Talk:Sigma Coronae Borealis
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 | A fact from Sigma Coronae Borealis appeared on Wikipedia's Main Page in the Did you know column on 4 December 2014 (check views). The text of the entry was as follows:
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Where did the superscript designations originate?
σ1 and σ2 obviously didn't come from Bayer or Lacaille. I can't find any reference to them before about 1975, and even that might be a transcription mistake. They showed up in the 1980's and soon became quite widely used (at least for σ2) but I can't find any paper that says "hey, let's use 1 and 2 instead of A and B ...". Lithopsian (talk) 15:58, 23 April 2017 (UTC)