61 Cygni Ab orbits at about 0.5 AU (5⁄9 the Earth–Sun distance), and takes half an Earth year to revolve around the star. With an average visual… Read More » Deneb Cygnus holds a seminal star, one not much appreciated within the classical figure that makes the celestial Swan and its famed asterism, the Northern Cross (the Swan tipped upside-down). The diameter of this planet is 69.5 megameters, which is 4⁄7 the size of Jupiter. List of Planets [edit | edit source] 61 Cygni B I (Lanthanide World) 61 Cygni B II (Chondrite World) Bech (Organic World) Andreas (Treasure World) 61 Cygni B III (Oolite World) 61 Cygni B IV (Urea World) 61 Cygni B V (Plutonic World) 61 Cygni B VI (Crimson World) 61 Cygni B … 61 Cygni is a binary star system in the constellation Cygnus. No others have eccentricities below 0.25. While not the closest star to the sun (that honor goes to the Alpha Centauri system), 61 Cygni is just 11.4 light-years distant. 61 CYG (61 Cygni). Things came to a head in the late 1830s, when three astronomers zeroed in on different stars, spending many nights at their telescope, often under harsh conditions. Revelation Space Wiki is a FANDOM Books Community. Psi Cygni is a binary star visible in small amateur telescopes, with two white components. A year later, these claims were found to be spurious as sensitivities at the time can only go down to about 60 Jupiter masses. 19 Cygni. It takes 26.8 days to rotate once, which is roughly 80% of its year of 331⁄2 days. It is now known that 61 Cygni A and B orbit each other at an "average" distance (semi-major axis) of 86.4 times the Earth-Sun distance, or about 86 astronomical units (AUs) -- which is Take your favorite fandoms with you and never miss a beat. Georg Wilhelm Struve(1793-1864) made the first measurements of the star as a binary system. It has a diameter 57.7 Mm, which is 41⁄2 times the Earth's diameter. The surface temp is −74°F, which is Mars-like. This star, 61 Cygni, isn’t one of the brightest stars. The planet's atmosphere composes mostly of hydrogen and helium with trace amounts of methane. In 1838, Friedrich Bessel calculated the distance as 10.4 light-years, close to the modern figure. However, the maximum eccentricity during this long-term cycle is as high as 0.25, reached 260,000 years ago. 61 Cygni Ab orbits at about 0.5 AU (5⁄9 the Earth–Sun distance), and takes half an Earth year to revolve around the star. Due to the planet's closeness of the nearby star, it's rotation is slow due to tidal forces of the star. The distance varies from 0.45 to 0.77 AU for an eccentricity of 0.258. Sometimes, lakes and rivers would be dried up as liquid ammonia boiled away, while at other times, lakes and rivers would be frozen and the surface would be covered in ammonia snow. With an eccentricity of 0.47, which is the same as orbits of binary stars in this system, the distance varies from 0.46 to 1.29 AU. Take your favorite fandoms with you and never miss a beat. It orbits in a 5:1 resonance with 61 Cyg Ac and 10:1 resonance with 61 Cyg Ab, meaning every time when 61 Cyg Ad orbits the star, c orbits five times while b orbits 10 times. In 1977, Soviet astronomers suggested that this system contains three superjovian planets, two orbiting 61 Cygni A and one orbiting 61 Cygni B. 61 Cygni was the first star system (other than the Sun) to have its distance to Earth successfully calculated by Friedrich Wilhelm Bessel (1784-1846) using trigonometric parallax and the diameter of the Earth's orbit around the Sun in 1838. The description is based on the spectral class. It is a Neptune-mass planet, massing 14.6 Earth masses and has diameter of 57.8 megameters. 61 Cygni is a k5v main sequence star that can be located in the constellation of Cygnus. The planet's surface gravity is 6⁄7 of that of Earth's. The system is in Cygnus, the swan. It has the seventh highest proper motion of all stellar systems listed in the modern Hipparcos Catalogue. The planet's surface contains few bodies of water in the form of lakes that often steam. It takes 17 hours to revolve around the axis once and has similar gravitational pull to Earth. The planet has mass 5.4 times that of Earth's, that's why this planet is a super-Earth. 51 Cygni is a Main Sequence Star type star. The 61 Cygni system is exceptionally close. The planet's density is just 6⁄7 of that of water and under 1⁄6 of that of Earth's, and half the density of Neptune. These planets have semimajor axes ranging from 0.18 AU to 3.15 AU and have orbital periods from over a month to nearly seven years. Located at coordinates 25.0, 60.1, 2.6, this system was considered one of the four core systems of the Federation even in the 24th century. ; Based on the spectral type (B2V) of the star, the star's colour is blue . Because the stars are so far apart, they take many years to orbit each other – perhaps as many as 700 years. It rains ammonia on this planet, analogous to water on Earth and methane on Titan. Its eccentricity is close to the average among all the planets in this binary system. This dramatic variation would cause great deal of seasonal climate changes on this planet. Smaller and dimmer than Sol… 61 Cyg Bd takes overs 38 hours to rotate once on its axis and has 28% stronger gravitational pull than Earth, meaning an average human would weigh about 192 pounds on this