Running No.: 2247  
CNS designation: GJ 1255 - ( = Wo 9710 )
HD: 199476
HIP: 102970
BD: +74° 889
YPC: 5020.00
LHS: 3592
RA (2000): 20 51 44
Dec (2000): +74 46.8
RA (1950): 20 52 04
Dec (1950): +74 34.9
RA (1900): 20 52 21
Dec (1900): +74 23.0
µ(RA): .405 "/yr µ(Dec): .577 "/yr
Total Proper Motion: 0.705 "/yr 35.1°
V : 7.81
B-V: .69
U-B: .15
V-Rc: .39
R-Ic: .36
Spectral Type: G8 V
Trig. Par.: 44.7 ± 8.6 mas 3 Obs. (good accord.)
Res. Par. (Trig. Par.): 44.7 ± 8.6 mas
Distance: 22.37 ± 4.30 pc
MV : 6.06
M Qual.: d
RV: - 30.8 km/s
RV Qual.: a
Space Velocity:
U: -061 km/s
V: -052 km/s
W: -008 km/s
Other ARICNS component(s): GJ 1255 A and GJ 1255 B and GJ 1255 C
Hipp P__HIP_H2___RA____J2000__Dec________V___v_S10__piH______pma_____pmd____ N102970| |20 51 44.95|+74 46 49.2| 7.81| |H | 33.80| 402.88| 575.67| __sRA___sDec___spi____spma___spmd___-%__F2____Bt_____sig___Vt_____sig__ 0.62| 0.61| 0.68| 0.68| 0.61| 1| 0.09| 8.683|0.011| 7.890|0.009| 36__B-V___sig__s_V-I__sig__s_43__Hp_____sig____Hmax__Hmin_period 52.3.4_ | 0.685|0.011|G|0.74|0.01|H| | 7.9490|0.0012| 7.93| 7.97| | | | | ___CCDM___56.7_58_59.0.1_62_pa____sep____sig__d(Hp)_sig__S_C_N_ | | | 1| | | | | | | | | | | | | U V W sU sV sW -83.3 -60.5 -8.1 1.9 .9 .3
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Updated: 05 November 1998
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