Mu Lyrae (μ Lyr, μ Lyrae) is a star in the constellation Lyra. It has the traditional name Alathfar, from the Arabic الأظفر al-’uz̧fur "the talons (of the swooping eagle)", a name it shares with Eta Lyrae (though the latter is typically spelled Aladfar in English).
Mu Lyrae has apparent magnitude 5.12 and belongs to the spectral class A3IVn.
Coordinates (equinox J2000):
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