List of stars in Cygnus
Encyclopedia
This is the list of notable star
s in the constellation
Cygnus
, sorted by decreasing brightness.
Star
A star is a massive, luminous sphere of plasma held together by gravity. At the end of its lifetime, a star can also contain a proportion of degenerate matter. The nearest star to Earth is the Sun, which is the source of most of the energy on Earth...
s in the constellation
Constellation
In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....
Cygnus
Cygnus (constellation)
Cygnus is a northern constellation lying on the plane of the Milky Way. Its name is the Latinized Hellenic word for swan. One of the most recognizable constellations of the northern summer and autumn, it features a prominent asterism known as the Northern Cross...
, sorted by decreasing brightness.
Name | B Bayer designation A Bayer designation is a stellar designation in which a specific star is identified by a Greek letter, followed by the genitive form of its parent constellation's Latin name... |
F Flamsteed designation Flamsteed designations for stars are similar to Bayer designations, except that they use numbers instead of Greek letters. Each star is assigned a number and the Latin genitive of the constellation it lies in... |
HD Henry Draper Catalogue The Henry Draper Catalogue is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension , published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the... |
HIP | RA Right ascension Right ascension is the astronomical term for one of the two coordinates of a point on the celestial sphere when using the equatorial coordinate system. The other coordinate is the declination.-Explanation:... |
Dec Declination In astronomy, declination is one of the two coordinates of the equatorial coordinate system, the other being either right ascension or hour angle. Declination in astronomy is comparable to geographic latitude, but projected onto the celestial sphere. Declination is measured in degrees north and... |
vis. mag. Apparent magnitude The apparent magnitude of a celestial body is a measure of its brightness as seen by an observer on Earth, adjusted to the value it would have in the absence of the atmosphere... |
abs. mag. Absolute magnitude Absolute magnitude is the measure of a celestial object's intrinsic brightness. it is also the apparent magnitude a star would have if it were 32.6 light years away from Earth... |
Dist. (ly) | Sp. class Stellar classification In astronomy, stellar classification is a classification of stars based on their spectral characteristics. The spectral class of a star is a designated class of a star describing the ionization of its chromosphere, what atomic excitations are most prominent in the light, giving an objective measure... |
Notes |
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Deneb Deneb Deneb is the brightest star in the constellation Cygnus and one of the vertices of the Summer Triangle. It is the 19th brightest star in the night sky, with an apparent magnitude of 1.25. A blue-white supergiant, Deneb is also one of the most luminous nearby stars... |
α | 50 | 197345 | 102098 | 1.25 | −8.73 | 3228 | A2Ia | Deneb el Adige, Deneb Cygni, Arided, Aridif, Arrioph, Gallina; prototype of α Cyg variables Alpha Cygni variable 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 others parts expand. They are supergiant stars of spectral types B or A... |
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γ Cyg Gamma Cygni Gamma Cygni is a star in the constellation Cygnus. It has the traditional name Sadr .... |
γ | 37 | 194093 | 100453 | 2.23 | −6.12 | 1523 | F8Ib | Sadr, Sador, Sadir, Sadr al Dedjadjet, Pectus Gallinæ; variable Variable star A star is classified as variable if its apparent magnitude as seen from Earth changes over time, whether the changes are due to variations in the star's actual luminosity, or to variations in the amount of the star's light that is blocked from reaching Earth... |
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ε Cyg Epsilon Cygni Epsilon Cygni is a star in the constellation Cygnus . It is also called Gienah, a traditional name it shares with Gamma Corvi... |
ε | 53 | 197989 | 102488 | 2.48 | 0.76 | 72 | K0III | Gienah, Gienah Cygni | ||
δ Cyg Delta Cygni Delta Cygni is the third-magnitude star in the constellation Cygnus. It has the traditional name Rukh. It will be the "North Star" for at least four centuries around 11,250.... |
δ | 18 | 186882 | 97165 | 2.86 | −0.74 | 171 | B9.5III | Ruc, Rukh, Urakhga, Al Fawaris; triple star Star system A star system or stellar system is a small number of stars which orbit each other, bound by gravitational attraction. A large number of stars bound by gravitation is generally called a star cluster or galaxy, although, broadly speaking, they are also star systems.-Binary star systems:A stellar... |
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Albireo A Albireo Albireo is the fifth brightest star in the constellation Cygnus. Although it has the Bayer designation beta, it is fainter than Gamma Cygni, Delta Cygni, and Epsilon Cygni. Albireo appears to the naked eye to be a single star of magnitude 3 but through a telescope, even low magnification views... |
β1 | 6 | 183912 | 95947 | 3.05 | −2.31 | 385 | K3II+... | Al Minhar al Dajajah, Menchir al Dedjadjet Rostrum Gallinæ; prominent visual binary star Binary star A binary star is a star system consisting of two stars orbiting around their common center of mass. The brighter star is called the primary and the other is its companion star, comes, or secondary... with Albireo B; spectroscopic binary |
