Epsilon Delphini is a blue-white giant star

Star

A star is a massive, luminous sphere of plasma held together by gravity. At the end of its lifetime, a star can also contain a proportion of degenerate matter. The nearest star to Earth is the Sun, which is the source of most of the energy on Earth...

 approximately 358 light-year

Light-year

A light-year, also light year or lightyear is a unit of length, equal to just under 10 trillion kilometres...

s away in the constellation

Constellation

In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....

 Delphinus

Delphinus

Delphinus is a constellation in the northern sky, close to the celestial equator. Its name is Latin for dolphin. Delphinus was one of the 48 constellations listed by the 2nd century astronomer Ptolemy, and it remains among the 88 modern constellations recognized by the International Astronomical...

. It has the traditional name Deneb Dulfim (occasianally Deneb or Al Dhanab al Dulfim), from the Arabic ذنب الدلفين ðanab ad-dulfīn "tail of the dolphin."

The term ðanab ad-dulfīn or Dzaneb al Delphin was appeared in the catalogue of stars in the Calendarium of Al Achsasi Al Mouakket, which was translated into Latin

Latin

Latin is an Italic language originally spoken in Latium and Ancient Rome. It, along with most European languages, is a descendant of the ancient Proto-Indo-European language. Although it is considered a dead language, a number of scholars and members of the Christian clergy speak it fluently, and...

 as Cauda Delphini, meaning the dolphin's tail.

In Chinese

Chinese language

The Chinese language is a language or language family consisting of varieties which are mutually intelligible to varying degrees. Originally the indigenous languages spoken by the Han Chinese in China, it forms one of the branches of Sino-Tibetan family of languages...

, , meaning Rotten Gourd

Girl (Chinese constellation)

The Girl mansion is one of the Twenty-eight mansions of the Chinese constellations. It is one of the northern mansions of the Black Tortoise.- Asterisms :...

, refers to an asterism consisting of ε Delphini, η Delphini, θ Delphini, ι Delphini and κ Delphini. Consequently, ε Delphini itself is known as . From this Chinese name, the name Pae Chaou was appeared

The star is slightly variable, occasionally brightening to magnitude 3.95.