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Leicester Database and Archive Service
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Update frequency

ASCA data becomes public just over one year after the observation took place. Once public, the data is then added to the ASCA public archive held at HEASARC. Every six months the UK ASCA archive is updated from HEASARC; all data released to the archive since the previous update, plus any reprocessings, are sent to the LEDAS and added to the UK ASCA archive. Currently these updates occur in about May and November of each year.



 
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