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ζ Cyg Zeta Cygni Zeta Cygni and CCDM J21129+3014B form a binary star system in the constellation Cygnus, approximately 151 light-years away from Earth.... |
ζ | 64 | 202109 | 104732 | 3.21 | −0.12 | 151 | G8II SB | multiple star Star system A star system or stellar system is a small number of stars which orbit each other, bound by gravitational attraction. A large number of stars bound by gravitation is generally called a star cluster or galaxy, although, broadly speaking, they are also star systems.-Binary star systems:A stellar... |
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ξ Cyg | ξ | 62 | 200905 | 104060 | 3.72 | −4.07 | 1177 | K5Ibv SB | |||
τ Cyg Tau Cygni Tau Cygni is a binary star system in the constellation Cygnus, approximately 69 light years away from Earth. The main star, 4th magnitude GJ 822.1 A, is a yellowish white subgiant star of the spectral type F2IV. It therefore has a surface temperature of 6,000 to 7,500 kelvins and is larger,... |
τ | 65 | 202444 | 104887 | 3.74 | 2.14 | 68 | F1IV | multiple star; δ Sct variable Delta Scuti variable A Delta Scuti variable is a variable star which exhibits variations in its luminosity due to both radial and non-radial pulsations of the star's surface. Typical brightness fluctuations are from 0.003 to 0.9 magnitudes in V over a period of a few hours, although the amplitude and period of the... |
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ι Cyg | ι | 10 | 184006 | 95853 | 3.76 | 0.89 | 122 | A5Vn | |||
κ Cyg | κ | 1 | 181276 | 94779 | 3.80 | 0.91 | 123 | K0III | variable | ||
ο1 Cyg | ο1 | 31 | 192577 | 99675 | 3.80 | −4.29 | 1353 | K2II+... | V695 Cyg; Algol variable Algol variable Algol variables or Algol-type binaries are a class of eclipsing binary stars where the orbital plane of the stars are coincident with the line of sight from Earth. When the cooler component passes in front of the hotter one, part of the latter's light is blocked, and the total brightness of the... |
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η Cyg Eta Cygni Eta Cygni is a star in theconstellation Cygnus. It is located about 137 light years from the Sun and is categorized as an orange giant star of spectral class K0III.... |
η | 21 | 188947 | 98110 | 3.89 | 0.74 | 139 | K0IIIvar | multiple star | ||
ν Cyg | ν | 58 | 199629 | 103413 | 3.94 | −1.25 | 356 | A1Vn | |||
ο2 Cyg | ο2 | 32 | 192909 | 99848 | 3.96 | −3.70 | 1109 | K3Ib-II comp | V1488 Cyg; Algol variable | ||
ρ Cyg | ρ | 73 | 205435 | 106481 | 3.98 | 1.07 | 124 | G8III | variable | ||
41 Cyg | 41 | 195295 | 101076 | 4.01 | −2.82 | 758 | F5II | variable | |||
52 Cyg | 52 | 197912 | 102453 | 4.22 | 0.22 | 206 | K0III | double star Double star In observational astronomy, a double star is a pair of stars that appear close to each other in the sky as seen from Earth when viewed through an optical telescope. This can happen either because the pair forms a binary star, i.e... |
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σ Cyg | σ | 67 | 202850 | 105102 | 4.22 | −6.49 | 4528 | B9Iab | |||
π2 Cyg Pi2 Cygni Pi² Cygni is a fourth-magnitude star in the constellation Cygnus. It has the traditional name Pennae Caudalis, which is Latin for "Tail Feathers"... |
π2 | 81 | 207330 | 107533 | 4.23 | −3.52 | 1156 | B3III | Pennae Caudalis, Sama al Azrak; spectroscopic binary | ||
33 Cyg | 33 | 192696 | 99655 | 4.28 | 0.93 | 152 | A3IV-Vn | variable | |||
υ Cyg | υ | 66 | 202904 | 105138 | 4.41 | −2.80 | 901 | B2Vne | emission-line star; γ Cas variable | ||
39 Cyg 39 Cygni 39 Cygni is a star in the constellation Cygnus, approximately 260 light years away from Earth. It is an orange star of the spectral type K3III, meaning it has a surface temperature of 3,500 to 5,000 kelvins. It is cooler, but much larger and brighter, than our Sun.... |
39 | 194317 | 100587 | 4.43 | −0.04 | 255 | K3III | ||||
θ Cyg Theta Cygni Theta Cygni is a white main sequence star, spectral class F3 V, forming a wide binary system with a dim red dwarf star, of spectral type M3. The primary component of binary is suspected to host an extrasolar planet.-Planetary companion?:... |
θ | 13 | 185395 | 96441 | 4.49 | 3.14 | 61 | F4V | triple star | ||
λ Cyg | λ | 54 | 198183 | 102589 | 4.53 | −2.62 | 879 | B6IV | Be star Be star A Be star is a B-type star with prominent emission lines of hydrogen in its spectrum. The designation is combined by the spectral class, B, and the lowercase e denoting emission in the spectral classification system. Line emission from other atomic ions might be present as well, but is typically... |
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63 Cyg | f2 | 63 | 201251 | 104194 | 4.56 | −2.83 | 982 | K4II | double star | ||
47 Cyg A | 47 | 196093 | 101474 | 4.61 | −2.66 | 929 | K2Ib comp | V2125 Cyg; double star; pulsating variable Variable star A star is classified as variable if its apparent magnitude as seen from Earth changes over time, whether the changes are due to variations in the star's actual luminosity, or to variations in the amount of the star's light that is blocked from reaching Earth... |
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φ Cyg | φ | 12 | 185734 | 96683 | 4.68 | 0.25 | 251 | G8III-IV... | spectroscopic binary | ||
π1 Cyg Pi1 Cygni Pi1 Cygni is a star in the constellation Cygnus. It has the traditional name Azelfafage.In Chinese, , meaning Flying Serpent, refers to an asterism consisting of π1 Cygni, α Lacertae, 4 Lacertae, π2 Cygni, HD 206267, ε Cephei, β Lacertae, σ Cassiopeiae, ρ Cassiopeiae, τ Cassiopeiae, AR... |
π1 | 80 | 206672 | 107136 | 4.69 | −3.87 | 1680 | B3IV | Azelfafage; spectroscopic binary | ||
μ1 Cyg | μ1 | 78 | 206826 | 107310 | 4.69 | 2.94 | 73 | F6V | multiple star | ||
