Running No.: 1415  
CNS designation: Gl 681 AB
HD: 159561
HIP: 86032
BD: +12° 3252
YPC: 4000.00
RA (2000): 17 34 56
Dec (2000): +12 33.6
RA (1950): 17 32 37
Dec (1950): +12 35.7
RA (1900): 17 30 18
Dec (1900): +12 38.0
µ(RA): .118 "/yr µ(Dec): -.228 "/yr
Total Proper Motion: 0.257 "/yr 152.6°
V : 2.09 c
B-V: .15 J
U-B: .11 J
Spectral Type: A5 III
Trig. Par.: 63.8 ± 4.4 mas 6 Obs. (good accord.)
Res. Par. (Trig. Par.): 63.8 ± 4.4 mas
Distance: 15.67 ± 1.08 pc
MV : 1.11 c
M Qual.: b
RV: + 12.6 km/s
RV Qual.: b
Remark: SB
Space Velocity:
U: +021 km/s
V: +001 km/s
W: -009 km/s
Additional Designations: ALF Oph
Notes: astr. bin.: a 0.483" P 8.517yr d(L') = 3.5 : Kamper ea. AJ98,686
Hipp P__HIP_H2___RA____J2000__Dec________V___v_S10__piH______pma_____pmd____ N 86032| |17 34 56.07|+12 33 36.1| 2.08| |G | 69.84| 110.08| -222.61| __sRA___sDec___spi____spma___spmd___-%__F2____Bt_____sig___Vt_____sig__ 0.76| 0.70| 0.88| 1.02| 0.89| 0| 1.17| 2.315|0.003| 2.106|0.003| 36__B-V___sig__s_V-I__sig__s_43__Hp_____sig____Hmax__Hmin_period 52.3.4_ | 0.155|0.003|G|0.17|0.03|C| | 2.1262|0.0005| 2.12| 2.14| | | | | ___CCDM___56.7_58_59.0.1_62_pa____sep____sig__d(Hp)_sig__S_C_N_ 17349+1234|I| 1| 1|G| | | | | | | | |S| |D| U V W sU sV sW 19.7 1.2 -7.4 1.3 1.0 .7
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Updated: 4 March 1998
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