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