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Omega1 Cygni

For other star systems with this Bayer designation, see ω Cygni. Omega 1 Cygni, Latinized from ω 1 Cygni, is the Bayer designation for a solitary star in the northern constellation of Cygnus. It is visible to the naked eye with an apparent visual ...

                                               

Omega2 Cygni

For other star systems with this Bayer designation, see ω Cygni. Omega 2 Cygni, Latinized from ω 2 Cygni, is the Bayer designation for a solitary star in the northern constellation of Cygnus. It has an apparent visual magnitude of 5.5, which is f ...

                                               

Pelican Nebula

The Pelican Nebula is an H II region associated with the North America Nebula in the constellation Cygnus. The gaseous contortions of this emission nebula bear a resemblance to a pelican, giving rise to its name. The Pelican Nebula is located nea ...

                                               

Phi Cygni

Phi Cygni, Latinized from φ Cygni, is a binary star system in the northern constellation of Cygnus. It is faintly visible to the naked eye with an apparent visual magnitude of 4.70. The annual parallax shift is 12.25 mas as measured from Earth, w ...

                                               

Pi1 Cygni

Pi¹ Cygni is a binary star in the northern constellation of Cygnus. It is visible to the naked eye, having a combined apparent visual magnitude of 4.66. The distance to this system can be roughly gauged by its annual parallax shift of 1.89 mas, w ...

                                               

Pi2 Cygni

Pi 2 Cygni, Latinized from π 2 Cygni, is a triple star system in the northern constellation of Cygnus. It is visible to the naked eye about 2.5° east-northeast of the open cluster M39, having an apparent visual magnitude of 4.24. Based upon an an ...

                                               

Psi Cygni

ψ Cygni, Latinised as Psi Cygni, is a triple star system in the constellation called Cygnus. With a combined apparent visual magnitude of 4.92, it is visible to the naked eye. As of 2002, the inner pair, components Aa and Ab, had an angular separ ...

                                               

PSR J2032+4127

PSR J2032 + 4127, sometimes abbreviated as J2032, is a pulsar. It is accompanied by a massive Be star named MT91 213. The system is located in the constellation Cygnus at a distance of about 1.4 kpc from the Sun 6. The system is part of the Cygnu ...

                                               

R Cygni

R Cygni is a variable star of the Mira type in the constellation Cygnus, less than 4 from θ Cygni. This is a red giant star on the asymptotic giant branch located around 2.200 light years away. It is an S-type star ranging between spectral types ...

                                               

Rho Cygni

Rho Cygni, Latinized from ρ Cygni, is a yellow-hued star in the northern constellation of Cygnus. It is visible to the naked eye with an apparent magnitude of 4.02. The measured annual parallax shift is 26.39 milliarcseconds, which yields a dista ...

                                               

RW Cygni

RW Cygni is a semiregular variable star in the constellation Cygnus, about a degree east of 2nd magnitude γ Cygni. Its apparent magnitude varies between 8.05 and 9.70 and its spectral type between M2 and M4.

                                               

Sadr Region

The Sadr region, or IC 1318, is the diffuse emission nebula surrounding Sadr at the center of Cygnuss cross. The Sadr region is one of the surrounding nebulous regions; others include the Butterfly Nebula and the Crescent Nebula. It contains many ...

                                               

Sh2-101

Sharpless 101 is a H II region emission nebula located in the constellation Cygnus. It is sometimes also called the Tulip Nebula because it appears to resemble the outline of a tulip when imaged photographically. It was catalogued by astronomer S ...

                                               

Sh2-106

Sh2-106 is an emission nebula and a star formation region in the constellation Cygnus. It is a H II region estimated to be around 2.000 ly from Earth, in an isolated area of the Milky Way In the center of the nebula is a young and massive star th ...

                                               

Sigma Cygni

Sigma Cygni, Latinised from σ Cygni, is a blue supergiant star in the constellation Cygnus. Its apparent magnitude is 4.2. It belongs to the Cygnus OB4 stellar association and is located approximately 3.300 light years away from Earth. Because of ...

                                               

SS Cygni

SS Cygni is a variable star in the northern constellation Cygnus. It is the prototype of the subclass of dwarf novae that show only normal eruptions. It typically rises from 12th magnitude to 8th magnitude for 1–2 days every 7 or 8 weeks. The nor ...

