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Topic: 36 Ophiuchi

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	36 Ophiuchi System
		36 Oph B gets no closer than about eight astronomical units, meaning a body orbiting 36 Oph A would have a stable orbit at distances as far as Mars, which is much greater than the habitable zone of the star.
		36 Oph B is very similar to 36 Oph A, and has the same potential to support life.
		36 Oph C has even lower chances than 36 Oph A and B because it is much dimmer, meaning a planet would have to be closer than Mercury, and would certainly be tidally locked.
	homepage.mac.com /pfhreak/scifisite/systems/0_9/36oph.html (160 words)

	Ophiuchus
		Eta Ophiuchi is a close visual with an orbit of 88 years: 2.9, 3.4; presently the companion is at PA 247º and separation 0.6".
		36 Ophiuchi is a binary with period of 548 years, of two equal stars: 5.1, 5.1; 148º, 4.9".
		M19 is seven degrees due east of Antares (alpha Sco), or two and a half degrees west of the bright double 36 Ophiuchi (and very slightly north, less than a degree).
	www.dibonsmith.com /oph_con.htm (1193 words)

	3-D Starmaps:Alien Skies
		36 Ophiuchi's RA and Dec from Tau Ceti are RA 15
		, Dec -10°42'11", and the distance from 36 Ophiuchi and Tau Ceti is 7.630 parsecs.
		Example: 36 Ophiuchi is 17.7 light years from Sol, which is 5.43 parsecs, and it's apparent magnitude as viewed from Sol is 5.07.
	www.projectrho.com /smap05b.html (1307 words)

	36 Ophiuchi 3?
		This multiple star system is located about 19.5 light-years away in the southernmost part (17:15:20.98-26:36:10.19, ICRS 2000.0) of Constellation Ophiuchus, the Serpent Holder or Snake Charmer -- south of Theta Ophiuchi.
		The system appears to be composed of three stars, of which Star C orbits the much closer binary pair of Stars AB.
		The orbital distance where an Earth-type planet would have liquid water is centered around 0.53 AU -- just beyond the orbital distance of Mercury in the Solar System -- where the orbital period would be almost 163 days, or over a third of an Earth year.
	www.solstation.com /stars/36ophiu3.htm (530 words)

	Star System Data: 36 Ophiuchi C
		A main sequence orange-red dwarf star, 36 Ophiuchi C has only about 71% of Sol's mass and diameter, and about 8.7% of its luminosity.
		It orbits the 36 Ophiuchi AB pair at around 4400AU away and is a variable star.
		A fast spacecraft using realspace propulsion could make the journey from 36 Ophiuchi C to 36 Ophiuchi AB in about 2 years at maximum thrust.
	www.ragingtrifle.com /cthulhu_rising/showstarsystem.php?idnum=75 (110 words)

	Alan W. Irwin and Stephenson L.S. Yang (ResearchIndex) (Site not responding. Last check: 2007-10-25)
		36 Ophiuchi AB: Incompatibility of the Orbit and Precise Radial Velocities...
		If we constrain the period using the mass-luminosity relation and the observed parallax, the remaining orbit parameters can be estimated from the 170 years of visual-binary observations.
		In this paper, we further constrain the orbit by precise measurements of the differential radial velocities (with arbitrary zero points) of both 36 Oph A and B and the difference in radial velocity between...
	citeseer.ist.psu.edu /229519.html (221 words)

	Some Bright Summer Double Stars
		36 Ophiuchi (mags 5.3 and 5.3, sep 4.6”) Another twin binary (Period = 549 years), but with a wider separation that makes these golden yellow stars easy to resolve in small-aperture instruments.
		At a distance of “only” 18 light-years, 36 Oph is a relative neighbor of ours.
		70 Ophiuchi (mags 4.3 and 6.0, sep 5.0”) This rapidly moving binary (Period 88 years) has undergone tremendous changes in the past few decades.
	www.theskyscrapers.org /content2560.html (590 words)

