V1668 Cygni was a nova that appeared in the northern constellation of Cygnus, situated a couple of degrees to the southeast of the star Rho Cygni. It...
8 KB (593 words) - 20:13, 10 September 2023
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
Albireo (redirect from Beta Cygni)
Albireo /ælˈbɪrioʊ/ is a double star designated Beta Cygni (β Cygni, abbreviated Beta Cyg, β Cyg). The International Astronomical Union uses the name "Albireo"...
32 KB (3,013 words) - 05:00, 8 September 2024
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
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
consisting of Epsilon Cygni, Gamma Cygni, Delta Cygni, 30 Cygni, Alpha Cygni, Nu Cygni, Tau Cygni, Upsilon Cygni and Zeta Cygni. Consequently, the Chinese...
15 KB (1,163 words) - 02:57, 16 September 2024
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
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 (1,138 words) - 18:43, 21 September 2024
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 (2,242 words) - 22:37, 12 September 2024
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
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
X Cygni is a variable star in the northern constellation of Cygnus, abbreviated X Cyg. This is a Delta Cephei variable that ranges in brightness from...
18 KB (1,545 words) - 03:41, 19 July 2024
[genitive form of constellation name] [year of discovery]" format, e.g. "Nova Cygni 1974" and "Nova Scorpii 2010". An official permanent name is usually soon...
11 KB (683 words) - 20:23, 10 September 2023
Delta Cygni (δ Cygni, 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
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
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
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
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
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
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
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
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
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
KY Cygni is a red supergiant of spectral class M3.5Ia located in the constellation Cygnus. It is approximately 4,700 light-years away. KY Cyg lies near...
10 KB (982 words) - 13:50, 5 June 2024
V380 Cygni is an eclipsing binary star in the constellation Cygnus, located about 3,800 light years away from the Earth. Its apparent magnitude ranges...
9 KB (637 words) - 14:35, 22 August 2024
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
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
Sadr Region (redirect from Gamma Cygni Nebula)
Region (also known as IC 1318 or the Gamma Cygni Nebula) is the diffuse emission nebula surrounding Sadr (γ Cygni) at the center of Cygnus's cross. The Sadr...
2 KB (167 words) - 09:08, 2 May 2024
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...
10 KB (797 words) - 11:10, 22 August 2024
BC Cygni (BC Cyg, HIP 100404, BD + 37 3903) is a red supergiant and pulsating variable star of spectral type M3.5Ia in the constellation Cygnus. It is...
9 KB (916 words) - 12:14, 2 September 2024