Reply To: Betelgeuse

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Alex Pratt

A paper on ‘Single-photon gig in Betelgeuse’s occultation’ is available on ArXiv

(Thanks to Oliver Klös IOTA/ES for bringing this to our attention)

The authors describe recording the 2023 Dec 12 Leona-Betelgeuse occultation using a Single-Photon Avalanche Diode (SPAD) array, and they give their measures of the light drop and Betelgeuse’s angular diameter in the SDSS g-band.

(We await the paper(s) from the Leona-Betelgeuse pro-am campaign).