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Topic: Epsilon Sagittarii


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In the News (Thu 16 Feb 12)

  
  Encyclopedia: List of brightest stars
Alioth, Epsilon Ursae Majoris, is the brightest star in the constellation Ursa Major and, at magnitude 1.
Epsilon Orionis (ε Ori / ε Orionis) is a large blue star in the constellation of Orion.
Epsilon Canis Majoris (ε CMa / ε Canis Majoris), is the second brightest star in the constellation Canis Major, and one of the brightest stars in the nighttime sky.
www.nationmaster.com /encyclopedia/List-of-brightest-stars   (4101 words)

  
 Sagittarius - Wikipedia, the free encyclopedia
Sagittarii) form an easily recognizable asterism called the Teapot.
The symbol for Sagittarius is the centaur or archer.
Alpha Sagittarii, Rukbat, Rucba, Rukbat al Rami, Alrami
en.wikipedia.org /wiki/Sagittarius   (628 words)

  
 * Lambda Sagittarii - (Astronomy): Definition   (Site not responding. Last check: 2007-10-17)
Sagittarii Ascella = Zeta Sagittarii Eta Sgr = Eta Sagittarii Kaus Borealis = Lambda Sagittarii Polis = Mu Sagittarii Albaldah = Pi Sagittarii Nunki = Sigma...
Gamma Sagittarii is Alnasl, from the Arabic meaning ‘the point’, referring to the tip of the archer’s arrow.
Kaus Borealis is a relatively dim star with a magnitude of 3.
www.mimihu.com /astronomy/lambda_sagittarii.html   (134 words)

  
 Najjaśniejsze Gwiazdy   (Site not responding. Last check: 2007-10-17)
Epsilon Sagittarii Kaus Australis 18 24 -34.4 359.2 -9.8 B9.5III 1.79 -1.44 22.55 1.02 145 36.
Delta Sagittarii Kaus Meridionalis 18 21 -29.8 3.0 -7.2 K2II 2.72 -2.14 10.67 0.93 310 118.
Pi Sagittarii Albaldah 19 10 -21.0 15.9 -13.3 F2II 2.88 -2.77 7.41 0.69 440 153.
www.atlas-wszechswiata.pl /stars.html   (4595 words)

  
 Sagittarius
Sagittarii is a fixed binary with faint companion: 5.0, 10.8; PA 97º and separation 2.5".
R Sagittarii is a long-period variable fluctuating from 6.7 to 12.8 every 269.84 days.
The star is found two degrees NE of pi Sagittarii, or just past the midpoint of a line between pi and rho Sgr.
www.dibonsmith.com /sgr_con.htm   (1248 words)

  
 Les étoiles les plus brillantes   (Site not responding. Last check: 2007-10-17)
Epsilon Canis Majoris Adhara 06 59 -29.0 239.9 -11.3 B2II 1.50 -4.10 7.57 0.57 430 23.
Sigma Sagittarii Nunki 18 55 -26.3 9.5 -12.4 B3V 2.05 -2.14 14.54 0.88 220 53.
Zeta Sagittarii Ascella 19 03 -29.9 6.9 -15.5 A2IV+A4V 2.60 0.42 36.61 1.37 89 102.
atunivers.free.fr /stars.html   (4639 words)

  
 Najjaśniejsze Gwiazdy
Epsilon Leporis 05 05 -22.4 223.3 -32.7 K5III 3.19 -1.02 14.39 0.68 225 209.
Epsilon Gruis 22 49 -51.3 338.3 -56.5 A3V 3.49 +0.49 25.16 0.68 130 285.
Epsilon Tauri Ain 04 29 +19.2 177.6 -19.9 K0III 3.53 +0.15 21.04 0.82 155 297.
wszechswiat.astrowww.pl /stars.html   (4595 words)

  
 Messier Guide: Late Summer
M25 is a 4.5-degree star-hop from Mu Sagittarii, or if you are already pointing at M24, you may be able to find it by moving due E. It may also be visible to the naked eye under good suburban skies.
Epsilon Sagittarii, the star at the SW corner of the Teapot, is the brightest star in the constellation at mag 1.8, making it quite prominent even under urban skies at latitude 42N, where it never rises more than 14 degrees off the horizon.
For now, I will only comment that Epsilon Lyrae, Vega's partner at the far N tip of Lyra, is the famous Double Double, resolvable into two tight pairs of stars at 100X or higher.
home1.gte.net /vze55p46/id20.html   (7397 words)

