Delta Cephei (δ Cep, δ Cephei) is a quadruple star system located approximately 887 light-years away in the northern constellation of Cepheus, the King...

Alpha Cephei, with an apparent magnitude of 2.5. Delta Cephei is the prototype of an important class of star known as a Cepheid variable. RW Cephei, an...

Cepheids such as RS Puppis and Polaris. The term Cepheid originates from Delta Cephei in the constellation Cepheus, identified by John Goodricke in 1784. It...

rapid rise to maximum light followed by a slower fall to minimum (e.g. Delta Cephei). This is due to the phase difference between the radius and temperature...

Aquilae, and a few months later by John Goodricke with the variability of Delta Cephei, the eponymous star for classical Cepheids. Most of the Cepheids were...

1786, ten variable stars were known. John Goodricke himself discovered Delta Cephei and Beta Lyrae. Since 1850, the number of known variable stars has increased...

estimated mass of 1,937 M☉, of which about 24% is interstellar matter. A Delta Cephei type variable star designated U Sagittarii is a member of this cluster...

with Cepheid variables, which are named after Delta Cephei and are luminous supergiant stars. Beta Cephei variables are somewhat evolved stars of masses...

asterism consisting of α Cephei, 4 Cephei, HD 194298, Eta Cephei, Theta Cephei, Xi Cephei, 26 Cephei, Iota Cephei and Omicron Cephei. Consequently, the Chinese...

Serpentis Binary star system 3.53 Delta Geminorum Triple star system 3.54 Iota Cephei Star 3.54 Xi Hydrae Star 3.54 Delta Eridani Star Suspected variable...

Airport, IATA code KUI, on Kawau Island KUI 91AB, a variable star of Delta Cephei type KUI 93AB, an eclipsing binary of Algol variable type Kui (Chinese...

Hubble Space Telescope: A Parallax of the Fundamental Distance Calibrator delta Cephei". The Astronomical Journal. 124 (3): 1695–1705. arXiv:astro-ph/0206214...

Viking. p. 113. ISBN 9780698148697. Malatesta, Kerri (April 13, 2010). "Delta Cephei". American Association of Variable Star Observers. Retrieved January...

Delta Cephei (itself the prototype) and Polaris are Cepheid variables and yellow supergiants. Antares and VV Cephei A are red supergiants. μ Cephei is...

variable", later called a Cepheid variable after the prototype star Delta Cephei, showed a definite relationship between the variability period and the...

Alasad Alpha Leonis Algomisa Procyon Alhabor Sirius Alghul Beta Persei Alnath Beta Tauri Markab Alpha Pegasi Alradif Delta Cephei Alnasir Alpha Andromedae...

Leporis, Alpha Persei, Delta Canis Majoris and Iota¹ Scorpii. Many of them are variable stars, mostly pulsating Cepheids such as δ Cephei itself. Yellow supergiants...

Sirius Mira, a variable consisting of a red giant and a white dwarf Delta Cephei, a Cepheid variable Almaaz, an eclipsing binary Spica Alpha Centauri...

Observers. Retrieved 21 December 2013. "R Muscae – Classical Cepheid (delta Cephei type)". SIMBAD Astronomical Database. Centre de Données astronomiques...

Astrophysical Observatory DCEP – (celestial object) Delta CEPhei, a class of Cepheids named after Delta Cephei, the archetype for the class DDEB – (celestial...

Cephei ("Errai") by 3000 AD, with Errai reaching its closest alignment with the northern celestial pole around 4200 AD. Iota Cephei and Beta Cephei will...

Cepheus, positioned about two degrees to the east of the star system Delta Cephei. With an apparent visual magnitude of 8.61, it is too faint to be visible...

in the northern constellation of Cygnus, abbreviated X Cyg. This is a Delta Cephei variable that ranges in brightness from an apparent visual magnitude...

October 19 – John Goodricke begins his observations of the variable star Delta Cephei from York. Publication of the Annals of Agriculture edited by Arthur...

times the mass of the Sun and is roughly 15 million years old. Delta Lupi is a Beta Cephei variable star that undergoes periodic pulsations. It has a single...

hue. Delta Crucis is a strong candidate Beta Cephei variable. Its rotation is very fast, with a projected rotational velocity of 210 km s−1. Delta Crucis...

that ranges from 3.49 to 4.3 over a period of 7.177 days. Along with Delta Cephei, Zeta Geminorum and Beta Doradus, it is one of the most prominent naked...

their mythical beings. Not far away was the Martian North pole star, Delta Cephei, which is a variable star. Its changing brightness was likened to the...

amplitudes, such as the classical Cepheids, RR Lyrae stars and large-amplitude Delta Scuti stars show regular light curves. This regular behavior is in contrast...

spectroscopic search for nonradial pulsations in the Delta Scuti stars Delta Delphini and Epsilon Cephei", Astronomy and Astrophysics, 269 (1–2): 195–200...