On this question of nomenclature, what gives? I thought ALL carbon stars were variable (and had been known to be so from the beginning). Am I wrong, or why the separate designation?
Enlightenment greatly appreciated.
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Originally Posted by ausastronomer
Brendan,
Locally amongst Aussies that star is also known as Ruby Crucis. Its more recent designation is DY Crucis as it is also a variable. EB365 (EB=Espin Birmingham) was its old designation. Unfortunately, being old myself, I will continue to refer to it as EB 365 as thats how I have known it all along.
CS-John B
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