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Topic: Xi Ursae Majoris

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	What's Up - Deep Sky (June)
		Alpha Ursae Majoris (Duhbe) owes it's "alpha" designation not to preeminent brightness (as is usually the case in constellations), but to it's position as the first of the seven stars of the "big dipper".
		Gamma Ursae Majoris (Phecda) forms, with Beta, the bottom of the dipper's handle, and is a blue-white star very similar to Beta: 90 light years away, 75 times as bright as our sun, and also a true member of the dipper cluster.
		Xi Ursae Majoris (Alula Australis) derives the "Alula" portion of it's name from the Arabic for "the first spring"; it shares this name with the star Nu Ursae Majoris, just 1.6 degrees to the north, which is known as Alula Borealis.
	www.sciencecenter.net /whatsup/06/umjstars.htm (2311 words)

	Some Bright Spring Double Stars
		xi Ursae Majoris mags 4.3 and 4.8, sep 1.6”
		Wnc 4 Ursae Majoris mags 9.0 and 9.3, sep 50”
		Zeta Ursae Majoris (Mizar) mags 2.4 and 4.0, sep 14.4”
	www.theskyscrapers.org /content3490.html (373 words)

	Ursa Major
		Ursa Major is a large sprawling constellation, the third largest in fact.
		Xi Ursae Majoris is far to the south, marking one of the bear's feet.
		R Ursae Majoris is a Mira-type variable with period of 301.62 days, and a magnitude change from 6.5 to 13.7.
	www.dibonsmith.com /uma_con.htm (2546 words)

	Virtual Science Center
		One of the Bear's front paws is marked by the stars Iota Ursae Majoris and Kappa Ursae Majoris.
		One rear paw is marked by Lambda Ursae Majoris and Mu Ursae Majoris, and the other is marked by Nu Ursae Majoris and Xi Ursae Majoris.
		Taking pity on Arcas, Zeus transformed the young hunter into a bear cub, Ursa Minor, and slung him by his tail into the northern sky to join his mother, Ursa Major, where they both continue to guide travelers to this day.
	www.chabotspace.org /vsc/planetarium/thesky/constellationlore/ursamajor.asp?rw=yes (892 words)

	Arabic Star Names
		Fi.k'rah al Ula, Al (xi Ursae Majoris), 443.
		.Ka'id Banat al Na'ash (eta Ursae Majoris), 441.
		.Thahr al Dubb al Ak'bar (a Ursae Majoris), 437.
	www.voynich.nu /extra/donstars.html (3082 words)

	Alula Australis 4?
		Also known as Xi (or Ksi) Ursae Majoris, Alula Australis is derived from the Arabic for "first spring" or leap "south" of the "Gazelle" (whose stars have since been gathered up in Constellation Leo Minor), in combination with Alula Borealis ("north") or Nu Ursae Majoris.
		Xi Ursae Majoris Bb (HD 98230 b) appears to be too massive to be a brown dwarf
		This low-mass companion was discovered using radial velocity measurements in 1996, possibly confirming Louis Berman's discovery of a spectroscopic companion to Star B in 1931.
	members.nova.org /~sol/solcom/stars/alulaaus.htm (1929 words)

	61 Ursae Majoris
		It lies in the southeastern corner (11:41:03.02+34:12:05.89, ICRS 2000.0) of Constellation Ursa Major, the Great Bear, which also encompasses the Big Dipper or Plow (Plough) -- east of Alula Borealis (Nu Ursae Majoris) and northeast of Alula Australis (Xi or Ksi Ursae Majoris).
		As 61 Ursae Majoris has become one of the top 100 target stars for NASA's planned Terrestrial Planet Finder (TPF), images of this star and its position relative to the Milky Way in Earth's night sky are now available from the TPF-C team.
		61 Ursae Majoris is a yellow-orange main sequence dwarf star of spectral and luminosity type G8 Ve, with about 81 percent of Sol's mass, 84 to 89 percent of its diameter (Morossi and Malagnini, 1985, page 369; and Johnson and Wright, 1983, page 673), and around 57 percent of its luminosity.
	www.solstation.com /stars/61uma.htm (657 words)

	Xi Ursae Majoris
		Xi Ursae Majoris is a splendid binary, one of the most attractive in Ursa Major.
		Xi UMa is far to the south, and easiest to find from Leo Minor (which would bear studying if you plan on visiting this binary).
		From xi UMa and nu UMa you can now hop to Groombridge 1830, one of the 'fastest' stars known, with a proper motion of over 7 arcseconds.
	www.dibonsmith.com /uma_xi.htm (167 words)

