Category
page 1O-type giants
blue giant
stars of early spectral type
Iota Orionis
star in the constellation Orion

Meissa
Meissa , designated Lambda Orionis (λ Orionis, abbreviated Lambda Ori, λ Ori) is a star in the constellation of Orion. It is a multiple star approximately away with a combined apparent magnitude of 3.33. The main components are an O9 giant star and a B-class main sequence star, separated by about 4″. Despite Meissa being more luminous and only slightly further away than Rigel, it appears 3 magnitudes dimmer at visual wavelengths, with much of its radiation emitted in the ultraviolet due to its high temperature.
Gamma Velorum
star system in the constellation Vela
Q1031936
star in the constellation Dorado
Xi Persei
star in the constellation Perseus
Pismis 24-1
star
Centaurus X-3
binary star with an X-ray pulsar in the constellation Centaurus
Plaskett's star
star in the constellation Monoceros
Delta Circini
star in the constellation Circinus
M33 X-7
Binary black hole-star systems in the constellation Taurus
X Persei
binary star system in the constellation Perseus
WR 22
Star
Theta Muscae
variable star in the constellation Musca
Q6869466
star in the constellation Cygnus
Q4835751
star in the constellation Dorado
Q5097430
star in the constellation Carina
68 Cygni
star in the constellation Cygnus
16 Sagittarii
star in the constellation Sagittarius
LY Aurigae
binary star in the constellation Auriga