Cygnus OB2 #12 is an extremely luminous blue hypergiant with an absolute bolometric magnitude (all electromagnetic radiation) of −10.9, among the most...

Cygnus OB2 is an OB association that is home to some of the most massive and most luminous stars known, including suspected Luminous blue variable Cyg...

Cygnus OB2 #8A is a double-lined spectroscopic binary located near the centre of the Cygnus OB2 association located 5,500 light years away. Until 1951...

of Cygnus OB2. One of the stars of this association, NML Cygni, is one of the largest stars currently known. The constellation is also home to Cygnus X-1...

 949–966) "CygOB2-12 and the Cygnus OB2 association". tim-thompson.com. Retrieved February 13, 2025. Knödlseder, J. (2000). "Cygnus OB2 - a young globular...

shown, Cygnus-X has a size of 200 parsecs and contains the largest number of massive protostars as well as the largest stellar association (Cygnus OB2, with...

The Cygnus Loop (radio source W78, or Sharpless 103) is a large supernova remnant (SNR) in the constellation Cygnus, an emission nebula measuring nearly...

2-2 BP Crucis (Wray 977 or GX 301-2), binary with a pulsar companion. Cygnus OB2-12 HD 5291 (Sk 56) HD 32034 (R62 in LMC) HD 37974 (R126 in LMC) HD 80077...

Cygnus A (3C 405) is a radio galaxy, one of the strongest radio sources in the sky. A concentrated radio source in Cygnus was discovered by Grote Reber...

estimated relative to Cygnus OB2 by studying the X-ray halo produced by dust between us and Cygnus X-3. The distance to Cygnus OB2 is not known precisely...

Cygnus X-1 (abbreviated Cyg X-1) is a galactic X-ray source in the constellation Cygnus and was the first such source widely accepted to be a black hole...

previously designated KOI-148, is a subgiant star in the constellation of Cygnus, about 1,000 light years away. Kepler-48 has five confirmed exoplanets....

located approximately 2,964 light-years from Earth in the constellation of Cygnus. It was identified in 2015 through an analysis of light curve data obtained...

147 148 150 Other AFGL 2591 BD+40°4210 BD+43 3654 Cygnus OB2 #8A Cygnus OB2 #12 Cygnus X-1 Cygnus X-3 G79.29+0.46 G 208-44 G 208-45 GSC 03949-00967 HAT-P-17...

luminous supergiant star located in the constellation Cygnus. It is a member of the Cygnus OB2 association and a candidate luminous blue variable. BD+40°4210...

known as NGC 7092, is an open cluster of stars in the constellation of Cygnus, sometimes referred to as the Pyramid Cluster. It is positioned two degrees...

2010). "Variability in Proto-planetary Nebulae. I. Light Curve Studies of 12 Carbon-rich Objects". The Astrophysical Journal. 709 (2): 1042–1066. arXiv:0911...

a star cluster in Large Magellanic Cloud. IC 4996 is an open cluster in Cygnus OB1. Vela R2 is a OB association in Vela Molecular Ridge. Black holes are...

(also known as PN G075.5+01.7) is a planetary nebula in the constellation Cygnus, near the Crescent Nebula (NGC 6888). The nebula derives its name from its...

Nova Cygni 1992 was a nova, visible to the naked eye, in the constellation Cygnus. It was discovered visually with 10×50 binoculars on February 19, 1992,...

habitable zone of the red dwarf Kepler-1652 about 822 light-years away in the Cygnus constellation. Discovered by NASA's Kepler spacecraft, Kepler-1652b was...

Deneb (/ˈdɛnɛb/) is a blue supergiant star in the constellation of Cygnus. It is the brightest star in the constellation and the 19th brightest in the...

region associated with the North America Nebula in the constellation of Cygnus. The gaseous contortions of this emission nebula bear a resemblance to a...

full moon is −12.74 (dimmer). Difference in magnitude: x = m 1 − m 2 = ( − 12.74 ) − ( − 26.832 ) = 14.09. {\displaystyle x=m_{1}-m_{2}=(-12.74)-(-26.832)=14...

Kepler-40, formerly known as KOI-428, is an F-type star in the constellation Cygnus. Kepler-40 is known to host at least one planet, Kepler-40b. The star is...

147 148 150 Other AFGL 2591 BD+40°4210 BD+43 3654 Cygnus OB2 #8A Cygnus OB2 #12 Cygnus X-1 Cygnus X-3 G79.29+0.46 G 208-44 G 208-45 GSC 03949-00967 HAT-P-17...

in the galaxy NGC 6946, on the northern border of the constellation of Cygnus. The star, either a red supergiant or a yellow hypergiant, was 25 times...

located about 1,340 light-years (410 parsecs) away in the constellation Cygnus. It has been hypothesized to host one or more exoplanets. Periodic variations...

900 light-years (1,500 parsecs) away from Earth in the constellation of Cygnus. The star is 10% larger and 5% hotter than the Sun. The star has at least...

(February 2014). "A High Angular Resolution Survey of Massive Stars in Cygnus OB2: Results from the Hubble Space Telescope Fine Guidance Sensors". The Astronomical...