lines
- lines.he_3_properties()[source]
Returns the central wavelengths in air, oscillator strengths and the Einstein coefficient of the helium triplet in 1.083 microns. The values were taken from the NIST database: https://www.nist.gov/pml/atomic-spectra-database
- Returns:
- lambda_0
float Central wavelength in air of line 0 in unit of m.
- lambda_1
float Central wavelength in air of line 1 in unit of m.
- lambda_2
float Central wavelength in air of line 2 in unit of m.
- f_0
float Oscillator strength of line 0 (unitless).
- f_1
float Oscillator strength of line 1 (unitless).
- f_2
float Oscillator strength of line 2 (unitless).
- a_ij
float Einstein coefficient of the whole triplet in unit of 1 / s.
- lambda_0
- lines.c_ii_properties()[source]
Returns the central wavelengths in air, oscillator strengths and the Einstein coefficient of the C II lines in the STIS FUV wavelength range. The values were taken from the NIST database: https://www.nist.gov/pml/atomic-spectra-database
- Returns:
- lambda_0
float Central wavelength in air of line 0 in unit of m.
- lambda_1
float Central wavelength in air of line 1 in unit of m.
- lambda_2
float Central wavelength in air of line 2 in unit of m.
- f_0
float Oscillator strength of line 0 (unitless).
- f_1
float Oscillator strength of line 1 (unitless).
- f_2
float Oscillator strength of line 2 (unitless).
- a_ij_0
float Einstein coefficient of line 0 in unit of 1 / s.
- a_ij_1
float Einstein coefficient of line 1 in unit of 1 / s.
- a_ij_2
float Einstein coefficient of line 2 in unit of 1 / s.
- lambda_0
- lines.o_i_properties()[source]
Returns the central wavelengths in air, oscillator strengths and the Einstein coefficient of the O I lines in the STIS FUV wavelength range. The values were taken from the NIST database: https://www.nist.gov/pml/atomic-spectra-database
- Returns:
- lambda_0
float Central wavelength in air of line 0 in unit of m.
- lambda_1
float Central wavelength in air of line 1 in unit of m.
- lambda_2
float Central wavelength in air of line 2 in unit of m.
- f_0
float Oscillator strength of line 0 (unitless).
- f_1
float Oscillator strength of line 1 (unitless).
- f_2
float Oscillator strength of line 2 (unitless).
- a_ij_0
float Einstein coefficient of line 0 in unit of 1 / s.
- a_ij_1
float Einstein coefficient of line 1 in unit of 1 / s.
- a_ij_2
float Einstein coefficient of line 2 in unit of 1 / s.
- lambda_0
- lines.balmer_halpha_properties()[source]
Returns the central wavelengths in air, shell number and the Einstein coefficient of the Balmer lines. The values were taken from the NIST database: https://www.nist.gov/pml/atomic-spectra-database
- Returns:
- lambda_alpha
float Central wavelength in air of the H-alpha line in unit of m.
- n_alpha
integer Shell number creating the H-alpha line (unitless).
- f_alpha
float Oscillator strength (unitless).
- g_alpha
float log10(g2f2n_alpha) taking into account the oscillator strength (f2n) and the statistical weight (g2) of the H-alpha line (unitless).
- a_alpha
float Einstein coefficient of the H-alpha line in unit of 1 / s.
- lambda_alpha
- lines.balmer_hbeta_properties()[source]
Returns the central wavelengths in air, shell number and the Einstein coefficient of the Balmer lines. The values were taken from the NIST database: https://www.nist.gov/pml/atomic-spectra-database
- Returns:
- lambda_beta
float Central wavelength in air of the H-beta line in unit of m.
- n_beta
integer Shell number creating the H-beta line (unitless).
- f_beta
float Oscillator strength (unitless).
- g_beta
float log10(g2f2n_alpha) taking into account the oscillator strength (f2n) and the statistical weight (g2) of the H-beta line (unitless).
- a_beta
float Einstein coefficient of the H-beta line in unit of 1 / s.
- lambda_beta
- lines.balmer_hgamma_properties()[source]
Returns the central wavelengths in air, shell number and the Einstein coefficient of the Balmer lines. The values were taken from the NIST database: https://www.nist.gov/pml/atomic-spectra-database
- Returns:
- lambda_gamma
float Central wavelength in air of the H-gamma line in unit of m.
- n_gamma
integer Shell number creating the H-gamma line (unitless).
- f_gamma
float Oscillator strength (unitless).
- g_gamma
float log10(g2f2n_alpha) taking into account the oscillator strength (f2n) and the statistical weight (g2) of the H-gamma line (unitless).
- a_gamma
float Einstein coefficient of the H-gamma line in unit of 1 / s.
- lambda_gamma