description Segin Overview
Segin, formally Epsilon Cassiopeiae, is a blue-white B-type star in the northern constellation Cassiopeia. It is one of the stars that outline Cassiopeia's familiar W-shaped asterism and marks its eastern end in common sky descriptions. Parallax measurements place it roughly 460 light-years from the Sun, although catalogued values vary with the dataset and method used. Its apparent brightness makes it observable without a telescope from suitable dark locations.
help Segin FAQ
What is Segin's formal astronomical name?
Segin is the common name for Epsilon Cassiopeiae. It is one of the stars forming the familiar W-shaped outline of the constellation Cassiopeia.
Where is Segin located in Cassiopeia?
Segin is commonly described as marking the eastern end of Cassiopeia's W-shaped asterism. It is a northern-sky star and can be found by following the recognizable outline of Cassiopeia.
What kind of star is Segin?
Segin is a blue-white B-type star. Its spectral type indicates a hot, luminous star that appears much bluer-white than a cooler star like the Sun.
How far away is Segin?
Parallax measurements place Segin roughly 460 light-years from the Sun. The exact distance can vary slightly between catalogs because it depends on the adopted astrometric measurement.
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