Category
page 1Ap stars

Zeta Ursae Majoris
Mizar is a second-magnitude star in the handle of the Big Dipper asterism in the constellation of Ursa Major. It has the Bayer designation ζ Ursae Majoris (Latinised as Zeta Ursae Majoris). It forms a well-known naked eye double star with the fainter star Alcor (a binary system consisting of Alcor A and Alcor B), and is itself a quadruple star system. The Mizar and Alcor system lies about 83 light-years away from the Sun, as measured by the Hipparcos astrometry satellite, and is part of the Ursa Major Moving Group.

Alioth
Alioth , also called Epsilon Ursae Majoris, is a star in the northern constellation of Ursa Major. The designation is Latinised from ε Ursae Majoris and abbreviated Epsilon UMa or ε UMa. Despite being designated "ε" (epsilon), it is the brightest star in the constellation and at magnitude 1.77 is the thirty-third brightest star in the sky.
Cor Caroli
star in Canes Venatici
Theta Aurigae
binary star in the constellation Auriga
Alpha Sculptoris
star in the southern constellation of Sculptor
Delta Aquarii
star in the constellation Aquarius
Gamma Trianguli Australis
star in the constellation Triangulum Australe
Omega Herculis
variable star
Ap/Bp star
chemically peculiar stars (hence the "p") of types A and B
Beta Hydrae
star
Iota Cassiopeiae
multiple star system in the constellation Cassiopeia
56 Arietis
star in the constellation Aries
21 Comae Berenices
star in the constellation Coma Berenices

13 Andromedae
star in the constellation Andromeda
Kappa Piscium
variable star
Mu Librae
Star in the constellation Libra
GO Andromedae
variable star in the constellation Andromeda
Phi Draconis
star system in the constellation Draco
108 Aquarii
star in the constellation Aquarius

10 Aquilae
star in the constellation Aquila
78 Virginis
star in the constellation Virgo
Eta Lupi
probable triple star system in the constellation of Lupus
Q1748081
binary star in the constellation Andromeda
BP Boötis
star in the constellation Boötes
63 Andromedae
star in the constellation Andromeda
Tau Pegasi
variable star
V761 Centauri
variable star in the constellation Centaurus

21 Canum Venaticorum
star in the constellation Canes Venatici

Xi Phoenicis
variable star in the constellation Phoenix
V1291 Aquilae
star in the constellation Aquila

IQ Aurigae
variable star in the constellation Auriga

VZ Arietis
variable star in the constellation Aries
Theta1 Microscopii
star in the constellation Microscopium

11 Orionis
variable star in the constellation Orion
OU Puppis
star
Sigma1 Cancri
star in the constellation Cancer
Lambda Capricorni
star in the constellation Capricornus
Nu Fornacis
star in the constellation Fornax
49 Cancri
star in the constellation Cancer
Tau1 Aquarii
star in the constellation Aquarius
17 Comae Berenices
star in the constellation Coma Berenices
HR Lupi
star
KQ Velorum
binary star system in the constellation Vela
Tau9 Eridani
star system in the constellation Eridanus
BX Boötis
star in the constellation Boötes
CG Andromedae
variable star in the constellation Andromeda
49 Camelopardalis
star in the constellation Camelopardalis
Upsilon Lupi
star in the constellation Lupus
CU Virginis
star in the constellation Virgo
45 Herculis
star in the constellation Hercules
53 Camelopardalis
star in the constellation Camelopardalis
HR 3831
binary star system in the constelaltion Vela
J Velorum
Star system in the constellation Vela
Omega Ophiuchi
variable star in the constellation Ophiuchus
Q6853424
star
Q5176540
binary star system in the constellation of Orion

14 Comae Berenices
star in the constellation Coma Berenices
36 Aurigae
star in the constellation Auriga

Iota Phoenicis
binary star system in the constellation Phoenix
4 Cygni
star in the constellation Cygnus