Running No.: 1755  
CNS designation: Gl 831 A
HIP: 106255
YPC: 5184.00
LHS: 511
RA (2000): 21 31 19
Dec (2000): -09 47.4
RA (1950): 21 28 34
Dec (1950): -10 00.6
RA (1900): 21 25 49
Dec (1900): -10 13.7
µ(RA): 1.197 "/yr µ(Dec): -.059 "/yr
Total Proper Motion: 1.198 "/yr 92.8°
V : 12.06 c
B-V: 1.69 J
U-B: 1.20 J
V-Rc: 1.31 J
R-Ic: 1.67 J
Spectral Type: M4.5 V J
Trig. Par.: 125.8 ± 2.3 mas 6 Obs. (good accord.)
Res. Par. (Trig. Par.): 125.8 ± 2.3 mas
Distance: 7.95 ± .15 pc
MV : 12.56 c
M Qual.: a
RV: - 56.6 km/s
RV Qual.: a
Space Velocity:
U: -064 km/s
V: -034 km/s
W: +005 km/s
Additional Designations: Wolf 922
Notes: V(AB) = 11.98 d(m) = 2.83: (AJ 93,1245)
Other ARICNS component(s): Gl 831 B
Hipp P__HIP_H2___RA____J2000__Dec________V___v_S10__piH______pma_____pmd____ N106255c |21 31 18.60|- 9 47 26.4|11.96| |G | 137.72| 1144.55| -57.98| __sRA___sDec___spi____spma___spmd___-%__F2____Bt_____sig___Vt_____sig__ 4.24| 2.73| 4.57| 6.51| 3.18| 14| 2.84| | | | | 36__B-V___sig__s_V-I__sig__s_43__Hp_____sig____Hmax__Hmin_period 52.3.4_ | 1.703|0.046|G|2.99|0.00|A| |11.9473|0.0112|11.81|12.04| | | | | ___CCDM___56.7_58_59.0.1_62_pa____sep____sig__d(Hp)_sig__S_C_N_ | | | 1|X| | | | | | | | | |G|D| U V W sU sV sW -59.3 -34.0 9.4 1.0 .4 1.0
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Updated: 05 November 1998
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