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[vsnet-chat 6505] (fwd) Nomenclature of variable stars



Date: Mon, 2 Jun 2003 09:31:29 +0400 (MSD)
From: "Nikolai N. Samus" <samus@lnfm1.sai.msu.ru>
Subject: Re: [vsnet-gcvs 450] Nomenclature of variable stars

The answer is simple. For reasons of tradition, stars with Bayer (greek) 
designations, as a rule, retain names like Alpha Cygni or Eta Carinae. 
This rule appeared during the German period of variable star catalogs and 
was never changed, with the exception that confusion should be avoided at 
any price. When naming omicron1 Cygni, someone noticed that their exist 
known atlases (if needed, I can provide at least one reference) where 
omicron1 is called omicron2 and vice versa. From today's point of view, I 
cannot say if the decision was correct, but it had its reasons. And this 
is not the ONLY case, though, of course, it is an exception.

N. Samus

On Sat, 31 May 2003, Sebastian Otero wrote:

> Speaking of nomenclature rules .....
> Why didn't omicron 1 and 2 Cygni retain their Bayer-letter names and were named V695 and V1488 Cygni????
> Why these appear to be a couple of only a few examples.??? Eta Car is still eta Car and not V2000 Carinae ;-))))
> 
> Sebastian


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