::-1])
    mu = response.ipgauss_sampling(nusd, nus, Frot, beta_inst, RV)
    mu = mu / jnp.nanmax(mu) * adjust_continuum

    assert (np.all(~np.isnan(mu)) * \
            np.all(mu != 0) * \
            np.all(abs(mu) != np.inf))
Ejemplo n.º 4
0
Rinst = 100000.
beta_inst = R2STD(Rinst)

molmassH2O = molinfo.molmass('H2O')
molmassCO = molinfo.molmass('CO')

mmw = 2.33  # mean molecular weight
mmrH2 = 0.74
molmassH2 = molinfo.molmass('H2')
vmrH2 = (mmrH2 * mmw / molmassH2)  # VMR

#
Mp = 33.2
mdbH2O = moldb.MdbExomol('.database/H2O/1H2-16O/POKAZATEL/', nus, crit=1.e-50)
mdbCO = moldb.MdbExomol('.database/CO/12C-16O/Li2015/', nus)
cdbH2H2 = contdb.CdbCIA('.database/H2-H2_2011.cia', nus)
print('N=', len(mdbH2O.nu_lines))

# Reference pressure for a T-P model
Pref = 1.0  # bar
ONEARR = np.ones_like(Parr)
ONEWAV = jnp.ones_like(nflux)

#

cnu_H2O, indexnu_H2O, R_H2O, pmarray_H2O = initspec.init_modit(
    mdbH2O.nu_lines, nus)
cnu_CO, indexnu_CO, R_CO, pmarray_CO = initspec.init_modit(mdbCO.nu_lines, nus)
R = R_CO
# Precomputing gdm_ngammaL
Ejemplo n.º 5
0
def ap(fobs, nusd, ws, we, Nx):
    mask = (ws < wavd[::-1]) * (wavd[::-1] < we)
    #additional mask
    mask = mask * ((22898.5 > wavd[::-1]) + (wavd[::-1] > 22899.5))

    fobsx = fobs[mask]
    nusdx = nusd[mask]
    wavdx = 1.e8 / nusdx[::-1]
    errx = err[mask]
    nus, wav, res = nugrid(ws - 5.0, we + 5.0, Nx, unit="AA")
    #loading molecular database
    #mdbCO=moldb.MdbExomol('.database/CO/12C-16O/Li2015',nus)
    mdbCO = moldb.MdbHit('05_HITEMP2019.par.bz2', nus)
    mdbCO.ExomolQT('.database/CO/12C-16O/Li2015')

    ##use HITEMP later
    mdbH2O = moldb.MdbExomol('H2O/1H2-16O/POKAZATEL', nus, crit=1.e-45)
    #    mdbH2O=moldb.MdbExomol('.database/H2O/1H2-16O/POKAZATEL',nus)

    print("resolution=", res)

    #LOADING CIA
    cdbH2H2 = contdb.CdbCIA('H2-H2_2011.cia', nus)
    cdbH2He = contdb.CdbCIA('H2-He_2011.cia', nus)

    ### REDUCING UNNECESSARY LINES
    #######################################################

    #1. CO
    Tarr = T0c * np.ones_like(Parr)
    qt = vmap(mdbCO.qr_interp)(Tarr)
    #    gammaL = gamma_hitran(Pfix,Tfix, Ppart, mdbCO.n_air, \
    #                          mdbCO.gamma_air, mdbCO.gamma_self) \
    gammaLMP = jit(vmap(gamma_hitran,(0,0,0,None,None,None)))\
        (Parr*0.99,Tarr,Parr*0.01,mdbCO.n_air,mdbCO.gamma_air,mdbCO.gamma_self)
    gammaLMN = gamma_natural(mdbCO.A)

    #(Nlayer, Nlines)+(None, Nlines)=(Nlayers, Nlines)
    gammaLM = gammaLMP + gammaLMN[None, :]

    SijM=jit(vmap(SijT,(0,None,None,None,0)))\
        (Tarr,mdbCO.logsij0,mdbCO.nu_lines,mdbCO.elower,qt)
    sigmaDM=jit(vmap(doppler_sigma,(None,0,None)))\
        (mdbCO.nu_lines,Tarr,molmassCO)

    mask_CO, maxcf, maxcia = mask_weakline(mdbCO, Parr, dParr, Tarr, SijM,
                                           gammaLM, sigmaDM,
                                           maxMMR_CO * ONEARR, molmassCO, mmw,
                                           g, vmrH2, cdbH2H2)
    mdbCO.masking(mask_CO)

    plot_maxpoint(mask_CO, Parr, maxcf, maxcia, mol="CO")
    plt.savefig("npz/maxpoint_CO.pdf", bbox_inches="tight", pad_inches=0.0)
    #2. H2O
    T0xarr = list(range(500, 1800, 100))
    for k, T0x in enumerate(T0xarr):
        Tarr = T0x * np.ones_like(Parr)

        qt = vmap(mdbH2O.qr_interp)(Tarr)
        gammaLMP = jit(vmap(gamma_exomol,(0,0,None,None)))\
            (Parr,Tarr,mdbH2O.n_Texp,mdbH2O.alpha_ref)
        gammaLMN = gamma_natural(mdbH2O.A)
        gammaLM = gammaLMP + gammaLMN[None, :]
        SijM=jit(vmap(SijT,(0,None,None,None,0)))\
            (Tarr,mdbH2O.logsij0,mdbH2O.nu_lines,mdbH2O.elower,qt)
        sigmaDM=jit(vmap(doppler_sigma,(None,0,None)))\
            (mdbH2O.nu_lines,Tarr,molmassH2O)

        mask_H2O_tmp, maxcf, maxcia = mask_weakline(mdbH2O, Parr, dParr, Tarr,
                                                    SijM, gammaLM, sigmaDM,
                                                    maxMMR_H2O * ONEARR,
                                                    molmassH2O, mmw, g, vmrH2,
                                                    cdbH2H2)
        if k == 0:
            mask_H2O = np.copy(mask_H2O_tmp)
        else:
            mask_H2O = mask_H2O + mask_H2O_tmp

        if T0x == 1700.0:
            plot_maxpoint(mask_H2O_tmp, Parr, maxcf, maxcia, mol="H2O")
            plt.savefig("maxpoint_H2O.pdf",
                        bbox_inches="tight",
                        pad_inches=0.0)

    mdbH2O.masking(mask_H2O)
    print("Final:", len(mask_H2O), "->", np.sum(mask_H2O))

    #nu matrix
    numatrix_CO = make_numatrix0(nus, mdbCO.nu_lines)
    numatrix_H2O = make_numatrix0(nus, mdbH2O.nu_lines)
    cdbH2H2 = contdb.CdbCIA('.database/H2-H2_2011.cia', nus)
    cdbH2He = contdb.CdbCIA('.database/H2-He_2011.cia', nus)

    return fobsx, nusdx, wavdx, errx, nus, wav, res, mdbCO, mdbH2O, numatrix_CO, numatrix_H2O, cdbH2H2, cdbH2He