W Virginis is the prototype W Virginis variable, a subclass of the Cepheid variable stars. It is located in the constellation Virgo, and varies between...

W Virginis variables are a subclass of Type II Cepheids which exhibit pulsation periods between 10–20 days, and are of spectral class F6 – K2. They were...

also receive a supergiant luminosity class, most notably W Virginis variables such as W Virginis itself, stars that are executing a blue loop triggered...

between 1 and 4 days are of the BL Her subclass, 10–20 days belong to the W Virginis subclass, and stars with periods greater than 20 days belong to the RV...

stars in the night sky. It has the Bayer designation α Virginis, which is Latinised to Alpha Virginis and abbreviated Alpha Vir or α Vir. Analysis of its...

to the near absence of repetitiveness in the irregular variables. The W Virginis variables are at the interface; the short period ones are regular and...

61 Virginis (abbreviated 61 Vir) is the Flamsteed designation of a G-type main-sequence star (G7V) slightly less massive than the Sun (which has a hotter...

light-years across. A total of 70 variable stars are known in M14, many of the W Virginis variety common in globular clusters. In 1938, a nova appeared, although...

Ellipsoidal Eclipsing binaries Algol Beta Lyrae W Ursae Majoris Variables – Intrinsic Pulsating Cepheids W Virginis Delta Scuti RR Lyrae Mira Semiregular Irregular...

yellow supergiants vary greatly, from less than the sun for stars such as W Virginis to 20 M☉ or more (e.g. V810 Centauri). Corresponding surface gravities...

galaxies NGC 5128 and NGC 4258. Historically Type II Cepheids were called W Virginis variables, but are now divided into three subclasses based on the length...

object) Cepheid W Virginis, a class of Cepheids named after W Virginis, the archetype for the class CWA – (celestial object) Cepheid W Virginis A, a subclass...

Pav) is a variable star in the constellation Pavo. It is the brightest W Virginis variable in the sky. In 1901, κ Pavonis was reported to be a variable...

Cepheids, BL Herculis variables have shorter periods and are fainter than W Virginis variables. Pulsating stars vary in spectral class as they vary in brightness...

at California Institute of Technology in 1952 for his thesis work on W Virginis. He then spent a year at Lick Observatory. From 1953 to 1959 he was assistant...

Gamma Virginis (γ Virginis, abbreviated Gamma Vir, γ Vir), officially named Porrima /ˈpɒrɪmə/, is a binary star system in the constellation of Virgo. It...

John Goodricke a few months later. Type II Cepheids (historically termed W Virginis stars) have extremely regular light pulsations and a luminosity relation...

32 Virginis, also known as FM Virginis, is a star located about 250 light years from the Earth, in the constellation Virgo. Its apparent magnitude ranges...

stars with periods less than a day and amplitudes of a magnitude of less; W Virginis variables, more-luminous pulsating variables also known as type II Cepheids...

Delta Virginis (δ Virginis, abbreviated Del Vir, δ Vir), formally named Minelauva /ˌmɪnəˈlɔːvə/, is a star in the zodiac constellation of Virgo. With an...

given names are ζ Virginis (Heze), η Virginis (Zaniah), ι Virginis (Syrma), κ Virginis (Kang), λ Virginis (Khambalia) and φ Virginis (Elgafar). The 7 main...

Epsilon Virginis (ε Virginis, abbreviated Epsilon Vir, ε Vir), formally named Vindemiatrix /vɪndiːmiˈeɪtrɪks/, is a star in the zodiac constellation of...

Eta Virginis (η Virginis, abbreviated Eta Vir, η Vir) is a triple star system in the zodiac constellation of Virgo. From parallax measurements, it is about...

AG Virginis is an eclipsing binary star system in the equatorial constellation of Virgo. With a maximum apparent visual magnitude of 8.51 it is too faint...

and lies around 1430 light years distant from Earth. Kappa Pavonis is a W Virginis variable—a subclass of Type II Cepheid. It ranges from magnitude 3.91...

Lyraes are old, relatively low mass, Population II stars, in common with W Virginis and BL Herculis variables, the type II Cepheids. Classical Cepheid variables...

AH Virginis is a contact binary star system in the equatorial constellation of Virgo, abbreviated AH Vir. It is a variable star with a brightness that...

such as W Virginis variables, this formal period is twice the fundamental pulsation period. Therefore, although the approximate division between W Vir variables...

Chi Virginis (χ Vir, χ Virginis) is a double star in the constellation Virgo. Based upon parallax measurements, it is approximately 315 light-years (97...

and R. Paul Butler, 70 Virginis was one of the first stars confirmed to have planets orbiting it. When first announced, 70 Virginis b was considered to be...