Meissa

apparent magnitude

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Meissa (stars.astro.illinois.edu) MEISSA (Lambda Orionis). One of the fainter stars to carry a proper name, Meissa is the Lambda star of Orion.

Meissa (Wikipedia) Meissa /ˈmaɪsə/, designated Lambda Orionis (λ Orionis, abbreviated Lambda Ori, λ Ori) is a star in the constellation of Orion. It is a multiple star approximately 1,300 ly away with a combined apparent magnitude of 3.33. The main components are an O8 giant star and a B-class main sequence star, separated by about 4″. Despite Meissa being more luminous and only slightly further away than Rigel, it appears 3 magnitudes dimmer at visual wavelengths, with much of its radiation emitted in the ultraviolet due to its high temperature.