MEASUREMENTS AND MODELING OF TOTAL SOLAR IRRADIANCE IN X-CLASS SOLAR FLARES
The Total Irradiance Monitor (TIM) from NASA's SOlar Radiation and Climate Experiment can detect changes in the total solar irradiance (TSI) to a precision of 2 ppm, allowing observations of variations due to the largest X-class solar flares for the first time. Presented here is a robust algori...
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| Veröffentlicht in: | The Astrophysical journal 2014-05, Vol.787 (1), p.1-6 |
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| creator | Moore, Christopher Samuel Chamberlin, Phillip Clyde Hock, Rachel |
| description | The Total Irradiance Monitor (TIM) from NASA's SOlar Radiation and Climate Experiment can detect changes in the total solar irradiance (TSI) to a precision of 2 ppm, allowing observations of variations due to the largest X-class solar flares for the first time. Presented here is a robust algorithm for determining the radiative output in the TIM TSI measurements, in both the impulsive and gradual phases, for the four solar flares presented in Woods et al, as well as an additional flare measured on 2006 December 6. The radiative outputs for both phases of these five flares are then compared to the vacuum ultraviolet (VUV) irradiance output from the Flare Irradiance Spectral Model (FISM) in order to derive an empirical relationship between the FISM VUV model and the TIM TSI data output to estimate the TSI radiative output for eight other X-class flares. This model provides the basis for the bolometric energy estimates for the solar flares analyzed in the Emslie et al. study. |
| doi_str_mv | 10.1088/0004-637X/787/1/32 |
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| subjects | ACCURACY ALGORITHMS ASTROPHYSICS, COSMOLOGY AND ASTRONOMY BOLOMETERS CHROMOSPHERE COMPARATIVE EVALUATIONS Estimates FAR ULTRAVIOLET RADIATION Flares Irradiance Monitors NASA Phases PHOTOSPHERE RADIANT FLUX DENSITY SIMULATION SOLAR FLARES SOLAR RADIATION Spectra SUN |
| title | MEASUREMENTS AND MODELING OF TOTAL SOLAR IRRADIANCE IN X-CLASS SOLAR FLARES |
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