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Topic: 61 Cygni

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	61 CYGNI FACTS AND INFORMATION (Site not responding. Last check: 2007-10-21)
		61 Cygni's proper motion is so great, relatively speaking, that its apparent position shifts by an amount equal to the width of the full_moon in a mere 150 years.
		Although it appears to be a single star to the naked eye, 61 Cygni is in fact a widely separated binary system, composed of two K class (orange) main_sequence stars, 61 Cygni A and 61 Cygni B. The brighter star 61 Cygni A is of apparent_magnitude 5.2, the fainter 61 Cygni B is 6.1.
		In ''Blake's_7'', the region around 61 Cygni is the only area near Earth that has not been surveyed, since it is home to an alien race which is hostile to mankind, going so far as to release a virus on a Federation base via a piece of space debris.
	www.redabacus.com /61_Cygni (574 words)

	61 Cygni (Site not responding. Last check: 2007-10-21)
		Though it is among the least conspicuous of stars visible in the night sky to an observer without an optical instrument, 61 Cygni attracted the attention of astronomers due to its large proper motion.
		The large proper motion, greater than that of any other star visible with the naked eye, made 61 Cygni a candidate for the determination of its distance by the method of parallax when the quality of astronomical observations first made this possible.
		The brighter is of apparent magnitude 5.2, the fainter 6.1.
	www.theezine.net /6/61-cygni.html (317 words)

	61 Cygni 2
		61 Cygni was christened the "Flying Star" in 1792 by Giuseppe Piazzi (1746-1826) for its unusually large proper motion.
		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 distance from 61 Cygni A where an Earth-type planet would be "comfortable" with liquid water is centered around only 0.30 AU -- about three fourth's of Mercury's orbital distance in the Solar System.
	www.solstation.com /stars/61cygni2.htm (1092 words)

	61 Cygni (Site not responding. Last check: 2007-10-21)
		61 Cygni, a faint star in the constellation Cygnus, is very famous in the history of astronomy.
		61 Cygni's fast motion arises from its relatively near distance (10.3 light years) and a somewhat higher-than-average space velocity with respect to the rest of the Galaxy.
		The animation shows 61 Cygni's motion over 6,000 years -- a huge time in human history, but a blink of the eye on astronomical time scales.
	www.astronexus.com /3duniv/contents/anim-pages/pm-61cyg.html (208 words)

	* 61 Cyg - (Astronomy): Definition
		Friedrich Wilhelm Bessel first detected the parallax "motion" of a star in 1838 observing the star 61 Cygni (this was definitive proof that the Earth orbits the Sun, and not the other way around)...
		Prussian first to measure distance to the star 61 Cygni; proposed that Sirius has an unseen companion; worked out the mathematical analysis of what are now known as Bessel functions...
		The star marekd "61 Cygni" is known as one of the most wonderful in the whole heavens.
	en.mimi.hu /astronomy/61_cyg.html (497 words)

	61 Cygni (Site not responding. Last check: 2007-10-21)
		Although it appears to be a single star to the naked eye, 61 Cygni is in fact a widely separated binary system, composed of two K class (orange) main sequence stars, 61 Cygni A and 61 Cygni B. The brighter is of apparent magnitude 5.2, the fainter 6.1.
		61 Cygni (Star Trek) is held by many fans of Star Trek to be the home star system of the Tellarite race.
		61 Cygni A is the sun around which the planet Mesklin revolves in Hal Clement's series of short stories.
	www.worldhistory.com /wiki/6/61-Cygni.htm (574 words)

	61 Cygni
		A nearby binary star system that consists of two orange-red K-type dwarfs moving in a highly elongated orbit about each other with a mean separation of about double the distance from Pluto to the Sun; it lies in Cygnus, southeast of Sadr (Gamma Cygni) and can just be glimpsed with the naked eye.
		61 Cygni was christened the “Flying Star” in 1792 by Guiseppe Piazzi for its unusually large proper motion (the largest of any star that is visible to the naked eye).
		In the Star Trek universe, 61 Cygni is the home of the Tellarite race.
	www.daviddarling.info /encyclopedia/A/61Cyg.html (222 words)