  
 Untitled Document
The bow is marked by the stars lambda, delta and epsilon Sagittarii.
Epsilon Sgr, 18 h 24m -34 degrees, (Kaus Australis, "southern part of the bow"), mag.
Closely by this feature is the apparently brightest of the star associated with the Lagoon Nebula, 9 Sagittarii (mag 5.97, spectral class 05), which surely contributes a lot of the high energy radiation which excites the nebula to shine.
www.eso.org /outreach/eduoff/edu-prog/catchastar/CAS2002/cas-projects/bulgaria_m8_1   (2578 words)

  
 * Alnasl - (Astronomy): Definition
Delta (Kaus Medius), gamma (this star Alnasl) and epsilon (Kaus Australis), was the Akkadian Sin-nun-tu, or Si-nu-nu-tum, "the Swallow".
Rukbat = Alpha Sagittarii Arkab Prior = Beta-1 Sagittarii Alnasl = Gamma Sagittarii Kaus Media = Delta Sagittarii Kaus Australis = Epsilon Sagittarii Ascella...
Beta Sagittarii is called Arkab, from the Arabic name meaning ‘the archer’s Achilles tendon’.
en.mimi.hu /astronomy/alnasl.html   (91 words)

  
 * Kaus Australis - (Astronomy): Definition
While the asterism of the bow is quite apparent,...
Delta, Epsilon and Lambda Sagittarii are respectively called Kaus Media, Kaus Australis and Kaus Borealis.
In the search for a source for raw materials to fuel their industry, traders from Kaus Media quickly discovered that their nearest neighbor, Kaus Australis, suffered from the opposite plight, surrounded by abundant and valuable raw materials,...
en.mimi.hu /astronomy/kaus_australis.html   (199 words)

  
 Sagittarius
(alpha) Sagittarii (Rukbat, knee, or Al Rami, the archer) is a magnitude 4.0 blue-white star 170 light years away.
It is one of the many examples where the star labelled a (alpha) is not the brightest.
(epsilon) Sgr (Kaus Australis, southern part of the bow), is a magnitude 1.9 blue-white star 145 light years away.
dragonstar5.com /sagittarius.htm   (1155 words)

  
 Encyclopedia: Sagittarius
The apparent magnitude (m) of a star, planet or other heavenly body is a measure of its apparent brightness; that is, the amount of light received from the object.
Zeta Sagittarii (ζ Sgr / ζ Sagittarii) is the third brightest star system in the constellation Sagittarius.
Delta Sagittarii (δ Sgr / δ Sagittarii) is a star in the constellation Sagittarius.
www.nationmaster.com /encyclopedia/Sagittarius   (5378 words)

  
 Orion Press Lexicon On-line: Subjects E   (Site not responding. Last check: 2007-10-17)
Epsilon Indi: home system of the Andorians, and the star system in which the planet Triacus is located; an orange K5 star 11.4 lightyears from Sol about 80% of the diameter of Sol and with only 13% of its luminosity; the star system does not contain any gas giant planets (BCH, TOS tm, OU)
Epsilon Orionis (Alnilam): the central star in the "Belt" of Orion; a blue B0 supergiant star; 1690 lightyears from Sol; the star is surrounded by a faint and formless nebula; located a few days away from Starbase 11 at warp factor 12 (BCH, OU)
Epsilon Orionis VII: a class M planet near several major rear-echelon Federation traffic and shipping lanes; surveyed for use as a rescue facility and major Federation hospital in 2273; a Klingon monitoring post was discovered and eradicated; has one major continent (relatively small in size) (OU)
www.fastcopyinc.com /orionpress/ReferencesOnLine/lexicon1994-E.htm   (3488 words)

  
 2005 August Deepsky delights
Wander 2.5 degrees further down "globular alley" to M 70, the smallest and faintest of the three Messier globular clusters situated between Epsilon and Zeta Sagittarii.
On our way to Zeta Sagittarii the brilliant M 54 can be seen, more distant than its neighbors, but famous for its association with the Sagittarius Dwarf Galaxy.
Although it is the farthest of all the Messier globular clusters at a distance of nearly 70 000 light years, M 54 shows up as a blazing light with a large compressed core and wide outer hazy halo with no stars resolved.
www.saao.ac.za /assa/html/2005_august_deepsky_delights.html   (1057 words)

  
 Sagittarii   (Site not responding. Last check: 2007-10-17)
Zeta Sagittarii (Ascella, the Archer's Armpit) is the southern-most star in the central trapezoid...
Kaus Borealis (Lamda Sagittarii) and Nunki (Sigma Sagittarii); and south of...
Spectroscopy of RY Sagittarii during the 1993 minimum- Spectroscopy of RY Sagittarii during the 1993 minimum Spectroscopy of RY Sagittarii during the 1993 minimum The R Coronae Borealis (RCB) star RY Sgr underwent a deep minimum (Delta(V) approximately 7m5) in 1993.
www.which-tarot.com /133/sagittarii.html   (623 words)

