Running No.: 1396  
CNS designation: Gl 670 A
HD: 156897
HIP: 84893
BD: -20° 4731
YPC: 3935.00
RA (2000): 17 21 00
Dec (2000): -21 06.8
RA (1950): 17 18 00
Dec (1950): -21 03.7
RA (1900): 17 15 00
Dec (1900): -21 00.4
µ(RA): .249 "/yr µ(Dec): -.220 "/yr
Total Proper Motion: 0.332 "/yr 131.4°
V : 4.40 c
B-V: .38 J
U-B: -.05 J
V-Rc: 0.24 J
R-Ic: 0.24 J
Spectral Type: F2 V
Trig. Par.: 59.5 ± 9.7 mas 2 Obs. (good accord.)
Res. Par. (uvby-phot.): 55.7 ± 9.0 mas
Distance: 17.95 ± 2.90 pc
MV : 3.13 c
M Qual.: d
RV: - 7.8 km/s
RV Qual.: a
Space Velocity:
U: -003 km/s
V: -004 km/s
W: -029 km/s
Additional Designations: XI Oph
Notes: V(AB) = 4.39 d(m) = 4.5
Other ARICNS component(s): Gl 670 B
Hipp P__HIP_H2___RA____J2000__Dec________V___v_S10__piH______pma_____pmd____ N 84893| |17 21 0.37|-21 6 46.6| 4.39| |G | 57.48| 262.01| -204.74| __sRA___sDec___spi____spma___spmd___-%__F2____Bt_____sig___Vt_____sig__ 0.92| 0.70| 0.93| 1.17| 0.77| 0| 1.59| | | | | 36__B-V___sig__s_V-I__sig__s_43__Hp_____sig____Hmax__Hmin_period 52.3.4_ | 0.394|0.019|G|0.47|0.02|A| | 4.4704|0.0007| 4.47| 4.48| | | | | ___CCDM___56.7_58_59.0.1_62_pa____sep____sig__d(Hp)_sig__S_C_N_ 17210-2107|I| 1| 1| | | | | | | | | |S| | | U V W sU sV sW -3.6 -2.3 -28.2 .7 .1 .5
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Updated: 05 November 1998
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