	Klarus, 61 Ursae Majoris III
		A fairly young solar system, with planets subjected to frequent meteor impacts and several asteroid belts on their way to settle down.
		Regarded as a somewhat risky investment (but much better than the nearby Xi Ursae Majoris), K4H together with Birnam Ecotech set up a terraforming operation on the prebiotic terrestrial third planet together with an extensive automatic long-range impact defense.
		The terraforming operation went well, and Praeclarus was opened for colonization as early as 1512 (although full terraforming still required 200 years).
	www.orionsarm.com /worlds/Klarus.html (1540 words)

	[No title] (Site not responding. Last check: 2007-10-22)
		Evolution of Orbital Elements: Case of Xi Ursae Majoris
		We discuss the long-term behaviour of the triple system Xi Ursae Majoris (ADS 8119 = WDS 11182+3132 = HIP 55203).
		The initial conditions are the estimated masses of the components based on calculated orbital elements (Mason 1995) and the trigonometric parallaxes taken from the Hipparcos Catalogue.
	www.astro.utu.fi /tuorla/new/m60abstracts/Ninkovic.html (74 words)

	An Encyclopedia of Suns (Site not responding. Last check: 2007-10-22)
		Except for Xi Ursae Majoris, all the stars in the Encyclopedia are in the Hipparcos catalogue.
		Most of the stars in the Encyclopedia are considerably closer, and have errors well under 1 percent.
		Xi Ursae Majoris is only in the Gliese catalog, which gives an error of 13 milliarcseconds in its parallax, corresponding to a relative uncertainty of 13.5% in its distance.
	www.astronexus.com /eos/faq.php (720 words)

	Report 3 (Site not responding. Last check: 2007-10-22)
		The objective was to study the neighboring systems with respect to orbiting large-scale structures similar to those found in the Xi Ursae Majoris system.
		A sphere of roughly 30 light-years in radius was scanned and analysed from the three points.
		Given the data from Xi Ursae Majoris, the largest facilities are (just as in the case of humans) used for antimatter production, which suggests that there either exists a high demand for antimatter or that the aliens have been stockpiling it for several decades.
	www.nada.kth.se /~asa/Game/Countdown/report3.html (423 words)

	[No title] (Site not responding. Last check: 2007-10-22)
		In fact, you would have to be 4 years and 3 months old before your light hits its first star, as the nearest star to us – Proxima Centauri – is 4.22 Light Years away from us.
		According to my RSS feed, the most recent star to be hit by my Light Cone is Xi Ursae Majoris which is 27.2 light years from the earth.
		If we reverse the direction of the light, we can say that when we look at Xi Ursae Majoris in the night sky, we are looking at it as it was 27.2 years ago, and the more distant the object the further back in time we are looking.
	helium3.blogdns.com /archive/2003/12/1068 (631 words)

	Ground of Heaven
		In ancient China, Benetnash, Eta Ursae Majoris (26Vir39 - the end of the Bear's tail) was Kuan-Ti, God of War and of Averting War.
		Ursa Minor, the Little Bear, is not mentioned in Euphratean tablets, nor by Homer or Hesiod (800 BCE); there is evidence that it was originally a Phoeni-cian figure later adopted by the Greeks.
		According to Strabo, the Greeks adopted the little bear about 600 BCE when Thales, who knew of its use by the Phoenicians, suggested it to the Greek mariners in place of Ursa Major, because Polaris, the star at the tip of his tail, was by then a better indicator of true North.
	pw1.netcom.com /~ye-stars/tmacons.htm (8855 words)

	Alula Australis
		The star Alula Australis (Scientific Name Xi Ursae Majoris) is located at right ascension 13h 23.925m and declination 54° 55.517'.
		Alula Australis is a relatively bright star with a magnitude of 2.27.
		It has an Hd number of 116656, an FK5 number of 497, and a SAO number of 28737.
	www.absoluteastronomy.com /stars/alula_australis.htm (58 words)

	* Alula Australis - (Astronomy): Definition
		Steiner forces attempted to retake the world in 2463, but were soon drawn into a stalemate...
		The Arabic name for Alula Australis is Al-Qafzah al-Ula (1), The southern one of "the first leap" of the Gazelle.
		The pair Nu and Xi Ursae Majoris are called Alula Borealis and Alula Australis.
	en.mimi.hu /astronomy/alula_australis.html (214 words)

