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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...

Wolf–Rayet emission lines frequently have a broadened absorption wing (P Cygni profile) suggesting circumstellar material. A WO sequence has also been separated...

one of the brightest stars of the Large Magellanic Cloud. The LBV stars P Cygni and η Carinae have been known as unusual variables since the 17th century...

Draconis K0III – Pollux K0III – Epsilon Cygni K2V – Epsilon Eridani K2III – Kappa Ophiuchi K3III – Rho Boötis K5V – 61 Cygni A K5III – Gamma Draconis Class M...

spectral lines, producing a distinctive spectral shape known as a P Cygni profile. The use of hydrogen emission lines is not helpful for defining the...

an M-type star PDS 70b around a K-type star Orion variable EX Lupi P Cygni profile Appenzeller, I; Mundt, R (1989). "T Tauri stars". The Astronomy and...

a quarter of the time it has a P Cygni profile; most of the rest of the time, the line has an inverse P Cygni profile, where the emission component is...

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...

and 7.07 in 87 days. This star has been found to display an inverse P Cygni profile, where cold infalling gas on to the star creates redshifted hydrogen...

designation HD 37836. In 1957 it was noted that its spectral lines show a P Cygni profile. HD 37836 is an extremely luminous blue supergiant with parameters...

absolute magnitude of -10 and a luminosity of 787,000 L☉. The star has a P Cygni profile. This is commonly thought to be a characteristic of luminous blue variables...

gamma ray repeater) HR 6819 black hole hypothesis PHL 293B ending of P Cygni profile hydrogen emission lines Swift J1818.0–1607 (young magnetar) GW190814...

NML Cygni or V1489 Cygni (abbreviated to NML Cyg or V1489 Cyg) is a red hypergiant or red supergiant (RSG) in the constellation Cygnus. It is possibly...

68 Cygni is the Flamsteed designation for a star in the constellation Cygnus. Located approximately 690 parsecs (2,300 ly) distant, the star is a hot...

designated SN 2011dh, showed a spectrum much bluer than average, with P Cygni profiles, which indicate rapidly expanding material, in its hydrogen-Balmer...

distance from most other settled systems. List of stars in Taurus P Cygni profile Hind's Variable Nebula Struve's Lost Nebula van Leeuwen, F. (November...

gamma ray repeater) HR 6819 black hole hypothesis PHL 293B ending of P Cygni profile hydrogen emission lines Swift J1818.0–1607 (young magnetar) GW190814...

a high-luminosity M-class star. The hydrogen lines, however, have P Cygni profiles fit for luminous blue variables. The spectrum is dominated by TiO bands...

emission or with P Cygni profiles. B1.5Ia+ is a very similar spectral type to WN11, with lower ionisation levels and stronger P Cygni profile absorption in...

gamma ray repeater) HR 6819 black hole hypothesis PHL 293B ending of P Cygni profile hydrogen emission lines Swift J1818.0–1607 (young magnetar) GW190814...