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P Cygni is a blue star in the constellation of Cygnus. It can be seen in the northern hemisphere night sky. P Cygni distance from Earth is 10192.60 light years away.

P Cygni stars lines shows a profile type called "P Cyg": an emission component to the red side of an aborption line. There are blue super-giant stars. They have larges masses and high …

A P Cygni profile is a combination of features in a star's spectrum that points to an outflow of material in the form of either an expanding shell of gas or a powerful stellar wind. The P Cygni …

The "luminous blue variable" P Cygni shines at center in a beautiful setting in the middle of the thick Milky Way. Down and to the left are stars heavily reddened by intervening interstellar …

Aug 27, 1999 · P Cygni is a prototype for understanding mass loss from massive stars. This textbook star is known first of all because of two great eruptions in the 17th century.

P Cygni was the first star that showed the effects of stellar evoluton from a study of its photometric history. It shares some common properties with the so-called Luminous Blue Variables. …

P Cygni profiles are most famous for their connection with the hottest stars; the combination of emission lines with a fast outflowing stellar wind gives us the classic profile shape.

P Cygni was discovered in 1600 AD during an outburst when it reached 3rd magnitude. After another outburst in 1655 the star is now showing irregular photometric variations with an …

For a list of the brightest stars seen from Earth, see the list of brightest stars. There are three stars with over 1 million L☉ and visible to the naked eye: WR 22, WR 24 and Eta Carinae. All of …

P Cygni was the first star that showed the effects of stellar evoluton from a study of its photometric history. It shares some common properties with the so-called Luminous Blue Variables. …

A feature in a spectrum that indicates a strong outflow of matter from a star. It is named after P Cygni, a Be star whose spectrum shows strong hydrogen and helium emission lines with …

P Cygni (34 Cygni, Nova Cygni 1600, P Cyg, HD 193237, HIP 100044) is a hypergiant variable star in the constellation of Cygnus, the swan. The star is known for being the third variable star …

Gamma Cygni (γ Cygni, abbreviated Gamma Cyg, γ Cyg), officially named Sadr / ˈ s æ d ər /, [11] [12] is a star in the northern constellation of Cygnus, forming the intersection of an asterism of …

Here, we report on observations of the two bright (mV < 2.1), hot (Teff > 22,000 K) B stars ε Orionis (Alnilam) and β Canis Majoris (Mirzam) that were conducted using an SII system (see …

The authors analyse the time evolution (1978 - 1983) of the shell lines in the hypergiant star P Cygni (B1Ia+). The wind of P Cygni is characterized by a stable shell formed at large...

Aug 12, 2020 · We present a review of UV observations of massive stars and their analysis. We discuss O stars, luminous blue variables, and Wolf–Rayet stars. Because of their effective …