	Houston Music 61 Cygni
		The star 61 Cygni was christened the "Flying Star" in 1792 because of its rapid motion a departure from the normal idea of the behavior of a star.
		Houston band 61 Cygni is an rapid departure from the traditional idea of what the Houston music scene is but they are very much a part of what it can be.
		61 Cygni's music can also induce an altered state of consciousness and may stimulate parts of your brain which the typical band may not have ever touched.
	www.silver-dragon-records.com /Houston_music_61_cygni.htm (457 words)

	61 Cygni
		61 Cygni is a binary system of two K type dwarfs stars 11.4 light years from Earth.
		With the advent of warp travel 61 Cygni entered the interstellar arena with a cautious attitude to outsystem mega-corps.
		Her drive was legendary and not even the gravity of Zion was said to slow here down, it was even rumoured that she managed to live on only 3 hours sleep per night as she sped around the planet in the early days helping each settlement and project.
	www.angelfire.com /realm2/comgalaxy/61_Cygni.html.html (1103 words)

	Articles - 61 Cygni (Site not responding. Last check: 2007-10-21)
		61 Cygni retains the distinction of having the largest proper motion of any star visible with the naked eye (although Groombridge 1830 at magnitude 6.4 can be seen with the naked eye under exceptionally dark skies).
		In Blake's 7, the region around 61 Cygni is the only area near Earth that has not been surveyed, since it is home to an alien race which is hostile to mankind, going so far as to release a virus on a Federation base via a piece of space debris.
		61 Cygni (or 'Swan') is the sun of the planet Sky's Edge in Alastair Reynolds'; Revelation Space universe.
	www.lastring.com /articles/61_Cygni (560 words)

	61 Cygni B (Site not responding. Last check: 2007-10-21)
		61 Cyg A has no habitable planets, however, since it's only terrestrial planet is close to the star and suffers from flares from 61 Cyg A's BY Dra variability.
		In 2092, a group was uncovered in the Callisto province on Y'barra who had beem practicing gengineering on their children for many years.
		Siberia (61 Cygni B III) - A very cold, large, rocky planet with a moderate atmosphere.
	www.astro.wisc.edu /~dolan/gurps/systems/61cygnib.html (135 words)

	* 61 Cygni - (Astronomy): Definition (Site not responding. Last check: 2007-10-21)
		The star is a double orange dwarf that lies in the constellation Cygnus 11.4 light-years away.
		Omicron-2 Cygni = 32 Cygni Chi Cygni = Chi Cygni P Cyg = P Cygni 61 Cyg = 61 Cygni...
		Stars are usually referred to by their Flamsteed numbers - for example 61 Cygni or 70 Ophiuchi - only when they are not already identified by a Greek letter...
	www.bestknows.com /astronomy/61_cygni.html (463 words)

	FOLLOW-UP: DOWSING FOR EXTRA-TERRESTRIAL INTELLIGENCE
		Gatewood claims that the 61 Cygni double star system has adequate star mass and co-orbital separation so that astrometric (movement) oscillations of the stars, caused by large planets, can be measured by using telescopes.
		The planet's period is inferred from the wobble of the star caused by the gravitational tug of the unseen planet as it orbits the star.
		61 Cygni A (the largest star in this binary system with an A and B star) was first reported to have an unseen planet as early as 1943.
	www.yaridanjo.warmkessel.com /yaridanjo/FFDowsing.html (3830 words)

	61 Cygni (Site not responding. Last check: 2007-10-21)
		61 Cygni is an attractive binary of two dwarf orange stars.
		The primary is 5.2 visual magnitude, its component is 6.1.
		61 Cygni has the distinction of being the first to have its parallax measured (in 1838).
	www.dibonsmith.com /cyg_61.htm (73 words)

	61 Cygni
		61 Cygni lies to the southeast of Deneb.
		The masses of the 61 Cygni stars are around 1/2 that of the sun and produce 1/6 as much light.
		The components of 61 Cygni will be around for tens of billions of years--long after Sirius and our sun are gone.
	www.skyhound.com /sh/archive/aug1/61.html (441 words)