  
 Sagittarius
It is 6.2° north of Kaus Borealis (Lambda Sagittarii, the tip of the "teapot's" lid).
NGC6569 (Bennett 106) is a globular cluster located in the "spout" of the "teapot", 3.8° south-east of Alnasl (Gamma-2 Sagittarii).
In this case, the magnitude estimate is relatively accurate, and the cluster harder to resolve than NGC6522.
xfer.s5.com /rasc/sag/sagittarius.html   (1910 words)

  
 Deep Sky for July
This entire area around Sagittarius and Scutum is so rich it is a great place to leisurely sweep with binoculars or a rich field telescope.
Find the area by starhopping from xi Sagittarii to rho Sagittarii, then extend beyond rho the same distance.
I think of its position as the "missing star" in a parallelogram formed by beta, gamma and epsilon Cygni.
ephemeris.sjaa.net /0207/e.html   (890 words)

  
 Crater   (Site not responding. Last check: 2007-10-17)
Principal stars are: Rukbat (Airami) Alpha Sagittarii, magnitude 4.0; Arkab Prior Beta Sagittarii, magnitude 4.0; Kaus Australis Epsilon Sagittarii, magnitude 1.8; Kaus Media Alpha Sagittarii, magnitude 2.7.
Capricornus is one of the zodiacal constellations and represents a goat with the tail of a fish.
Perseus is home to the Perseus cluster of galaxies, and in particular NGC 1275, an odd galaxy which is home to a strong radio source, Perseus A. Here one can find the famous winking star, Algol, the archetype eclipsing binary which is said to represent the evil eye of the Gorgon.
sg-1.tv /constellations   (5512 words)

  
 Galactic Central, Trantor
When Charles Messier cataloged this object on May 23, 1764 he also primarily described the cluster, and mentioned the nebula separately as surrounding the star 9 Sagittarii; his original position is closer to the modern position of the cluster than to that of the nebula.
This feature was discovered by John Herschel and occurs in a region where a vivid star formation process appears to take place currently; the bright emission is caused by heavy excitation of very hot, young stars, the illuminator of the hourglass is the hot star Herschel 36.
Closely by this feature is the apparently brightest of the stars associated with the Lagoon Nebula, 9 Sagittarii, which surely contributes a lot of the high energy radiation which excites the nebula to shine.
www.luisprada.com /Protected/Galactic_Central_Trantor.htm   (5609 words)

  
 Hawaiian Astronomical Society - Sagittarius
Three other globulars lie within 3° of it, one of which is M22.
82k JPEG NGC6624 (Bennett 109) is a globular cluster located 48' south-east of Kaus Media (Delta Sagittarii in the top left of the Digital Sky Survey image).
116k JPEG NGC6569 (Bennett 106) is a globular cluster located in the "spout" of the "teapot", 3.8° south-east of Alnasl (Gamma-2 Sagittarii).
www.hawastsoc.org /deepsky/sgr/index.html   (2159 words)

  
 (Yet Another) Messier Catalogue
The western half, is dominated by only two main stars, the brighter of which is 9 Sagittarii (magnitude 6).
Synopsis: NGC 6531; open cluster; located in Sagittarius, between 4 Sagittarii and Mu Sagittarii; R.A. 18:04.6, dec. -22:30; magnitude 5.9; distance 900 pc (3,000 light years).
Synopsis: NGC 6637; globular cluster; located in Sagittarius, near Epsilon Sagittarii; R.A. 18:31.4, dec. -32:21; magnitude 7.7; distance 7,700 pc (25,000 light years).
www.peripatus.gen.nz /Astronomy/MesCat.html   (6035 words)

  
 Kaus Australis
The star Kaus Australis (Scientific Name Epsilon Sagittarii) is located at right ascension 18h 24.172m and declination -34° 23.083'.
Kaus Australis is a relatively bright star with a magnitude of 1.85.
It has an Hd number of 169022, an FK5 number of 689, and a SAO number of 210091.
www.absoluteastronomy.com /stars/kaus_australis.htm   (57 words)

  
 Hawaiian Astronomical Society Printable Object Descriptions - Sagittarius
NGC6624 (Bennett 109) is a globular cluster located 48' south-east of Kaus Media (Delta Sagittarii).
M18 (NGC 6613) is a rather sparse, cluster with little condensation.
Overall magnitude is 5.9, size is 13', stars estimated from mags.
www.hawastsoc.org /deepsky/sgr/print.html   (1519 words)

