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36 Persei

Bright yellow giant in Perseus

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Proper Name	None
Bayer Designation	None
Flamsteed Number	36 Persei
HR (BSC)	1069
HD	21770
Constellation	Perseus
Right Ascension	3h 32m 26s
Declination	+46° 3' 25"
Distance	121 light years 37 parsecs
Magnitude	Apparent: +5.30 Absolute: +2.50
Spectral Class	F4III bright yellow giant
Optimum Visibility	November / December (Usually visible from northern latitudes)
Notes	36 Persei is an old and solitary star that has consumed its hydrogen reserves and is in the process of expanding into its giant phase. It is currently more than twice the diameter of the Sun, and is projected to expand further as its stellar evolution continues.

36 Persei is somewhat hotter and somewhat larger than Earth's own Sun. It lies more than one hundred and twenty light years distant, in the constellation of Perseus.

Imagery provided by Aladin sky atlas

A view of the volatile star 36 Persei, in the heart of the Milky Way. This illustration shows plumes of plasma being cast off into space by the star - the visible effects of a cyclical change in energy production.

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