コード例 #1
0
def name_ion(ion, flg=0, nspace=None):
    """ Convert string into ion tuple 
    JXP on 28 June 2015

    Parameters
    ----------
    ion: str
      Name of the ion, e.g. 'SiII' or 'Si II'

    Returns
    -------
    ion_tup : tuple
      e.g. (14,2)
    """
    if isinstance(ion, basestring):
        pass
    else:
        raise ValueError('ionization.name_ion: Not ready for this input yet.')

    if ion[1] in ['I', 'V', 'X', ' ']:
        iion = 1
    else:
        iion = 2

    # Element
    Z = ELEMENTS[ion[0:iion]].number

    # Ion
    ion_state = roman.fromRoman(ion[iion:].strip())

    return (Z, ion_state)
コード例 #2
0
ファイル: ionization.py プロジェクト: banados/xastropy
def name_ion(ion, flg=0, nspace=None):
    """ Convert string into ion tuple 
    JXP on 28 June 2015

    Parameters
    ----------
    ion: str
      Name of the ion, e.g. 'SiII' or 'Si II'

    Returns
    -------
    ion_tup : tuple
      e.g. (14,2)
    """
    if isinstance(ion, basestring):
        pass
    else:
        raise ValueError("ionization.name_ion: Not ready for this input yet.")

    if ion[1] in ["I", "V", "X", " "]:
        iion = 1
    else:
        iion = 2

    # Element
    Z = ELEMENTS[ion[0:iion]].number

    # Ion
    ion_state = roman.fromRoman(ion[iion:].strip())

    return (Z, ion_state)
コード例 #3
0
ファイル: abs_line.py プロジェクト: astronomeara/xastropy-old
def mk_line_list_fits_table(outfil=None,XIDL=False):
    from barak import absorb as ba

    if XIDL is True:
        lindat =  os.getenv('XIDL_DIR')+'/Spec/Lines/Lists/grb.lst'
        finedat = os.getenv('XIDL_DIR')+'/Spec/Lines/Lists/fine_strct.lst'
    else:
        lindat = 'grb.lst'  # This pulls from xastropy/data/spec_lines first
        finedat = os.getenv('XIDL_DIR')+'/Spec/Lines/Lists/fine_strct.lst'
  
    # Read XIDL line list
    llist = Abs_Line_List(lindat)
    ndata = len(llist.data)

    # Add columns
    from astropy.table import Column
    gamma = Column(np.zeros(ndata),name='gamma')
    A = Column(np.zeros(ndata),name='A') # Einstein coefficient
    j = Column(np.zeros(ndata),name='j') # Tot ang mom (z projection)
    Ex = Column(np.zeros(ndata),name='Ex') # Excitation energy (cm^-1)
    Elow = Column(np.zeros(ndata),name='Elow') # Energy of lower level
    Eup = Column(np.zeros(ndata),name='Eup') # Energy of upper level
    Z = Column(np.zeros(ndata,dtype='int'),name='Z') # Atomic number
    ion = Column(np.zeros(ndata,dtype='int'),name='ion') # Ionic state

    llist.data.add_columns([gamma,A,j,Ex,Elow,Eup,Z,ion])

    # Z,ion
    for ii in range(ndata):
        nm = llist.data['name'][ii]
        # Z
        if nm[1] == 'I' or nm[1] == 'V': 
            ielm = 1
        else:
            ielm = 2
        elm = nm[:ielm]
        try:
            Zv = ELEMENTS[elm].number
        except KeyError:
            if elm in ['CO','CC','HH']: # Molecules
                Zv = 999
            elif elm in ['D']: # Deuterium
                Zv = 1
            else:
                xdb.set_trace()
        llist.data['Z'][ii] = Zv
        # ion
        ispc = nm.find(' ')
        cion = nm[ielm:ispc].strip('*')
        if len(cion) == 0:
            ionv =0
        else:
            ionv = roman.fromRoman(cion)
        llist.data['ion'][ii] = ionv

    # #######
    # Fill in matches
    
    # Read atom.dat using barak
    atom, atomflat = ba.readatom(flat=True)
    #pdb.set_trace()
    llist.sources.append('atom.dat') # I wish I could pull this from ba.readatom

    # Fine structure
    fdata = ascii.read(finedat)
    llist.sources.append(finedat)

    # Loop
    for ii in range(ndata):
        # Atom.dat
        mt = np.where(np.fabs(llist.data['wrest'][ii]-atomflat['wa']) < 1e-3)[0]
        if len(mt) > 0: llist.data['gamma'][ii] = atomflat['gam'][mt[0]] # Takes the first match

        # Fine structure
        mt = np.where(np.fabs(llist.data['wrest'][ii]-fdata['wrest']) < 1e-3)[0]
        if len(mt) > 0:
            llist.data['A'][ii] = fdata['A'][mt[0]] # Takes the first match
    