  
 Astronomy - Derek Haselden's astronomical lists and tables - Stars.
B epsilon Aur Almaaz 05 02.0 +43 49 2.9 - 3.8 Eclipsing 9892 F alpha Her Rasalgethi 17 14.6 +14 23 3.0 - 4.0 Semi-regular c.100 M rho Per Gorgonea Terti 03 05.2 +38 50 3.0 - 4.0 semi-regular 33-55 M P Cyg - 20 17.8 +38 02 3.0 - 6.0 Irregular ?
epsilon Gem Mebsuta 06 43.9 +25 08 094 110.3 3.0, 9.0 delta Cor Algorel 12 29.9 -16 31 214 24.2 3.0, 9.2 mu Gem Tejat 06 22.9 +22 31 077 72.7 3.0, 9.8 beta Cyg Albireo 19 30.7 +27 58 054 35.4 3.1, 5.1 Yellow & blue.
epsilon Dra Tyl 19 48.2 +70 16 015 3.1 3.8, 7.4 gamma Her - 16 21.9 +19 09 233 41.6 3.8, 9.8 b Vel - 08 40.6 -46 39 058 37.5 3.8, 10.2 alpha Del Svalocin 20 39.6 +15 55 AB 224 29.5 3.8, 13.3 AC 272 43.4 3.8, 11.8 Letter Con.
www.delscope.demon.co.uk /astronomy/tables02.htm   (2122 words)

  
 Gennaio -Febbraio 2000   (Site not responding. Last check: 2007-10-17)
Sono state perciò avanzate numerose ipotesi sulla natura di questa stella e solo nel 1982, data dell’ultima eclisse di epsilon Aurigae, forse si è riusciti a dare una risposta definitiva.
Per individuare M22 invece, a causa della sua latitudine molto bassa, occorre quantomeno servirsi di un buon binocolo: lo si punterà in direzione di gamma Sagittarii, una stella di terza grandezza, e ci si sposterà di 2,5° a NE.
Eppure una piccola galassia la si può individuare un grado a nord di 55 Sagittarii e, facendo ricorso a strumenti di almeno 40 cm.
aac.sunrise.it /cal_astr3.html   (6205 words)

  
 Observing the Sky » Connecting More “Dots”
I am further using binoculars to confirm that - peering at distant treeless and moonlit horizons.
I failed to catch Nunki rising, but I also confirm that Epsilon Sagittarii (the bottom star of the Archer’s Bow) rises at 5:26am to my southeast.
And turning about and waiting more in the peaceful and mild conditions, I get to see Pullux set at 5:40am - 2 hours exactly after Procyon.
www.observingthesky.org /index.php?p=372   (130 words)

  
 [CPS Science]Skylights
Sadachbia also has a small 12th magnitude companion 37 seconds of arc away from it, but it is merely a line of sight coincidence.
Of more significance, Sadachbia, like Kaus Australis (Epsilon Sagittarii), is a failed "Lambda Bootis" star.
Lambda Bootis stars are otherwise normal stars near class A that have unusual deficiencies in heavy elements.
www.mail-archive.com /science@lists.csi.cps.k12.il.us/msg00001.html   (1003 words)

  
 sagitario.htm   (Site not responding. Last check: 2007-10-17)
El arco corresponde a las estrellas Kaus Borealis, Kaus Media y Kaus Australis (lambda, delta y epsilon Sagittarii, respectivamente).
Una forma tradicional de ver a Sagittarius, es la forma de sus estrellas que semejan una cafetera, conformada en su conjunto con las estrellas theta Sgr, sigma Sgr, tau Sgr, zeta Sgr, lambda Sgr, delta Sgr, epsilon Sgr y gamma Sgr.
En algunas ocasiones se le llama gamma 2 Sagittarii, gracias a una compañera aparente conocida en este caso como gamma 1 Sagittarii, situada 2° al norte de Nash, conocida también como W Sagittarii, una famosa estrella variable que pasa de magnitud 4,3 a 5,1 cada 7,59 días.
www.cielosur.com /cea/constelacionespag/sagitario.htm   (1330 words)

  
 Charles Messier's Original Catalog
Maraldi, in the Memoirs of the Academy of 1746, reports of this nebula: "I have found, he says, between the stars Epsilon Pegasi and Beta Equulei, a fairly bright nebulous star, which is composed of many stars; its right ascension is 319d 27' 6", and its northern declination is 11d 2' 22".' (diam.
(June 5, 1764) `Star cluster, near the preceding [M20]: The nearest neighboring known star to these two clusters is 11 Sagittarii, 7 mag, according to Flamsteed.
(June 20, 1764) `A cluster of small stars in the neighborhood of the two previous clusters [M23 and M24], between the head and the end of the bow of Sagittarius: the nearest known star to this cluster is 21 Sagittarii, 6th magnitude, according to Flamsteed.
ftp.seds.org /messier/xtra/history/m-cat.html   (8345 words)

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