Xi Ophiuchi

Xi Ophiuchi
Observation data Epoch J2000.0 Equinox J2000.0 (ICRS)
Constellation	Ophiuchus
Right ascension	17^h 21^m 00.37520^s ^[1]
Declination	−21° 06′ 46.5663″ ^[1]
Spectral type	F2V ^[1]

Xi Ophiuchi (ξ Oph) is a binary star system in the constellation Ophiuchus. Its apparent magnitude is 4.39.

References

1 2 3 SIMBAD, LTT 6908 (accessed 27 December 2012)

← Celestial objects within 55–60 light-years →

Primary member type	Celestial objects by systems. Secondary members are listed in small print.

Subgiant stars

F-type	Xi Geminorum «Alzirr» (57.2±0.8 ly) HR 4989 (58.8±0.7 ly) star Psi Velorum (59.7±1.0 ly) star

G-type	Chi Eridani (57.0±0.6 ly) Pi Mensae (59.4±0.5 ly) planet b

K-type	83 Leonis (57.6±1.5 ly) star 2 planets: Bb Bc Epsilon Reticuli (59.5±0.5 ly) planet b

Main-sequence
stars

A-type	Delta Leonis «Zosma» (57.7±0.9 ly) Iota Centauri «Alhakim» (58.6±0.8 ly) Beta Arietis «Sheratan» (59.6±0.8 ly) star

F-type	Tau¹ Hydrae (56.5±2.2 ly) star q¹ Eridani (56.6±0.6 ly) planet b Xi Ophiuchi (56.7±0.9 ly) star g Lupi (57.1±0.7 ly) 58 Ophiuchi (57.2±0.8 ly) HR 5356 (58.0±1.0 ly) star HR 2401 (58.2±0.6 ly) brown dwarf Alpha Comae Berenices «Diadem» (58.3±1.5 ly) 2 stars Gamma Coronae Australis (58.4±2.1 ly) star Tau⁶ Eridani (58.5±0.7 ly) HR 3079 (58.8±0.6 ly) star Delta Geminorum «Wasat» (58.8±0.9 ly) 2 stars Rho Geminorum (58.9±0.3 ly) 2 stars Chi Cancri (59.2±1.0 ly) Eta Corvi «Avis Satyra» (59.4±0.7 ly)

G-type	HD 152391 (55.2±0.8 ly) HR 6516 (55.3±0.8 ly) star HR 2997 (55.6±0.5 ly) HD 76151 (55.8±0.8 ly) HR 7232 (56.0±0.9 ly) HR 4864 (56.0±1.0 ly) Iota Horologii (56.2±0.5 ly) planet b 37 Geminorum (56.3±0.9 ly) HR 6748 (56.6±0.8 ly) 10 Canum Venaticorum (56.7±0.6 ly) Rho Coronae Borealis (56.8±0.7 ly) planet b 39 Serpentis (57.0±0.9 ly) star 59 Virginis (57.3±0.3 ly) planet b HR 7783 (57.3±0.5 ly) HR 5384 (57.4±1.1 ly) GJ 3021 (57.5±0.5 ly) planet b 15 Sagittae (57.6±0.6 ly) brown dwarf HR 7644 (57.8±0.8 ly) planet b Iota Pavonis (57.9±0.7 ly) HR 4525 (58.0±0.8 ly) Eta Coronae Borealis (58.3±0.8 ly) star brown dwarf HD 130948 (58.5±0.9 ly) 2 brown dwarfs HD 154345 (58.9±0.6 ly) planet b 70 Virginis (59.1±0.8 ly) planet b HR 2208 (59.1±1.0 ly) HR 8314 (60.0±0.9 ly) brown dwarf

K-type	Gliese 886 (55.2±3.4 ly) brown dwarf Gliese 565 (55.3±1.0 ly) Gliese 728 (55.7±1.5 ly) HD 3765 (56.3±1.0 ly) GJ 3476 (56.4±0.6 ly) HIP 92444 (56.4±1.9 ly) GJ 3222 (56.4±0.7 ly) ADS 9544 (56.4±0.8 ly) star Gliese 727 (56.4±1.0 ly) GJ 3833 (56.5±1.0 ly) HD 184467 (56.6±0.6 ly) BD +68 278 (56.7±2.8 ly) 2 stars Gliese 293.1 (57.0±1.5 ly) star Gliese 649.1 (57.1±0.7 ly) 2 stars Gliese 241 (57.2±1.4 ly) GJ 3633 (57.2±1.0 ly) HD 113194 (57.4±1.1 ly) Gliese 562 (57.4±1.3 ly) GJ 1066 (57.5±0.9 ly) Gliese 819 (57.6±1.2 ly) 2 stars Gliese 340 (57.7±1.1 ly) star Gliese 626 (57.8±1.4 ly) HD 35650 (57.9±1.0 ly) HD 82443 (57.9±0.9 ly) star Gliese 365 (58.0±1.2 ly) V833 Tauri (58.2±1.3 ly) star brown dwarf GJ 1079 (58.5±0.8 ly) Gliese 787 (58.5±1.4 ly) Gliese 418 (58.5±1.4 ly) GJ 2037 (58.6±1.0 ly) GJ 3317 (58.7±0.8 ly) Gliese 18 (58.7±1.2 ly) GJ 1240 (58.8±1.0 ly) HD 40887 (58.9±1.9 ly) 2 stars Gliese 830 (58.9±1.5 ly) HD 87883 (58.9±1.0 ly) planet b HD 154088 (59.0±0.9 ly) planet b 14 Herculis (59.2±0.6 ly) 2 planets: b c GJ 4008 (59.3±0.9 ly) HIP 38939 (59.4±1.3 ly) GJ 1106 (59.7+5.1 −4.4 ly) GJ 1120 (59.8+3.7 −3.3 ly) star GJ 3488 (59.8±1.4 ly) LQ Hydrae (59.8±1.1 ly) Gliese 131 (59.9±1.5 ly)

