Running No.: 57  
CNS designation: Gl 31.1A ( = Wo 9023A )
HD: 4150
HIP: 3405
CP: -58° 42
YPC: 137.00
RA (2000): 00 43 21
Dec (2000): -57 27.8
RA (1950): 00 41 07
Dec (1950): -57 44.2
RA (1900): 00 38 52
Dec (1900): -58 00.7
µ(RA): -.004 "/yr µ(Dec): .017 "/yr
Total Proper Motion: 0.017 "/yr 347.2°
V : 4.36
B-V: -.01
U-B: -.01
V-Rc: 0.01 J
R-Ic: -0.00 J
Spectral Type: A0 V
Trig. Par.: 31.0 ± 10.1 mas 2 Obs. (fair accord.)
Res. Par. (uvby-phot.): 18.4 ± 3.0 mas
Distance: 54.35 ± 8.86 pc
MV : .68
M Qual.: d
RV: + 2. km/s
RV Qual.: c
Remark: RV var(?)
Space Velocity:
U: -001 km/s
V: +003 km/s
W: -004 km/s
Additional Designations: ETA Phe
Other ARICNS component(s): Gl 31.1B
Hipp P__HIP_H2___RA____J2000__Dec________V___v_S10__piH______pma_____pmd____ N 3405| | 0 43 21.24|-57 27 47.0| 4.36| |H | 13.57| -5.16| 15.50| __sRA___sDec___spi____spma___spmd___-%__F2____Bt_____sig___Vt_____sig__ 0.41| 0.42| 0.57| 0.54| 0.47| 0| 1.39| 4.361|0.002| 4.365|0.002| 36__B-V___sig__s_V-I__sig__s_43__Hp_____sig____Hmax__Hmin_period 52.3.4_ | 0.024|0.015|G|0.02|0.02|A| | 4.3700|0.0005| 4.36| 4.38| |C| | | ___CCDM___56.7_58_59.0.1_62_pa____sep____sig__d(Hp)_sig__S_C_N_ 00434-5728|I| 1| 1|G| | | | | | | | |S| | | U V W sU sV sW -.4 4.1 -4.4 1.1 1.6 3.2
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Updated: 05 November 1998
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