Running No.: 1631  
CNS designation: Gl 781
HIP: 98906
YPC: 4775.00
LHS: 482
RA (2000): 20 05 02
Dec (2000): +54 26.1
RA (1950): 20 03 55
Dec (1950): +54 18.2
RA (1900): 20 02 48
Dec (1900): +54 10.4
µ(RA): -1.157 "/yr µ(Dec): -.882 "/yr
Total Proper Motion: 1.455 "/yr 232.7°
V : 11.99
B-V: 1.58
V-Rc: .97
R-Ic: 1.04
Spectral Type: M0
Trig. Par.: 60.7 ± 2.2 mas 6 Obs. (good accord.)
Res. Par. (Trig. Par.): 60.7 ± 2.2 mas
Distance: 16.47 ± .60 pc
MV : 10.91
M Qual.: a
RV: -140.3 km/s
RV Qual.: e
Remark: SB
Space Velocity:
U: +102 km/s
V: -149 km/s
W: +012 km/s
Additional Designations: AC+55 50103 V1531 Cyg
Notes: sdM1.5 Gizis AJ113,806-97; RV range -149 +79 (10)
Hipp P__HIP_H2___RA____J2000__Dec________V___v_S10__piH______pma_____pmd____ N 98906| |20 5 2.19|+54 26 3.3|11.98| |G | 63.23|-1165.56| -900.24| __sRA___sDec___spi____spma___spmd___-%__F2____Bt_____sig___Vt_____sig__ 5.79| 5.72| 6.44| 8.06| 6.18| 0| | | | | | 36__B-V___sig__s_V-I__sig__s_43__Hp_____sig____Hmax__Hmin_period 52.3.4_ | 1.524|0.006|G|2.25|0.04|I| |11.9703|0.0074|11.85|12.08| |D| | | ___CCDM___56.7_58_59.0.1_62_pa____sep____sig__d(Hp)_sig__S_C_N_ | | | 1|X| |S| | | | | | | |D| | U V W sU sV sW 99.8 -147.7 10.5 10.5 17.6 5.5
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Updated: 4 March 1998
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