	Output of Worley Filar Micrometer (Site not responding. Last check: 2007-10-22)
		This will insure that the ``paper trail'' of the data can be followed in the future.
		Four observations of ADS 8119 (= HR 4374/4375 = STF 1523 = Xi Ursae Majoris) from Worley (1978) were selected.
		Observations from a single night are found on a single paper tape output.
	ad.usno.navy.mil /wds/history/papertape.html (825 words)

	Monthly Projects from Bluebird Observatory (Site not responding. Last check: 2007-10-22)
		Mizar, Zeta Ursae Majoris: (the horse and rider; 4th-mag.
		Alcor at 30 LY),60 LY Xi Ursae Majoris: first double star to have its orbit calculated in 1828
		Polaris, Alpha Ursae Minoris: the Pole Star, yellow supergiant star, remarkable case of a Cepheid variable that has stopped pulsating - its pulsations became smaller during the twentieth century and eventually died out completely around 1990, an example of a star evolving as astronomers watched; about 650 LY Kochab, Beta Ursae Minoris: 2nd-mag.
	www.bluebirdobs.org /MonthlyProjects/april.html (1049 words)

	Xi
		1933 Pope Pius XI encyclical "On oppression of the Church in Spain"
		1931 Pope Pius XI encyclical on Nun abbiamo bisogno Mussolini
		1922 Cardinal Achille Ratti elected Pope Pius XI
	www.brainyhistory.com /topics/x/xi.html (717 words)

	Autoscan Systems Pty. Ltd. - Proper Starnames
		Alkaid (S) - Eta Ursae Majoris, also Benetnasch.
		Phad (S) - Gamma Ursae Majoris, also Phecda, Phekda.
		Undara (S) - Epsilon Canis Majoris, also Adara, Adhara.
	www.autoscan.com.au /starname.html (2817 words)

	[No title]
		The Beta Canum Cluster is the core of what some people call the French Arm.
		In Astrogator practice the French Arm is the name given to the series of trade routes running from Sol (Earth) to Eta Bootis (Aurore) at one terminal, and a branching line to Xi Ursae Majoris, Vogelheim and Pentapod space on the other terminal.
		The French Arm is not completely correct terminology as the Vogelheim branch loops back into the "arm" creating a cluster.
	www.geocities.com /Area51/9292/2300/maps.htm (675 words)

	Xi Ursae Majoris AabBabc? System Orbits
		NOTE: This animation attempts to relate the complicated orbits (and possible habitable zones) of star groups Aab and Babc?
		in the Alula Australis (Xi Ursae Majoris) system to their respective centers of mass.
		To enlarge the display, the orbits have been arbitrarily rotated by 45 degrees.
	www.solstation.com /orbits/aluaussys.htm (617 words)

	This Week in Astronomy (Site not responding. Last check: 2007-10-22)
		Not all that exciting, since that's during the day, you can't see Mars that well during the day!
		On this date in 1780, William Herschel discovered the first binary star, Xi Ursae Majoris.
		He is also apparently the first person to call such objects, binary stars.
	www.earth.uni.edu /astroweek_may02.html (628 words)

	AV #1008 - 16mm - The Star System: XI Ursae Majoris
		AV #1008 - 16mm - The Star System: XI Ursae Majoris
		The camera zooms to within 6 light-days of XI, which reveals its companion star.
		Zooming in on the companion reveals that it, too, is a double star system with a rotation period of four da ys.
	www.sfsu.edu /~avitv/avcatalog/1008.htm (72 words)

	Xi Ursae Majoris System
		ξ Ursae Majoris Ab 53 Ursae Majoris Ab Type:
		Lots of uncertaintly all around, mainly because of the lack of data.
		It's a long shot, but it is possible for planets to orbit the combined center of mass for the binary pairs — a habitable planet might even be possible around the Ba/Bb or in the Lagrange points of the Aa/Ab pair.
	homepage.mac.com /pfhreak/scifisite/systems/a/xuma.html (159 words)

	Stars
		July 27, 2007, Psi UMa (Psi Ursae Majoris);
		HR 286 UMi = HR 286 Ursae Minoris &
		HR 4686 UMi = HR 4686 Ursae Minoris &
	www.astro.uiuc.edu /~kaler/sow/sowlist.html (1354 words)

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