• Thumbnail for Albireo
    Albireo (redirect from Beta Cygni)
    Albireo /ælˈbɪrioʊ/ is a double star designated Beta CygniCygni, abbreviated Beta Cyg, β Cyg). The International Astronomical Union uses the name "Albireo"...
    32 KB (3,013 words) - 05:00, 8 September 2024
  • Thumbnail for Deneb
    Deneb (redirect from Alpha Cygni)
    consisting of Deneb, Gamma Cygni, Delta Cygni, 30 Cygni, Nu Cygni, Tau Cygni, Upsilon Cygni, Zeta Cygni and Epsilon Cygni. Consequently, the Chinese name...
    29 KB (3,104 words) - 21:08, 23 August 2024
  • Thumbnail for 61 Cygni
    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) - 11:51, 22 June 2024
  • Thumbnail for Gamma Cygni
    consisting of Gamma Cygni, Delta Cygni, 30 Cygni, Alpha Cygni, Nu Cygni, Tau Cygni, Upsilon Cygni, Zeta Cygni and Epsilon Cygni. Consequently, the Chinese...
    14 KB (1,231 words) - 22:41, 17 July 2024
  • Thumbnail for Epsilon Cygni
    consisting of Epsilon Cygni, Gamma Cygni, Delta Cygni, 30 Cygni, Alpha Cygni, Nu Cygni, Tau Cygni, Upsilon Cygni and Zeta Cygni. Consequently, the Chinese...
    14 KB (1,133 words) - 01:39, 20 June 2024
  • Thumbnail for NML Cygni
    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...
    23 KB (2,260 words) - 03:45, 2 September 2024
  • Thumbnail for V1974 Cygni
    V1974 Cygni or Nova Cygni 1992 was a nova, visible to the naked eye, in the constellation Cygnus. It was discovered visually with 10×50 binoculars on...
    11 KB (1,057 words) - 01:23, 19 July 2024
  • Thumbnail for Chi Cygni
    Chi Cygni (Latinised from χ Cygni) is a Mira variable star in the constellation Cygnus, and also an S-type star. It is around 500 light years away. χ...
    32 KB (3,728 words) - 02:10, 22 June 2024
  • Thumbnail for Cygnus (constellation)
    stellar association of Cygnus OB2. One of the stars of this association, NML Cygni, is one of the largest stars currently known. The constellation is also...
    51 KB (5,864 words) - 19:05, 16 July 2024
  • Thumbnail for 16 Cygni
    16 Cygni A and 16 Cygni B, together with a red dwarf, 16 Cygni C. In 1996 an extrasolar planet was discovered in an eccentric orbit around 16 Cygni B....
    22 KB (2,051 words) - 14:13, 17 July 2024
  • Thumbnail for P Cygni
    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...
    16 KB (1,683 words) - 15:15, 18 July 2024
  • Thumbnail for Delta Cygni
    Delta CygniCygni, abbreviated Delta Cyg, δ Cyg) is a binary star of a combined third-magnitude in the constellation of Cygnus. It is also part of the...
    14 KB (1,157 words) - 05:31, 25 May 2024
  • Thumbnail for 31 Cygni
    31 Cygni, also known as ο1 Cygni, Omicron1 Cygni, ο2 Cygni or V695 Cygni, is a ternary star system about 750 light years away in the constellation Cygnus...
    11 KB (905 words) - 12:26, 23 August 2024
  • Thumbnail for V1500 Cygni
    V1500 Cygni or Nova Cygni 1975 was a bright nova occurring in 1975 in the constellation Cygnus. It had the second highest intrinsic brightness of any...
    9 KB (737 words) - 01:22, 19 July 2024
  • Thumbnail for V404 Cygni
    V404 Cygni is a microquasar and a binary system in the constellation of Cygnus. It contains a black hole with a mass of about 9 M☉ and an early K giant...
