In which constellation is the star Deneb?
Deneb Deneb Deneb (), also designated α Cygni (Latinised alpha Cygni, abbreviated Alpha Cyg, α Cyg), is the brightest star in the constellation of Cygnus, the swan. It is one of the vertices of the asterism known as the Summer Triangle and forms the 'head' of the Northern Cross. It is the 19th brightest star in the night sky, with an apparent magnitude of 1.25. A blue-white supergiant, Deneb is also one of the most luminous stars. However, its exact distance (and hence luminosity) has been difficult to calculate; it is estimated to be somewhere between 55,000 and 196,000 times as
Deneb notably Deneb Kaitos, the brightest star in the constellation of Cetus; Deneb Algedi, the brightest star in Capricornus; and Denebola, the second brightest star in Leo. All these stars are referring to the tail of the animals that their respective constellations represent. "Denebadigege" was used in the "Alfonsine Tables", other variants include "Deneb Adige", "Denebedigege" and "Arided". This latter name was derived from "Al Ridhādh", a name for the constellation. Johann Bayer called it "Arrioph", derived from "Aridf" and "Al Ridf", 'the hindmost' or "Gallina". German poet and author Philippus Caesius termed it "Os rosae", or "Rosemund" in German, or