	Star System Data: 36 Ophiuchi AB
		Star System Data: 36 Ophiuchi AB 36 Ophiuchi AB MAIN STAR: 36 Ophiuchi A
		Separated from each other by a highly eccentric orbit that takes approximately 570 years and fluctuates between 83-169AU, both stars support a small system of planets.
		Colonies in the 36 Ophiuchi AB star system are located as follows:
	www.ragingtrifle.com /cthulhu_rising/showstarsystem.php?idnum=74 (76 words)

	Korea
		Using the Deep Space Interferometry system at 36 Ophiuchi, the Koreans examined the distant coreward system of BD-21 5081, AKA Gleise 722.
		With the support of the Korean government, the Blue Valley colony on 36 Ophiuchi III is socially drifting away from Korea, asserting more local independence.
		Korea established an outpost in a woodland plateau area on the equator of 36 Ophiuchi II, called Purun Pit Ky-gok.
	mysite.verizon.net /resocu4b/Natrep/korea.htm (3290 words)

	36 Ophiuchi - Wikipedia, the free encyclopedia
		36 Oph, GJ 663 AB, 664, HR 6402/6401/-, CD CD-26°12026, HD 155886/155885/156026, GCTP 3908.00 AB/3913.00, LHS 437/438/439, SAO 185198/185199/185213, HIP 84405/84478.
		A.W. Irwin et al, "36 Ophiuchi AB: Incompatibility of the Orbit and Precise Radial Velocities", Publications of the Astronomical Society of the Pacific, July, 1996.
		Cayrel de Strobel, Y. Lebreton, M.-N. Perrin, R. Cayrel, "A thorough spectroscopic study of the very nearby triple system - 36 Ophiuchi", Astronomy and Astrophysics, vol.
	en.wikipedia.org /wiki/36_Ophiuchi (205 words)

	The Voyager Mission
		A number followed by the constellation name may also be used (e.g., 72 Ophiuchi).
		Eta Ophiuchi was assigned 0 degrees because it is approximately in the middle of the constellation.
		The other stars are "placed" right or left of Eta Ophiuchi using the degree calculation from their right ascension.
	voyager.jpl.nasa.gov /pdf/2073_Voyagerposter_back_AS.htm (4921 words)

	Astrology Constellations: Ophiuchus - Ophiuchus - tribe.net
		Most of the bulk of Ophiuchus, the Serpent Bearer, is visible in the centre of the chart.
		Pluto [the joined PL symbol in gray] is just occulting the star ζ Ophiuchi.
		36 Ophiuchi star 247 Praecedens de quatuor quae sunt in pede dextro Ophiuchus' right foot -02 15'
	ophiuchus.tribe.net /thread/1697fb3a-34e6-4a24-ba14-1eda9f1a5042 (2067 words)

	36 Ophiuchi AB System Orbits (Site not responding. Last check: 2007-10-25)
		Center of H.Z. This animation attempts to relate the orbits (and possible habitable zones) of Stars A and B in the 36 Ophiuchi AB system to their common center of mass.
		Although the initial display shows the system's actual orbital tilt (at an inclination of 99.6°) from the visual perspective of an observer on Earth, the orbital inclination of any planet that may be discovered someday around either star would likely be different from those of the habitable zone orbits depicted here.
		(At about at over 4,400 to 5,400 AUs away, 36 Ophiuchi C is too far away to depict here.)
	www.solstation.com /orbits/36ophsys.htm (101 words)

	Philosophy Forum > Practical Interstellar Travel
		Epsilon Eridani K2 10.5 70 Ophiuchi K0 16.59
		LP 731-58 M6.5 14.76 36 Ophiuchi K1 19.52
		BD+68 946 M3.5 14.77 36 Ophiuchi K1 19.52
	forum.darwinawards.com /lofiversion/index.php/t2066-50.html (2083 words)