    17 KB (1,703 words) - 07:44, 28 July 2024
  • Thumbnail for Xi Cygni
    ξ Cygni (Latinised as Xi Cygni) is a spectroscopic binary star in the constellation Cygnus, made up of a K-type supergiant star (primary) and an A-type...
    7 KB (549 words) - 03:43, 19 July 2024
  • Thumbnail for V1334 Cygni
    V1334 Cygni, also referred to as ADS 14859 and HR 8157 in astronomical literature, is a star about 2350±25 light years from the Earth in the constellation...
    11 KB (948 words) - 10:20, 27 August 2024
  • Thumbnail for 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...
    6 KB (547 words) - 12:40, 5 September 2024
  • Thumbnail for 16 Cygni Bb
    16 Cygni Bb or HD 186427 b is an extrasolar planet approximately 69 light-years (21 parsecs) away in the constellation of Cygnus. The planet was discovered...
    10 KB (827 words) - 20:06, 22 December 2023
  • Thumbnail for SS Cygni
    SS Cygni is a variable star in the northern constellation Cygnus (the Swan). It was discovered in 1896 by Louisa D. Wells, a computer working under Edward...
    7 KB (700 words) - 02:15, 17 July 2024
  • Thumbnail for Luminous blue variable
    are also known as S Doradus variables after S Doradus, one of the brightest stars of the Large Magellanic Cloud. The LBV stars P Cygni and η Carinae have...
    39 KB (4,826 words) - 08:01, 1 September 2024
  • Thumbnail for V389 Cygni
    V389 Cygni, also known as HD 201433 and HR 8094, is a star about 390 light years from the Earth, in the constellation Cygnus. It is a 5th-magnitude star...
    16 KB (1,355 words) - 19:42, 12 March 2024
  • Thumbnail for AZ Cygni
    AZ Cygni (BD+45 3349) is a large red supergiant (M3 Iab) in the constellation of Cygnus. Located 2,090 parsecs (6,800 ly) from Earth, it has been studied...
    23 KB (1,998 words) - 19:38, 22 August 2024
  • Thumbnail for 32 Cygni
    32 Cygni (32 Cyg, Omicron2 Cyg, ο2 Cyg, ο3 Cyg) is a binary star system in the Cygnus constellation. It is a 4th magnitude star, which can be seen with...
    14 KB (1,152 words) - 12:00, 22 August 2024
  • Thumbnail for 52 Cygni
    52 Cygni is a giant star in the northern constellation of Cygnus with an apparent magnitude of 4.22. Based on its Hipparcos parallax, it is about 291...
    7 KB (411 words) - 13:52, 18 July 2024
  • μ Cygni, Latinised as Mu Cygni, is a binary star system in the northern constellation of Cygnus. It is visible to the naked eye as a faint point of light...
    8 KB (648 words) - 15:32, 18 July 2024
  • Thumbnail for Y Cygni
    Y Cygni is an eclipsing and double-lined spectroscopic binary star system in the constellation of Cygnus. It is located about 4,900 light-years from Earth...
    7 KB (493 words) - 10:41, 23 July 2024
  • Thumbnail for V1331 Cygni
    V1331 Cygni (also known as V1331 Cyg) is a young star in the constellation Cygnus. V1331 Cyg is located in the dark nebula LDN 981. V1331 Cygni is most...
    6 KB (473 words) - 10:54, 22 August 2024
  • Pi1 Cygni (π1 Cygni, abbreviated Pi1 Cyg, π1 Cyg) is a binary star in the northern constellation of Cygnus. It is visible to the naked eye, having a combined...
    11 KB (872 words) - 01:28, 23 August 2024
  • Thumbnail for Light-year
    a star other than the Sun, by Friedrich Bessel in 1838. The star was 61 Cygni, and he used a 160-millimetre (6.2 in) heliometre designed by Joseph von...
    24 KB (1,908 words) - 20:41, 7 August 2024