A-type supergiants

Deneb () is a blue supergiant star in the constellation of Cygnus. It is the brightest star in the constellation and the 19th brightest in the night sky, with an apparent magnitude slightly varying between +1.21 and +1.29. Deneb is one of the vertices of the asterism known as the Summer Triangle and the "head" of the Northern Cross. Its Bayer designation is α Cygni, which is Latinised to Alpha Cygni, abbreviated to Alpha Cyg or α Cyg.

type of star

variable star in the southern circumpolar constellation of Carina

binary star system in the constellation Leo

Binary star system, first known microquasar

Binary star in the constellation Carina

star

star in the constellation Cepheus

star in the constellation Vela

star in the constellation Camelopardalis

star in the constellation Monoceros

star in the constellation Carina

binary star in the constellation Circinus

star in the constellation Scorpius

star

star in the constellation Centaurus

binary star system

star in the constellation Lacerta

star in the constellation Perseus