	SOLAR SYSTEMS ABOUT NEARBY STARS (Site not responding. Last check: 2007-10-21)
		The mass of the outermost planet of the 61 Cygni system is too low to permit ignition of its accumulated hydrogen.
		Such a period corresponds to a 2.4 AU separation between the 61 Cygni A star and a large unseen companion - the e planet.
		Planet f in the 61 Cygni star system offers the most promising location for a planet inhabited by a sentient species.
	www.yaridanjo.warmkessel.com /yaridanjo/planets.html (3047 words)

	Indus and Pavo (Site not responding. Last check: 2007-10-21)
		Of the stars visible to the naked eye, 61 Cygni moves the fastest.
		It's less famous than 61 Cygni, in part because of its far-southerly location (in the chart above, only the top third is clearly visible from locations north of 30° north).
		At that time it will be moving across the sky much faster than either 61 Cygni or Epsilon Indi, and be almost 10 times brighter than it is now.
	www.astronexus.com /3duniv/contents/anim-pages/pm-pavo.html (194 words)

	What's Up - Featured Deep Sky Objects
		61 Cygni is a fainter naked eye star about 5.5 degrees northeast of the eastern wing star (epsilon Cygni).
		This first measurement of "parallax" gave a calculation of the stars' distance: 10 light years, very close to today's more precise estimate of 11.1.
		Compared to Deneb's 1600 light year distance, this is nothing, and it's why the motion of 61 Cygni is more obvious - they're quite close, in galactic terms (4th nearest among all naked eye visible stars).
	www.sciencecenter.net /whatsup/09/61cyg.htm (242 words)

	DIGIDAY: Star Date (Site not responding. Last check: 2007-10-21)
		Not far from the top of the cross is a binary star system called 61 Cygni.
		Yet 61 Cygni is among the most important star systems in the history of astronomy, because it was the first to have its distance from Earth accurately measured.
		In 1838, Freiderich Wilhelm Bessel measured the parallax of 61 Cygni.
	www.visionx.com /dd/main/star19980930.htm (306 words)

	CD Baby: 61 CYGNI: Binaural Beatings (Site not responding. Last check: 2007-10-21)
		The star 61 Cygni burns within the constellation Cygnus.
		The Houston band 61 Cygni cloaks itself in this same brand of velocity.
		He later joined 61 Cygni, filling in where drum machines had been used in lieu of a live drummer.
	www.cdbaby.com /61cygni (749 words)

	AllRefer.com - Friedrich Wilhelm Bessel (Astronomy, Biography) - Encyclopedia
		He became (1810) director of the new observatory at KOnigsberg and professor of astronomy at the Univ. of KOnigsberg.
		Among his many achievements the most noted is his discovery of the parallax of the fixed star 61 Cygni.
		Announced in 1838, it was officially recognized in 1841 as the first fully authenticated measurement of the distance of a star.
	reference.allrefer.com /encyclopedia/B/Bessel-F.html (291 words)

	What's Up - Featured Deep Sky Objects (Site not responding. Last check: 2007-10-21)
		Omicron 1 Cygni is the brightest of a group of stars northwest of Deneb - apparently, this cluster of three stars is just a chance alignment of stars at different distances (unlike 61 Cygni, a genuine multiple star).
		But that hardly disappoints me - the point here is the sheer loveliness of golden yellow Omicron 1, right next to a much hotter and therefore bluer star, with a pure white third luminary nearby.
		By themselves, they are like many of Cygnus's other stars - but seen from Earth, they happen to form an attractive example of contrasting star colors, and the only rival in that respect to Albireo in this part of the heavens (see above).
	www.sciencecenter.net /whatsup/09/om1cyg.htm (133 words)

	61 Cygni (Site not responding. Last check: 2007-10-21)
		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).
		Yet anyone aware of the history of astronomy knows how important the star is, as it is the first one whose distance was measured, in 1838 by Freidrich Bessel, the current best value a nearby 11.4 light years.
		The pair is also known for its high "proper motion," its angular movement against the stellar background.
	www.astro.uiuc.edu /~kaler/sow/61cyg.html (258 words)

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