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{{Expand German|date=June 2011|Sidus Ludoviciana}}
{{Expand German|date=June 2011|Sidus Ludoviciana}}
'''Sidus Ludoviciana''' is a 8th-magnitude star in the [[Asterism_(astronomy)|asterism]] of the [[Big Dipper]] in the constellation [[Ursa Major]], halfway between [[Mizar and Alcor|Mizar]] and [[Mizar and Alcor|Alcor]]. It was discovered on 2 December 1722 by [[Johann Georg Liebknecht]], who mistook it for a planet and named it after [[Louis V, Landgrave of Hesse-Darmstadt]]. An line-of-sight companion with Mizar and Alcor (with a spectral type similar to the latter), it is roughly five times more distant.<ref>http://www.leosondra.cz/en/mizar/</ref>
'''Sidus Ludoviciana''' is an 8th-magnitude star in the [[Asterism_(astronomy)|asterism]] of the [[Big Dipper]] in the constellation [[Ursa Major]], halfway between [[Mizar and Alcor|Mizar]] and [[Mizar and Alcor|Alcor]]. It was discovered on 2 December 1722 by [[Johann Georg Liebknecht]], who mistook it for a planet and named it after [[Louis V, Landgrave of Hesse-Darmstadt]]. A line-of-sight companion with Mizar and Alcor (with a spectral type similar to the latter), it is roughly five times more distant.<ref>http://www.leosondra.cz/en/mizar/</ref>


== References ==
== References ==

Revision as of 05:22, 28 December 2014

Sidus Ludoviciana is an 8th-magnitude star in the asterism of the Big Dipper in the constellation Ursa Major, halfway between Mizar and Alcor. It was discovered on 2 December 1722 by Johann Georg Liebknecht, who mistook it for a planet and named it after Louis V, Landgrave of Hesse-Darmstadt. A line-of-sight companion with Mizar and Alcor (with a spectral type similar to the latter), it is roughly five times more distant.[1]

References