data:data_analysis_manual
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data:data_analysis_manual [2024/01/10 18:14] eric buchlin Update a DPDD link to latest version |
data:data_analysis_manual [2024/01/17 16:26] Peter Young [Units and uncertainties] |
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| ==== Units and uncertainties ==== | ==== Units and uncertainties ==== | ||
| - | The data cube (returned by the SSW object method ''get\_window\_data'' or by the Python ''astropy'' or ''sunraster'' libraries) of the SPICE level-2 files contains spectral radiances in units of W/m²/s/sr/nm. The wavelength vector has units of nm. To convert a radiance in W/m²/s/sr to erg/cm²/s/sr, it is necessary to multiply by 1000. | + | The data cube (returned by the SSW object method ''get\_window\_data'' or by the Python ''astropy'' or ''sunraster'' libraries) of the SPICE level-2 files contains spectral radiances in units of W/m²/sr/nm. The wavelength vector has units of nm. To convert a radiance in W/m²/sr to erg/cm²/s/sr, it is necessary to multiply by 1000. |
| Uncertainties on the spectral radiances can be obtained with: | Uncertainties on the spectral radiances can be obtained with: | ||
data/data_analysis_manual.txt · Last modified: 2024/03/29 14:21 by eric buchlin
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