Cosmogenic 44Ti in meteorites – a divergence with 14C and 10Be data

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M. G. Ogurtsov Advances in Space ResearchAvailable online: 20 April 2021 LINK “A record of 44Ti activity measured in 20 stony meteorites fallen during AD 1766-2001 was compared to six series of 44Ti activity, calculated…

Rapid increase in cosmogenic 14C in AD 775 measured in New Zealand kauri trees indicates short-lived increase in 14C production spanning both hemispheres

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D. Güttler, F. Adolphi, J. Beer, N. Bleicher, G. Boswijk, M. Christl, A. Hogg, J. Palmer, C. Vockenhuber, L. Wacker, J. Wunder Earth and Planetary Science Letters Volume 411, 1 February 2015, Pages 290–297 LINK

The Chinese comet observation in AD 773 January

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Jesse Chapman, Mark Csikszentmihalyi (U Berkeley), Ralph Neuhaeuser (U Jena) LINK PDF LINK

A transient event in AD 775 reported by al-Tabari: A bolide – not a nova, supernova, or kilonova

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Ralph Neuhaeuser (U Jena), Paul Kunitzsch (LMU Munich) LINK PDF LINK

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