sidc_f107_forecaivo://ksb-orb.dc/sidc_f107_forecast/q/epn_coreSIDC: Solar Influences Data analysis CenterRoyal Observatory of Belgium2026-10-23T13:50:11Zsidc support

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sidc-support@oma.bethe-sunsolar-physicssolar-system-astronomyForecast target days and F10.7 values for each SIDC issue.https://vo-tap.oma.be/tableinfo/sidc_f107_forecast.epn_coreGeneralUniversityResearchIsServedByROB Virtual Observatory Data Center TAP servicesidc_f107_forecast Historical daily forecasts of the 10.7 cm solar radio flux (F10.7). Each row records the forecast target day, its effective issue time, the nominal lead time, and the predicted flux (sfu). Forecasts for the same target day from different forecast issues remain distinct.sidc_f107_forecast.epn_coreForecast target days and F10.7 values for each SIDC issue.granule_uidStable identifier based on source forecast ID and target date.meta.id;meta.maincharindexedprimaryforecast_dateTarget calendar day at 00:00 UTC, expressed as Julian Date (JD).dtime.epochdoubleindexedstart_timeStart time of the interval for the F10.7 flux forecast, expressed as Julian Date (JD); source times assumed UTC.dtime.startdoubleend_timeEnd time of the interval for F10.7 flux forecast, expressed as Julian Date (JD); source times assumed UTC. Nominally +24h after start_time.dtime.enddoubleissue_timeEffective issue timestamp in JD: ursigram date_of_issue or forecast_date plus 750 minutes if absent.dtime.epochdoubleindexedf107_fluxPredicted F10.7 flux in solar flux units (1 sfu = 10**-22 W m**-2 Hz**-1).'sfu'phot.flux.density;em.radiodouble