Running No.: 912  
CNS designation: Gl 447
HIP: 57548
YPC: 2730.00
Vys: 286
LHS: 315
RA (2000): 11 47 45
Dec (2000): +00 48.3
RA (1950): 11 45 09
Dec (1950): +01 06.0
RA (1900): 11 42 33
Dec (1900): +01 23.7
µ(RA): .633 "/yr µ(Dec): -1.190 "/yr
Total Proper Motion: 1.348 "/yr 152.0°
V : 11.12
B-V: 1.76
U-B: 1.34
V-Rc: 1.31
R-Ic: 1.67
Spectral Type: M4 V
Trig. Par.: 298.2 ± 1.7 mas 6 Obs. (good accord.)
Res. Par. (Trig. Par.): 298.2 ± 1.7 mas
Distance: 3.35 ± .02 pc
MV : 13.49
M Qual.: a
RV: - 31.3 km/s
RV Qual.: a
Space Velocity:
U: +018 km/s
V: +006 km/s
W: -033 km/s
Additional Designations: Ross 128 FI Vir
Hipp P__HIP_H2___RA____J2000__Dec________V___v_S10__piH______pma_____pmd____ N 57548| |11 47 44.40|+ 0 48 16.4|11.12| |G | 299.58| 605.72|-1219.43| __sRA___sDec___spi____spma___spmd___-%__F2____Bt_____sig___Vt_____sig__ 1.98| 1.62| 2.20| 2.14| 1.86| 0|-0.25| | | | | 36__B-V___sig__s_V-I__sig__s_43__Hp_____sig____Hmax__Hmin_period 52.3.4_ | 1.746|0.020|G|2.97|0.01|A| |11.0693|0.0050|10.99|11.12| |C| | | ___CCDM___56.7_58_59.0.1_62_pa____sep____sig__d(Hp)_sig__S_C_N_ | | | 1| | | | | | | | | | |G| | U V W sU sV sW 17.3 5.4 -33.4 .1 .4 .6
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