                                               

T Cygni

T Cygni is a binary star system in the northern constellation of Cygnus. It is a faint system but visible to the naked eye with a combined apparent visual magnitude of 4.93. Based upon an annual Parallax shift of 8.4 mas, it is located 387 light ...

                                               

Tau Cygni

Tau Cygni, Latinised from τ Cygni, is a binary star system in the constellation Cygnus, approximately 69 light years away from Earth. This visual binary system has a period of 49.6 years. The main star, 4th magnitude GJ 822.1 A, is a yellowish wh ...

                                               

Theta Cygni

Theta Cygni is a star in the northern constellation of Cygnus. It has an apparent visual magnitude of 4.5, so it can be seen from the northern hemisphere with the naked eye in sufficiently dark skies. Based upon parallax measurements, it is at a ...

                                               

TT Cygni

TT Cygni is a carbon star. It is 561 parsecs away in Cygnus. It has an apparent magnitude of 7.44. It is called a carbon star because it has a high ratio of carbon to oxygen in its surface layers. The carbon was produced by helium fusion, dredged ...

                                               

Upsilon Cygni

Upsilon Cygni, Latinized from υ Cygni, is a star in the northern constellation of Cygnus. It is visible to the naked eye, having an apparent visual magnitude of 4.43. Based upon an annual parallax shift of 5.08 mas, it lies at a distance of rough ...

                                               

V1057 Cygni

V1057 Cygni is a FU Orionis-type variable star in the constellation of Cygnus. It has a spectral type of F and an apparent visual magnitude of approximately 11.660. It was the second FU Orionis-type variable discovered.

                                               

V1191 Cygni

V1191 Cygni is the variable star designation for an overcontact binary star system in the constellation Cygnus. First found to be variable in 1965, it is a W Ursae Majoris variable with a maximum apparent magnitude 10.82. It drops by 0.33 magnitu ...

                                               

V1331 Cygni

V1331 Cygni is a young star in the constellation Cygnus. V1331 Cyg is located in the dark nebula LDN 981. V1331 Cygni is most noted for having an arc-like reflection nebula surrounding it. This circumstellar disc is a great birthplace for young s ...

                                               

W Cygni

W Cygni is a semi-regular variable star in the constellation Cygnus, located 570 light-years from Earth. It lies less than half a degree southeast of ρ Cygni.

                                               

W75N(B)-VLA2

W75N-VLA2 is a massive protostar located in the Cygnus X region some 4.200 light-years from Earth, about 8 times more massive and 300 times brighter than our Sun, observed in 1996 and 2014 by the Karl G. Jansky Very Large Array. In 2014 its stell ...

                                               

WASP-48b

WASP-48b is an extrasolar planet orbiting the star WASP-48 in the constellation Cygnus. The planet was detected using the transit method by the SuperWASP team, which published its discovery in 2011. It orbits its host star in just 2.14 days with ...

                                               

WR 134

WR 134 is a variable Wolf-Rayet star located around 6.000 light years away from Earth in the constellation of Cygnus, surrounded by a faint bubble nebula blown by the intense radiation and fast wind from the star. It is five times the radius of t ...

                                               

WR 135

WR 135 is a variable Wolf-Rayet star located around 6.000 light years away from Earth in the constellation of Cygnus, surrounded by a faint bubble nebula blown by the intense radiation and fast wind from the star. It is three times the radius of ...

                                               

WR 136

WR 136 is a Wolf–Rayet star located in the constellation Cygnus. It is in the center of the Crescent Nebula. Its age is estimated to be around 4.7 million years and it is nearing the end of its life. Within a few hundred thousand years, it is exp ...

                                               

WR 137

WR 137 is a variable Wolf-Rayet star located around 6.000 light years away from Earth in the constellation of Cygnus. WR 137, together with WR 134 and WR 135, was one of three stars in Cygnus observed in 1867 to have unusual spectra consisting of ...

                                               

WR 140

WR 140 is a visually moderately bright Wolf-Rayet star placed within the spectroscopic binary star, SBC9 1232, whose primary star is an evolved spectral class O4-5 star. It is located in the constellation of Cygnus, lying in the sky at the centre ...

                                               

Xi Cygni

ξ Cygni is a spectroscopic binary star in the constellation Cygnus. Its apparent magnitude is 3.73 and it is located around 360 parsecs away. The system contains two stars which orbit every 18 years in a mildly eccentric orbit. The primary star i ...

