Classical Cepheids are a type of Cepheid variable star. They are young, population I variable stars that exhibit regular radial pulsations with periods...

of the class of classical Cepheid variables. The eponymous star for classical Cepheids, Delta Cephei, was discovered to be variable by John Goodricke...

pulsating variable stars with their pulsation period. The best-known relation is the direct proportionality law holding for Classical Cepheid variables, sometimes...

Population I classical Cepheid variable, although it was once thought to be a type II Cepheid due to its high galactic latitude. Cepheids constitute an...

of the class of Cepheid variables. However, the namesake for classical Cepheids is the star Delta Cephei, discovered to be variable by John Goodricke...

— in its south, on the left 'leg' of the twin Pollux. It is a classical Cepheid variable star, of which over 800 have been found in our galaxy. As such...

including W Virginis variables, BL Herculis variables and RV Tauri variables. The Classical Cepheids are more luminous than the type II Cepheids with the same...

have supergiant luminosity classes, for example α Herculis. Classical Cepheid variables typically have supergiant luminosity classes, although only the...

and BL Herculis variables, the type II Cepheids. Classical Cepheid variables are higher mass population I stars. RR Lyrae variables are much more common...

Scuti variable (sometimes termed dwarf cepheid when the V-band amplitude is larger than 0.3 mag.) is a subclass of young pulsating star. These variables as...

Pup) is a Cepheid variable star around 6,000 ly away in the constellation of Puppis. It is one of the biggest and brightest known Cepheids in the Milky...

Type II Cepheids are variable stars which pulsate with periods typically between 1 and 50 days. They are population II stars: old, typically metal-poor...

the prototype of the Cepheid variable stars that undergo periodic changes in luminosity. Delta Cephei was discovered to be variable by John Goodricke during...

300 and NGC 7793 in the Sculptor Group. The dynamical mass of a classical Cepheid variable star in an eclipsing binary system RR-Lyrae-type pulsations from...

Milky Way. He used the strong direct relationship between a classical Cepheid variable's luminosity and pulsation period (discovered in 1908 by Henrietta...

FF Aquilae is a classical Cepheid variable star located in the constellation Aquila. It ranges from apparent magnitude 5.18 to 5.51 over a period of 4...

V Centauri (V Cen) is a Classical Cepheid variable, a type of variable star, in the constellation Centaurus. It is approximately 2,350 light-years (720...

of classical Cepheid variable stars. The following relation can be used to calculate the distance to Galactic and extragalactic classical Cepheids:  ...

supergiant variable star in the constellation Auriga, about 1,500 light years from Earth. RT Aurigae is an F to G type Classical Cepheid variable which varies...

Y Carinae (Y Car) is a Classical Cepheid variable, a type of variable star, in the constellation Carina. Its apparent magnitude varies from 7.53 to 8.48...

years, so η Aql would appear to be a triple system. η Aquilae A is a Cepheid variable star, discovered by Edward Pigott in 1784. It has an apparent magnitude...

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...

naked eye of an observer located far from city lights. It is a classical Cepheid variable star, ranging in brightness from magnitude 5.77 to 5.96 over a...

X Crucis is a classical Cepheid variable star in the southern constellation of Crux. X Crucis is a pulsating variable star with am extremely regular amplitude...

eclipsing binary and Cepheid variable star, pulsating every 3.8 days. The star, in the Large Magellanic Cloud, was the first Cepheid star system found to...

F6Ib-II and G1Ib-II. S Crucis is a pulsating variable star of the δ Cephei type, a Classical Cepheid variable. Its mean radius is 37.9 R☉ and that radius...

(June 2008). "The Luminosities and Distance Scales of Type II Cepheid and RR Lyrae variables". Monthly Notices of the Royal Astronomical Society. 386 (4):...

a Classical Cepheid variable, a type of variable star, in the constellation Carina. Its apparent magnitude is 6.86. U Car is a δ Cepheid variable with...

Classical Cepheid variable ranging between magnitude 8.88 and 9.82 over 5.9 days. U Antliae is a red C-type carbon star and is an irregular variable that...

have been found to have planets. The constellation also contains two cepheid variables visible to the naked eye. Theta Muscae is a triple star system, the...