8 Cyg 8 Cygni 8 Cygni is a 5th magnitude star in the constellation Cygnus, approximately 630 light years away from Earth. It is a bluish white subgiant star of the spectral type B3IV. Its surface temperature is 11,000 to 25,000 kelvins. Its surface is therefore at least twice as hot as that of our Sun, and it is... |
8 | 184171 | 96052 | 4.74 | −1.68 | 627 | B3IV | ||||
59 Cyg | f1 | 59 | 200120 | 103632 | 4.74 | −2.95 | 1124 | B1ne | V832 Cyg; irregular variable Irregular variable An irregular variable is a type of variable star in which variations in brightness show no regular periodicity. There are two main sub-types of irregular variable: eruptive and pulsating.Eruptive irregular variables are divided into three categories:... |
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P Cyg P Cygni P Cygni is a variable star in the constellation Cygnus. The designation "P" was originally assigned by Johann Bayer in Uranometria as a nova.... |
P | 34 | 193237 | 100044 | 4.77 | −6.65 | 6269 | B2pe | Revenante of the Swan, Nova Cygni 1600; hypergiant Hypergiant A hypergiant is a star with a tremendous mass and luminosity, showing signs of a very high rate of mass loss.-Characteristics:... ; prototype of P Cyg variables |
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30 Cyg | 30 | 192514 | 99639 | 4.80 | −1.91 | 716 | A5IIIn | variable | |||
57 Cyg | 57 | 199081 | 103089 | 4.80 | −1.13 | 501 | B5V | spectroscopic binary | |||
55 Cyg | 55 | 198478 | 102724 | 4.81 | −4.38 | 2248 | B3Ia | V1661 Cyg; α Cyg variables; emission-line star | |||
72 Cyg | 72 | 205512 | 106551 | 4.87 | 0.40 | 255 | K1III | ||||
15 Cyg | 15 | 186675 | 97118 | 4.89 | 0.23 | 279 | G8III | ||||
ψ Cyg Psi Cygni Psi Cygni is a star in the constellation called Cygnus. It is located 288 lightyears from Earth.... |
ψ | 24 | 189037 | 98055 | 4.91 | 0.18 | 288 | A4Vn | multiple star | ||
28 Cyg | b2 | 28 | 191610 | 99303 | 4.93 | −2.18 | 860 | B2.5V | V1624 Cyg; Be star; emission-line star | ||
29 Cyg | b3 | 29 | 192640 | 99770 | 4.93 | 1.86 | 134 | A2V | V1644 Cyg; variable | ||
T Cyg | 198134 | 102571 | 4.93 | −0.51 | 399 | K3IIIvar | triple star; variable | ||||
ω1 Cyg | ω1 | 45 | 195556 | 101138 | 4.94 | −2.19 | 869 | B2.5IV | Ruchba; V2014 Cyg; β Cep variable | ||
22 Cyg | 22 | 188892 | 98068 | 4.95 | −2.89 | 1203 | B5IV | Mokhtarzada | |||
189276 | 98073 | 4.98 | −2.27 | 918 | K5II-III | ||||||
2 Cyg | 2 | 182568 | 95372 | 4.99 | −1.89 | 774 | B3IV | double star | |||
17 Cyg | 17 | 187013 | 97295 | 5.00 | 3.40 | 68 | F5 | ||||
20 Cyg | d | 20 | 188056 | 97635 | 5.03 | 1.18 | 192 | K3IIIvar | variable | ||
68 Cyg | A | 68 | 203064 | 105186 | 5.04 | −11.29 | 60257 | O8e | V1809 Cyg; rotating ellipsoidal variable Rotating ellipsoidal variable Rotating ellipsoidal variables are a class of variable star. They are close binary systems whose components are ellipsoidal. They are not eclipsing, but fluctuations in apparent magnitude occur due to changes in the amount of light emitting area visible to the observer... |
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74 Cyg | 74 | 205835 | 106711 | 5.04 | 1.03 | 206 | A5V | ||||
186155 | 96825 | 5.06 | 1.62 | 159 | F5II | variable | |||||
26 Cyg | e | 26 | 190147 | 98571 | 5.06 | −0.54 | 429 | K1II-III | multiple star | ||
56 Cyg | 56 | 198639 | 102843 | 5.06 | 1.93 | 138 | A4me... | double star | |||
75 Cyg | 75 | 206330 | 106999 | 5.09 | −0.38 | 404 | M1IIIvar | triple star; variable | |||
Albireo B Albireo Albireo is the fifth brightest star in the constellation Cygnus. Although it has the Bayer designation beta, it is fainter than Gamma Cygni, Delta Cygni, and Epsilon Cygni. Albireo appears to the naked eye to be a single star of magnitude 3 but through a telescope, even low magnification views... |
β2 | 6 | 183914 | 95951 | 5.12 | −0.19 | 376 | B8V | component of the Albireo system; emission-line star | ||
23 Cyg | 23 | 188665 | 97870 | 5.14 | −1.32 | 638 | B5V | ||||
35 Cyg | 35 | 193370 | 100122 | 5.14 | −3.80 | 2000 | F5Ib | spectroscopic binary | |||
25 Cyg | 25 | 189687 | 98425 | 5.15 | −3.27 | 1575 | B3IV | V1746 Cyg; γ Cas variable & β Cep variable Beta Cephei variable Beta Cephei variables are variable stars which exhibit variations in their brightness due to pulsations of the stars' surfaces. The point of maximum brightness roughly corresponds to the maximum contraction of the star. Typically, Beta Cephei variables change in brightness by 0.01 to 0.3... ; emission-line star |
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4 Cyg | 4 | 183056 | 95556 | 5.17 | −1.34 | 653 | B9sp... | V1741 Cyg; spectroscopic binary | |||
185351 | 96459 | 5.17 | 2.13 | 132 | K0III | ||||||
19 Cyg | 19 | 187849 | 97630 | 5.18 | −1.29 | 642 | M2IIIa | V1509 Cyg; variable | |||
61 Cyg A 61 Cygni 61 Cygni,Not to be confused with 16 Cygni, a more distant system containing two G-type stars harboring the gas giant planet 16 Cygni Bb. sometimes called Bessel's Star or Piazzi's Flying Star, is a binary star system in the constellation Cygnus... |
61 | 201091 | 104214 | 5.20 | 7.49 | 11 | K5V | V1803 Cyg; BY Draconis variable BY Draconis variable BY Draconis variables are main sequence variable stars of late spectral types, usually K or M. The name comes from the archetype for this category of variable star system, BY Draconis. They exhibit variations in their luminosity due to rotation of the star coupled with star spots, and other... ; 14th nearest star system |
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71 Cyg | g | 71 | 204771 | 106093 | 5.22 | 1.04 | 224 | K0III | |||
193092 | 99968 | 5.27 | −2.16 | 1000 | K5II | variable | |||||