	Ophiucus - Memory Alpha - A Wikia wiki
		Since the colony on Ophiucus III seems to be a Human settlement, the following is a list of the nearest stars from Sol in Ophiuchus, one of which the planet might orbit:
		Alpha Ophiuchi or "Ras Alhague": 60 light years
		The Star Trek Star Charts suggest 36 Ophiuchi to be the location of the Ophiucus system, of which the primary and secondary stars are an orange main sequence dwarf of spectral class K1 and the tertiary star of spectral class K5.
	memory-alpha.org /en/wiki/Ophiucus_system (180 words)

	The HYG Database \| The Astronomy Nexus (via CobWeb/3.1 planetlab2.isi.jhu.edu) (Site not responding. Last check: 2007-10-25)
		By contrast the Gliese catalog breaks all known multiple stars, excluding those too close to be separated optically, into their components, and gives each one a magnitude.
		For example, the spectral type of 36 Ophiuchi B (a double star that was merged in Hipparcos) is given as K2 III (giant), when its luminosity clearly indicates K2 V (main sequence).
		Also, the star HIP 84720 (Gliese 666 A) is listed as M0 V, whereas its luminosity and color index are more consistent with a late G-type star (about G8 V).
	astronexus.com.cob-web.org:8888 /node/34?PHPSESSID=650a67b5e89614b40012356993218756 (1616 words)

	Nigeria
		Although many plan to move further in the future when transport permits, New Port Harcourt is now jammed to the hilt with 100,000 people rather than the 4,000 initially envisioned.
		Nigeria used the New Port Harcourt colony as a pit stop for hibernators, bringing Ruiqi (26 Ophiuchi) within range of hibernation ships.
		The region offers somewhat fewer good sites for power plants, and the choppy terrain interferes with the efficient laying of utility lines, but the Nigerian colonists seem to have concluded that the rock outcroppings offer shelter from the solar radiation of 36 Ophiuchi, and the colonists there need somewhat less protection from their sun.
	mysite.verizon.net /resocu4b/Natrep/nigeria.htm (2307 words)

	Rho Ophiuchi, Antares Region - ©Spaceshots Prints at AllPosters.com (Site not responding. Last check: 2007-10-25)
		Rho Ophiuchi, Antares Region - ©Spaceshots Prints at AllPosters.com
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	www.allposters.com /-sp/Rho-Ophiuchi-Antares-Region-Spaceshots_i390713_.htm?aid=85559222 (50 words)

	Astronomical League Double Star Observing Log (Site not responding. Last check: 2007-10-25)
		Looks like pretty colors, transp pretty bad, dew on and off so contrast on and off, and color certainty not, but noted orange and blue.
		Really seen to better effect in a rich field scope where they stand out from the field.
		Name:Enif San Jose 2005-7-1 1h16m (TU + -7h00m) limiting mag 3.6 seeing 7/10 254mm f/5.5 Dob 81x - 17mm plossl Pretty grouping, tough call which is the companion star.
	www.wgg.com /scope/dbl.html (5829 words)

	Celestia -- A Stargazer's Log (via CobWeb/3.1 planetlab2.isi.jhu.edu) (Site not responding. Last check: 2007-10-25)
		Apart from being rated as moderate to difficult for small telescope users, three prominent and outstanding multiple stars live in Orion; all of which, however, are usually ignored in favor of the more famous and spectacular faint fuzzies found nearby.
		Easiest of these is Sigma Orionis (4.0,10,7.5 O9,B3,A2 11") at Ra 05 38.7 Dc -02 36.
		Drag out the telescope(s) and examine Sigma carefully.
	www.nightskyalmanac.com.cob-web.org:8888 (2726 words)

	Alliance Timeline
		Quetzalcoatl (36 Ophiuchi A II) and Tezcatlipoca (36 Ophiuchi B IV) terraforming begun
		36 Oph/Gl 667, 36 Oph/δ Pav trade routes established
		Wanklar enter Gliese 892 System, contact with Wanklar
	homepage.mac.com /pfhreak/scifisite/timelines/alliance/alliance.html (320 words)

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