Talk:Castor (star)

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[edit] Distance from Earth?

How far is Castor from Earth? - --Brasswatchman 23:56, July 31, 2005 (UTC)

51.5 ly distant according to Hipparcos.--Jyril 00:01, August 1, 2005 (UTC)
Great. Thanks. --Brasswatchman 05:41, August 2, 2005 (UTC)


I changed the spectral type of Castor Ab to unknown as it is not officially known to be M5 V. http://www.solstation.com/stars2/castor6.htm April 24, 2006.

[edit] Naming

Why is this star listed under its common name but Alpheratz is listed under Alpha Andromedae? AndrewRT - Talk 22:49, 20 August 2006 (UTC)

[edit] Error in separation of components

The A and B components of Castor are separated by 2" as of 2006, not 6".

[edit] computer sim

hey can we get a computer simulation of these stars moving around? BlazeofGlory 00:33, 10 September 2007 (UTC)

[edit] It blinked

I was in the Seatle area (3/1/2008 11 PM) looking at this star with the naked eye when it blinked. Is this a glitch in the "matrix" or did I witness a common occurance in this multiple star system? Nagnirc (talk) 18:40, 8 March 2008 (UTC)

A balloon?