204411 | 105898 | 5.29 | −0.10 | 389 | A6pe... | α2CVn variable Alpha2 Canum Venaticorum variable An Alpha2 Canum Venaticorum variable is a type of variable star. These stars are chemically peculiar main sequence stars of spectral class B8p to A7p. They have strong magnetic fields and strong silicon, strontium, or chromium spectral lines... |
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70 Cyg | 70 | 204403 | 105942 | 5.30 | −3.38 | 1772 | B3V | ||||
184875 | 96288 | 5.34 | −0.64 | 512 | A2V | ||||||
27 Cyg | b1 | 27 | 191026 | 99031 | 5.38 | 3.46 | 79 | K0IV | V2008 Cyg; RS CVn variable RS Canum Venaticorum variable RS Canum Venaticorum variables are a type of variable star. They are close binary stars having active chromospheres which can cause large stellar spots. These spots are believed to cause variations in their observed luminosity... |
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60 Cyg | 60 | 200310 | 103732 | 5.38 | −2.73 | 1364 | B1V | V1931 Cyg; eclipsing binary | |||
9 Cyg | 9 | 184759 | 96302 | 5.39 | −0.70 | 538 | A0V+... | spectroscopic binary | |||
14 Cyg | 14 | 185872 | 96693 | 5.41 | −1.20 | 685 | B9III | ||||
51 Cyg | 51 | 197511 | 102177 | 5.41 | −1.85 | 924 | B2V | multiple star | |||
ω2 Cyg | ω2 | 46 | 195774 | 101243 | 5.44 | −0.03 | 404 | M2III | Ruchba, Rukbat al Dajajah, Al Rukbah al Dajajah; double star | ||
189178 | 98194 | 5.46 | −2.90 | 1531 | B5V | double star | |||||
199101 | 103145 | 5.47 | −0.89 | 609 | K5III | ||||||
199098 | 103094 | 5.48 | −1.31 | 744 | K0II | ||||||
189395 | 98325 | 5.51 | −0.60 | 544 | B9Vn | ||||||
49 Cyg | 49 | 197178 | 102066 | 5.51 | −1.45 | 805 | G8IIb | ||||
206749 | 107235 | 5.51 | −0.77 | 587 | M2III | ||||||
49 Cyg | 49 | 197177 | 102066 | 5.53 | −1.43 | 805 | G8IIb | ||||
184293 | 96014 | 5.55 | −0.22 | 465 | K1III | ||||||
199870 | 103519 | 5.55 | 1.00 | 265 | G8III | ||||||
V1942 Cyg | 209515 | 108845 | 5.57 | −0.48 | 529 | A0IV | α2 CVn variable | ||||
36 Cyg | 36 | 193369 | 100108 | 5.58 | 1.70 | 195 | A2V | ||||
194152 | 100437 | 5.58 | 0.06 | 415 | K0IIIvar | ||||||
199955 | 103530 | 5.59 | −2.35 | 1264 | B5Vn | ||||||
204153 | 105769 | 5.59 | 2.91 | 112 | F0V | ||||||
188209 | 97757 | 5.60 | −7.69 | 14818 | O9.5Ia | ||||||
198345 | 102635 | 5.60 | −0.49 | 538 | K5III | ||||||
V389 Cyg | 201433 | 104371 | 5.60 | −0.07 | 444 | B9V | multiple; variable | ||||
V1768 Cyg | 190603 | 98863 | 5.62 | −7.48 | 13583 | B1.5Ia comp | α Cyg variables | ||||
40 Cyg | 40 | 195050 | 100907 | 5.63 | 1.04 | 270 | A3V | ||||
V380 Cyg | 187879 | 97634 | 5.68 | −3.80 | 2567 | B1III | Algol variable | ||||
196852 | 101899 | 5.68 | 0.31 | 386 | K2III | ||||||
197392 | 102155 | 5.68 | −1.84 | 1042 | B8II-III | ||||||
V2140 Cyg | 199478 | 103312 | 5.68 | −6.60 | 9314 | B8Ia | α Cyg variables | ||||
203644 | 105497 | 5.68 | 0.66 | 328 | K0III | ||||||
79 Cyg | 79 | 206774 | 107253 | 5.69 | 1.08 | 272 | A0V | ||||
192787 | 99841 | 5.70 | 0.88 | 300 | K0III | ||||||
184960 | 96258 | 5.71 | 3.67 | 83 | F7V | ||||||
7 Cyg | 7 | 183534 | 95656 | 5.73 | 0.51 | 361 | A1V | ||||
Gl 777 Gliese 777 Gliese 777, often abbreviated as Gl 777 or GJ 777, is a yellow subgiant approximately 52 light-years away in the constellation of Cygnus. The system is also a binary star system made up of two stars and possibly a third... |
190360 | 98767 | 5.73 | 4.72 | 52 | G6IV+... | binary star; has two planets Extrasolar planet An extrasolar planet, or exoplanet, is a planet outside the Solar System. A total of such planets have been identified as of . It is now known that a substantial fraction of stars have planets, including perhaps half of all Sun-like stars... (b Gliese 777 b Gliese 777 b, also known as Gliese 777 Ab or HD 190360 b, is an extrasolar planet approximately 52 light-years away in the constellation of Cygnus. The planet was discovered orbiting the primary star of the Gliese 777 system in June 2002 using the radial velocity method... & c Gliese 777 c Gliese 777 c, often catalogued as Gliese 777 Ac or simply HD 190360 c, is an extrasolar planet approximately 52 light-years away in the constellation of Cygnus. The planet was discovered orbiting the primary star of the Gliese 777 system in June 2005 using the radial velocity method... ) |
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43 Cyg | 43 | 195068 | 100859 | 5.73 | 2.85 | 123 | F0V: | V2121 Cyg; γ Dor variable Gamma Doradus variable Gamma Doradus variables are variable stars which display variations in luminosity due to non-radial pulsations of their surface. The stars are typically young, early F or late A type main sequence stars, and typical brightness fluctuations are 0.1 magnitudes with periods on the order of one day... |
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77 Cyg | 77 | 206644 | 107162 | 5.73 | 0.44 | 372 | A0V | ||||
201834 | 104516 | 5.75 | 0.15 | 431 | B9III | ||||||
203245 | 105282 | 5.75 | −0.33 | 536 | B6V | ||||||
204485 | 106003 | 5.75 | 2.50 | 145 | F0V | ||||||
193592 | 100097 | 5.76 | 1.01 | 291 | A2Vs | ||||||
DT Cyg | 201078 | 104185 | 5.77 | −3.05 | 1895 | F7.5Ib-IIv | Cepheid variable Cepheid variable A Cepheid is a member of a class of very luminous variable stars. The strong direct relationship between a Cepheid variable's luminosity and pulsation period, secures for Cepheids their status as important standard candles for establishing the Galactic and extragalactic distance scales.Cepheid... |
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205314 | 106393 | 5.77 | −0.05 | 475 | A0V | ||||||
V2015 Cyg | 196178 | 101475 | 5.78 | −0.06 | 481 | B9sp... | α2 CVn variable | ||||
188650 | 97985 | 5.79 | −2.58 | 1538 | Fp | ||||||
209419 | 108758 | 5.79 | −1.77 | 1058 | B5III | ||||||
191195 | 99026 | 5.81 | 3.00 | 119 | F5V | ||||||
187235 | 97376 | 5.83 | −0.05 | 489 | B8Vn | ||||||
