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...

to 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...

spiral galaxy in the constellation Cetus 61 Ursae Majoris is located about 31.1 light-years from the Sun. [1] 61 Cygni was christened the "Flying Star" in...

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...

unchanged over the years, are: Sigma Draconis (K0 V) Epsilon Eridani (K2 V) 61 Cygni A (K5 V) Other primary MK standard stars include: 70 Ophiuchi A (K0 V)...

binaries include 61 Cygni (a binary in the constellation Cygnus, composed of two K class (orange) main-sequence stars, 61 Cygni A and 61 Cygni B, which is...

parallax measurements in 1832–1838, for the stars Alpha Centauri, Vega, and 61 Cygni. Stellar parallax is so small that it was unobservable until the 19th century...

Albireo /ælˈbɪrioʊ/ is a double star designated Beta Cygni (β Cygni, abbreviated Beta Cyg, β Cyg). The International Astronomical Union uses the name "Albireo"...

consisting of Deneb, Gamma Cygni, Delta Cygni, 30 Cygni, Nu Cygni, Tau Cygni, Upsilon Cygni, Zeta Cygni and Epsilon Cygni. Consequently, the Chinese name...

stellar parallax. In 1838 he published a parallax of 0.314 arcseconds for 61 Cygni, which indicated that the star is 10.3 ly away. Compared with the current...

motions of stars to find parallax measurement candidates. One of them, 61 Cygni, was specially appointed as a good candidate for measuring a parallax,...

generation ships were deployed to colonise a planet orbiting the star 61 Cygni (this becomes a major segment of the plot of Chasm City). The flotilla...

the German astronomer Friedrich Bessel. He showed that the star system 61 Cygni had a parallax of just 0.31 arcseconds (compared to the modern value of...

astronomical unit to 200 feet. Friedrich Bessel measured the parallax of 61 Cygni, concluding a distance of 10 light years, making him "the first man who...

in 1838, who used this approach to calculate the 3.5-parsec distance of 61 Cygni. The parallax of a star is defined as half of the angular distance that...

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....

there are "nearly twenty-five million inhabited planets in the Galaxy". 61 Cygni A star system advanced by Lord Dorwin as the potential site for a planet...

catalogue are sometimes indicated by the Greek letter sigma, Σ. Thus, 61 Cygni is also designated as Σ2758. Since most double stars are true binary stars...

This PMa offset between 61 Cyg A and B points at the possible presence of a third body in the system, likely orbiting around 61 Cyg B. Pinamonti, M.; Damasso...

mass into interstellar ships containing Corrupted warriors. Kira flees to 61 Cygni on a shuttle and discovers that the Wranaui have started a war with humanity...

data, and, when Bessel published a parallax of 0.314″ for the star system 61 Cygni, Struve revised his value for Vega's parallax to nearly double the original...

"Baby's Eyes"   6:26 12. "C'est la vie (Say the Casualties!)"   3:03 13. "61 Cygni Ave" A. Palomo J. Palomo 4:04 14. "News from the Sun (Live Bootleg)" A...

Epsilon Eridani (Ran) (10.4749±0.0037 ly) 1 (2?) planets: b (Ægir), c? 61 Cygni (11.4039±0.0012 ly) K-type main-sequence star B Epsilon Indi (11.8670±0...

the early 1900s. The first direct measurement of the distance to a star (61 Cygni at 11.4 light-years) was made in 1838 by Friedrich Bessel using the parallax...

Epsilon Eridani (Ran) (10.4749±0.0037 ly) 1 (2?) planets: b (Ægir), c? 61 Cygni (11.4039±0.0012 ly) K-type main-sequence star B Epsilon Indi (11.8670±0...

than zero by measuring the parallax of 0.314 arcseconds of a star named 61 Cygni. In the same year Friedrich Georg Wilhelm Struve and Thomas Henderson measured...

Epsilon Eridani (Ran) (10.4749±0.0037 ly) 1 (2?) planets: b (Ægir), c? 61 Cygni (11.4039±0.0012 ly) K-type main-sequence star B Epsilon Indi (11.8670±0...

Friedrich Bessel discovered a parallax of 0.314 arcseconds of the star 61 Cygni. According to Owen Gingerich and Christopher Linton, these tables were...

satellite Zaph Phthet, Director of External Relations of the planet of 61 Cygni Sergey Klimanov's Home Page. Ivan Yefremov's Works Revised 2004-08-10....

1839 after Bessel released his own accurately determined parallax for 61 Cygni in 1838. For this reason, Alpha Centauri is sometimes considered as the...