planet. Star Pilots [Player] 30.2%: 8: 15.25 Ly: 43 minutes ago: BR Piscium ︎: Ross 775 for Equality: 49.5%: 8: 15.34 Ly: 3 hours ago: LHS 2459 ︎: Federal Privateers [Player] Green Party of WISE 1506+7027 61 Cygni … 61 Cygni comprises of two stars, both are K-type considerably smaller, cooler and dimmer than our Sun. The average distance of the pair from each other is 86 AUs, but the large orbital eccentricity of 0.48 means the stars approach as close as 44 AUs at periastron and are as far apart as 124 AUs at apastron during their mutual orbit. See also. 18-19) establishes that system as the location of Tellar. The stars have mass of 70% and 63% that of our Sun. Three of four planets orbiting B are rocky, all are super-Earths, and one is an ice giant midplanet. https://planetstar.fandom.com/wiki/61_Cygni_system?oldid=10788. This multiple star system is among the most interesting in the sky. 61 Cyg Be takes 25 hours and 50.4 minutes to rotate once on its axis and it rotates on its side at an axial tilt of 711⁄2°. 51 Cygni is a B2V main sequence star based on the spectral type that was recorded in the Hipparcos star catalogue. 61 Cygni Ad is the outermost of the three planets around 61 Cygni's primary star. 61 Cygni A hosts three rocky worlds, two gas giants, and a dense field of dust and large asteroids. System 61 Cygni in Elite: Dangerous - Make the most profit from here! The system also has a large proper motion due to its velocity of 108 km/s relative to our Solar System. At a density of 5.64 g/cm3, it is the densest planet of the 61 Cygni system, meaning the planet has similar structure to Earth. 61 Cygni is the first star other than our Sun to have its distance measured using the parallax. Because of its reltive faintness, 19 Cygni should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution. According to Federation: The First 150 Years, the Terra Nova colony was located around the star 61 Cygni A, a real star 11.4 light years from Earth. Nearby star system containing two orange dwarves. 61 Cygni system is a conjectured planetary system of the binary star system 61 Cygni, located 11.4 light-years away in the constellation Cygnus in the caelregio Avis. 61 Cygni had claims of a planetary system on several occasions. The wikipedia:en:61 Cygni binary star system comprises 61 Cygni A, also referred to as Swan, and a partner of unknown nickname but known formally as 61 Cygni B. 61 Cyg Ad orbits at 2.6 AU (half the distance between Jupiter and Sun) and takes five years to orbit once around the star. In 2364, the location of 61 Cygni was labeled in a star chart of the stellar neighborhood with Sol at the center. PlanetStar Wiki is a FANDOM Lifestyle Community. Because this planet orbits farther away from the parent star than 61 Cyg Ab, this planet is colder with the surface temp of −98°F. There are speculated three planets around 61 Cygni A and four around 61 Cygni B. 61 Cygni is a variable and multiple main-sequence star in the constellation of Cygnus. It moves across the sky faster than all but about a half-dozen other stars. Breakdown: Anaconda - 1 61 Cygni visual magnitude is 6.03. The system was named on Earth as part of the constellation Cygnus the swan, of which (from that and similar vantage points) it appears to be a dim member. An average eccentricity is 0.367, six times the average value of the Solar System's eccentricity. Moving very rapidly through space as seen from Earth at a rate of ~45,000 miles per hour (72,000 km/hr) Type of Star: Orange-red Main Sequence (Spectral Class K3.5 and K4) How Far Away: 11.3 light years How Big: first human-crewed interstellar colonization effort, https://revelationspace.fandom.com/wiki/61_Cygni_system?oldid=6900. 61 Cyg Bc orbits at a semimajor axis of 0.61 AU, which is 3⁄5 of the semimajor axis of Earth. 61 Cygni is a long-settled, independent Inner Sphere system notable today for possessing a massively populated planet, Trip. This super wide binary system is made up of two stars at 28 arcseconds of separation. The primary (A) is a cool K5 main sequence star that is suspected to be variable (from 5.19 to 5.27 magnitude). The planet Tellar Prime and its moon Scott are both located in this system. 61 Cygni is a binary star visible in large binoculars or a small amateur telescope. As such, the … Its eccentricity is close to the average among all the planets in this binary system. 61 Cygni (also known as the Tellar system) is a binary star system, location of the planet Tellar. It has a diameter of 23.55 Mm, which is 85% bigger than Earth. The primary is of magnitude 5.0 and the secondary is of magnitude 7.5. 61 Cyg Ac is in a 2:1 resonance with 61 Cyg Ab, which can destabilize the planet's orbit due to high eccentricity. The surface temp is −221°F, slightly colder than Saturn. This system was located approximately eleven light years from the Sol system, part of the constellation Cygnus . Although barely visual to the naked eye and appearing as a single star, 61 Cygni is actually a binary star, each which orbit around a common barycenter only every 659 years. Home > Stars > Non-Contrast Multiple Stars > 61 Cygni top The primary star, 61 Cygni A is 30% less massive than the Sun, has a spectral classification of K5 displaying a strong deep yellow / orange. 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