193322 | 100069 | 5.83 | −2.56 | 1552 | O9V | ||||||
199611 | 103359 | 5.83 | 2.20 | 174 | F0III | ||||||
179957 | 94336 | 5.85 | 3.87 | 81 | G4V+... | ||||||
186619 | 97081 | 5.86 | −0.57 | 631 | M0III | ||||||
192985 | 99889 | 5.87 | 3.18 | 113 | F5V: | ||||||
V2119 Cyg | 194335 | 100574 | 5.87 | −1.32 | 893 | B2Vne | Be star | ||||
V1762 Cyg | 179094 | 94013 | 5.88 | 1.65 | 229 | K1IV | RS CVn variable | ||||
V1143 Cyg | 185912 | 96620 | 5.89 | 2.89 | 130 | F6Vasv | Algol variable | ||||
195554 | 101084 | 5.89 | −1.30 | 896 | B9Vn | ||||||
V1334 Cyg | 203156 | 105269 | 5.89 | −4.27 | 3505 | F2Ib | δ Cep variable | ||||
42 Cyg | 42 | 195324 | 101067 | 5.90 | −2.67 | 1689 | A1Ib | ||||
188252 | 97774 | 5.91 | −3.49 | 2470 | B2III | ||||||
189684 | 98383 | 5.92 | 0.12 | 472 | A5III | ||||||
199612 | 103360 | 5.92 | −2.04 | 1273 | G8II-III | ||||||
186377 | 96977 | 5.93 | −3.26 | 2248 | A5III | ||||||
200817 | 103956 | 5.93 | 0.46 | 405 | K0III | ||||||
69 Cyg | 69 | 204172 | 105811 | 5.93 | −3.71 | 2763 | B0Ib | ||||
194193 | 100501 | 5.95 | −1.15 | 856 | M0III | ||||||
199579 | 103371 | 5.96 | −4.44 | 3928 | O6... | ||||||
W Cyg | 205730 | 106642 | 5.96 | −0.43 | 617 | M4IIIe-M6e | semiregular variable | ||||
197139 | 101986 | 5.97 | 0.17 | 470 | K2III | ||||||
V460 Cyg | 206570 | 107129 | 5.98 | −2.96 | 2000 | C6.3 | carbon star Carbon star A carbon star is a late-type star similar to a red giant whose atmosphere contains more carbon than oxygen; the two elements combine in the upper layers of the star, forming carbon monoxide, which consumes all the oxygen in the atmosphere, leaving carbon atoms free to form other carbon compounds,... ; variable |
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16 Cyg A 16 Cygni 16 Cygni or 16 Cyg is a triple star system approximately 70 light-years away from Earth in the constellation of Cygnus. It consists of two Sun-like yellow dwarf stars, 16 Cygni A and 16 Cygni B, together with a red dwarf, 16 Cygni C... |
c | 16 | 186408 | 96895 | 5.99 | 4.32 | 70 | G2V | triple star system | ||
V1743 Cyg | 184786 | 96198 | 6.00 | −2.26 | 1462 | M4.5III | |||||
192439 | 99579 | 6.01 | 0.50 | 412 | K1III: | ||||||
200253 | 103734 | 6.01 | −0.51 | 657 | G5III | ||||||
204428 | 105891 | 6.01 | 0.35 | 442 | B6V | ||||||
181096 | 94755 | 6.02 | 2.88 | 138 | F6IV: | ||||||
197120 | 102033 | 6.02 | 1.45 | 267 | A2V | ||||||
204965 | 106171 | 6.02 | 0.18 | 479 | A3V | ||||||
11 Cyg | 11 | 185037 | 96387 | 6.03 | −0.74 | 738 | B8Vn | ||||
189066 | 98143 | 6.03 | −1.64 | 1113 | B5IV | ||||||
186568 | 97087 | 6.04 | −1.17 | 901 | B8III | ||||||
61 Cyg B 61 Cygni 61 Cygni,Not to be confused with 16 Cygni, a more distant system containing two G-type stars harboring the gas giant planet 16 Cygni Bb. sometimes called Bessel's Star or Piazzi's Flying Star, is a binary star system in the constellation Cygnus... |
61 | 201092 | 104217 | 6.05 | 8.33 | 11 | K7V | component of the 61 Cyg system | |||
203439 | 105432 | 6.05 | −0.29 | 605 | A1V | ||||||
188793 | 97892 | 6.06 | 0.97 | 339 | A3V | ||||||
V2130 Cyg | 197018 | 101949 | 6.07 | −1.13 | 898 | B6IIIp Mn | SX Ari variable SX Arietis variable SX Arietis variables are a class of variable stars. They are high-temperature analogues of Alpha2 Canum Venaticorum variables and exhibit strong magnetic fields and intense He I and Si III spectral lines. They have brightness fluctuations of approximately 0.1 magnitudes with periods of... |
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202240 | 104765 | 6.07 | −2.62 | 1781 | F0III | ||||||
203630 | 105558 | 6.07 | 0.77 | 374 | K1III | ||||||
76 Cyg | 76 | 206538 | 107097 | 6.07 | 0.34 | 455 | A2V | ||||
186440 | 97028 | 6.08 | 1.01 | 337 | A1V | ||||||
194097 | 100486 | 6.09 | −0.26 | 607 | K2 | ||||||
185837 | 96724 | 6.10 | 0.29 | 474 | A3IV | ||||||
189127 | 98044 | 6.10 | 0.34 | 462 | G9III | ||||||
200577 | 103894 | 6.10 | −0.41 | 655 | G8III | ||||||
206731 | 107186 | 6.10 | −1.03 | 869 | G8II | ||||||
207516 | 107664 | 6.10 | 0.20 | 493 | B8V | ||||||
V1339 Cyg | 206632 | 107140 | 6.11 | −0.47 | 676 | M4.5 | |||||
187638 | 97538 | 6.12 | −0.53 | 697 | G6III | ||||||
191243 | 99145 | 6.12 | −2.83 | 2012 | B5Ib | ||||||
202923 | 105064 | 6.12 | 0.67 | 401 | A1V | ||||||
μ2 Cyg | μ2 | 78 | 206827 | 6.12 | G2V | ||||||
V2093 Cyg | 187880 | 97651 | 6.13 | −3.96 | 3396 | M3III | |||||
188149 | 97789 | 6.13 | −0.65 | 739 | K4III | ||||||
192535 | 99685 | 6.13 | −0.64 | 738 | K4III | ||||||
186927 | 97242 | 6.14 | 0.57 | 424 | A2V+... | ||||||
187372 | 97372 | 6.14 | −1.74 | 1230 | M2III | ||||||
V2100 Cyg | 189775 | 98379 | 6.14 | −0.72 | 769 | B5III | α2CVn variable | ||||
190964 | 98915 | 6.14 | −0.64 | 741 | M1IIIa | ||||||
195964 | 101285 | 6.14 | −0.87 | 821 | K5III | ||||||
203096 | 105229 | 6.15 | −2.43 | 1698 | A5IV | ||||||
189296 | 98111 | 6.16 | 1.50 | 279 | A4Vn | ||||||
190781 | 98858 | 6.16 | −0.09 | 579 | A2IV | ||||||
206040 | 106771 | 6.16 | −0.33 | 647 | K1III | ||||||
206509 | 107041 | 6.16 | −0.51 | 703 | K0III | ||||||
186121 | 96805 | 6.17 | −1.99 | 1399 | M2III | ||||||
199892 | 103532 | 6.17 | 0.40 | 465 | B7III | ||||||
202862 | 105101 | 6.17 | −1.57 | 1152 | B7Vn | ||||||
205114 | 106267 | 6.17 | −1.56 | 1148 | G2Ib+... | ||||||
205551 | 106518 | 6.17 | −2.32 | 1630 | B9III | ||||||
187038 | 97307 | 6.18 | 0.92 | 367 | K2 | ||||||
190771 | 98921 | 6.18 | 4.80 | 62 | G5IV | ||||||
200527 | 103828 | 6.18 | −1.71 | 1235 | M3Ib-II: | ||||||
202314 | 104822 | 6.18 | −3.18 | 2433 | G2Ib | ||||||
191096 | 98946 | 6.19 | 2.60 | 170 | F4V | ||||||
196379 | 101556 | 6.19 | −5.54 | 7244 | A9II | ||||||
CP Cyg | 205939 | 106752 | 6.19 | −0.35 | 661 | A7III | variable | ||||
