The latest @AAVSO observations show that #Betelgeuse continues to decrease in luminosity in the visible. But in the #infrared (JH bands) its is constant. It could mean that a lot of dust (transparent in the #infrared) is forming and blocks a big part of the visible star light.
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Of course ... but with the intense interest in this unusual fading - https://twitter.com/stellakafka/status/1214648875044093952 … - I would have assumed / hoped for coordinated campaigns over a wide wavelength range.
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It's difficult to acquire data on
#Betelgeuse as most telescopes/detectors saturate with the shortest exposures. The#AAVSO has multi-colored light curves focused around the dimming; the scatter is due to challenging data. Only a handful of people can observe...#CitizenSciencepic.twitter.com/3WaHTBVUG7
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