This page shows recent total solar irradiance activity as measured by the TIM instrument onboard the TCTE spacecraft. The plots shown here are updated automatically on a daily basis, shortly after data are produced by the TCTE data processing system. To access the total solar irradiance data, please visit the TCTE TSI web page. Additional TSI plots and comparisons to other TSI instruments are available via Greg Kopp’s TSI page.
24 Hour Averaged Data
Full TCTE Mission
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Most Recent 3 Months
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6 Hourly Averaged Data
Full TCTE Mission
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Most Recent 3 Months
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