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Topic: Eta Ursae Majoris


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In the News (Wed 30 Dec 09)

  
  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.
Eta Ursae Majoris (Alkaid) is the final star in the handle of the big dipper, and is sometimes referred to as "Benetnasch".
www.sciencecenter.net /whatsup/06/umjstars.htm   (2311 words)

  
 The Brightest Stars
Alpha Ursae Majoris Dubhe 11 04 +61.8 142.8 +51.0 K0III+F0V 1.80 -1.09 26.38 0.53 124 35.
Psi Ursae Majoris 11 10 +44.5 165.8 +63.2 K1III 3.00 -0.27 22.21 0.68 147 174.
Nu Ursae Majoris Alula Borealis 11 18 +33.1 190.7 +69.1 K3II 3.49 -2.07 7.74 0.79 420 283.
www.atlasoftheuniverse.com /stars.html   (4673 words)

  
 Ursa Major - Biocrawler   (Site not responding. Last check: 2007-10-08)
It’s a not-too-well known fact that the Sun and its planets are located in a somewhat enriched region of the Milky Way Galaxy, from the point of view of stellar populations and especially prevalence of bright stars in the vicinity.
At least part of the reason for this is that the Sun happens to be in the midst of a slowly dissolving star cluster, the Ursa Major Stream or “Moving Group,” of which the major stars of Ursa Major are among the chief members, to which could be added Sirius.
The Ursa Major group a real star cluster in space, which would be noticeable from any given direction for a distance of at least several hundred light years.
www.biocrawler.com /encyclopedia/Ursa_Major   (1536 words)

  
 Ursa Major
Ursa Major is a constellation visible throughout the year in the northern hemisphere.
Several galaxies are found in Ursa Major, including the pair M81[?] (one of the brightest galaxies in the sky) and M82 above the bear's head, and M101[?], a beautiful spiral northwest of η Ursae Majoris.
Hera was not pleased with the placement of Callisto and Arcas in the sky, so she asked her nurse, Tethys, to help.
www.ebroadcast.com.au /lookup/encyclopedia/bi/Big_Dipper.html   (678 words)

  
 etas - Search Results - MSN Encarta
In March 2006 the ETA announced a permanent cease-fire.
Employment and Training Administration (ETA), agency of the U.S. Department of Labor, directed by the assistant secretary of labor for employment...
Alkaid, also known as Benetnasch and Eta Ursae Majoris, one of the seven bright stars of the well-known Big Dipper.
encarta.msn.com /encnet/refpages/searchdetail.aspx?q=etas&pg=2&grp=art   (217 words)

  
 II. Egyptian Sky Charts
Ursae Majoris corresponding to right ascension 90°, that is, to the line of the Summer Solstice.
Ursae Minoris what we use as the polar star will never be that close to the Pole; at the minimal distance in 2100 A.D. it shall be at 28’.
In -2793 the original meridian was modified into one passing throught eta Ursae Majoris and alpha Virginis besides alpha Draconis that was at the Pole.
www.metrum.org /key/pyramids/second.htm   (3895 words)

  
 Ursa Major information - Search.com
Ursa Major (Ursa Maior in Latin) is a constellation visible throughout the year in the northern hemisphere.
W Ursae Majoris is the prototype of a class of contact binary variable stars, and ranges in magnitude between 7.75m and 8.48m.
Several bright galaxies are found in Ursa Major, including the pair M81 (one of the brightest galaxies in the sky) and M82 above the bear's head, and M101, a beautiful spiral northwest of η Ursae Majoris.
www.search.com /reference/Ursa_Major   (827 words)

  
 Astronomy Unbound
Eta Carinae may be 100 times more massive than our Sun.
Alpha Ursae Majoris and Epsilon Ursae Majoris are the two brightest stars in this constellation with a magnitude of 1.8.
Alpha Ursae Minoris is the brightest star in this constellation with a magnitude of 2.0.
library.thinkquest.org /C006574/constel.html   (5266 words)

  
 Star Tales – Ursa Major
At the tip of the bear’s tail lies Eta Ursae Majoris, known both as Alkaid, from the Arabic al-qa’id meaning ‘the leader’, or as Benetnasch, from the Arabic banat na’sh meaning ‘daughters of the bier’ – for the Arabs regarded this figure not as a bear but as a bier or coffin.
Gamma Ursae Majoris is called Phad or Phecda, from the Arabic word meaning ‘the thigh’.
The second leap is represented by Lambda and Mu Ursae Majoris, known as Tania Borealis and Tania Australis, while the third leap is represented by Iota and Kappa Ursae Majoris, although Iota alone bears the name Talitha, from the Arabic meaning ‘third’.
www.ianridpath.com /startales/ursamajor.htm   (1637 words)