194220 | 100515 | 6.20 | 1.17 | 331 | K0IIIvar | ||||||
195820 | 101245 | 6.20 | 1.06 | 348 | K0III | ||||||
V1619 Cyg | 207857 | 107856 | 6.20 | −1.39 | 1072 | B9p HgMn | α2CVn variable | ||||
44 Cyg | 44 | 195593 | 101214 | 6.21 | −2.22 | 1583 | F5Iab | ||||
196642 | 101756 | 6.21 | 1.19 | 328 | K0III | ||||||
186307 | 96907 | 6.22 | 1.62 | 272 | A6V | ||||||
188074 | 97700 | 6.22 | 2.12 | 215 | F2V | ||||||
193702 | 100268 | 6.22 | 1.03 | 355 | A1V | ||||||
181960 | 94974 | 6.23 | 0.53 | 450 | A1V | ||||||
189942 | 98563 | 6.23 | −1.21 | 1003 | K0III | ||||||
193944 | 100295 | 6.23 | −2.26 | 1630 | K5 | ||||||
202720 | 105034 | 6.23 | −0.89 | 865 | K2 | ||||||
185955 | 96706 | 6.25 | 0.79 | 402 | K0III | ||||||
16 Cyg 16 Cygni 16 Cygni or 16 Cyg is a triple star system approximately 70 light-years away from Earth in the constellation of Cygnus. It consists of two Sun-like yellow dwarf stars, 16 Cygni A and 16 Cygni B, together with a red dwarf, 16 Cygni C... |
c | 16 | 186427 | 96901 | 6.25 | 4.60 | 70 | G5V | component of the 16 Cyg system; has a planet Extrasolar planet An extrasolar planet, or exoplanet, is a planet outside the Solar System. A total of such planets have been identified as of . It is now known that a substantial fraction of stars have planets, including perhaps half of all Sun-like stars... (b 16 Cygni Bb 16 Cygni Bb or 16 Cyg Bb is an extrasolar planet approximately 70 light-years away in the constellation of Cygnus. The planet was discovered orbiting the sun-like star 16 Cygni B, one of two solar-mass components of the triple star system 16 Cygni... ) |
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207446 | 107637 | 6.25 | −0.41 | 701 | K5 | ||||||
183986 | 95953 | 6.26 | −0.57 | 758 | B9.5III | ||||||
198513 | 102712 | 6.26 | −0.67 | 791 | B8np | ||||||
180756 | 94623 | 6.27 | 1.16 | 342 | G8III | ||||||
205349 | 106420 | 6.27 | −2.05 | 1502 | K1Ibvar | ||||||
186815 | 97070 | 6.28 | 1.83 | 253 | K2III | ||||||
192934 | 99893 | 6.28 | 0.78 | 410 | A1V | ||||||
186760 | 97033 | 6.29 | 3.02 | 147 | G0V | ||||||
198387 | 102642 | 6.29 | 3.18 | 137 | K0V: | ||||||
V819 Cyg | 188439 | 97845 | 6.30 | −3.53 | 3019 | B0.5IIIn | β Cep variable | ||||
198151 | 102530 | 6.30 | 0.79 | 413 | A3V | ||||||
181597 | 94890 | 6.32 | 0.81 | 413 | K1III | ||||||
193217 | 100016 | 6.32 | −2.49 | 1884 | K4II: | ||||||
48 Cyg | 48 | 196606 | 101765 | 6.32 | −0.58 | 784 | B8IIIn | ||||
200753 | 103949 | 6.32 | 1.79 | 263 | F0IVn | ||||||
189432 | 98320 | 6.33 | −2.33 | 1762 | B5IV | ||||||
V2136 Cyg | 198625 | 102827 | 6.33 | −0.92 | 918 | B4V | |||||
198181 | 102499 | 6.34 | 0.72 | 434 | K0 | ||||||
200723 | 103963 | 6.34 | 1.31 | 330 | F3IV | ||||||
193469 | 100155 | 6.35 | −2.98 | 2397 | K5Ib | ||||||
186776 | 97151 | 6.36 | −0.86 | 906 | M3III | ||||||
192983 | 99870 | 6.36 | 1.18 | 355 | A2Vn | ||||||
198976 | 103079 | 6.36 | 0.78 | 427 | K2 | ||||||
202710 | 105017 | 6.36 | −2.00 | 1531 | K0III+... | ||||||
205688 | 106661 | 6.36 | 1.16 | 357 | G8III-IV | ||||||
V1817 Cyg | 184398 | 96003 | 6.37 | −1.17 | 1052 | K2II-IIIcomp | RS CVn variable | ||||
186506 | 97029 | 6.37 | −1.86 | 1442 | K0 | ||||||
200740 | 103929 | 6.37 | 0.99 | 388 | K0 | ||||||
186901 | 97228 | 6.38 | −2.43 | 1884 | B9.5V | ||||||
194069 | 100434 | 6.38 | −2.01 | 1552 | G5II+... | ||||||
195066 | 100808 | 6.38 | 0.26 | 547 | B9V | ||||||
185114 | 96316 | 6.39 | 1.14 | 365 | K0 | ||||||
V2090 Cyg | 186702 | 97142 | 6.39 | −0.64 | 830 | M1III | |||||
190227 | 98701 | 6.39 | −1.31 | 1128 | K1III | ||||||
194951 | 100866 | 6.39 | −3.01 | 2470 | F1II | ||||||
203454 | 105406 | 6.39 | 4.27 | 87 | F8V | ||||||
207119 | 107398 | 6.40 | −3.20 | 2717 | K5Ib | ||||||
198237 | 102585 | 6.41 | −1.61 | 1309 | K3III | ||||||
V2173 Cyg | 208727 | 108348 | 6.42 | 985 | B8V | ||||||
V1351 Cyg | 186532 | 96919 | 6.42 | −0.44 | 767 | M5IIIa | |||||
V1765 Cyg | 187459 | 97485 | 6.42 | −2.74 | 2218 | B0.5Ibvar | β Lyr variable Beta Lyrae variable Beta Lyrae variables are a class of close binary stars. Their total brightness is variable because the two component stars orbit each other, and in this orbit one component periodically passes in front of the other one, thereby blocking its light. The two component stars of Beta Lyrae systems are... |
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198820 | 102993 | 6.42 | −2.47 | 1952 | B3III | ||||||
185268 | 96503 | 6.43 | −0.71 | 874 | B5V | ||||||
195506 | 101133 | 6.43 | 0.91 | 415 | K2+... | ||||||
185435 | 96546 | 6.44 | −2.11 | 1672 | K5 | ||||||
189377 | 98253 | 6.44 | −1.51 | 1268 | A3V | ||||||
194882 | 100714 | 6.44 | −0.88 | 948 | A3III | ||||||
207088 | 107445 | 6.44 | 0.51 | 499 | G8III | ||||||
197101 | 101900 | 6.45 | 0.88 | 424 | F2Vn | ||||||
202654 | 104962 | 6.45 | −1.94 | 1552 | B4IV | ||||||
203358 | 105390 | 6.45 | 2.13 | 239 | G8IV | ||||||
189253 | 98146 | 6.46 | 1.30 | 350 | A1V | ||||||
V1773 Cyg | 193536 | 100142 | 6.46 | −3.09 | 2650 | B2V | |||||
201836 | 104537 | 6.46 | −1.86 | 1502 | B6IV | ||||||
HD 203857 HD 203857 HD 203857 is a late type K giant star in the constellation Cygnus, located nearly 920 light years away from Sun. The star is thought to form a visual binary system with the F-type bright giant BDS 10966 A, though it's likely they are actually not gravitationally bound... |
203857 | 105637 | 6.46 | −0.79 | 921 | K5 | has a possible planet | ||||
185264 | 96396 | 6.47 | 0.11 | 609 | G9III | ||||||
185657 | 96572 | 6.47 | 0.53 | 503 | G6V | ||||||
192538 | 99719 | 6.47 | −0.98 | 1009 | A0V | ||||||
192987 | 99929 | 6.47 | −1.25 | 1140 | B6III | ||||||
195690 | 101268 | 6.47 | 3.20 | 147 | F2 | ||||||
200030 | 103596 | 6.47 | −0.39 | 767 | B9 | ||||||
