Estimate the thermally Doppler-broadened line widths for the hydrogen Lya, C III, O VI, and Mg X lines are given below; use the temperatures provided. Take the masses of H, C, o, and Mg to be 1 u, 12 u, 16 u, and 24 u, respectively. The 121.6-nm Lyman-alpha (Lya) emission line of hydrogen (n=2 → n=1) is produced at the top of the chromosphere at 20,000 K, the ClII 97.7-nm line originates at a level where the temperature is 90,000 K, the 103.2-nm line of O VI occurs at 300,000 K, and Mg X creates a 62.5-nm line at 1.4 x 106 K.
Estimate the thermally Doppler-broadened line widths for the hydrogen Lya, C III, O VI, and Mg X lines are given below; use the temperatures provided. Take the masses of H, C, o, and Mg to be 1 u, 12 u, 16 u, and 24 u, respectively. The 121.6-nm Lyman-alpha (Lya) emission line of hydrogen (n=2 → n=1) is produced at the top of the chromosphere at 20,000 K, the ClII 97.7-nm line originates at a level where the temperature is 90,000 K, the 103.2-nm line of O VI occurs at 300,000 K, and Mg X creates a 62.5-nm line at 1.4 x 106 K.
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Transcribed Image Text:Estimate the thermally Doppler-broadened line widths for the hydrogen
Lya, C III, O VI, and Mg X lines are given below; use the temperatures
provided. Take the masses of H, c, O, and Mg to be 1 u, 12 u, 16 u, and 24 u,
respectively.
The 121.6-nm Lyman-alpha (Lya) emission line of hydrogen (n=2 →n =1) is
produced at the top of the chromosphere at 20,000 K, the ClII 97.7-nm line
originates at a level where the temperature is 90,000 K, the 103.2-nm line of
O VI occurs at 300,000 K, and Mg X creates a 62.5-nm line at 1.4 x 106 K.
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