P Cygni (34 Cygni) is a variable star in the constellation Cygnus. The designation "P" was originally assigned by Johann Bayer in Uranometria as a nova...
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Luminous blue variable (redirect from P Cygni variable)
Large Magellanic Cloud. They are considered to be rare. The LBV stars P Cygni and η Carinae have been known as unusual variables since the 17th century...
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Uranometria, Alpha, Beta and Gamma Cygni form the pole of a cross, while Delta and Epsilon form the cross beam. The nova P Cygni was then considered to be the...
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and consists of the brightest stars in Cygnus: Deneb, Sadr, Gienah, Delta Cygni and Albireo. The 'head' of the cross, Deneb, is also part of the Summer...
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61 Cygni /ˈsɪɡni/ is a binary star system in the constellation Cygnus, consisting of a pair of K-type dwarf stars that orbit each other in a period of...
50 KB (5,255 words) - 16:22, 18 February 2024
spectra. He showed that the broad emission lines seen in Wolf-Rayet and P Cygni-type stars were due to strong stellar winds. Beals was the first astronomer...
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consisting of Epsilon Cygni, Gamma Cygni, Delta Cygni, 30 Cygni, Alpha Cygni, Nu Cygni, Tau Cygni, Upsilon Cygni and Zeta Cygni. Consequently, the Chinese...
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Wolf–Rayet emission lines frequently have a broadened absorption wing (P Cygni profile) suggesting circumstellar material. A WO sequence has also been...
96 KB (10,597 words) - 18:35, 10 June 2024
Weigelt Blobs. Most lines show a P Cygni profile but with the absorption wing much weaker than the emission. The broad P Cygni lines are typical of strong...
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Deneb (redirect from Alpha Cygni)
Bayer designation is α Cygni, which is Latinised to Alpha Cygni, abbreviated to Alpha Cyg or α Cyg. α Cygni (Latinised to Alpha Cygni) is the star's designation...
28 KB (2,920 words) - 04:11, 24 May 2024