48 Persei [SEP] constellation
48 Persei
48 Persei (also known as c Persei, 48 Per, HR 1273, HIP 19343, or ) is a Be star in the constellation Perseus, approximately the 500th brightest of the visible stars in apparent magnitude. It is "well known for its complex spectrum and for its light and velocity variations". The name "48 Persei" is a Flamsteed designation given to it by John Flamsteed in his catalogue, published in 1712.
As a Be star, it is hot and blue, spinning so
, who called it "Divels head" or "Rosch hassatan". A Latin name for Algol from the 16th century was "Caput Larvae" or "the Spectre's Head". Hipparchus and Pliny made this a separate, though connected, constellation.
In Chinese, (), meaning "Mausoleum", refers to an asterism consisting of β Persei, 9 Persei, τ Persei, ι Persei, κ Persei, ρ Persei, 16 Persei and 12 Persei. Consequently, the Chinese name for β Persei itself