  
 47 Ursae Majoris   (Site not responding. Last check: 2007-10-08)
The giant planet 47 Ursae Majoris b with one of its small, dead worlds 47 Ursae Majoris b is a rather promising world, orbiting its parent star at a distance where liquid water may still exist.
47 Ursae Majoris is a star with no proper name, but one that perhaps should have one, now that we know that this visually undistinguished star (magnitude 5.05) is definitely...
The UC Berkeley astronomers found the planet, which is at least three-quarters the size of Jupiter, orbiting the star 47 Ursae Majoris (47 UMa) in the Big Dipper - Ursa Major or the Big Bear - a...
handprintpoem.quantpoem.com /47ursaemajoris   (799 words)

  
 Ursa Major
Ursa Major is a large sprawling constellation, the third largest in fact.
Dubhe (Alpha Ursae Majoris) is a well-known binary, with a close 4.8m companion which orbits every 44.66 years.
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.
From Europe through Siberia and across the Bering Strait to the American northwest, many people saw a bear (the four stars of the Dipper's bowl), followed by three hunters (the three stars of the Dipper's handle.) This widespread image of a bear occurring across the globe hints at the possible great age of the constellation.
www.chabotspace.org /vsc/planetarium/thesky/constellationlore/ursamajor.asp   (901 words)

  
 61 Ursae Majoris - Memory Alpha, the Star Trek Wiki
It should be noted that from Archer's vantage point in "Home", 61 Ursae Majoris is not to the left of Polaris, but in fact far to the right, being part of the Ursa Major constellation.
It should also be noted that Sussman has stated in his podcast commentary that the biographical data was not intended to be legible to the audiance, and because of that, the bio and other displays like it, should be considered a form of "soft canon" overrided by the character's statements.
In Larry Niven's Known Space, 61 Ursae Majoris is the central star of the Kzinti's homeworld.
memory-alpha.org /en/wiki/61_Ursae_Majoris   (316 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.
He grabbed the bear by her tail, whirled her around his head (thus stretching out her tail until it was very long) and slung her up into the sky.
chabotspace.org /vsc/planetarium/thesky/constellationlore/ursamajor.asp   (901 words)

  
 Ursa Major
Ursa Major, the Greater Bear is the third largest constellation in the sky.
ε Epsilon Ursae Majoris (12h 54m +55° 58') - Alioth is an average magnitude of 1.8 and is a blue-white, class A0 star, 80 light years distant.
Mizar B is sixth magnitude and believed to be composed of three type A main sequence stars, but irregularities in the orbital path of Mizar B suggests the presence of yet another star with the period of 57 years.
starryskies.com /The_sky/constellations/ursa_major.html   (2377 words)

  
 Messier Guide: Early Spring
The general vicinity is easy to find by extending a line from Gammma Ursae Majoris (Phecda) through Alpha UMa (Dubhe) and continuing on in the same direction for the same distance.
Under decent suburban skies, the star 24 Ursae Majoris should be visible two degree farther along that same line, past M81, making it much easier to pinpoint the location.
It fits in a low-power telescopic field with Gamma Ursae Majoris, the bottom left corner of the Dipper's bowl, but it is unlikely to be visible unless that brilliant star is placed outside the field.
mysite.verizon.net /vze55p46/id15.html   (4456 words)

  
 * Eta Ursae Majoris - (Astronomy): Definition
Beta Ursae Majoris is named Merak, or "loin"; gamma is Phecda: thigh, and delta is called Megrez: root (or base) of the tail.
One of the most famed stars of the sky, second magnitude (2.06) Mizar, 78 light years away, is the Zeta star of Ursa Major, the Greater Bear, the second star in from the end of the handle of the Big Dipper,...
The star Mizar (Scientific Name Zeta Ursae Majoris) is located at right ascension 13h 23.925m and declination 54° 55.517'.
en.mimi.hu /astronomy/eta_ursae_majoris.html   (194 words)

  
 ARABIC INDEX
Asceher', Aschere', and Aschere' Aliemi'ni (a Canis Majoris), 122.
Dhi'bain, Al (z and eta Draconis), 210; (psi1 and psi2 Draconis), 212.
Mirzama' al Shi'rayain' and Al Mirzaman', B Canis Majoris and B Canis Minoris, 129.
www.sixmilesystems.com /Library/starnames.lbi   (3066 words)

  
 Amazon.com: "Eta Carinae": Key Phrase page   (Site not responding. Last check: 2007-10-08)
Eta Carinae, in the southern hemisphere, is comparable - though, as we will see, vastly stranger.
While he was at work in Cape Town, the star Eta Carinae, which had a long history of variability, brightened from insignificance until it was among the brightest in the sky.
ETA CARINAE Eta Carinae needs no dramatic buildup: almost 5 million times brighter than the Sun and 500 billion times brighter than...
amazon.com /phrase/Eta-Carinae   (593 words)

