Meissa

Meissa, also known as Lambda Orionis, is a star located in the constellation of Orion. It is a multiple star system located about 1,300 light years away from Ea…

Meissa

Meissa, also known as Lambda Orionis, is a star located in the constellation of Orion. It is a multiple star system located about 1,300 light years away from Earth. The star system has an total apparent magnitude of 3.33.[1]

Meissa is the star being pointed at by the arrow.

The main stars in this system are a giant star of spectral type O9 and a B-class main sequence star. The stars are separated by 4 arcseconds (4"). Even though Meissa is more luminous than Rigel and only being a little further away, it appears 3 magnitudes dimmer at visual wavelengths. Much of the radiation emitted by the star is in the ultraviolet because of its high temperature.

References

  1. ↑ Ducati, J. R. (2002). "VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system". CDS/ADC Collection of Electronic Catalogues. 2237. Bibcode:2002yCat.2237....0D.


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