Running No.: 2253  
CNS designation: GJ 1258 ( = Wo 9705 )
HIP: 102237
YPC: 4942.00
LHS: 3574
RA (2000): 20 43 00
Dec (2000): +35 29.9
RA (1950): 20 41 03
Dec (1950): +35 19.5
RA (1900): 20 39 06
Dec (1900): +35 09.2
µ(RA): -.225 "/yr µ(Dec): -.575 "/yr
Total Proper Motion: 0.618 "/yr 201.4°
V : 11.40
B-V: 1.38
U-B: +1.35
V-Rc: .86
R-Ic: .83
Spectral Type: K7
Trig. Par.: 38.7 ± 9.7 mas 2 Obs. (good accord.)
Res. Par. (SpT/UBVRI) : 27.1 ± 6.7 mas
Distance: 36.90 ± 9.12 pc
MV : 8.6
M Qual.: e
RV: + 42. km/s
RV Qual.: d
Space Velocity:
U: +110 km/s
V: +015 km/s
W: -034 km/s
Additional Designations: Ross 766
Hipp P__HIP_H2___RA____J2000__Dec________V___v_S10__piH______pma_____pmd____ N102237| |20 42 59.96|+35 29 48.3|11.41| |G | 21.86| -205.31| -569.55| __sRA___sDec___spi____spma___spmd___-%__F2____Bt_____sig___Vt_____sig__ 1.49| 1.62| 2.18| 1.97| 1.94| 0| 1.27| | | | | 36__B-V___sig__s_V-I__sig__s_43__Hp_____sig____Hmax__Hmin_period 52.3.4_ | 1.381|0.015|G|1.63|0.03|I| |11.5221|0.0051|11.42|11.60| | | | | ___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 129.8 10.0 -45.2 12.1 7.8 4.2
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Updated: 8 September 1998
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