Deneb is one of the vertices of the asterism known as the Summer Triangle and the "head" of the Northern Cross. Its Bayer designation is α Cygni, which is Latinised to Alpha Cygni, …

在 拜耳命名法，它的名稱是天鵝座α（α Cygni， 拉丁文 是 Alpha Cygni，縮寫為 Alpha Cyg 或 α Cyg）。 在中國 星官 天津 中排序第4，故得名。 夏季大三角。 天津四是全天空的 第19亮 …

Alpha Cygni variables are variable stars which exhibit non-radial pulsations, meaning that some portions of the stellar surface are contracting at the same time other parts expand.

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在 拜耳命名法 中，它的名称是天鹅座α（α Cygni， 拉丁文 是Alpha Cygni，缩写为Alpha Cyg或α Cyg）。 在中国 星官 天津 中排序第4，故得名。 “天津四”还具有“渡口”的含义，也就是中国古 …

2023年12月25日 · Deneb, Alpha Cygni (α Cyg), is a class A supergiant located at an approximate distance of 2,615 light years from Earth. With an average apparent magnitude of 1.25, it is the …

DENEB (Alpha Cygni). One of the truly great stars of our Galaxy, a class A (A2) supergiant, Deneb serves a three-fold role among the constellations. Its very name tells the first.

2024年10月31日 · Deneb, the prototype alpha Cygni variable, is a blue-white supergiant that shows irregular variability with quasi-period around 12 days in brightness and radial velocity.

2014年6月15日 · Deneb, Alpha Cygni, is the brightest star in Cygnus constellation and the most distant of all first magnitude stars. It is a luminous blue supergiant. It is one of the stars that …

2014年1月24日 · Alpha Cygnii is one of the largest white stars known. As a blue-white supergiant (spectral type A2Ia), Deneb's high mass (20 solar masses) and temperature (8,400° Kelvin) …