  
 The Citizen Scientist
From Ursa Major through Canes Venatici, Coma, Virgo all the way to northern Lupus, the dark sky roils with distant galaxies and clusters of galaxies.
We begin due east of Mizar (zeta Ursae Majoris- the middle star in the Big Dipper’s handle) were we find a compact region populated by faint galaxies.
The westernmost stream begins with M109 near gamma Ursae Majoris, continuing through the beautiful open cluster known as Coma Berenices merging with the Virgo Cluster of Galaxies-an outstanding field of objects.
www.sas.org /tcs/weeklyIssues_2006/2006-04-21/eos/index.html   (528 words)

  
 Arabic Star Names
.Kaf'zah al Thaniyah, Al (l, mu Ursae Majoris), 443.
.Kaf'zah al Ula, Al (nu and xi Ursae Majoris), 443.
.Ka'id Banat al Na'ash (eta Ursae Majoris), 441.
www.voynich.nu /extra/donstars.html   (3082 words)

  
 44 Bootis, i Bootis, 44i Bootis 3
It lies in the northwestern part (15:3:47.3+47:39:14.6, ICRS 2000.0) of Constellation Boötes, the Herdsman or Bear Driver -- north of Nekkar (Beta Boötis), east of Lamda Boötis, northeast of Seginus (Gamma Boötis), southwest of Edasich (Iota Draconis), southeast of Theta Boötis and Alkaid (Eta Ursae Majoris), and west of Tau and Nu Herculis.
44 Boötis is classified as an eclipsing variable of W Ursae Majoris type (that also resembles U Pegasi) because Star B has a double-lined, spectroscopic companion that is close enough to be considered a (weak thermal) shallow contact binary (Hill et al, 1989, page 96; and Jan Schilt, 1926).
This star is a yellow-orange main sequence dwarf star of possibly spectral and luminosity type G V (Nikolic et al, 1997; and Hill et al, 1989), or later spectral type.
www.solstation.com /stars2/44bootis.htm   (1206 words)

  
 Alkaid   (Site not responding. Last check: 2007-10-08)
Benetnash Alkaid, Eta Ursae Majoris, 85 Ursae Majoris.
The star Alkaid (Scientific Name Eta Ursae Majoris) is located at right ascension 13h...
Alkaid the eta, or seventh brightest, star in the constellation Ursa Major, and one of the 57 stars of celestial
search.myforum.pl /Alkaid   (602 words)

  
 WILLIAM COOPER & THE THREE BEARS
Ursa Major and Ursa Minor are the celestial signs, or symbols, of I.O.A. ” [The latter abbreviation is Jehovah sans vowels.] The word bear, as shown in Antichrist in Cancer, is an Anglo-Saxon derivative from
Ursa Major and Ursa Minor are the celestial signs, or symbols, of I.O.A. ; thus the eagle in the emblems, or Jehovah in the motto, can be translated as the Great or Little Bear, referring again to Arcadia and the Arcadians, to the Ancient British race...
One of the most famed stars of the sky, second magnitude (2.27) Mizar, 78 light years away, is the Zeta star of Ursa Major, the Greater Bear, the second star in from the end of the handle of the Big Dipper, and the Dipper's fourth brightest star.
watch.pair.com /cooper-bears.html   (4775 words)

  
 ASTRONOMICAL FORMULAE
Alpha Ursae Majoris (Dubhe) to Delta Ursae Majoris (Megrez) 10o
Alpha Ursae Majoris (Dubhe) to Eta Ursae Majoris (Alkaid).
Alpha Ursae Majoris (Dubhe) to Alpha Ursae Minoris
www.asterism.org /clubact/calcfrm3.htm   (401 words)

  
 * Zeta Ursae Majoris - (Astronomy): Definition
The star is 78 light years away according to its parallax.
8; and Mizar Zeta Ursae Majoris, the most famous double star in the sky, magnitude 2.3.
The two can be seen unaided with keen eyesight, and are easily separated with binoculars and small telescopes.
en.mimi.hu /astronomy/zeta_ursae_majoris.html   (195 words)

  
 Alkaid
Though the name may not be so well known, the star certainly is, as Alkaid is the end star in the handle of the Big Dipper, the great asterism that makes most of the grand constellation Ursa Major, the Greater Bear.
Just fainter than Dubhe, the front bowl star of the Dipper, second magnitude (1.85) Alkaid is the third brightest star in the constellation and places number 35 in the list of the brightest stars.
Though Johannes Bayer generally listed stars by Greek letter names in order of brightness within a constellation, the stars of the Dipper are named from west to east, rendering Alkaid Eta Ursae Majoris rather than Beta.
www.astro.uiuc.edu /~kaler/sow/alkaid.html   (331 words)

  
 M101 - South Dublin Astronomical Society
The binocular user though has to be content with admiring the combined light of its billions of stars as a pale grey smudge.
The galaxy is quite easy to find as it lies to the other side of Eta Ursae Majoris, the last star in the handle of the Plough, to the better known M51.
Sweep 5 northeast of Eta and you should spot the tenuous glow of the galaxy as a large roundish patch.
www.southdublinastronomy.org /wiki/M101   (174 words)

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