X Cyg | 197572 | 102276 | 6.48 | −2.68 | 2218 | G8Ib | Cepheid variable | ||||
207673 | 107749 | 6.48 | −5.62 | 8579 | A2Ib | ||||||
V1276 Cyg | 186357 | 96988 | 6.49 | 266 | F1III | δ Sct variable | |||||
191892 | 99294 | 6.49 | −1.41 | 1240 | K0 | ||||||
V1584 Cyg | 193722 | 100250 | 6.49 | −1.38 | 1221 | B9p Si | α2CVn variable | ||||
194668 | 100651 | 6.49 | −1.77 | 1462 | B9.5III | ||||||
196134 | 101467 | 6.50 | 1.56 | 317 | K0III-IV | ||||||
198624 | 102804 | 6.50 | −1.32 | 1194 | F7V: comp | ||||||
200465 | 103822 | 6.50 | −1.68 | 1411 | A1V comp | ||||||
200595 | 103871 | 6.50 | −1.59 | 1353 | B3Vn | ||||||
HD 185269 HD 185269 HD 185269 is a seventh magnitude star approximately 153 light-years away in the constellation Cygnus. It is easily visible to binoculars, but not the naked eye.... |
185269 | 96507 | 6.67 | 3.29 | 155 | G0IV | has a planet (b HD 185269 b HD 185269 b is a hot Jupiter extrasolar planet approximately 153 light years away in the constellation of Cygnus. The minimum mass is slightly less than Jupiter and the orbital period is about one week... ) |
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WR 136 WR 136 WR 136, a Wolf–Rayet star.-References:* http://jumk.de/astronomie/big-stars/wr-136.shtml* http://www.springerlink.com/content/04205412121836v4/* http://chandra.harvard.edu/photo/2003/ngc6888/* http://www.giga-parsec.de/WRspectra.html... |
192163 | 99546 | 7.48 | −3.57 | 5279 | WN6 | Wolf–Rayet Star | ||||
HD 187123 HD 187123 HD 187123 is an 8th magnitude G-type main sequence star located approximately 156 light-years away in the constellation of Cygnus. Like our Sun, it is a yellow dwarf . Being at a distance of about 160 light-years it is not visible to the unaided eye... |
187123 | 97336 | 7.86 | 4.46 | 163 | G5 | has two planets (b HD 187123 b HD 187123 b is a typical "hot Jupiter" located approximately 156 light-years away in the constellation of Cygnus, orbiting the star HD 187123. It has a mass about half that of Jupiter and it orbits in a very tight, round orbit around the star every three days... & c HD 187123 c HD 187123 c is an extrasolar planet located approximately 156 light-years away in the constellation of Cygnus, orbiting the star HD 187123. This planet was discovered in 1998 and published in 2006. The radius of the planet's orbit is 4.80 AU, 113 times more distant from the star than first... ) |
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χ Cyg Chi Cygni Chi Cygni is a variable star of the Mira type in the constellation Cygnus.Chi Cygni shows one of the largest variations in magnitude known. Typically it brightens and fades from 5th to 13th magnitude. The average period of this brightness fluctuation is 407 days. Observed extremes were 3.3 and... |
χ | 187796 | 97629 | 7.91 | 2.78 | 346 | S7,1e: | Mira variable Mira variable Mira variables , named after the star Mira, are a class of pulsating variable stars characterized by very red colors, pulsation periods longer than 100 days, and light amplitudes greater than one magnitude in infrared and 2.5 magnitude in visual... ; Vmax = 3.62m, Vmin = 15.00m |
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R Cyg | 185456 | 8.15 | S... | Mira variable | |||||||
RT Cyg | 186686 | 97068 | 8.45 | −1.85 | 3749 | M3e | Mira variable | ||||
U Cyg | 193680 | 100219 | 8.77 | −1.00 | 2938 | R.... | Mira variable | ||||
Cygnus X-1 Cygnus X-1 Cygnus X-1 is a well-known galactic X-ray source in the constellation Cygnus. It was discovered in 1964 during a rocket flight and is one of the strongest X-ray sources seen from Earth, producing a peak X-ray flux density of 2.3 Wm−2Hz−1... |
185456 | 98298 | 8.95 | −2.23 | >6000 | O9.7Iab | V1357 Cyg; X-ray binary X-ray binary X-ray binaries are a class of binary stars that are luminous in X-rays.The X-rays are produced by matter falling from one component, called the donor to the other component, called the accretor, which is compact: a white dwarf, neutron star, or black hole.The infalling matter releases... one component being a black hole Black hole A black hole is a region of spacetime from which nothing, not even light, can escape. The theory of general relativity predicts that a sufficiently compact mass will deform spacetime to form a black hole. Around a black hole there is a mathematically defined surface called an event horizon that... |
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47 Cyg B | 47 | 196094 | 9.40 | K2Ib+... | component of 47 Cyg system | ||||||
HAT-P-11 HAT-P-11 HAT-P-11, also designated GSC 03561-02092, is an orange dwarf metal rich star about 123 light-years away in the constellation Cygnus. This star is notable for its relatively large rate of proper motion. The magnitude of this star is about 9, which means it is not visible to the naked eye but can be... |
9.59 | 6.69 | 123 | K4 | has a transiting planet (b HAT-P-11b HAT-P-11b is an extrasolar planet orbiting the star HAT-P-11. This planet was discovered by the transit method and submitted for publication on January 2, 2009.... ) |
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Campbell's star | 184738 | 96295 | 10.45 | WC... | V1966 Cyg | ||||||
HAT-P-7 HAT-P-7 HAT-P-7 is a yellow white dwarf star located about 1044 light-years away in the constellation Cygnus. The apparent magnitude of this star is 10.5, which means it is not visible to the naked eye but can be seen with a small telescope on a clear dark night.-Planetary system:This star has one known... |
