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・ 36 Crazyfists
・ 36 Cube
・ 36 Deadly Styles
・ 36 Degrees
・ 36 Draconis
・ 36 East 72nd Street
・ 36 Fillette
・ 36 Fugues (Reicha)
・ 36 Ghante
・ 36 Greatest Hits!
・ 36 Hours
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・ 36 Hours (1965 film)
・ 36 Hours to Kill
・ 36 meter-class floating pile driver
36 Ophiuchi
・ 36 ore all'inferno
・ 36 pasos
・ 36 Persei
・ 36 Quai des Orfèvres (film)
・ 36 royal races
・ 36 Seasons
・ 36 Serpentis
・ 36 Signal Regiment
・ 36 Signal Regiment (Canada)
・ 36 Squadron
・ 36 Tauri
・ 36 Ursae Majoris
・ 36 Vayadhinile
・ 36-bit


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36 Ophiuchi : ウィキペディア英語版
36 Ophiuchi


36 Ophiuchi is a triple star system 19.5 light years from Earth. It is in the constellation Ophiuchus.
The primary and secondary stars are nearly identical orange main sequence dwarves of spectral type K2/K1; the tertiary star is an orange main sequence dwarf of spectral type K5.
Star C is separated from the A-B pair by 700 arc seconds, compared to a minimum of 4.6 arcsec for A-B, so its effect on the movements of the A-B pair is small. A and B have active chromospheres.
== Hunt for substellar objects ==
The McDonald Observatory team has set limits to the presence of one or more planets〔 around 36 Ophiuchi A with masses between 0.13 and 5.4 Jupiter masses and average separations spanning between 0.05 and 5.2 astronomical units, although beyond 1.5 AU orbits are inherently unstable around either 36 Ophiuchi A or 36 Ophiuchi B.〔Irwin ''et al.'' (1996).〕

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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