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Running No.: 2252   CNS designation: GJ 1257 ( = Wo 9704 )   HD: 196998    HIP: 102119   CD: -22° 14919    YPC: 4929.10   LHS: 3572   

RA (2000):  20 41 42   Dec (2000):  -22 19.3  
RA (1950):  20 38 45   Dec (1950):  -22 29.6  
RA (1900):  20 35 47   Dec (1900):  -22 39.7  

µ(RA):  .664 "/yr   µ(Dec):  -.548 "/yr     Total Proper Motion:   0.861 "/yr  129.5°  

V :  9.75    B-V:  1.13    U-B:  .87    V-Rc:  .74    R-Ic:  .71    Spectral Type:  K5 V   

Trig. Par.:  47.6 ± 8.1  mas   Obs.  (good accord.)    Res. Par. (Trig. Par.):  47.6  ± 8.1  mas     Distance:  21.01  ± 3.57 pc  

MV :  8.14    M Qual.: d     RV: - 60.  km/s   RV Qual.: c   

Space Velocity:     U:  -075  km/s    V:  -065  km/s    W:  -034 km/s

Additional Designations: LTT 8180 Wo 9704  



HIPPARCOS DATA

 Hipp P__HIP_H2___RA____J2000__Dec________V___v_S10__piH______pma_____pmd____

      N102119| |20 41 42.25|-22 19 20.5| 9.83|2|H |  43.42|  659.22| -535.65|


__sRA___sDec___spi____spma___spmd___-%__F2____Bt_____sig___Vt_____sig__

  1.48|  0.89|  1.48|  1.85|  1.50|  2| 0.29|11.448|0.128|10.034|0.058|


36__B-V___sig__s_V-I__sig__s_43__Hp_____sig____Hmax__Hmin_period 52.3.4_

 | 1.121|0.009|G|1.48|0.02|A| | 9.9393|0.0049| 9.87| 9.99|       |U| | |


___CCDM___56.7_58_59.0.1_62_pa____sep____sig__d(Hp)_sig__S_C_N_

          | |  | 1| | | |  |   |       |     |     |    | | | |


    U      V      W      sU    sV    sW 

  -77.5  -68.8  -38.2    3.0   2.1   3.2




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Updated: 8 September 1998

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