M-type (red dwarfs)	Gliese 913 (56.6±2.9 ly) Gliese 397.1 (57.0±1.4 ly) star

Brown dwarfs

L-type	DENIS-P J1058.7-1548 (56.5±1.0 ly) VVV BD001 (57.2+4.3 −3.8 ly) WISE 0206+2640 (~58.4 ly)

T-type	WISE 0366-0143 (~55.4 ly) WISE 1225-1013 (~55.4 ly) WISE 1612-3420 (~55.4 ly) WISE 1852+3537 (~55.4 ly) WISE 0245-3450 (~56.1 ly) WISE 1320+6034 (~56.1 ly) WISE 1019+6529 (~56.8 ly) WISE 0247+3725 (~57.1 ly) WISE 0528-3308 (~57.4 ly) WISE 0138-0322 (~57.7 ly) WISE 0611-0410 (~57.7 ly) WISE 1122+2550 (~57.7 ly) WISE 2213+0911 (~58.7 ly) WISE 2239+1617 (~59.7 ly) WISE 1436-1814 (~60.0 ly)

Italic are systems without known trigonometric parallax.

Stars of Ophiuchus

Bayer	α (Rasalhague) β (Cebalrai) γ δ (Yed Prior) ε (Yed Posterior) ζ (Han) η (Sabik) θ ι κ λ (Marfik) μ ν ξ ο ρ σ τ υ φ χ ψ ω

Flamsteed	12 14 15 16 18 19 20 21 22 23 24 26 28 29 30 31 36 37 38 41 43 44 45 50 51 52 53 54 56 58 61 66 67 68 70 71 72 73 74 66 Her 2 Sgr 24 Sco 28 Sco 29 Sco 32 Sco 33 Sco

Variable	U V X Y RS RV RZ ST SW TT TW UU WZ XX BF IX KK V380 V426 V438 V442 V445 V451 V453 V502 V508 V566 V567 V716 V839 V841 V849 V986 V1010 V1054 V2051 V2052 V2076 V2105 V2112 V2113 V2114 V2118 V2126 V2129 V2213 V2214 V2247 V2291 V2292 V2301 V2307 V2324 V2368 V2388 V2393 V2400 V2487 V2502 V2540 V2542

HR	5989 5990 6041 6067 6096 6124 6136 6137 6140 6144 6179 6189 6190 6193 6201 6202 6235 6248 6269 6284 6294 6296 6302 6308 6329 6340 6353 6354 6358 6359 6361 6365 6367 6372 6375 6387 6390 6404 6413 6428 6435 6439 6441 6465 6472 6473 6476 6489 6490 6494 6497 6504 6507 6512 6516 6520 6521 6524 6532 6534 6575 6577 6578 6590 6593 6601 6633 6639 6650 6659 6667 6670 6686 6689 6690 6696 6706 6719 6784 6797 6800 6851 6857 6883 6902 6925 6976 6985 6987 7010

HD	147888 147889 148390 148427 148531 149143 149382 149414 150052 150381 150433 150493 152581 154088 157172 160346 164509 167162 170469 171028

Gliese	Gliese 673 GJ 1207

Other	AS 239 Barnard's Star BD -9 4395 COROT-6 DoAr 21 Elias 29 GRO J1719-24 GRS 1739-278 GSS 30 GX 1+4 GX 9+9 H 1705-250 Hen 3-1341 IRAS 16293-2422 KS 1731-260 LS IV -1 2 2MASS J16452211-1319516 MXB 1659-29 Nova Ophiuchi 1993 Oph 162225-240515 Oph S1 PG 1627-017 PSR B1642-03 PSR B1702-19 PSR B1706-16 PSR B1737+13 PSR B1929+10 PSR J1713+0447 PSR J1744-1134 RNO 91 SDSS 1624+0029 SLX 1735-269 SR 21 Swift J1753.5-0127 Swift J1822.3-1606 Van Biesbroeck 8 VLA 1623 VVV BD001 WISE 1800+0134 WL 16 Wolf 635 Wolf 1061 XTE J1739-285 YLW 15 YLW 16A

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