    # Output file
    if outfil is None:
        outfil = xa_path+'/data/atomic/spec_atomic_lines.fits'

    # Header
    '''
    prihdr = fits.Header()
    prihdr['COMMENT'] = "Above are the data sources"
    for ii in range(len(llist.sources)):
        card = 'SOURCE'+str(ii+1)
        prihdr[card] = llist.sources[ii]
    prihdu = fits.PrimaryHDU(header=prihdr)

    # Table
    table_hdu = fits.BinTableHDU.from_columns(np.array(llist.data.filled()))

    '''
    # Write
    llist.data.write(outfil, overwrite=True, format='fits')
    print('mk_line_list: Wrote {:s}'.format(outfil))
コード例 #4
0
    def mk_line_list_fits_table(outfil=None,XIDL=False):
        from barak import absorb as ba
    
        if XIDL is True:
            lindat =  os.getenv('XIDL_DIR')+'/Spec/Lines/Lists/grb.lst'
            finedat = os.getenv('XIDL_DIR')+'/Spec/Lines/Lists/fine_strct.lst'
        else:
            lindat = 'grb.lst'  # This pulls from xastropy/data/spec_lines first
            finedat = os.getenv('XIDL_DIR')+'/Spec/Lines/Lists/fine_strct.lst'
            
        # Read XIDL line list
        llist = Abs_Line_List(lindat)
        ndata = len(llist.data)
    
        # Add columns
        from astropy.table import Column
        gamma = Column(np.zeros(ndata),name='gamma')
        A = Column(np.zeros(ndata),name='A') # Einstein coefficient
        j = Column(np.zeros(ndata),name='j') # Tot ang mom (z projection)
        Ex = Column(np.zeros(ndata),name='Ex') # Excitation energy (cm^-1)
        Elow = Column(np.zeros(ndata),name='Elow') # Energy of lower level
        Eup = Column(np.zeros(ndata),name='Eup') # Energy of upper level
        Z = Column(np.zeros(ndata,dtype='int'),name='Z') # Atomic number
        ion = Column(np.zeros(ndata,dtype='int'),name='ion') # Ionic state
    
        llist.data.add_columns([gamma,A,j,Ex,Elow,Eup,Z,ion])
    
        # Z,ion
        for ii in range(ndata):
            nm = llist.data['name'][ii]
            # Z
            if nm[1] == 'I' or nm[1] == 'V': 
                ielm = 1
            else:
                ielm = 2
            elm = nm[:ielm]
            try:
                Zv = ELEMENTS[elm].number
            except KeyError:
                if elm in ['CO','CC','HH']: # Molecules
                    Zv = 999
                elif elm in ['D']: # Deuterium
                    Zv = 1
                else:
                    xdb.set_trace()
            llist.data['Z'][ii] = Zv
            # ion
            ispc = nm.find(' ')
            cion = nm[ielm:ispc].strip('*')
            if len(cion) == 0:
                ionv =0
            else:
                ionv = roman.fromRoman(cion)
            llist.data['ion'][ii] = ionv
    
        # #######
        # Fill in matches
        
        # Read atom.dat using barak
        atom, atomflat = ba.readatom(flat=True)
        #pdb.set_trace()
        llist.sources.append('atom.dat') # I wish I could pull this from ba.readatom
    
        # Fine structure
        fdata = ascii.read(finedat)
        llist.sources.append(finedat)

        # Loop
        for ii in range(ndata):
            # Atom.dat
            mt = np.where(np.fabs(llist.data['wrest'][ii]-atomflat['wa']) < 1e-3)[0]
            if len(mt) > 0: llist.data['gamma'][ii] = atomflat['gam'][mt[0]] # Takes the first match
    
            # Fine structure
            mt = np.where(np.fabs(llist.data['wrest'][ii]-fdata['wrest']) < 1e-3)[0]
            if len(mt) > 0:
                llist.data['A'][ii] = fdata['A'][mt[0]] # Takes the first match
        
        # Output file
        if outfil is None:
            outfil = xa_path+'/data/atomic/spec_atomic_lines.fits'
    
        # Header
        '''
        prihdr = fits.Header()
        prihdr['COMMENT'] = "Above are the data sources"
        for ii in range(len(llist.sources)):
        card = 'SOURCE'+str(ii+1)
        prihdr[card] = llist.sources[ii]
        prihdu = fits.PrimaryHDU(header=prihdr)
    
        # Table
        table_hdu = fits.BinTableHDU.from_columns(np.array(llist.data.filled()))
    
        '''
        # Write
        llist.data.write(outfil, overwrite=True, format='fits')
        print('mk_line_list: Wrote {:s}'.format(outfil))