                                               

Zeta Cygni

Zeta Cygni is a binary star system in the northern constellation of Cygnus, the swan. It has an apparent visual magnitude of 3.26 and, based upon parallax measurements, is about 143 light-years away. The primary component, ζ Cyg A is a giant star ...

                                               

18 Delphini b

18 Delphini b, formally named Arion, is an extrasolar planet approximately 249 light-years away in the constellation of Delphinus. The 993-day period planet orbits the yellow giant star 18 Delphini. A very massive and dense planet with a minimum ...

                                               

Beta Delphini

Beta Delphini is a binary star in the constellation of Delphinus. It is the brightest star in Delphinus. The two components of the system are designated Beta Delphini A officially named Rotanev, which is historically the name of the system and B.

                                               

Delta Delphini

Delta Delphini, Latinized from δ Delphini, is a binary star in the northern constellation of Delphinus. It is visible to the naked eye with an apparent visual magnitude of 4.43. Based upon an annual parallax shift of 14.61 mas as seen from the Ea ...

                                               

Epsilon Delphini

Epsilon Delphini, officially named Aldulfin, is a solitary, blue-white hued star in the northern constellation of Delphinus. It is visible to the naked eye with an apparent visual magnitude of 4.03. Based upon an annual parallax shift of 9.87 mas ...

                                               

Gamma Delphini

Gamma Delphini, Latinized from γ Delphini, is a binary star system approximately 101 light-years away in the constellation of Delphinus. The star marks one corner of the asterism "Jobs Coffin". It is one of the best known double stars in the sky, ...

                                               

HD 196885 Ab

HD 196885 Ab is a jovian planet with at least 2.96 times the mass of Jupiter. This planet was discovered on October 23, 2007.

                                               

HU Delphini

HU Delphini, also known as Gliese 791.2, is a star system in the constellation of Delphinus. Its apparent magnitude is 13.07. With a trigonometric parallax of 113.4 ± 0.2 mas, it is about 28.76 light-years away from the Solar System. HU Delphini ...

                                               

Iota Delphini

Iota Delphini is a star in the constellation Delphinus. It has an apparent magnitude of about 5.4, meaning that it is just barely visible to the naked eye. Based upon parallax measurements made by the Hipparcos spacecraft, this star is around 177 ...

                                               

NGC 6905

NGC 6905, also known as the Blue Flash Nebula, is a planetary nebula in the constellation Delphinus. It was discovered by William Herschel in 1784. The central star is 14.0 mag. The distance of the nebula, as with most planetary nebulae, is not w ...

                                               

Theta Delphini

Theta Delphini is a star in the constellation Delphinus. It has an apparent magnitude of about 5.7, meaning that it is just barely visible to the naked eye under excellent viewing conditions. Based upon parallax measurements made by the Hipparcos ...

                                               

WASP-2b

WASP-2b is an extrasolar planet orbiting the star WASP-2 located about 500 light years away in the constellation of Delphinus. It was discovered via the transit method, and then follow up measurements using the radial velocity method confirmed th ...

                                               

Zeta Delphini

Zeta Delphini is a star in the constellation of Delphinus. With an apparent magnitude of about 4.6, it is faintly visible to the naked eye. Parallax measurements of the system made by the Hipparcos spacecraft put it at a distance of about 220 lig ...

                                               

3C 371

3C 371 is a BL Lac object located in the constellation Draco. With a redshift of 0.051, this active galaxy is about 730 million light-years away. 3C 371 is a well known object, first associated with the BL Lac class by Miller in 1975, and is amon ...

                                               

6 Draconis

6 Draconis is a single-lined spectroscopic binary star system in the northern constellation of Draco, located about 430 light years away from the Sun. It is visible to the naked eye as an orange-hued star with an apparent visual magnitude of 4.95 ...

                                               

7 Draconis

7 Draconis, also named Tianyi, is a single star in the northern circumpolar constellation of Draco. It is visible to the naked eye as a faint orange-hued star with a stellar classification of 5.43. Based upon an annual parallax shift of 4.16 mas ...

                                               

8 Draconis

8 Draconis, formally named Taiyi, is a single star in the northern circumpolar constellation of Draco. Based upon an annual parallax shift of 34.14 mas as seen from the Earth, the star is located approximately 96 light-years from the Sun. It is m ...