10.5 | 1044 | F8 | has a transiting Astronomical transit The term transit or astronomical transit has three meanings in astronomy:* A transit is the astronomical event that occurs when one celestial body appears to move across the face of another celestial body, hiding a small part of it, as seen by an observer at some particular vantage point... planet (b HAT-P-7b HAT-P-7b is an extrasolar planet discovered in 2008. It orbits very close to its parent star GSC 03547-01402, and is both larger and more massive than Jupiter. Due to the extreme heat it receives from its star, the dayside temperature is predicted to be 2730 K... ) |
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HAT-P-17 HAT-P-17 HAT-P-17 is a K type star about 90 ± 3 pc away. It has a mass of about 0.857 ± 0.039 M☉. It is the host of two planets, HAT-P-17b and HAT-P-17c, both discovered in 2010.- References :*... |
10.54 | 293.5 | G0 | has two planets (b & c) | |||||||
WASP-48 | 11.06 | has a transiting planet (b) | |||||||||
Kepler-6 Kepler-6 Kepler-6 is a yellow giant situated in the constellation Cygnus. The star lies within the field of view of the Kepler Mission, which discovered it as part of a NASA-led mission to discover Earth-like planets... |
13.8 | 4.4 | 2522 | G4 | has a transiting planet (b Kepler-6b Kepler-6b is an extrasolar planet in the orbit of the unusually metal-rich Kepler-6, a star in the field of view of the NASA-operated Kepler spacecraft, which searches for planets that cross directly in front of, or transit, their host stars. It was the third planet to be discovered by Kepler.... ) |
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Kepler-5 Kepler-5 Kepler-5 is a star located in the constellation Cygnus in the field of view of the Kepler Mission, a NASA project aimed at detecting planets in transit of, or passing in front of, their host stars as seen from Earth. One closely orbiting, Jupiter-like planet, named Kepler-5b, has been detected... |
13.9 | 3.3 | 4167 | F8 | has a transiting planet (b Kepler-5b Kepler-5b is one of the first five planets discovered by NASA's Kepler spacecraft. It is a Hot Jupiter that orbits a subgiant star that is more massive, larger, and more diffuse than the Sun is... ) |
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Kepler-11 Kepler-11 Kepler-11 is a sun-like star slightly larger than the Sun in the constellation Cygnus, located some 2,000 light years from Earth. It is located within the field of vision of the Kepler spacecraft, the satellite that NASA's Kepler Mission uses to detect planets that may be transiting their stars... |
14.2 | 1999 | G | has six transiting planets (b Kepler-11b Kepler-11b is an exoplanet discovered in the orbit of the star Kepler-11 by the Kepler spacecraft, a NASA-led mission to discover Earth-like planets. Kepler-11b is four times more massive and twice as large as Earth, but it has a lighter density estimated at a little over half Earth's, and is... , c Kepler-11c Kepler-11c is an exoplanet discovered in the orbit of the sun-like star Kepler-11 by the Kepler spacecraft, a NASA telescope aiming to discover Earth-like planets. It is the second planet from its parent star, and is most likely a water planet with a thin hydrogen–helium atmosphere. Kepler-11c... , d Kepler-11d Kepler-11d is an exoplanet discovered in the orbit of the sun-like star Kepler-11. It is named for the telescope that discovered it, a NASA spacecraft named Kepler that is designed to detect Earth-like planets by measuring small dips in the brightness of their host stars as the planets cross in front... , e Kepler-11e Kepler-11e is an exoplanet discovered in the orbit of the sunlike star Kepler-11. It is the fourth of six planets around Kepler-11 discovered by NASA's Kepler spacecraft. Kepler-11e was found by using the transit method, in which a the dimming effect that a planet causes as it crosses in front of... , f Kepler-11f Kepler-11f is an exoplanet discovered in the orbit of the sunlike star Kepler-11 by NASA's Kepler spacecraft, which searches for planets that transit their host stars. Kepler-11f is the sixth planet from its star, orbiting one fourth of the distance of the Earth from the Sun every 47 days... & g) |
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V1500 Cyg V1500 Cygni V1500 Cygni or Nova Cygni 1975 was a bright nova occurring in 1975 in the constellation Cygnus.V1500 Cygni was discovered on August 29 and reached magnitude 1.7 on the next day. It remained visible to the naked eye for about a week... |
17.1 | Nova Nova A nova is a cataclysmic nuclear explosion in a star caused by the accretion of hydrogen on to the surface of a white dwarf star, which ignites and starts nuclear fusion in a runaway manner... Cygni 1975; Vmax = 2.0m |
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V476 Cyg V476 Cygni V476 Cygni or Nova Cygni 1920 was a nova which occurred in the constellation Cygnus in 1920. It reached a brightness of 2.0 mag. Nowadays its brightness is 17.09 mag.Coordinates :*Right ascension: 19h 58m 24,6s*Declination: +53° 37’ 07"... |
~200 | Nova Cygni 1920; Vmax = 2.0m | |||||||||
V1668 Cyg V1668 Cygni V1668 Cygni was a nova that appeared in the constellation Cygnus in 1978 with a maximum brightness of 6th apparent magnitude.... |
Nova Cygni 1978; Vmax = 6.0m | ||||||||||
AFGL 2591 AFGL 2591 |- style="vertical-align: top;"| Distance | 3261.6 LyAFGL 2591 is a young, massive star in the constellation Cygnus. It is more than 3,000 light-years from Earth, at least 10 times the size of the Sun, and over 20,000 times as bright... |
3261.6 | associated Rfn Nebula | |||||||||
V1974 Cyg V1974 Cygni V1974 Cygni or Nova Cygni 1992 was a relatively bright nova in the constellation Cygnus.It was discovered on February 19, 1992 by Peter Collins. At that time it was magnitude 6, the maximum magnitude reached was 4.4. The hydrogen burning on the white dwarf ended two years later, in 1994. This nova... |
Nova Cygni 1992; Vmax = 4.5m |