ARICNS ARI Data Base for Nearby Stars

Running No.: 1368   CNS designation: Gl 657    HD: 155203    HIP:  84143   CD: -43° 11485    YPC: 3896.00  

RA (2000):  17 12 09   Dec (2000):  -43 14.3  
RA (1950):  17 08 34   Dec (1950):  -43 10.5  
RA (1900):  17 04 59   Dec (1900):  -43 06.4  

µ(RA):  .023 "/yr   µ(Dec):  -.287 "/yr     Total Proper Motion:   0.288 "/yr  175.4°  

V :  3.32    B-V:  .39    U-B:  .09    V-R_c:  0.24    R-I_c:  0.23    Spectral Type:  F2 V   

Trig. Par.:  59.5 ± 11.0  mas   2  Obs.  (good accord.)    Res. Par. (uvby-phot.):  47.4  ± 7.6  mas     Distance:  21.10  ± 3.38 pc  

M_V :  1.70    M Qual.: d     RV: - 27.  km/s   RV Qual.: b   

Space Velocity:     U:  -033  km/s    V:  -013  km/s    W:  -018 km/s

Additional Designations: ETA Sco  

 Hipp P__HIP_H2___RA____J2000__Dec________V___v_S10__piH______pma_____pmd____

      N 84143| |17 12  9.19|-43 14 21.1| 3.32| |G |  45.56|   22.01| -287.42|


__sRA___sDec___spi____spma___spmd___-%__F2____Bt_____sig___Vt_____sig__

  0.71|  0.45|  0.79|  0.77|  0.49|  0| 0.43| 3.821|0.003| 3.368|0.003|


36__B-V___sig__s_V-I__sig__s_43__Hp_____sig____Hmax__Hmin_period 52.3.4_

 | 0.441|0.003|T|0.47|0.02|A| | 3.4149|0.0004| 3.41| 3.42|       |C| | |


___CCDM___56.7_58_59.0.1_62_pa____sep____sig__d(Hp)_sig__S_C_N_

          | |  | 1| | | |  |   |       |     |     |    |S| | |


    U      V      W      sU    sV    sW 

  -33.0  -14.7  -18.0    1.7    .6    .4

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Updated: 4 March 1998